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HomeMy WebLinkAboutPermit PL17-0056 - PUMP STATION NUMBER 8 - SEPA / CHECKLISTPUMP STATION NUMBER 8 5379800009 Associated Files: PL17-0056, 117-0065, 117-0066 This File: E17-0013 SEPA/CH ECKLIST City of Tukwila Department of Community Development - Jack Pace, Director DETERMINATION OF NON -SIGNIFICANCE (DNS) Attan Ekberg, Mayor File Numbers: E17-0013 (SEPA); L17-0065 (Unclassified Use Permit); L17-0066 (Public Hearing Design Review); PL17-0056 (Land Use Project File) Applied: October 9, 2017 Issue Date: December 21, 2017 Applicant: Jeremy DelMar, Highline Water District Lead Agency: City of Tukwila Description of Proposal: Construct a new, approximately 2,600 square foot pump station for Highline Water District, including associated pump, electrical, and control equipment. Approximately 1,350 linear feet of water main will be installed within the right-of-way of 42nd Ave. S. and through a private easement to connect to Military Rd. S. Address: 16032 42nd Ave S, Tukwila, WA Parcel Number: 5379800009 This notice is to confirm the decision reached by Tukwila's SEPA Official to issue a Determination of Non -significance (DNS) for the above project based on the environmental checklist and the underlying permit application. The City has determined that the proposal does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21c.030(2) (c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request. Project materials including the application, any staff reports, and other studies related to the permits are available Monday through Friday 8:30 a.m. - 5:00 p.m. for inspection at Tukwila Department of Community Development 6300 Southcenter Blvd., Suite 100, Tukwila, WA 98188. The project planner is Jaimie Reavis, who may be contacted at (206) 431-3659 for further information. This DNS is issued under WAC 197-11-340(2). Comments must be submitted by January 4, 2018. The lead agency will not act on this proposal for 14 days from the date below. Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov Highline Water District Pump Station #8 December 21, 2017 Page 2 Jack Pace, Responsible Official City of Tukwila 6300 Southcenter Blvd. Tukwila, WA 98188 (206) 431-3670 Date The decision is appealable to the Superior Court pursuant to the Judicial Review of Land Use Decisions, Revised Code of Washington (RCW 36.70C). Any appeal shall be linked to a specific governmental action. The State Environmental Policy Act is not intended to create a cause of action unrelated to a specific governmental action. Appeals of environmental determinations shall be commenced within the time period to appeal the governmental action that is subject to environmental review. (RCW 43.21C.075) Cc: Jeremy DelMar, Highline Water District Kenneth Metcalf, BP Pipelines Inc. State Department of Ecology, SEPA Division King County Assessor Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director FINAL STAFF EVALUATION FOR ENVIRONMENTAL CHECKLIST File No: E17-0013 I. SUMMARY OF PROPOSED ACTION The current proposal is to construct a new pump station for Highline Water District, including associated pump, electrical, and control equipment. Approximately 1,350 linear feet of water main will be installed within the right-of-way of 42"d Ave. S. and through a private easement to connect to Military Rd. S. II. GENERAL INFORMATION Project Name: Highline Water District Pump Station #8 Applicant: Jeremy DelMar, Highline Water District Location: 16032 42"d Ave S, Tukwila, WA (parcel #5379800009) Zoning: Low Density Residential (LDR) Comprehensive Plan Designation: LDR The following information was considered as part of review of this application. 1. ESA Screening Checklist and SEPA Checklist dated September 26, 2017. 2. Existing Site Plan, Pump Station 8 Site Plan, and Mechanical Plan dated Sept. 26, 2017, prepared by RH2 Engineering, Inc. 3. Landscape Schematic Design — Pump Station 8 Site Plan received on Oct. 9, 2017, prepared by Lauchlin R. Bethune Associates., Inc. 4. Architectural Elevations dated Oct. 6, 2017, prepared by Page & Beard Architects P.S. 5. Technical Information Report dated Oct. 5, 2017, prepared by RH2 Engineering, Inc. 6. Pump Station No. 8 Engineering Geology Evaluation dated Sept. 28, 2017, prepared by RH2 Engineering, Inc. NOTE: Technical reports and attachments referenced above may not be attached to all copies of this decision. Copies of exhibits, reports, attachments, or other documents may be reviewed and/or obtained by contacting Jaimie Reavis, Senior Planner, at Jaimie.Reavis@TukwilaWA.gov, (206) 431-3659 or at 6300 Southcenter Boulevard, Suite 100, Tukwila, Washington, 98188. Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov Highline Water District Pump Station #8 December 20, 2017 Page 2 III. BACKGROUND/PROPOSAL Highline Water District is proposing to construct a new pump station structure and associated improvements at 16032 42"d Ave S in Tukwila's McMicken Heights neighborhood. The project is named Pump Station #8 and was identified in Highline Water District's 2016 Water System Plan as a redundant pump station to Pump Station #6. Pump Station #6 serves water coming from Highline Water District's largest reservoir, the Crestview Reservoir. The addition of Pump Station #8 to the Highline Water District will allow the Crestview Reservoir to continue to provide water to customers in the 560 Pressure Zone, and all other connected zones, if Pump Station #6 becomes inoperable. Pump Station #8 is proposed to be a two-story structure with a building footprint of 1,300 square feet. The first level is proposed to be located underground, containing the pump room. The upper level, proposed to be at -grade, will house electrical and control equipment. The project also includes installation of a flow meter vault, construction of an approximately 350 square -foot concrete pad for an electrical generator, installation of the electrical generator at the rear side of the property behind the pump station, paved access driveway, site landscaping, and utility piping. Additionally, approximately 1,350 linear feet of 24-inch water main is proposed to be installed within the right-of-way of 42"d Ave S. and through a private easement to connect to Military Rd. S. IV. REVIEW OF THE ENVIRONMENTAL CHECKLIST The following lists the elements contained within the Environmental Checklist submitted for the proposed project. The numbers in the staff evaluation correspond to the numbers in the Environmental Checklist. If staff concurs with the applicant's response, this is so stated. If the response to an item in the checklist is found to be inadequate or clarification is needed, there is additional staff comment and evaluation. A. I3ACKGROUND: 1-4—Concur with checklist. 5—The construction will follow issuance of SEPA determination and after obtaining all required permits from the City of Tukwila or other agencies. 6-12—Concur with checklist. B. ENVIRONMENTAL ELEMENTS: 1. Earth: a—h—Concur with checklist. 2. Air: a-c—Concur with checklist. 3. Water: a (1)— (6)—Concur with checklist. b (1) and (2)—Concur with checklist. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump Station #8 December 20, 2017 Page 3 c (1)— (2) The project shall meet the requirements of the King County Surface Water Design Manual as adopted by the City of Tukwila. All impacts associated with runoff will be mitigated as part of the construction permit. d—Concur with checklist. 4. Plants: a—e—Concur with checklist. 5. Animals: a-e—Concur with checklist. 6. Energy and Natural Resources: a-c—Concur with checklist. 7. Environmental Health: a —Concur with checklist. a (1) -(5)—Concur with checklist. b (1)—Concur with checklist. b (2) --(3)—The project shall be subject to the City's noise ordinance and any construction related noise shall be subject the city's noise ordinance. Compliance with applicable local, state and federal noise regulations will mitigate any potential adverse noise impacts, associated with the project. 8. Land and Shoreline Use: a-h—Concur with checklist. i—Concur with checklist. No one will reside in the completed project, and there will be no permanent workers on site. j-m— Concur with checklist. 9. Housing: a-c—Concur with checklist. 10. Aesthetics: a-b—Concur with checklist. c- Concur with checklist. As an unclassified use in the LDR zoning district, this project is subject to design review. Conformance with unclassified use permit criteria and design review criteria require the project to meet or exceed the development regulations within the LDR zoning district. The project is proposed to look like a single-family residential structure, and includes landscaped yards to provide screening and improve the visual appearance of the project. 11. Light and Glare: a-d—Concur with checklist. 12. Recreation: a—c—Concur with checklist. 13. Historic and Cultural Preservation: Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump Station #8 December 20, 2017 Page 4 a-c—Concur with checklist. d—Applicant will comply with all local, state, and federal laws in the case that archaeological or paleontological artifacts are encountered. 1.4. Transportation: a-g—Concur with checklist. h- Work to install the utility pipe within 42nd Ave S may require traffic control. Applicant shall obtain a traffic control permit as required by the City of SeaTac or the City of Tukwila to address traffic impacts during construction. 1.5. Public Services: a-b—Concur with checklist. 1.6. Utilities: a-b—Concur with checklist. Power service at the site will be provided by Puget Sound Energy. IV. PUBLIC COMMENTS Notice was sent to property owners and tenants within 500' of the site and agencies with jurisdiction on November 15, 2017. One comment was received from Kenneth Metcalf of BP Pipelines Inc., who sent an email with a "No Conflict Letter" attached, dated November 30, 2017 and signed by Tim Fehr, 3rd Part Contract Right of Way Supervisor representing the Olympic Pipe Line Company LLC. The letter and mapping show there are no active pipelines owned or operated by BP Pipelines within the scope of the project. VI. CONCLUSION The proposal can be found to not have a probable significant adverse impact on the environment and pursuant to WAC 197-11-340, a Determination of Nonsignificance (DNS) is issued for this project. This DNS is based on impacts identified within the environmental checklist, attachments, and the above "Final Staff Evaluation for Application No. E17-0013", and is supported by plans, policies, and regulations formally adopted by city of Tukwila for the exercise of substantive authority under SEPA to approve, condition, or deny proposed actions. Prepared by: Jaimie Reavis, Senior Planner Date: December 20, 2017 Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov 9/14/2018 Re: HWD PS 8 Status - Jaimie Reavis Re: HWD PS 8 Status Jaimie Reavis Wed 1/10/2018 12:40 PM To:Alicia Pettibone <apettibone@rh2.com>; (vJ 2 attachments (337 KB) DNS_E17-0013_HighlinePumpStation8.pdf; SR_E17-0013_HighlinePumpStation8 SEPA.pdf; Hi Alicia, Attached is the SEPA Determination of Non -Significance and the staff report. I'll keep you posted on the project as I finish my review of the project and we coordinate on a date for the City Council meeting. Thank you, Jaimie Jaimie Reavis Senior Planner' City of Tukwila 6300 Southcenter Blvd, Suite 100ITukwila, WA 98188 ph: (206) 431-3659 Jaimie.Reavis@TukwilaWA.gov I www.tukwilawa.gov The City of opportunity, the community of choice. From: Alicia Pettibone <apettibone@rh2.com> Sent: Wednesday, January 10, 2018 11:13:47 AM To: Jaimie Reavis Subject: RE: HWD PS 8 Status Oh good. I'm just glad I didn't somehow totally miss that! Will you forward the SEPA and Determination files for my file when you get a chance? Keep me posted on the other components if you wouldn't mind. Thanks much, Alicia From: Jaimie Reavis [mailto:Jaimie.Reavis@TukwilaWA.gov] Sent: Wednesday, January 10, 2018 11:11 AM To: Alicia Pettibone <apettibone@rh2.com> Subject: Re: HWD PS 8 Status Hi Alicia, https://outlook.office365.com/owa/?viewmodel=ReadMessageltem&Item) D=AAMIcADcwOTdiODIILTVIMjEtNDQwMi04MjJmLWUSYzBkNjVhZDIOYwBG... 1/2 9/14/2018 Re: HWD PS 8 Status - Jaimie Re --is Thank you for checking in. The SE. has been issued, but I haven't finisheu .,iy staff reports and scheduled a City Council hearing yet. I'II be coordinating soon to get that set up. Jaimie Jaimie Reavis Senior Planner !City of Tukwila 6300 Southcenter Blvd, Suite 100ITukwila, WA 98188 ph: (206) 431-3659 Jaimie.Reavis@TukwilaWA.gov www.tukwilawa.gov The City of opportunity, the community of choice. From: Alicia Pettibone <apettibone@rh2.com> Sent: Tuesday, January 9, 2018 2:22:35 PM To: Jaimie Reavis Subject: HWD PS 8 Status Hi Jaimie, I have to confess that this project fell off my plate a little after the scheduling for the hearing. I'm wondering if you can provide an update? Do we have an issued permit yet? Thanks much, Alicia Pettibone I RH2 Engineering Environmental and Wetland Scientist 22722 29th Drive SE, Ste 210 Bothell, WA 98021 P: 425.951.5436 1 P: 800.720.8052 C: 425.466.6727 apettibone(a)rh2.com www.rh2.com https://outlook.office365.com/owa/?viewmodel=ReadMessageltem&Item) D=AAMkAIDcwOTdiODIILTVIMjEtNDQwMi04MjJmLW USYzBkNjVhZDIOYwBG... 2/2 J��IILA {y4 �yZ City of Tukwila Department of Community Development - Jack Pace, Director Affidavit of Distribution Project Name: HIGHLINE WATER DISTRICT PUMP NO 8 Project Number: E17-0013 Associated File Number (s): Date Mailed: 12/21/17 Mailing requested by: JAIMIE REAVIS Mailer's signature: Allan Ekberg, Mayor ❑ Board of Adjustment Agenda Packet ❑ Notice of Application for ❑ Board of Appeals Agenda Packet Shoreline Mgmt Permit ❑X Determination of Non -Significance — Notice of Decision ❑ Determination of Significance & Cl Notice of Public Hearing Scoping Notice ❑ Notice of Public Meeting ❑ Mitigated Determination of Non- ❑ Official Notice Significance ❑ Other: ❑ Notice of Action ❑ Shoreline Mgmt Permit ❑ Notice of Application ❑ Short Subdivision Agenda Parties of Record: SEE ATTACHED EMAIL From: Jaclyn Adams To: Jaimie Reavis Bcc: "idelmar(alhighlinewater.org'; "Kenneth.Metcalfna bo.com"; "Christie.Most(alkingcounty.gov"; Ana Le; "ECY RE SEPA REGISTER" Subject: E17-0013 HWD Pump Station No 8 Determination of Non-Signifcance Date: Thursday, December 21, 2017 3:05:00 PM Attachments: DNS E17-0013 HiahlinePumoStation8.odf SR E17-0013 HiahlinePumpStation8 SEPA.odf Dear Interested Parties, Please find attached a SEPA Determination of Non Significance and Staff Report for Highline Water District, Pump Station No 8 at 16032 42nd Ave S, Tukwila WA. If you have any questions regarding this project, please contact Planner Jaimie Reavis at Jaimie.ReavisPTukwilaWA.gov or by phone at 206-431-3659. Thank you, Jaclyn Adams Administrative Support Specialist' City of Tukwila 6300 Southcenter Bl, Suite 100 I Tukwila, WA 98188 T: 206-431-3670 I F: 206-431-3665 Jaclyn.Adams@ TukwilaWA.gov I Jattp://www.TukwilaWA.gov The city of opportunity, the community of choice City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director Affidavit of Distribution Project Name: PUMP STATION NO 8 Project Number: PL17-0056 Associated File Number (s):E17-0013, L17-0065, L17-0066 Date Mailed: 11/15/17 Mailing requested by: JAMIE 'AVIS Mailer's signature: ❑ Board of Adjustment Agenda Packet ❑ Notice of Application for ❑ Board of Appeals Agenda Packet Shoreline Mgmt Permit ❑ Determination of Non -Significance ❑ Notice of Decision ❑ Determination of Significance & ❑ Notice of Public Hearing Scoping Notice 0 Notice of Publiic Meeting ❑ Mitigated Determination of Non- ❑ Official Notice Significance ❑ Other: ❑ Notice of Action ❑ Shoreline Mgmt Permit Notice of Application ❑ Short Subdivision Agenda z Parties of Record: SEE ATTACHED LISTS From: )advn Adams To: )aimie Reavis Bcc: "moaaliardo(cascadewater.ora"; "vstevens-wajdaCalosrc.oty"• "Iunderwood-bultmannCatosrc.or9 "tukwilahistsodetyaatukwilahistory.ora"; "rcwieserecomcast.net"• "Christie.Most(alkinacountv.aov" Subject: Notice of Application - Pump Station No. 8 PL17-0056 Date: Wednesday, November 15, 2017 9:09:00 AM Attachments: PL17-0056 NOA POSTCARD.odf Dear Interested Parties: Please find attached a Notice of Application & Notice of Public Meeting for Highline Water District's Pump Station Number 8 Project at 16032 42nd Ave S, Tukwila WA. This project is a SEPA/Environmental review, Unclassified Use Permit and Design Review of a proposal to construct a new pump station and related improvements. Please contact project planner Jaimie Reavis with any comments or questions at Jaimie.ReavisPTukwilaWA.gov or by phone at 206-431-3659. Thank you. 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File #s: E17-0013, L17-0065, and L17-0066 Applicant: Jeremy DelMar Property Owner: Highline Water District Project Description: SEPA/Environmental Review, Unclassified Use Permit, and Design Review of a proposal to construct a new pump station and related improvements. Your written comments on the project are requested and can be sent by email to Jaimie.Reavis@TukwilaWa.gov or delivered to DCD, 6300 Southcenter Blvd, Ste 100, Tukwila WA 98188. Com- ments must be received by 5:00p.m. on December 6, 2017. You may request a copy of any decision, comment on the project, and learn your appeal rights by contacting the project planner listed above or by visiting our offices Monday through Friday, 8:00am to 5:00 pm at DCD 6300 Southcenter Blvd, Ste 100. A public information meeting will be held from 4:30-6:30 p.m. on Thursday, November 30th at Valley View Library (17850 Military Rd. S, SeaTac, WA 98188). Project plans and staff from Highline Water District and City of Tukwila will be there to answer questions about the project. City of Tukwila Notice Of Application and Public Meeting: Project # PL17-0056 Design Review, Unclassified Use Permit and SEPA Review for Highline Water District Pump Station #8 Project Planner: Jaimie Reavis, 206.431.3659, Jaimie.Reavis@TukwilaWa.gov Location: 16032 42nd Ave S; Parcel #5379800009 File #s: E17-0013, L17-0065, and L17-0066 Applicant: Jeremy DelMar Property Owner: Highline Water District Project Description: SEPA/Environmental Review, Unclassified Use Permit, and Design Review of a proposal to construct a new pump station and related improvements. Your written comments on the project are requested and can be sent by email to Jaimie.Reavis@TukwilaWa.gov or delivered to DCD, 6300 Southcenter Blvd, Ste 100, Tukwila WA 98188. Com- ments must be received by 5:00p.m. on December 6, 2017. You may request a copy of any decision, comment on the project, and learn your appeal rights by contacting the project planner listed above or by visiting our offices Monday through Friday, 8:00am to 5:00 pm at DCD 6300 Southcenter Blvd, Ste 100. A public information meeting will be held from 4 30-6:30 p.m. on Thursday, November 30th at Valley View Library (17850 Military Rd. S, SeaTac, WA 98188). Project plans and staff from Highline Water District and City of Tukwila will be there to answer questions about the project. City of Tukwila Department of Community Development 6300 Southcenter Blvd., Ste 100 Tukwila, WA. 98188 You are receiving this notice because you are a property owner or tenant within 500ft of this project City of Tukwila Department of Community Development 6300 Southcenter Blvd., Ste 100 Tukwila, WA. 98188 You are receiving this notice because you are a property owner or tenant within 500ft of this project City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director NOTICE OF COMPLETE APPLICATION November 1, 2017 Alicia Pettibone 22722 29th Drive SE, Suite 210 Bothell, WA 98021 Subject: Highline Water District Pump Station 8, 16032 42"d Ave S (parcel #5379800009) L17-0065 (Unclassified Use Permit); L17-0066 (Public Hearing Design Review); E17-0013 (SEPA) PL17-0056 (Land Use Project Parent File) Dear Alicia Pettibone, Your applications for an Unclassified Use Permit, Public Hearing Design Review, and SEPA/Environmental Review to construct a new 1,300 square -foot water pump station and related improvements is considered complete on November 1, 2017 for the purposes of meeting state -mandated time requirements. This determination of complete application does not preclude the ability of the City to require that you submit additional plans or information, if in our estimation such information is necessary to ensure the project meets the substantive requirements of the City or to complete the review process. This notice of complete application applies only to the permits identified above. It is your responsibility to apply for and obtain all necessary permits issued by other agencies. Please feel free to contact me with any questions at (206) 431-3659 or Jaimie.Reavis@TukwilaWA.gov. Sincerely, Jaimie Reavis Senior Planner Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov TECHNICAL INFORMATION REPORT NOT FOR CONSTRUCTION AGENCY REVIEW ONLY HIGHLINE WATER DISTRICT PUMP STATION No. 8 Prepared for: HIGHLINE WATER DISTRICT 23828 30th Avenue South Kent, WA 98032 H W D 116.038.02.202 Prepared by: RH2 ENGINEERING, INC. Y .firms, E c m N G I N E E R S PLANNERS OCT 09 2017 SCIENTISTS f/1( Mir Community Development HIGHLINE WATER DISTRICT PUMP STATION NO. 8 TECHNICAL INFORMATION REPORT OCTOBER 2017 NOT FOR CONSTRUCTION AGENCY REVIEW ONLY Prepared by: RH2 Engineering, Inc. Prepared for: Highline Water District Note: This Technical Information Report was completed under the direct supervision of the following Licensed Professional Engineers registered in the State of Washington. Date Signed: 10/5/17 Date Signed: 10/5/17 THIS PAGE INTENTIONALLY LEFT BLANK Highland Water District Pump Station No. 8 TIR Table of Contents SECTION 1— PROJECT OVERVIEW 1 General 1 SECTION 2 — CONDITIONS AND REQUIREMENTS SUMMARY 1 Core Requirement No. 1 — Discharge at the Natural Location 1 Core Requirement No. 2 — Off -site Analysis 2 Core Requirement No. 3 — Flow Control 2 Core Requirement No. 4 — Conveyance System 2 Core Requirement No. 5 — Erosion and Sediment Control 2 Core Requirement No. 6 — Operation and Maintenance 2 Core Requirement No. 7 — Financial Guarantees and Liability 2 Core Requirement No. 8 — Water Quality 2 Core Requirement No. 9 — Flow Control Best Management Practices 3 Special Requirement No. 1 — Other Adopted Area -specific Requirements 3 Special Requirement No. 2 — Flood Hazard Area Delineation 3 Special Requirement No. 3 — Flood Protection Facilities 4 Special Requirement No. 4 — Source Controls 4 Special Requirement No. 5 — Oil Control 4 SECTION 3 — OFF -SITE ANALYSIS 4 Task 1 — Study Area Definition and Maps 4 Task 2 — Resource Review 4 Task 3 — Field Inspection 4 Task 4 — Drainage System Description and Problem Descriptions 5 Task 5 — Mitigation of Existing or Potential Problems 5 SECTION 4 — SECTION 5 — SECTION 6 — SECTION 7 — SECTION 8 — SECTION 9 — COVENANT SECTION 10 FLOW CONTROL AND WATER QUALITY ANALYSIS AND DESIGN 5 CONVEYANCE SYSTEM ANALYSIS AND DESIGN 5 SPECIAL REPORTS AND STUDIES 5 OTHER PERMITS 6 CSWPPP ANALYSIS AND DESIGN 6 BOND QUANTITIES, FACILITY SUMMARIES, AND DECLARATION OF 6 — OPERATIONS AND MAINTENANCE MANUAL 7 APPENDICES Appendix A — Appendix B — Appendix C — Appendix D — Appendix E — Appendix F — Worksheet and Forms Engineering Geology Evaluation Technical Memorandum Threshold Discharge Areas Downstream Analysis Resource Review Operations and Maintenance Manual 1 10/5/2017 11:22 AM J:\Data\HWD\116-038\Storm\TIR HWD PS8 Project.docx THIS PAGE INTENTIONALLY LEFT BLANK SECTION 1— PROJECT OVERVIEW General The Highline Water District (District) owns a parcel of land in a residential area off 42nd Avenue South between South 160th Street and Military Road South. The District desires to redevelop the site to construct a pump station to meet the District's supply reliability criteria. This Technical Information Report (TIR) addresses construction of the proposed pump station and associated site improvements. The project site is commonly known by the City of Tukwila (City) as 16032 42nd Avenue South, Tukwila, Washington (parcel number 5379800009). The area of the site is approximately 0.23 acres. Currently, the existing house that had been located on the property has been demolished and the site has been cleared. The site has a single Threshold Discharge Area (TDA). A TIR worksheet has been prepared for the TDA for this project (Figure 1 in Appendix A). A vicinity map showing the proposed site has been included in Appendix A as Figure 2. The site has an upstream tributary area of approximately 30,750 square feet. RH2 Engineering, Inc., (RH2) has prepared an Engineering Geology Evaluation Technical Memorandum dated September 28, 2017, which provides site specific information regarding the on -site soils (Appendix B). This TIR is intended to demonstrate compliance with applicable sections of the King County Surface Water Design Manual, 2016 Edition, (hereinafter collectively referred to as the KCSWDM) for the proposed project. SECTION 2 — CONDITIONS AND REQUIREMENTS SUMMARY In reviewing KCSWDM Section 1.1.2 — Drainage Review Types and Requirements, and Figure 1.1.2.A — Flow Chart for Determining Type of Drainage Review Required, the following criteria have been considered. • The project is not a single-family residence. • The project is a redevelopment that proposes to add or replace less than 2,000 square feet (sf) of new plus replaced impervious surface and has less than 7,000 sf of land disturbing activity. • The project will not result in 50 acres or more of new impervious surface. Based on this rationale, the project will be subject to Full Drainage Review. Core Requirement No. 1— Discharge at the Natural Location The existing site has one natural discharge location and one TDA. The project does not propose to divert flows from the natural discharge location or the TDA. The project meets Discharge Requirement la. The 100-year peak discharge is less than 0.2 cubic feet per second (cfs) under existing conditions and will remain less than or equal to 0.2 cfs under developed conditions. Concentrated runoff will be discharged to a rock pad or other system that serves to disperse flows. 1 10/5/2017 11:22 AM .1:\Data\HWD\116-038\Storm\TIR HWD PS8 Project.docx Highline Water District Technical Information Report October 2017 Pump Station No. 8 The project and natural discharge area are not located within a landslide hazard drainage area. Core Requirement No. 2 — Off -site Analysis The project does not change the rate, volume, duration, or location of discharges to and from the project site; therefore, it is exempt from Core Requirement No. 2. Core Requirement No. 3 — Flow Control This project is exempt from Core Requirement No. 3 by having less than 5,000 sf of new plus replaced impervious surface and adding less than three-quarters of an acre of new pervious surface. Core Requirement No. 4 — Conveyance System There are no engineered conveyance systems for the proposed project. Core Requirement No. 5 — Erosion and Sediment Control A temporary erosion and sedimentation control plan will be developed and included in the plan set at the time of the Utility Construction Permit application. A Construction Stouuwater Pollution Prevention Plan (CSWPP) is included in Section 8. Core Requirement No. 6 — Operation and Maintenance Section 10 includes information regarding the Operations and Maintenance (O&M) Manual. The drainage facilities are proposed to be maintained by the District. Core Requirement No. 7 — Financial Guarantees and Liability In accordance with KCSWDM Section 1.2.7 — Core Requirement No. 7 — Financial Guarantees and Liability, all persons constructing any surface water facilities are required to post with the City a bond, assignment of funds, or certified check. For this project, the District requests that this requirement be waived, consistent with Revised Code of Washington (RCW) 35.21.470, which states: A city or town may not require any state agency or unit of local government to secure the performance of a permit requirement with a surety bond or other financial security device, including cash or assigned account, as a condition of issuing a permit to that unit of local government for a building construction project. As used in this section, "building construction project" includes, in addition to its usual meaning, associated landscaping, street alteration, pedestrian or vehicular access alteration, or other amenities or alterations necessarily associated with the project. Core Requirement No. 8 — Water Quality This project is exempt from Core Requirement No. 8 through the Surface Area Exemption. 2 10/5/2017 9:54 AM ]:\Data\HWD\116-038\Storm \T1R HWD PS8 Project.docx Highline Water District Technical Information Report October 2017 Pump Station No. 8 The project adds less than 5,000 sf of new pollution -generating impervious surface (PGIS) that is not fully dispersed, adds less than 5,000 sf of new plus replaced PGIS that is not fully dispersed as part of a redevelopment project, and adds less than 3/4 acre of new pollution -generating pervious surface that is not fully dispersed. Core Requirement No. 9 — Flow Control Best Management Practices The proposed project is located on a site/lot smaller than 22,000 sf and will attempt to meet the small lot best management practice (BMP) requirements. Full dispersion on the site is not feasible because it does not meet the minimum design requirements. The total area of impervious surface that needs to be fully dispersed is more than 15 percent of the total area of native vegetated soil being preserved. Full infiltration of runoff on the site is feasible based on the minimum design requirements laid out in C.2.2.2 of the KCSWDM. Based on the soils present on site, as outlined in Appendix B, there are medium sands with some cobbles. This requires ground surface depressions to store at least 60 cubic feet of stormwater per 1,000 square feet of impervious surface served. There is approximately 4,267 square feet of impervious area on site, which would require 256 cubic feet of stormwater storage. The rain gardens on site (which are classified as ground surface depressions for the purpose of this TIR) have a storage capacity of more than 256 cubic feet, satisfying this requirement. Special Requirement No. 1— Other Adopted Area -specific Requirements A Master Drainage Plan is not known to exist for the project site. A Basin Plan is not known to exist for the project site. A Salmon Habitat Plan exists for the project site and is titled, The Green/Duwamish and Central Puget Sound Watershed, also known as Water Resource Inventory Area (WRIA) 9. The project site is located specifically in the Lower Green River — West sub -basin of WRIA9.1 A Stormwater Compliance Plan is not known to exist that would affect the project site. A Lake Management Plan is not known to exist that would affect the project site. A Flood Hazard Reduction Plan is not known to exist that would affect the project site. A Shared Facility Drainage Plan is not known to exist that would affect the project site. Special Requirement No. 2 — Flood Hazard Area Delineation The proposed project site is not directly adjacent to a stream, lake, wetland, or closed depression; therefore, it does not warrant delineation of the 100-year flood plain. 1 Additional information can be found online at: http://www. govlink.org/watersheds/9/activities-partners/default.aspx. 3 10/5/2017 9:54 AM .1:\Data\HWO\116-038\Storm \TER HWD PS8 Project.docx Highline Water District Technical Information Report October 2017 Pump Station No. 8 Special Requirement No. 3 — Flood Protection Facilities The proposed project will not rely on an existing flood protection facility for protection against hazards posed by erosion or inundation, nor will it construct a new flood protection facility. Special Requirement No. 4 — Source Controls The proposed project does not require a commercial building permit or a commercial site development permit; therefore, in accordance with KCSWDM Section 1.3.4 (page 1-73), this special requirement is not applicable. Special Requirement No. 5 — Oil Control The proposed project site is not considered high use; therefore, this special requirement does not apply. SECTION 3 — OFF -SITE ANALYSIS Task 1— Study Area Definition and Maps The Downstream Analysis Map series is included in Appendix D. Task 2 — Resource Review Basin Plan — A basin plan is not known to exist for the project site. Sensitive Areas Folio — Appendix F contains the following maps. • Sensitive Slopes: There are some Class 2 sensitive slopes (between 15 percent and 40 percent) on the east side of the site and downstream of the project site. • Landslide: There are slopes downstream of the project site that are at moderate risk for landslide. • Wetlands: There are no mapped wetlands on the project site. • Flood Hazards: City maps do not show the site and downstream areas being in Special Flood Hazard Areas (100-year flood) nor Other Flood Areas (Zone X — 500-year flood). • Coal Mine Hazards: The project site and downstream area do not show any mapped coalmine hazards. Section 303d List — Appendix F contains a Washington State Department of Ecology (Ecology) map indicating that downstream of the project site, the Green River is listed for metals, ammonia, fecal coliform bacteria, pH, low dissolved oxygen and high biochemical oxygen demand, and elevated temperatures. Task 3 — Field Inspection A Level-1 inspection and site visit was conducted on August 10, 2017. The temperature was 88 degrees Fahrenheit, and sunny, with 0.00 inches of precipitation. It had not rained since June 18, 2017. The downstream conveyance system was inspected for the project 4 10/5/2017 9:54 AM J:\Data\HWD\l 16-038\Storm\TIR HWD PS8 Project.docx Highline Water District Technical Information Report October 2017 Pump Station No. 8 TDA. Overall, no drainage issues were observed, and all drainage systems were free flowing. Land use, impervious surfaces, topography, pipe sizes, drainage structures, and relevant critical areas were verified to the extent possible as displayed in the study area maps and other relevant figures. Task 4 — Drainage System Description and Problem Descriptions The project TDA is shown in the map in Appendix C, and downstream flow paths are shown in Appendix D. Project TDA Downstream Alignment The project TDA discharges off the northwest corner under historic conditions. Currently, stormwater infiltrates or sheet flows off the site and is tributary to the downstream property (a residential single-family residence) where it infiltrates or is tributary to the next downstream property. The stormwater travels downhill via groundwater or sheet flows until it reaches the South Tributary of Gilliam Creek (approximately 0.4 miles downstream of the project site), which is a tributary of the Green River. There are currently no known, existing, or potential drainage system problems reported from the City and local owners, or observed during the field inspection for the project TDA. Task 5 — Mitigation of Existing or Potential Problems A review of the information for the project site found no potential or existing drainage or water quality problems in the immediate vicinity that could be attributed to the project site. Further downstream, the Gilliam Creek basin, which consists of highly developed urban areas, appears to have caused increased peak flows and runoff volumes compared to historic conditions. This project will infiltrate all runoff on site; therefore, it will not contribute to this problem. SECTION 4 — FLOW CONTROL AND WATER QUALITY ANALYSIS AND DESIGN This project is exempt from flow control requirements using the basic exemption. SECTION 5 — CONVEYANCE SYSTEM ANALYSIS AND DESIGN The proposed project does not have an on -site conveyance system. SECTION 6 — SPECIAL REPORTS AND STUDIES An Engineering Geology Evaluation Technical Memorandum has been prepared for the project site and is included in Appendix B. No other special reports or studies have been prepared for this project. 5 10/5/2017 9:54 AM J:\Data\HWD\116-038\Storm\T1R HWD PS8 Project.docx Highline Water District Technical Information Report October 2017 Pump Station No. 8 SECTION 7 — OTHER PERMITS In addition to this Full Drainage Review, RH2 anticipates that the following City peiiiiits will be required. • State Environmental Policy Act (SEPA) compliance • Building Permit • Unclassified Use Permit • Design Review • Right -of -Way Permit An Ecology Construction Stormwater General Permit is not required since the proposed project will disturb less than 1 acre of land. The project will also require review and approval from the Washington State Department of Health for potable water facilities. SECTION 8 — CSWPPP ANALYSIS AND DESIGN The CSWPPP will be created during preparation of final documents. It is anticipated that silt fencing and a construction entrance will be necessary for the construction of this project. SECTION 9 — BOND QUANTITIES, FACILITY SUMMARIES, AND DECLARATION OF COVENANT In accordance with KCSWDM Section 1.2.7 — Core Requirement No. 7 — Financial Guarantees and Liability, all persons constructing any surface water facilities are required to post with the City of Tukwila a bond, assignment of funds, or certified check. For this project, the District requests that this requirement be waived, consistent with RCW 35.21.470, which states: A city or town may not require any state agency or unit of local government to secure the performance of a permit requirement with a surety bond or other financial security device, including cash or assigned account, as a condition of issuing a permit to that unit of local government for a building construction project. As used in this section, "building construction project" includes, in addition to its usual meaning, associated landscaping, street alteration, pedestrian or vehicular access alteration, or other amenities or alterations necessarily associated with the project. The Declaration of Covenant is not anticipated to be required since the facilities are to be owned by the District. 6 10/5/2017 9:54 AM J:\Data\HWD\116-038\Storm\TIR HWD PS8 Project.docx Highline Water District October 2017 Technical Information Report Pump Station No. 8 SECTION 10 — OPERATIONS AND MAINTENANCE MANUAL The O&M Manual can be found in Appendix F. The elements covered are as follows. 1. Infiltration. Facilities 2. Bioretention BMP This concludes the Technical Information Report. 7 10/5/2017 9:54 AM J:\Data\HWD\116-038\Storm\TIR HWD PS8 Project.docx THIS PAGE INTENTIONALLY LEFT BLANK 1 APPENDIX A Worksheet and Forms THIS PAGE INTENTIONALLY LEFT BLANK 'Figure 1 I KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 1 PROJECT OWNER AND PROJECT ENGINEER Project Owner Highline Water District Phone 206.824.0375 Address 23828 30th Avenue S. Kent, WA 98032 Project Engineer Bret Beaupain, P.E. Company RH2 Engineering, Inc. Phone 425.951.5382 Part 3 TYPE OF PERMIT APPLICATION ❑ Landuse Services Subdivison / Short Subd. / UPD 0 Building Services M/F / Commerical / SFR ❑ Clearing and Grading ❑ Right -of -Way Use O Other Public Facility Part 2 PROJECT LOCATION AND DESCRIPTION Project Name Pump Station 8 DDES Permit # N/A Location Township 23N Range 4E Section 27 Site Address 16032 42nd Ave S Tukwila, WA Part 4 OTHER REVIEWS AND PERMITS ❑ DFW HPA ❑ COE 404 ❑ DOE Dam Safety ❑ FEMA Floodplain ❑ COE Wetlands ❑ Other ❑ Shoreline Management ❑ Structural RockeryNault/ ❑ ESA Section 7 Part 5 PLAN AND REPORT INFORMATION Technical Information Type of Drainage Review (circle): Date (include revision dates): Date of Final: Report Site Improvement Plan (Engr. Plans) Full / Targeted / Type (circle one): Full / Modified / Large Site See cover of this Small Site Date (include revision See Plans. document. dates): Date of Final: Part 6 ADJUSTMENT APPROVALS Type (circle one): Standard / Complex / Preapplication / Experimental / Blanket Description: (include conditions in TIR Section 2) Date of Approval: 2009 Surface Water Design Manual 1 1/9/2009 'Figure 1 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 7 MONITORING REQUIREMENTS Monitoring Required: Start Date: Yes /CO Describe: Completion Date: Part 8 SITE COMMUNITY AND DRAINAGE BASIN Community Plan : N/A Special District Overlays: N/A Drainage Basin: N/A Stormwater Requirements: N/A Part 9 ONSITE AND ADJACENT SENSITIVE AREAS ❑ River/Stream ❑ Lake ❑ Wetlands ❑ Closed Depression ❑ Floodplain ❑ Other U Steep Slope ❑ Erosion Hazard ❑ Landslide Hazard ❑ Coal Mine Hazard ❑ Seismic Hazard ❑ Habitat Protection Part 10 SOILS Soil Type SEE GEO REPORT Slopes ❑ High Groundwater Table (within 5 feet) ❑ Other Erosion Potential ❑ Sole Source Aquifer ❑ Seeps/Springs ❑ Additional Sheets Attached 2009 Surface Water Design Manual 1/9/2009 2 !Figure 1 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 11 DRAINAGE DESIGN LIMITATIONS REFERENCE LIMITATION / SITE CONSTRAINT ❑ Core 2 — Offsite Analysis ❑ Sensitive/Critical Areas SEPA ❑ Other None ❑ Additional Sheets Attached Part 12 TIR SUMMARY SHEET (provide one TIR Summary Sheet per Threshold Discharge Area) Threshold Discharge Area: Project Site: Area: 0.23 Acres (name or description) Core Requirements (all 8 apply) Discharge at Natural Location Number of Natural Discharge Locations: 1 Offsite Analysis Level: C1)/ 2 / 3 dated: August 10, 2017 Flow Control Level: 1 / 2 / 3 or Exemption Number 1 (incl. facility summary sheet) Small Site BMPs Conveyance System Spill containment located at: N/A Erosion and Sediment Control ESC Site Supervisor: To be determined by Contact Phone: After Hours Phone: competitive bid Maintenance and Operation Responsibility: Private / ibli� If Private, Maintenance LRequired: Yes / No Financial Guarantees and Provided: Yes / No Liability Water Quality Type: Basic / Sens. Lake / Enhanced Basicm / Bog (include facility summary sheet) or Exemption No. No pollution -generating surfaces Landscape Management Plan: Yes / se Special Requirements (as applicable) Area Specific Drainage Type: CDA / SDO / MDP / BP / LMP / Shared Fac. / one Requirements Name: Floodplain/Floodway Delineation Type: Major / Minor / Exemption / one 100-year Base Flood Elevation (or range): Datum: Flood Protection Facilities Describe: N/A Source Control Describe landuse: Booster Pump Station (comm./industrial landuse) Describe any structural controls: None 2009 Surface Water Design Manual 3 1/9/2009 'Figure 1 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Oil Control High -use Site: Yes / ©o Treatment BMP: N/A Maintenance Agreement: Yes / ®o with whom? N/A Other Drainage Structures Describe: Part 13 EROSION AND SEDIMENT CONTROL REQUIREMENTS MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION AFTER CONSTRUCTION 0 Clearing Limits 0 Stabilize Exposed Surfaces Cl Cover Measures 0 Remove and Restore Temporary ESC Facilities 0 Perimeter Protection 0 Clean and Remove All Silt and Debris, Ensure 0 Traffic Area Stabilization Operation of Permanent Facilities 0 Sediment Retention ❑ Flag Limits of SAO and open space preservation areas 0 Surface Water Collection CI Other 0 Dewatering Control ❑ Dust Control ❑ Flow Control Part 14 STORMWATER FACILITY DESCRIPTIONS (Note: Include Facility Summary and Sketch) Flow Control Type/Description Water Quality Type/Description U Detention ❑ Infiltration ❑ Regional Facility ❑ Shared Facility ❑ Flow Control BMPs U Other N/A ❑ Biofiltration ❑ Wetpool ❑ Media Filtration ❑ Oil Control ❑ Spill Control ❑ Flow Control BMPs ❑ Other N/A None 2009 Surface Water Design Manual 4 1/9/2009 'Figure 1 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMAT ON REPORT (TIR) WORKSHEET Part 15 EASEMENTS/TRACTS Part 16 STRUCTURAL ANALYSIS ❑ Drainage Easement ❑ Covenant ❑ Native Growth Protection Covenant ❑ Tract None, District -owned Property ❑ Other ❑ Cast in Place Vault ❑ Retaining Wall ❑ Rockery > 4' High ❑ Structural on Steep Slope ❑ Other Part 17 SIGNATURE OF PROFESSIONAL ENGINEER I, or a civil engineer under my supervision, have visited the site. Actual site conditions as observed were incorporated into this worksheet and the attached Technical Information Report. To the best of my knowledge the information provided here is accurate. Signed/Date 2009 Surface Water Design Manual 1/9/2009 5 THIS PAGE INTENTIONALLY LEFT BLANK • e Figure 2 King County - Vicinity Map Project Site t„ s1rG:t5t 64th St &5th St S'i6Eith St The nformation included on this map has been compied by King County staff from a variety of sources and is subject to change without notice. King County makes no representations or warranties, express or implied, as to accuracy, completeness, time iness, or rights to the use of such information. This document is not intended for use as a survey product. King County shall not be table for any general, special, bdirect, incidental, or consequential damages including, but not limited to, lost revenues or bst profits resulting from the use or misuse of the informatbn contained on this map. Any sale of this map or information on this map is prohbited except by written permission of King County. Date: 9/21/2017 Notes: None King County GIS CENTER THIS PAGE INTENTIONALLY LEFT BLANK si4 APPENDIX B Engineering Geology Evaluation Technical Manual THIS PAGE INTENTIONALLY LEFT BLANK IL IP I54 II TECHNICAL ENGINEER S PLANNERS SCIENTIST S MEMORANDUM Client: Highline Water District Project: Pump Station No. 8 Project File: HWD 116.038.02.202 Project Manager: Edwin Halim, PE Composed by: Steve Nelson, LEG Reviewed by: Rick Ballard, PE Subject: Pump Station No. 8 Engineering Geology Evaluation Date: September 28, 2017 STEPHEN ERIC NELSON 9/28/17 9/28/17 INTRODUCTION RH2 Engineering, Inc., (RH2) was retained by the Highline Water District (District) to complete predesign services for Pump Station No. 8, including site selection. Pump Station No. 8 will be constructed in the far northern reaches of the 560 Zone, allowing the District's largest storage reservoir (Crestview Reservoir) to provide water to customers in this zone if the existing Pump Station No. 6 becomes inoperable. Construction of the new pump station is identified as Capital Improvement Project "BP-1" in the District's Water System Plan and is scheduled to begin construction in 2018. The site selected for Pump Station No. 8 is located at 16032 42nd Avenue South, Tukwila, Washington. This site was purchased on November 15, 2016, by the District. 9/28/2017 335 PM J:\ Data \HWD\116-038\Geo\Tech Memo Re Pump Station No. 8.docx Technical Memorandum RE: Pump Station No. 8 Engineering Geology Evaluation September 28, 2017 Page 2 The pump station facility will consist of: • A 44-foot by 28-foot pump station building supported on a continuous foundation with interior concrete slab; • A 37-foot by 24-foot pump room completed to a depth of 9 feet; and • A 10-foot by 20-foot at -grade concrete slab foundation to support an emergency generator. This technical memorandum summarizes the findings of a limited subsurface investigation to observe, characterize, and document earth and groundwater conditions of the site; identify potential geologic hazards and recommendations to mitigate the geologic risks; and provide recommendations for design and construction of the proposed pump station facility. The pump station facility is in the NW 1/4 NE 1/4, Section 27, Township 23 N, Range 04 E, centered at latitude 47.458679 N, longitude 122.280733 W. The site is located on a south -trending slope west of the Green River valley at approximately 445 feet in elevation above mean sea level. The general layout of the site is shown in Figure 1. The proposed pump station site was formerly occupied by a residence that has been removed; the site is currently undeveloped. FINDINGS REGIONAL GEOLOGY RH2 reviewed geologic maps and descriptions of regional geologic conditions on the Washington State Department of Natural Resources (WADNR) website. RH2 reviewed the driller's logs for borings and wells completed within 1 mile of the site, and recorded at the Washington State Department of Ecology (Ecology) well log website. The surficial geologic unit mapped at the site is glacial outwash consisting of a slightly stratified compact to moderately dense mixture of sand, gravel, and cobbles, with minor silt. The WADNR Interactive Geologic Map, based on the United States Geological Survey National Earthquake Hazards Reduction Program, assigns a Seismic Site Class C to D, Dense to Very Dense Soil, and a very low risk of liquefaction. SITE INVESTIGATION Before site exploration, RH2 reviewed available geologic maps, soil maps, and exploration boring logs for the local area. On August 10, 2017, District staff used a backhoe to excavate two test pits to depths of 10 and 12 feet below ground surface (bgs). The District subsequently backfilled the test pits with compacted excavated soil using the backhoe bucket. The test pit locations are shown on Figure 1. RH2 inspected soil samples retrieved from the excavation to identify stratigraphy, composition, texture, structure, and cohesion of native earth materials encountered in the excavation. Appendix A contains the soil test pit logs. 9/28/2017 3:35 PM .1:\Data\HWD\116-038\Geo\Tech Memo Re Pump Station No. 8.docx Technical Memorandum RE: Pump Station No. 8 Engineering Geology Evaluation September 28, 2017 Page 3 The test pits encountered a surficial layer (up to 3 feet) of sandy gravelly silt underlain by fine to medium sand with gravel to a depth of at least 12 feet bgs. A review of existing well logs obtained from Ecology for a 1-mile area surrounding the site indicates that groundwater may exist at a depth of more than 100 feet beneath the surface within deeper unconsolidated sediments. No groundwater seepage was observed in the test pit excavations. A representative sample of the native sand with gravel (recessional glacial outwash) was submitted to HWA Geosciences Inc. of Bothell, Washington for analysis following American Society for Testing and Materials (ASTM) D422, Particle Size Analysis. Results are attached. Using the Soil Grain Size Analysis Method of Drainage Manual Volume III, the estimated initial saturated hydraulic conductivity is 0.12 centimeters per second, or 18 inches per hour. GEOLOGIC HAZARDS The WADNR website was reviewed for geologic hazards at the pump station site. The information that follows summarizes the geologic hazards and relative risk they pose to the pump station. • Risks from landslides, mass wasting, and flooding are negligible. • The risk of earthquakes of magnitude 5 to 6 during the next 50 years is high (80 percent). • Liquefaction risk is mapped as very low; the soil is dry to moist and compact to moderately dense. • The risk of persistent groundwater seepage from surrounding native soil into the excavation during site development is negligible. GEOTECHNICAL PROPERTIES Based on the observed soil composition and density, the compact to moderately dense glacial outwash may support a structure with an appropriately designed foundation that spreads a load that does not exceed a net allowable bearing capacity of 2,000 pounds per square foot (psf). The following earth pressures are estimated for the moderately dense fine to medium sand, assuming a friction angle of 32 degrees and a unit weight of 115 pounds per cubic foot (pcf). • At rest-54psf • Active - 35 psf • Passive — 374 psf RECOMMENDATIONS SITE EXCAVATION FOR FOUNDATIONS AND UNDERGROUND UTILITIES • Based on the subgrade depth of the proposed design, the pump station would be founded on moderately dense sand with gravel. Excavations to the subgrade should be reviewed 9/28/2017 3:35 PM J:\Data\HWD\116-038\Geo\Tech Memo Re Pump Station No. 8.docx Technical Memorandum RE: Pump Station No. 8 Engineering Geology Evaluation September 28, 2017 Page 4 by a Licensed Engineering Geologist (LEG) or Professional Engineer with a geotechnical background (PEG) at the lowest excavated subgrade elevation, prior to any subgrade improvements. SUBGRADE PREPARATION • Areas of subgrade that consist of less than 12 inches of loose fill or native soil, or unsuitable fill or native soil, should be over -excavated and backfilled with crushed rock. • Areas of subgrade that consist of more than 12 inches of loose or unsuitable fill/native soil should be over -excavated and backfilled with at least 2 feet of structural fill topped by 6 inches of crushed rock. • Structural backfill should meet the requirements of gravel borrow (or equivalent) per the Washington State Depailiiient of Transportation (WSDOT) 2016 Standard Specifications, Section 9-03..14(1). Structural backfill should be placed at optimal moisture in 6-inch loose lifts and compacted to a firm and unyielding surface to achieve at least 95 percent of maximum dry density as determined by the modified proctor test ASTM D1557. • The final subgrade should be flat and free of loose earth materials or boulders larger than 4 inches in diameter. The subgrade should be probed to confirm uniform soil density and approved by a LEG or PEG. • Crushed rock should meet the requirements of crushed surfacing base course (CSBC) per the WSDOT 2016 Standard Specifications, Section 9-03.9(3). CSBC should be placed in 6-inch lifts and compacted to a firm and unyielding surface to achieve at least 95 percent of maximum dry density as determined by ASTM D1557. USE OF EXCAVATED EARTH MATERIALS • Excavated topsoil, which occurs to a depth of approximately 2 feet, is unsuitable for backfill and should be exported off site or used for landscaping. • Excavated deeper native soil below the topsoil may be stockpiled for reuse as structural fill if the soil contains less than 15 percent fines; the moisture content of the excavated soil is within plus or minus 2 percent of optimum; the soil contains no waste debris, organic soil, or woody material; and all rock materials (cobbles, boulders, and rock fragments) larger than 4 inches in diameter are removed. • Stockpiled earth materials should be protected from wetting or drying that would make it unsuitable as fill. • Earth materials excavated for re -use as fill, as well as all imported fill material, should be tested for moisture content just prior to placement. Structural fill should be within plus or minus 2 percent of its optimum moisture content when placed. 9/28/2017 3:35 PM J:\Data\HWD\116-038\Geo\Tech Memo Re Pump Station No. 8.docx Technical Memorandum RE: Pump Station No. 8 Engineering Geology Evaluation September 28, 2017 Page 5 SLOPES AND SHORING • The native soil may support temporary slopes at 2H:1 V, as long as they are protected from erosion, runoff, and vibration. • The pump room excavation may require shoring below depths of 4 feet if workers will enter the excavation to construct the pump station, and if adjacent roads and utilities require protection. The pump station will be constructed of cast -in. -place concrete, and will become the permanent retaining wall for the cut slope. All permanent faces in native soil should be no steeper than 3H:1V. • All temporary slopes should be reviewed for stability several times a day, or as often as necessary to ensure slope integrity. This shall include reviewing the top of the slope for tension cracks and settlement, as well as erosion. • The native soil is moderately erodible. All temporary slopes should be protected from erosion from direct precipitation, or runoff from adjacent impermeable surfaces. Before and during precipitation events, the surface should be covered by plastic sheeting or other techniques that prevent rain splash erosion and rilling. • All permanent slopes and swales should be protected from erosion by hydroseeding, and planting with landscape fabric, coarse bark placement, quarry spalls, or other materials that prevent rain splash erosion and rilling. SEISMIC DESIGN FACTORS • There is a high probability that the site will experience a moderate (M 5) earthquake in the next 50 years. • The native soil should be considered as a Site Class C to D, Dense to Very Dense Soil, per International Building Code (IBC) (2016) Site Class definitions. ON -SITE INFILTRATION CAPACITY • The glacial outwash is very permeable and extends to a depth of at least 12 feet bgs; no barriers exist to impede vertical infiltration and create mounding conditions. Grain size analysis method results indicate an initial saturated hydraulic conductivity value of 0.12centimeters per second, or l.7 inches per hour, which suggests a high suitability for on -site infiltration. A long-term infiltration rate of 5 inches per hour is recommended for design of an on -site stormwater infiltration system to accommodate variability in the subsurface and incremental clogging of the infiltration system. 9/28/2017 3:35 PM .1:1Data\HWD\116-038\Geo\Tech Memo Re Pump Station No. 8.docx Technical Memorandum RE: Pump Station No. 8 Engineering Geology Evaluation September 28, 2017 Page 6 ATTACHMENTS Figure 1— Proposed Site Plan Appendix A — Test Pit Logs Appendix B — Particle Size Analysis 9/28/2017 3:35 PM I:\Data\HWD\116-038\Geo\Tech Memo Re Pump Station No. 8.docx FIGURE 1 THIS PAGE INTENTIONALLY LEFT BLANK 0 — SITE INGRESS AND EGRESS /— LANDSCAPED AREAS, TYP. TP— 2 ( 537980-0009 ) 1603242NDA1,ES 1-- 20'FRONTSETBACK —� — FUTURE CONNECTION TO WATER MAIN WITHIN 42ND AVENUE, TYP. BUILDING MINIMUM SETBACK 2 CUT BUILDING DRIP EDGE 537980-0002 16026 42ND AVE S EXISTING SITE CONTOURS, TYP. 10.0' TYPE I LANDSCAPE BUFFER, TYP. SIDE AND REAR YARDS 11.9' 5' SIDE SETBACK, TYP. 1 0 I I Figure 1 PROPOSED SITE PLAN4.. =10' 21.3' ( 537980-0003 ) 16036 42ND AVE S 10.0' 31.9' 10' BACK SETBACK 1 1 a a a a a a 11 1 1 a a 1 1 a 1 a a a 1 1 a a a a a a 15' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS KEYSTONE RETAINING WALL, MAX HEIGHT APPROX. 4' 10' SEWER EASEMENT PER — 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS 7.5' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS VICINITY MAP L S 160TH ST PROJECT PARCEL L I /// CRESTVIEW RESERVOIR Ni W z W z WA. SCIENTISTS HIGHLINE WATER DISTRICT PUMP STATION NO. 8 PUMP STATION 8 SITE PLAN 9 PSB.P-CIVOI-AtT1-REDUCED ACCESS.DWG uKD. E Sep 15,2017 EEmarE Sep 15.2017 s REVISIONS 9 8 0 SCALE:#### v r z DRAWING IS FULL SCALE WHEN BAR MEASLIRES DWG NJyOO{.}{{�.{{yy�{ 1#1414 SHEET NO.: ifittrir #### APPENDIX A a THIS PAGE INTENTIONALLY LEFT BLANK Pump Station No. 8 Project West Side of Property Tukwila, WA Location iRFI2 Test Pit/Exploration Log HWD PS8 TP1 E N G! N E H 5 P L A N N E R S .—SCIENTISTS — Exploration Name Steve Nelson, LEG Inspected By August 10, 2017 Date HWD 116.038 Project # Deere 310SG Backhoe — 2-foot bucket Highline Water District Backhoe and Operator Depth Description Sketch/Photo 0 to 0.5 feet Gravelly Sandy SILT (ML) Brown, fine to medium sand, subrounded to subangular fine gravel; organic; dry to moist; loose (Topsoil) �` # P ✓ .. >" %' ,.., •} ``� g"t,' '` �r ,�,g�'* ti x~ r „ : r f rk M a a ! ". : +' ., \ ..�-� 0.5 to 2.0 feet Gravelly Sandy SILT (ML) Brown, fine to medium sand, subrounded to subangular fine gravel; organic; dry to moist; loose (Fill) 2.0 to 5.0 feet Silty Gravelly SAND (SM) Light Brown, fine to medium sand, some coarse sand, subrounded fine to coarse gravel, some cobbles, trace organic material and roots to 4 feet; moist; moderate dense (Fill -weathered glacial till) 5.0 to 12.0 feet SAND with Gravel (SP) Brown to olive, fine sand, few fine subrounded gravel; moist; moderately dense (Glacial Outwash)�K. No groundwater seepage. Sidewalls stable unless disturbed. Exploration backfilled with excavated material. J:\Data\HWD\116-038\Geo\HWD PS8 Test Pit Logs.docxPage 1 of 2 Test Pit/Exploration Log HWD PS8 TP2 Exploration Name Pump Station No. 8 Project East Side of Property Tukwila, WA Location �� Pi ENGINEERS P 1. N N E R S —_g °'-A � N T "T R - Steve Nelson, LEG Inspected By August 10, 2017 Date HWD 116.038 Project # Deere 310SG Backhoe — 2-foot bucket Highline Water District Backhoe and Operator Depth Description Sketch/Photo 0 to 3.5 feet Sandy Gravelly SILT (ML), dark brown, fine to coarse sand, subrounded fine to coarse gravel with cobbles and trace boulders; trace concrete fragments and lumber; some organic material; moist; compact (Fill) A. A .=v,•i• r• 4 -' F {'= , , �r - ;., , ,� .may •, - t �,, -1 •r'r'- R• o. ; ,.:4•L , f 1 +Y .! 0( .;ram,.. 3.5 to 10.0 feet SAND with Gravel (SP) Brown to olive, fine to medium sand, few fine subrounded gravel; moist; moderately dense (Glacial Outwash) No groundwater seepage. Sidewalis stable unless disturbed. Exploration backfilled with excavated material. J:\Data\HWD\116-038\Geo\HWD PS8 Test Pit Logs.docxPage 2 of 2 APPENDIX B THIS PAGE INTENTIONALLY LEFT BLANK HWA GEOSCIENCES INC. *>=t'iC'htt sanlcniiaijf, :rift_° •H;'f131ty::01J:'inSptz(it1tftiiidiCatffi� September 28, 2017 HWA Project No. 2012-013 Task 2300 RH2 Engineering, Inc. 22722 29th Drive SE, Suite 210 Bothell, Washington 98021 Attention: Mr. Steve Nelson, L.G., L.H.G. Subject: Soil Laboratory Testing Report Particle Size Analysis HWD — PS8 Client Project No. 116-038 04402 Dear Mr. Nelson; As requested, HWA GeoSciences Inc. (HWA) performed laboratory testing for the above referenced project. Herein we present the results of our laboratory analyses, which are summarized on the attached figure. The laboratory testing program was performed in general accordance with your instructions and appropriate ASTM Standards as outlined below. SAMPLE INFORMATION: The subject sample was delivered to our laboratory on September 21, 2017 by RH2 personnel. The sample was delivered in a re -sealable plastic bag and was designated with project name and depth of sampling. The soil was classified for engineering purposes based on manual -visual methods, the soil descriptions for the samples are shown on Figure 1. MOISTURE CONTENT OF SOIL: The moisture content of the soil sample (percent by dry mass) was determined in general accordance with ASTM D 2216. The results are shown on the attached Figure 1. PARTICLE SIZE ANALYSIS OF SOILS: The sample was tested to determine the particle size distribution in general accordance with ASTM D422, by wet sieve analysis only. The results are summarized on the attached Particle Size Analysis of Soils report, Figure 1, which also provides information regarding the classification of the sample and their moisture content at the time of testing. 21312 306 Drive SE Suite 110 Bothell, \VA 98021-7010 Tel: 425.774.0106 Fax: 425.774.2714 www.hwageo.com September 28, 2017 HWA Project No. 2012-013 Task 2300 0 • 0 CLOSURE: Experience has shown that test values on soil and other natural materials vary with each representative sample. As such, HWA has no knowledge as to the extent and quantity of material the tested samples may represent. HWA also makes no warranty as to how representative either the samples tested or the test results obtained are to actual field conditions. It is a well -established fact that sampling methods present varying degrees of disturbance that affect sample representativeness. No copy should be made of this report except in its entirety. We appreciate the opportunity to provide laboratory testing services on this project. Should you have any questions or comments, or if we may be of further service, please call. Sincerely, HWA GEOSCIENCES INC. Stephen Wright Materials Testing Lab Manager Attachments: Figure 1 Particle Size Analysis of Soils Steven E. Greene, L.G., L.E.G. Principal Engineering Geologist Vice President T2300 Letter Report 2 HWA GeoSciences Inc. PERCENT FINER BY WEIGHT GRAVEL SAND SILT CLAY Coarse Fine Coarse Medium Fine U.S. STANDARD SIEVE SIZES 3/4" 3" 1-1/2" • 5/8" 3/8" #4 #10 #20 #40 #60 #100 #200 100 90 80 70 60 50 40 30 20 10 0 t 1 50 10 5 1 0 5 0 1 0.05 GRAIN SIZE IN MILLIMETERS 0.01 0.005 0.001 0.0005 SYMBOL SAMPLE DEPTH (ft. CLASSIFICATION OF SOIL- ASTM D2487 Group Symbol and Name % MC LL PL PI Gravel /o Sand %/o Fines • TP-2 (SP-SM) Olive -brown, poorly graded SAND with silt and gravel 1 19.5 75.1 5.4 Yilfi� FiWAGE0SC1EldCCES INC Laboratory Testing for RH2 HWD-PS8 PARTICLE -SIZE ANALYSIS OF SOILS METHOD ASTM D422 PROJECT NO.: 2012-013 T2300 FIGURE: HWAGRSZ 2012-013 T2300.GPJ 09/28/17 THIS PAGE INTENTIONALLY LEFT BLANK APPENDIX C Threshold Discharge Areas THIS PAGE INTENTIONALLY LEFT BLANK 455 D — SITE INGRESS AND EGRESS LANDSCAPED AREAS, TYP. FUTURE CONNECTION TO WATER MAIN WITHIN 42ND AVENUE, TYP. BUILDING MINIMUM SETBACK « ) 16026 42ND AVE S EXISTING SITE CONTOURS, TYP. 10.0' TYPE I LANDSCAPE BUFFER, TYP. SIDE AND REAR YARDS Project Threshold Discharge Area BUILDING DRIP EDGE -/ PROPOSED SITE PLAN 1' = 10' Tr ( 537980-0003 ) 16036 42ND AVE S < 15' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS KEYSTONE RETAINING WALL, MAX HEIGHT APPROX. 4' 10' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS 7.5' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS LinimmiLLV!CINITY MAP S 160TH S I�N PROJECT PARCEL CRESTVIEW RESERVOIR PUMP STATION 8 SITE PLAN PS&P-0IV01•ALTI•REDUCED ACCESS.DWG 5 a WIE Sep 15.2017 REVISIONS a SCALE: it= p r DRAWING IS FULL SCALE WHEN BAR MEASURES 7 DWG NO..: �yµµµ SHEET �H�O�.{: lfii'jefil APPENDIX D Downstream Analysis THIS PAGE INTENTIONALLY LEFT BLANK , 4,31 Y17el Y7 RO • r, = �i ' S166thSt 4 67 th St r r�u ' E 14 .` s s i zoth... e S,s�b ttty SfratW1 PBlvd Flow Route Flow Direction The information included on this map has been compiled by King County staff from a variety of sources and is subject to change without notice. King County Date: 9/21/2017 King County makes no representations or warranties, express or implied, as to accuracy, completeness, timeliness, or rights to the use of such information. This document is not intended for use as a survey product. King County shall not be liable for any general, special, indirect, incidental, or consequential damages including, l�TC` !��_ but not limited to, lost revenues or lost profits resulting from the use or misuse of the information contained on this map. Any sale of this map or information on �Z1J CENTER �K this map is prohibited except by written permission of King County. Notes: Downstream Analysis for Project TDA APPENDIX E Resource Review THIS PAGE INTENTIONALLY LEFT BLANK er pa tonal I rt SeaTac King County - Slopes 99 b � 1-- 5 -141, 1tf'! `>t 4 Tukwila 717, StE_ri t I ITO r okwlla jkwy Tukwila King Cognty The information included on the nep has been compied t i Kng County staff from a variety of sources and Is subject to change without notice. King County makes no representations or warranties, express or impied, as to accuracy,complateness, tinelness, or rights to the use of such information. This document is rot intended br use asa survey product. tGng County shall rot be liable fir any general, special, ndired, incidental, or mnsequential damages including, but net limited to, bst revenues or bst profits resuking from the use or misuse d the informatbn contained on this map. My sale of ttis map or information on this map Is prohibited except by written permission of Kirg County. Date: 9/21/2017 Notes: Slopes lig King County GIS CENTER Legend Potential steep ■slope hazard areas (2016, see explanation--->) Erosion hazard (1990 SAO) King County - Landslide 1(1 ‘J't u. 133 l3Sth St IaTac le- ional frt s 1 a niri sr 149tist r 99 5' 14'4th T11 f: i it°kt ; rlty H ht i S 1 7 1' St SiaT IC SrNei Part,.. '. Tukwila King County The information included on the nap has bean compied b, Kng County staff from a variety of sources and s subject to change wthout notice. King County makes no representations or warratties, express or implied, as to accuracy, completeness, timeliness, or rights to the use of such informatim. Ths document is rot intended br use as a survey product. IGng County shall rot be liable fa any general, special, indirect, incidental, or consequential damages indudng, but nct United to, bst revenues or bst profits resuhng from the use or misuse d the informatbn cattained on this map. My sale of the map or Informatim on this maps prohibted except by writen permissim of Kim County. Date: 9/21/2017 Notes: None La King County GIS CENTER Legend Potential ■landslide hazard areas (2016, see explanation-->) Potential landslide hazard areas 50-foot buffer (2016) Landslide Elhazards, incorporated KC (1990) Landslide hazard (1990 SAO) Erosion hazard (1990 SAO) IP le- 3 0 nal rrt I_ Uth r_-t l., l Cr1th. Wit: '1 c 1 i King County - Streams _,t rid fit tom St Links r 104 Vt • TtiksAi • /-1017St The hfonnation hckrded on the rrep has been compiled by King County staff from a variety of sources and is subject to change without notion. Khg County makes no representations or warradies, express or implied, as to acuracy,compbteness, timeliness, or rights to the use of suchinformatim. Pis dccumentis rot intended br use as a survey product. Kng County shall rot be liable fro any general, special, irdirect incidental, or consequential damages Indudhg, but not limited to, bst revenues or bst profit resulting from [house or misuse d the infonnatbn curtained on this map. My sale of this map or infonnatior on this map is prohitited except by writen permissim of Kirg County. Date: 9/21/2017 Notes: None King County 131 King County GIS CENTER Legend class 1 class 2 perennial class 2 salmonid class 3 unclassified Streams Drainage basins iYt Legend loPola Csy I. mis Pclrttel µalsmw•se ❑ayynl ng Sites TIT* 2 Steam «•• TIM 2 Steam r Fie — Type 3 Stream - Type 3 Shaun In Roe — TIpe15$ m - Type 4 SYee« n Pipe Type 2 µaknxvse BJler 11g h ❑ Type 3 TaPie casrw Brl{er 1571 "'Km l TOPPr W irge Bunk 1501 PcarNgl µeir& Calego? I d 1 WN1a11 Category111Mitre Calegay M1"Meltard Gslegry I S :I Mellor! Wier 1100) Category Ill Watgr1 Shcysr 1E17) Category IP Pee*end Banes 15aI Slope Classifications $ •• Iry el • ▪ Southeenter Blvd 21 1 S 152 ST S 151 ST 5158 ST S 152 ST _.--, -.,__ IL ,„.,,-,' Hail , :*W". • :411% 315551 S 160 ST cn N W S161 ST a " S161ST I h s gW ✓ ▪ y `n r f w s 3164ST G s a 4•1/S•S MMIMI •sOil ■e•1lll/a Md111tl■IIM 111111.11111116111111111 Resource Map - Wetlands a S163PL 5 152 ST .;r S 152 PL • Strander Blvd 111111 MN LA11— — En 111111 N —Wit itra King County - Erosion The nfomiation included on this nap has been compied by Kng County staff from a variety of sources and 's subject to change without notice. Kng County makes no representations or warradi es, express or implied, m to accuracy, completeness, tinelness, or rights to tta use of such infonnatim. Ttis document's rot intended br use asa survey product. Kng County shall rot be liable fa any general, special, irdired, Incidental, or consequential damages including. but net United to, bst revenues or bst profits resulting from the use or misuse d the information curtained on this map. Any sale of ttis map or Infonnattm on this map is prohibted except by wri ten pennissim of Kirg County. Date: 9/21/2017 Notes: None L41 King County GIS CENTER Legend Erosion hazard (1990 SAO) _> 146t„ Vac on t s' 1 ))11't St . 1 ;O!h it 99 t :, i t4t1-, Q Se aTa 16lri S t• King County - Flood SI 1 FLt Q L 4uJ 3nPit 1 Tukwila if *61,1k 0404 rtr)• ye.° PO Or 44.44 The nformation included on this nap has been compied tH King County staff from a variety of sources and is subject to change wthout notice. Kng County makes no representations orwarrantles, express or impied, as to accuracy, completeness, tfnelness, or rights to the use of such infonnatim. This document is rot Intended br use as a survey product. King County shell rot be liable fcr any general, special, hired, incidental, or consequential damages indudng, but net Iinited to, bst revenues or bst profits resuking from the use or misuse of the information curtained on this map. My sale of the map or I nfornatim on this map is prohitited except by writen permissim of King County. Date: 9/21/2017 Notes: None 1.41 King County GIS CENTER Legend FEMA preliminary floodway FEMA preliminary 100- year floodplain FEMA preliminary 500- year floodplain King County - Coal Mine lac yi 1.1}c1k}icio° I'+i 1 dtt !I1:'1 ht C SeaTac Tukwila ukwlla M1rikter !SI Tukwi la hlOthi King County The information bckided on the nmp has been compied ty King County staff from a variety of sources and a subject to change wthout notice. King County makes no representatbns orwarrarties, express or implied, as to accuracy, completeness, tinelness, or rights to the use of srchlnformatim. This cbcument is rot intended br use as a survey product. IGng County shall rot be liable for any general, special, indirect, inddental, or consequential damages indud'ng, but nct limited to, bst revenues or lost profit resulting from the use or misuse d the inforrnatbn curtained on this map. My sale of His map or information on this map is prohibted except by writen permission of Kirg County. Date: 9/21/2017 Notes: None Li King County GIS CENTER Legend Coal mine hazard (1990 SAO) King County -Aquifer bur 0r 4�f ktu 'tl Fir�i:,Iat; 1. rtJ St S 17 F/ r.. `.t Se aTac t1; ''; St ift S1 ; Tukwila King Counly The information nchrded on the map has bean compiled by King County staff from a variety of sources and subject to change wlthout notice. Kng County makes no representations or waratties, express or impfed, as to accuracy, completeness, timeliness, or rights to the use of such i nformaticn. This document is rot intended br use as a survey product. thng County shall rot be liable fcr any general, special, indirect, incidental, or consequential damages ndudng, but nd United to, lost revenues or but profits resulting from thous° or misuse d the information curtained on this map. My sale of this map or Informaticn on this maps prohldted except by wnten pernissicn of Klrg County. Date: 9/21/2017 Notes: None ►Ai King County GIS CENTER Legend III category 1 category 2 category 3 • • • Sole source aquifer Wellhead protection areas - one year time of travel Wellhead protection areas - five years time of travel Wellhead protection areas - ten years time of travel 1 1 1 1 t__' 1 ,2 1 1 i 111=12111 , 1 "l 1 t 1 1 1 1 1! 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Water Listing ID 8654 (view listing) Assessment UnIt ID17110013000014 Waterbody Nam.- Green River Parameter Bacteria Medium Water Listing It= 12569 (view listing) Assessment Unit ID 17110013000014 Waterbody Name: Green River Shardnr HIM tarp. 111 P Pondtk Ethan Allen W:0 Blvd Kohra'= upland f A1,ll,M Dr I ell,, n3 D, 5 180th SI .rack Dr Andover N UN EN -- -- 111111' IL;.1 1 1 APPENDIX F Operations and Maintenance Manual THIS PAGE INTENTIONALLY LEFT BLANK APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES NO. 2 - INFILTRATION FACILITIES Maintenance Component Defect or Problem Conditions When Maintenance Is Needed Results Expected When Maintenance Is Performed Site Trash and debris Any trash and debris which exceed 1 cubic foot per 1,000 square feet (this is about equal to the amount of trash it would take to fill up one standard size office garbage can). In general, there should be no visual evidence of dumping. Trash and debris cleared from site. Noxious weeds Any noxious or nuisance vegetation which may constitute a hazard to County personnel or the public. Noxious and nuisance vegetation removed according to applicable regulations. No danger of noxious vegetation where County personnel or the public might normally be. Contaminants and pollution Any evidence of contaminants or pollution such as oil, gasoline, concrete slurries or paint. Materials removed and disposed of according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface oil film. Grass/groundcover Grass or groundcover exceeds 18 inches in height. Grass or groundcover mowed to a height no greater than 6 inches. Infiltration Pond, Top or Side Slopes of Dam, Berm or Embankment Rodent holes Any evidence of rodent holes if facility is acting as a dam or berm, or any evidence of water piping through dam or berm via rodent holes. Rodents removed or destroyed and dam or berm repaired. Tree growth Tree growth threatens integrity of dams, berms or slopes, does not allow maintenance access, or interferes with maintenance activity. If trees are not a threat to dam, berm, or embankment integrity or not interfering with access or maintenance, they do not need to be removed. Trees do not hinder facility performance or maintenance activities. Erosion Eroded damage over 2 inches deep where cause of damage is still present or where there is potential for continued erosion. Any erosion observed on a compacted slope. Slopes stabilized using appropriate erosion control measures. If erosion is occurring on compacted slope, a licensed civil engineer should be consulted to resolve source of erosion. Settlement Any part of a dam, berm or embankment that has settled 4 inches lower than the design elevation. Top or side slope restored to design dimensions. If settlement is significant, a licensed civil engineer should be consulted to determine the cause of the settlement. Infiltration Pond, Tank, Vault, Trench, or Small Basin Storage Area Sediment accumulation If two inches or more sediment is present or a percolation test indicates facility is working at or less than 90% of design. Facility infiltrates as designed. Liner damaged (If Applicable) Liner is visible or pond does not hold water as designed. Liner repaired or replaced. Infiltration Tank Structure Plugged air vent Any blockage of the vent. Tank or vault freely vents. Tank bent out of shape Any part of tank/pipe is bent out of shape more than 10% of its design shape. Tank repaired or replaced to design. Gaps between sections, damaged joints or cracks or tears in wall A gap wider than %-inch at the joint of any tank sections or any evidence of soil particles entering the tank at a joint or through a wall. No water or soil entering tank through joints or walls. Infiltration Vault Structure Damage to wall, frame, bottom, and/or top slab Cracks wider than %-inch, any evidence of soil entering the structure through cracks or qualified inspection personnel determines that the vault is not structurally sound. Vault is sealed and structurally sound. 2016 Surface Water Design Manual — Appendix A A-3 4/24/2016 APPENDIX A MAINTENANCE REQUIREMENTS FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES 1--- NO.2 - INFILTRATION FACILITIES Maintenance Component Defect or Problem Conditions When Maintenance Is Needed Results Expected When Maintenance Is Performed Inlet/Outlet Pipes Sediment accumulation Sediment filling 20% or more of the pipe. Inlet/outlet pipes clear of sediment. Trash and debris Trash and debris accumulated in inlet/outlet pipes (includes floatables and non-floatables). No trash or debris in pipes. Damaged Cracks wider than 1/2-inch at the joint of the inlet/outlet pipes or any evidence of soil entering at the joints of the inlet/outlet pipes. No cracks more than %-inch wide at the joint of the inlet/outlet pipe. Access Manhole Cover/lid not in place Cover/lid is missing or only partially in place. Any open manhole requires immediate maintenance. Manhole access covered. Locking mechanism not working Mechanism cannot be opened by one maintenance person with proper tools. Bolts cannot be seated. Self-locking cover/lid does not work. Mechanism opens with proper tools. Cover/lid difficult to remove One maintenance person cannot remove cover/lid after applying 80 Ibs of lift. Cover/lid can be removed and reinstalled by one maintenance person. Ladder rungs unsafe Missing rungs, misalignment, rust, or cracks. Ladder meets design standards. Allows maintenance person safe access. Large access doors/plate Damaged or difficult to open Large access doors or plates cannot be opened/removed using normal equipment. Replace or repair access door so it can opened as designed. Gaps, doesn't cover completely Large access doors not flat and/or access opening not completely covered. Doors close flat; covers access opening completely. Lifting Rings missing, rusted Lifting rings not capable of lifting weight of door or plate. Lifting rings sufficient to lift or remove door or plate. Infiltration Pond, Tank, Vault, Trench, or Small Basin Filter Bags Plugged Filter bag more than 1/2 full. Replace filter bag or redesign system. Infiltration Pond, Tank, Vault, Trench, or Small Basin Pre - settling Ponds and Vaults Sediment accumulation 6" or more of sediment has accumulated. Pre -settling occurs as designed Infiltration Pond, Rock Filter Plugged High water level on upstream side of filter remains for extended period of time or little or no water flows through filter during heavy rain storms. Rock filter replaced evaluate need for filter and remove if not necessary. Infiltration Pond Emergency Overflow Spillway Rock missing Only one layer of rock exists above native soil in area five square feet or larger, or any exposure of native soil at the top of out flow path of spillway. Rip -rap on inside slopes need not be replaced. Spillway restored to design standards. Tree growth Tree growth impedes flow or threatens stability of spillway. Trees removed. 4/24/2016 A-4 2016 Surface Water Design Manual — Appendix A APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES NO. 31 - BIORETENTION BMP Maintenance Component Defect or Problem Conditions When Maintenance is Needed Results Expected When Maintenance is Performed Preventative Vegetation Vegetation to be watered and pruned as needed and mulch applied to a minimum of 2 inches to maintain healthy growth. Healthy vegetation growth with full coverage as designed. Bioretention Area Trash and debris Trash and debris in the bioretention area; leaf drop in the fall season. No trash or debris In the bioretention area. Sediment accumulation Sediment accumulation in the bioretention area interfering with infiltration. Water in the bioretention infiltrates as designed. Ponding Standing water in the bioretention area for more than two days. Standing water infiltrates at the desired rate. Inflow Inflow not getting into bioretention; debris/sediment blockage at inlet features; native soil is exposed or other signs of erosion damage is present. Unobstructed and properly routed inflow into bioretention area; inlet is stabilized and appropriately armored. Overflow outlet Overflow water not controlled by outlet features; native soil is exposed or other signs of erosion damage is present. Outlet features control overflow; overflow is stabilized and appropriately armored. Underdrain Underdrain is not flowing when bioretention area has been infiltrating water. Underdrain flows freely when water is present. Vegetation Plant health Plants not thriving across at least 80% of the entire design vegetated area within the BMP; overly dense vegetation requiring pruning. Healthy water tolerant plants in bioretention area, plants thriving across at least 80% of the entire design vegetated area within the facility. Plant species Plants not water tolerant species. Plants are water tolerant. Weeds Weeds growing in bioretention area. No weeds in bioretention area. Watering Planting schedule requires frequent watering (approx. weekly Year 1, bimonthly Years 2 and 3) for new facilities, and as needed for established plantings or dry periods Plants are established and thriving Pest Control Signs of pests, such as wilting or chewed leaves or bark, spotting or other indicators; extended ponding period encouraging mosquitoes Plant community is pest -free when following an approved Integrated Pest Management plan; bioretention functioning normally and ponding controlled as needed for pest control Containment Berm and Earthen Slopes Erosion; Erosion occurring at earthen slopes or containment berm side slope. Erosion on the containment berm and side slopes has been repaired and the cause of the erosion corrected. Voids created by nuisance animals (e.g., rodents) or tree roots Voids affecting berm integrity or creating leaky pond condition Voids have been repaired; facility is free of nuisance animals following an approved Integrated Pest Management plan. Settlement Any part of the containment berm top has less than 6 inches of freeboard from the maximum pond level to the top of the berm. A minimum of 6 inches freeboard from the maximum pond level to the top of the berm. Amended Soil Soil nutrients Soil not providing plant nutrients. Soil providing plant nutrients. Bare spots Bare spots on soil in bioretention area. No bare spots, bioretention area covered with vegetation or mulch mixed into the underlying soil. Compaction Poor infiltration due to soil compaction in the bioretention area. No soil compaction in the bioretention area. Inspection Frequency Annually and after large storms, and as needed seasonally for pruning, plant maintenance, pest control and to control leaf drop, evergreen needles etc. Bioretention facility is functioning normally; plant community is thriving and pest -free. 2016 Surface Water Design Manual — Appendix A A-39 4/24/2016 City of Tukwila Endangered Species Act Screening Checklist Date: September 26, 2017 Applicant Name: H i g h l i n e Water District Street Address: 23828 30th Avenue S. City, State, Zip: Kent, WA 98032 Telephone: (206) 824-0375 DIRECTIONS: This Screening Checklist has been designed to evaluate the potential for your project to result in adverse effects to salmonids - Chinook, Coho, Cutthroat trout or char - as defined by Section 9 of the Endangered Species Act (ESA). If potential effects are identified, the project may need further evaluation. Please review and answer each question carefully. Consider all phases of your project including, but not limited to, construction, normal operation, potential emergency operation, and ongoing and scheduled maintenance. To answer these questions, you may need to refer to site plans, grading and drainage plans, critical areas studies, or other documents you have prepared for your project. The City will evaluate your responses to determine if additional action is indicated. fECEIVE OCT 09 2017 Community Development W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc If ESA listed species are present or ever were present in the watershed where your project will be located, your project has the potential to affect them, and you need to comply with the ESA. The questions in this section will help determine if the ESA listings will impact your project. For more information on potential salmonid presence in your project area contact the Washington Department of Fish and Wildlife Habitat Biologist for your region, Washington Department of Fish and Wildlife or use the SalmonScape tool, WDFW SalmonScape. 1. Are ESA listed salmonids currently present in the watershed within which your project will be located? Yesn Non Please describe. The project is within the Duwamish-Green River watershed. The Duwamish-Green River contains salmonids, including (per Washington Department of Fish and Wildlife (WDFW) Salmonscape) fall Chinook documented rearing, fall chum documented presence, Pink Odd Year documented presence, summer/winter steelhead documented presence, Dolly Varden/Bull Trout documented presence, Coho documented rearing, and sockeye documented presence. 2. Has there ever been an ESA listed salmonid stock present in this watershed? Yes n Non Uncertainty Please describe. See above. If you answered "yes" to either of the above questions you should complete the remainder of this checklist. WAAPPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS \SEPA Environmental Review Application FINAL 5-9-16.doc City of — 'cwila ESA Screening Checklist Part A - PROJECT SPECIFICS: P.,ject and Vicinity 1. Name of watershed: D u wa m i s h- G re e n 2. Name of nearest water body: Gilliam Creek 3. What is the distance from this project to the nearest body of water? 1,940 ft (0.37 m i) 4. What is the current land use between the project and the potentially affected water body (parking lots, farmland, etc)? Residential 5. Is the project above a: • Natural permanent barrier (waterfall) • Natural temporary barrier (beaver pond) • Man-made barrier (culvert, dam) • Other (explain): Yesfl No.J✓ Yes, j No Yes 'FL No1=11 6. If answered Yes in #5, are there any resident salmonid populations above the blockage? Yes) Non_ Don't know \\citystore\City Common\Teri - DCD\Kirby\SEPA to fix\SEPA Environmental Review Application FINAL 5-9-16.docx W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONSISEPA Environmental Review Application FINAL 5-9-16.doc "ity of Tukwila ESA Screening Checklist , Part B - Project Specifics: Grading and Land Alteration 1. Does the project involve grading or land alteration of any kind? Yes_51 No n If your project DOES NOT involve grading please skip to Part C. 2. Will the project involve the modification of a watercourse bank between Ordinary High Water (OHW) and the top of the bank? If yes, which water course? This includes any W. rading on any slope leading to a river or stream, but does not require work below OH YesjILNo h 3. Will the project involve the modification of a watercourse bank or bottom below OHW? If yes, please explain. Yesrl No 4. Could the construction, operation, or maintenance of equipment for the project result in sediment transport off site or increased rates of erosion and/or sedimentation in watercourses? If no, please explain. Most projects involving grading have the potential to result in increased erosion and/or sedimentation as a result of land disturbance. YesI6allo [ 1 5. If the project involves grading, have you prepared a Temporary Erosion and Sedimentation Control Plan? Yes11 No ❑ If no, are you exempt under TMC 16.54.90? Yesil No 6. Will the project result in new impervious services? Include all hard surface are such as rooftops, asphalt or concrete pavin , compacted surfaces, etc. YesJ1 No 7. What percent of the project will be impervious surface (including pavement & roof area)? 42 percent W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc City of 'cwila ESA Screening Checklist Part C — Project Specifics: Water Quality 1. Will the project generate stormwater from the creation of impervious surfaces that will not be infiltrated on site? Please explain. For the purpose of this analysis, infiltration includes the use of a stormwater treatment and management system intended to contain all stormwater on site by allowing it to seep into the ground. Yes 1No 4 2. Will the project result in the processing or handling, storage, or treatment of hazardous substances? This does not include fuel properly stored in a vehicle fuel tank, but does include fuel or other chemicals stored on -site during construction. Yes ! I No n 3. Will the project require long-term or re -occurring maintenance requiring the use of fertilizers, pesticides, or other chemicals? This may include landscape maintenance, bridge or parking lot cleaning, ice removal/melt, repeated chemical vegetation clearing, etc. Yes n No 4. Will turbidity be increased during construction or operation of the project? Please explain any measures to be taken to ensure turbidity is not increased. Construction near the water or below OHW often will increase turbidity, both on -site and downstream. Yes n No 0 Measures as described in the TESC Plan will ensure that turbidity is not significantly increased. 5. Will the project either reduce or increase shade along or over a water body? Removal of trees/vegetation or the building of over -water structures (docks or floats) will often result in a change to shade. Yes U No ✓ 6. Will the project require debris removal from below OHW of a water course? Debris includes, but is not limited to, fallen trees, logs, shrubs, rocks, piles, riprap, submerged metal, broken concrete, pipes, or other construction material. Yes n No W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc ^ity of Tukwila ESA Screening Checklist . Part D — Project Specifics: Flow Alterations and Fish Migration 1. Will the project involve the direct alteration of the channel or bed of a water course? This includes both tempor and ermanent modifications. If yes, please explain. YesjINoJ V 2. Will the project involve any physical alteration to a wetland which is connected to a water course? Few wetlands are isolated, most contain either surface or subsurface connection to a flowing water course. Yesj1No 3. Will water be rerouted, either temporarily or permanently as a result of the project? If yes, please explain. YesJ1 No n 4. Will a. culvert be installed or removed as part of this project? Yesil No n 5. Will the project require withdrawal of surface water? If yes, please include amount and name or water body. YesJI No n 6. Will the project result in the withdrawal, injection, or interception or groundwater? Examples of projects that might affect groundwater include, but are not limited to, construction of a new well, changes in withdrawal from an existing well, projects involving prolonged dewatering, installation of French drains, swales, or sewer lines. Projects that require a geotechnical report ursuant to TMC 18.45.060 should answer Yes. YeS jallo h 7. Will topography changes on the site affect the duration/direction of surface runoff flows? If yes, please describe chan ' es. Yes]T No 8. Will the project include bank stabilization? If yes, explain. Bank stabilization includes, but is not limited to, riprap, rock logs, soil, vegetated revetments, concrete structures, or similar. Yes]fl No F/1 9. Will there be retention or detention ponds? If yes, will this be an infiltration pond or a surface discharge to either a municipal storm water system or a surface water body? Yes n No E1 Infiltration pond 10. Will the project involve any reduction of the floodplain or floodway by filling or other partial blockage of flows? If yes, how will the loss of flood storage be mitigated by your project? Yes n No n 11. Will project include the construction of a new wetland or waterway that is connected by surface flow to an existing waterway that contains salmonids? Yes 7 Non W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc City of cwila ESA Screening Checklist Part E — Project Specifics: Vegetation 1. Will the project involve the removal of any vegetation? If yes, please describe existing conditions and the amount ancilr e of vegetation to be removed. Yes F1 No Landscaping along the rear property line, primarily small trees and shrubs encompassing approximately 600 sf, will be removed and replaced per the approved Landscaping Plan. One significant tree will be retained. 2. Will the project involve the removal of any vegetation within 200 feet of OHW of a water course? If yes, please describe type, size, method, and amount of vegetation to be removed. A tree is defined by TMC 18.06.845 as any self-supporting woody plant, generally characterized by one main trunk, with a potential diameter o 2inches or more at breast height and a minimum height of 10 feet. Yes No ✓ 3. If ve Yes etation is to be removed, do you plan to mitigate by replanting? Please explain. No n Vegetation will be removed and replaced with plants designed to provide greater screening and security. Landscaping is expected to enhance vegetative functions, thus no net Toss of vegetation will occur. W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16;doc SEPA Checklist STATE ENVIRONMENTAL POLICY ACT CHECKLIST Please respond to all questions. Use separate sheets as necessary„ Department of Ecology provides a guidance on filling the SEPA checklist at Department of Ecology Applicant Responses: A. BACKGROUND 1. Name of proposed project, if applicable: Pump Station No. 8 2. Name of Applicant:: Highline Water District 3. Date checklist prepared: September 26, 2017 4. Agency requesting checklist: City of Tukwila 5. Proposed timing or schedule (including phasing, if applicable): Construction is expected to begin in early 2018 and last approximately 6 -7 months. 6. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. No. 7. List: any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. None known. 8. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? If yes, explain. None known. Agency Comments \\citystore\City Common\Teri - DCD\Kirby\.SEPA to fix\SEPA Environmental Review Application FINAL 5-9-16.docx W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 9. List any government approvals or permits that will be needed for your proposal. Unclassified Use Permit - City of Tukwila (Tukwila) SEPA Review - Tukwila Construction Permit - Tukwila Drainage and Site Development Review - Tukwila Design Review - Tukwila Right -of -Way (ROW) Use Permit - City of SeaTac (SeaTac) 10. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. There are several questions later in this checklist that ask you to describe certain aspects of your proposal. You do not need to repeat those answers on this page. Pump Station No. 8 (PS8) is proposed as a two-story structure with an approximately 1,300 square foot (sf) footprint. The bottom level would be below grade and contain the pump room, while the upper level would be at grade and house electrical and control equipment. Work would also include installation of a flow meter vault, an electrical generator, a paved access driveway and parking, site landscaping, and site utility piping. Approximately 1,350 linear feet of 24-inch water main will be installed within the ROW of 42nd Avenue S and through private easement to connect to Military Road S. 11. Location of the proposal. Give sufficient information for a person to understand the precise location of your proposed project, including a street address, if any, the tax lot number, and section, township, and range. If a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic map, if reasonably available. While you should submit any plans required by the agency, you are not required to duplicate maps or detailed plans submitted with any permit applications related to this checklist. Improvements will primarily occur on Parcel No. 537980-0009, located at 16032 42nd Avenue S, within Tukwila. Utility work will also take place with the ROW of 42nd Avenue S and within private easement in the City of SeaTac. 12. Does the proposal lie within an area designated on the City's Comprehensive Land Use Policy Plan Map as environmentally sensitive? Yes. Part of the site lies within slope classification zone 2, meaning landslide potential is moderate (slope is between 15 and 40 percent and underlain by relatively permeable soils). W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS`SEPA Environmental Review Application FINAL 5-9-f6.doc SEPA Checklist Please respond to all questions. Use separate sheets as necessary. Applicant Responses: B. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site (circle one mountainous, other: oiling, hilly, steep slopes, b. What is the steepest slope on the site (approximate percent slope)? The steepest slope is approximately 30 percent near the property edges. c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any prime farmland and whether the proposal results in removing any of these soils. Sandy gravelly silt underlain by fine to medium sand with gravel. d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. No. e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. The portion of the project in Tukwila will involve approximately 52 cubic yards (cy) of cut and 59 cy of fill. An additional approximately 450 cy will be excavated for the building and vault. Total site disturbance is anticipated to be approximately 6,920 sf. Water main installation in SeaTac will require an additional approximately 10,800 sf of disturbance in 42nd Avenue S ROW and private easements, and approximately 1,.500 cy of total trench excavation and backfill. Agency Comments W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\.SEPA Environmental Review Application FINAL 5-9-16.doc Please respond to all quest—i s. Use separate sheets as necessary. Applicant Responses: f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. Erosion could occur as a result of construction of the proposed improvements. Temporary erosion and sediment control (TESC) measures will be implemented to minimize the risk of erosion. g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? Impervious surfaces on the site will total approximately 4,270 sf after project construction, encompassing 42 percent of the site. h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: During construction, appropriateTESC measures will be implemented to limit the potential for erosion resulting directly from construction activities (e.g., limit clearing, proper soil cover, dust control, inlet protection, etc,.). A Stormwater Pollution Prevention Plan (SWPPP) will be included on the Design Plans to address erosion control planning for the project. The finished project is not expected to result in erosion. 2. Air a. What types of emissions to the air would result from the proposal (for example, dust, automobile odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. Temporary exhaust and dust emissions from construction equipment and vehicles is anticipated during construction. No emissions to the air are anticipated as a result of the completed project. b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally describe. No. SEPA Checklist Agency Comments W:WPPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc Please respond to all questions. Use separate sheets as necessary. Applicant Responses: c. Proposed measures to reduce or control emissions or other impacts to air, if any: Construction equipment and vehicles shall conform with Washington State standards for air quality, including using properly functioning equipment and vehicles that have passed emissions testing, using clean -burning fuels when possible, limiting diesel exhaust, limiting vehicle idling, etc. Best Management Practices (BMPs) to reduce and control air emissions will be included in the SWPPP on the Design Plans. 3. Water a. Surface: 1. Is there any surface water body on or in the immediate vicinity of the site (including year-round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. The nearest water body is Gilliam Creek, a tributary of the Green River, located over 0.35 miles from the project site. 2. Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. No. 3. Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. None. 4. Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities, if known. No. SEPA Checklist Agency Comments W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc Please respond to all quesuoIs. Use separate sheets as necessary. Applicant Responses: 5. Does the proposal lie within a 100-year floodplain? If so, note location on the site plan. No. 6. Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. No. b. Ground: 1. Will groundwater be withdrawn from a well for drinking water or other purposes? If so, give a general description of the well, proposed uses and approximate quantities withdrawn from the well? Will water be discharged to groundwater? Give general description, purpose, and approximate quantities if known. No. 2. Describe waste materials that will be discharged into the ground from septic tanks or other sources, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural; etc). Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve: None. SEPA Checklist Agency Comments w:WPPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc Please respond to all questions. Use separate sheets as necessary. Applicant Responses: c. Water Runoff (including storm water): l.. Describe the source of runoff (including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow? Will this water flow into other waters? If so, describe. Runoff generally flows to the northeast on the project parcel. Low impact development (LID) will be required to infiltrate stormwater on site. Runoff from impervious surfaces is anticipated to be collected in rain gardens, retaining the stormwater on site and recharging groundwater. 2. Could waste materials enter ground or surface waters? If so, generally describe. No. 3. Does the proposal alter or otherwise affect drainage patterns in the vicinity of the site? If so, describe. Drainage patterns will remain essentially the same. More runoff may , be retained on site as a result of LID rain gardens. d. Proposed measures to reduce or control surface, ground, and runoff water, and drainage pattern impacts if any: Stormwater BMPs will be implemented to ensure that there are no adverse impacts to surface, ground, or runoff water. Site grading will retain stormwater on site. Runoff will be collected in rain gardens, which will reduce the impacts of erosion and recharge groundwater. SEPA Checklist Agency Comments W:\APPLICATTONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS \ SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist Please respond to all quesu ns. Use separate sheets as necessary. Applicant Responses: 4. Plants a. Check or circle types of vegetation found on the site: Deciduous tree: alder, maple, aspen, other Evergreen tree: fir, cedar, pine, other X Shrubs X Grass Pasture Crop or grain Wet soil plants: cattail, buttercup, bulrush, skunk cabbage, other Water plants: water lily, eelgrass, milfoil, other Other types of vegetation b. What kind and amount of vegetation will be removed or altered? Existing landscaping along the rear property line may be modified during site preparation and grading. Landscaping will be enhanced per the approved Landscaping Plan. c. List threatened or endangered species known to be on or near the site. Based on a review of Washington Department of Fish and Wildlife's (WDFW) Priority Habitat and Species (PI -IS) data, Washington Department of Natural Resources' (WDNR) Natural Heritage Features, and US Fish and Wildlife Service's (USFWS) Endangered Species Act (ESA) listings, no threatened or endangered plant species are present on or near the project site. d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: Perimeter landscaping, including 15-foot front and 10-foot rear and side landscaping, is proposed. Plantings will include a mix of native and ornamental trees, shrubs, and ground cover to provide habitat, visual interest, and a transition to adjacent properties. Rain gardens will be planted with appropriate aquatic species and provide additional habitat potential. e. List all noxious weeds and invasive species known to be on or near the site. None known. Agency Comments W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 5. Animals a. List any birds or animals which have been observed on or near the site or are known to be on or near the site: Birds: Hawk, heron, eagle, songbirds other: Mammals: Deer, bear, elk, beaver, o is er: Fish: Bass, salmon, trout, herring, shellfish, other: Other: b. List any threatened or endangered species known to be on or near the site. Based on a review of WDFW's PHS data and USFWS ESA listings, no threatened or endangered animal species are present on or near the project site. c. Is the site part of a migration route? If so, explain. The entire region is part of the Pacific Flyway for migratory birds. d. Proposed measures to preserve or enhance wildlife, if any: Site landscaping will provide additional cover, food sources, and habitat for species such as birds, insects, and small mammals. e. List any invasive animal species known to be on or near the site: None known. 6. Energy and Natural Resources a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. The booster pump station will be powered by electric energy primarily. A backup engine generator (EG) will be used in case of power failure. W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc Please respond to all ques ns. Use separate sheets as necessary. Applicant Responses: b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. No. c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: The pumps will have premium efficiency motor and will be equipped with Variable Frequency Drives to reduce the in -rush current. LED lights with motion sensor will be used in the pump station. 7. Environmental Health a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. No. 1. Describe any known or possible contamination at the site from present or past uses. The site was previously a residential property. No contamination is known or anticipated. SEPA Checklist Agency Comments 2. Describe existing hazardous chemicals/conditions that might affect project development and design. This includes underground hazardous liquid and gas transmission pipelines located within the project area and in the vicinity. There is always a potential of encountering gas pipelines within the ROW during utility installations. The project has been designed to avoid these pipelines. 3. Describe any toxic or hazardous chemicals that might be stored, used, or produced during the project's development or construction, or at any time during the operating life of the project. Construction of the project elements will utilize oil and gas -fueled equipment, and may require temporary fuel storage on site. These uses do carry some risk of spill; however, the risk should be minimized with the implementation of spill control methodologies as outlined in the project SWPPP, technical specifications, and in accordance with Washington State pollution control standards. w:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 4. Describe special emergency services that might be required. None anticipated. 5. Proposed measures to reduce or control environmental health hazards, if any: None proposed. b. Noise 1. What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? Traffic noise exists at the project site but is not expected to affect the project. 2. What types and levels of noise would be created by or associated with the project on a short-term or long-term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would come from the site. Temporary construction noise would occur with the project. The contractor will need to follow the Tukwila's Noise Ordinance (Tukwila Municipal Code (TMC) Chapter 8.22), including controlling the level and timing of noise generated during construction. Noise generated during normal operation from the completed improvements is anticipated to be minimal; pumps will be enclosed within the pump station structure and under grounded. The EG will produce noise only in the event of a power outage or during routine exercise, which will average approximately 74 dB(A) at full power. 3. Proposed measures to reduce or control noise impacts, if any: The pump station will be constructed partially below grade. Pumps will be fully below grade and enclosed in the structure to reduce noise and vibration impacts to surrounding properties. The EG will be housed in a Quiet Site II Second Stage enclosure, which provides the greatest level of noise attenuation. The EG will require exercise on a semi -regular basis; this will occur only during daytime hours and comply with the Tukwila's Noise Ordinance. W:WPPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc Please respond to all quesuons. Use separate sheets as necessary. ' ' Applicant Responses: 8. Land and Shoreline Use a. What is the current use of the site and adjacent properties? Will the proposal affect current land uses on nearby or adjacent properties? If so, describe. The site is currently vacant land surrounded by single-family residential properties to the north and south, and Crestview Park to the east. The proposal will not affect current land uses on nearby properties. b. Has the project sire been used as working farmlands or working forest lands? If so, describe. How much agricultural or forest land of long-term commercial significance will be converted to other uses as a result of the proposal, if any? If resource lands have not been designated, how many acres in farmland or forest land tax status will be converted to nonfarm or nonforest use? No. 1. Will the proposal affect or be affected by surrounding working farm or forest land normal business operations, such as oversize equipment access, the application of pesticides, tilling, and harvesting? If so, how: No. c. Describe any structures on the site. None. d. Will any structures be demolished? If so, what? A house was demolished prior to this proposal. No structures will be demolished as a result of the proposed project. SEPA Checklist Agency Comments W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc Please respond to all questions. Use separate sheets as necessary. Applicant Responses: e. What is the current zoning classification of the site? Low Density Residential (LDR) f. What is the current comprehensive plan designation of the site? LDR g. [f applicable, what is the current shoreline master program designation of the site? N/A h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify. Yes. Per the Tukwila's Sensitive Areas Map, part of the site lies within slope classification zone 2, meaning landslide potential is moderate (slope is between 15 and 40 percent and underlain by relatively permeable soils). i. Approximately how many people would reside or work in the completed project? The site would be accessed by workers for normal maintenance on a weekly basis. There will be no permanent workers on site. SEPA Checklist Agency Comments W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\.SEPA Environmental Review Application FINAL 5-9-16.doc Please respond to all quesuuns. Use separate sheets as necessary. Applicant Responses: j. Approximately how many people would the completed project displace? None. The house that previously existed on the property was vacant. k. Proposed measures to avoid or reduce displacement impacts, if any: N/A 1. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: Since the project proposes a water pump station within the LDR Zone, an Unclassified Use Permit will be obtained before construction begins, and the proposal will go through a public hearing process with Tukwila Council approval. The project will comply with all conditions of the issued permit. m. Proposed measures to ensure the proposal is compatible with nearby agricultural and forest lands of lon-termcommercial significance, if any: N/A SEPA Checklist Agency Comments W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONSISEPA Environmental Review Application FINAL S-9-16.doc SEPA Checklist Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 9. Housing a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing? None. b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income housing. One single-family residence was eliminated prior to this proposal under a Tukwila Demolition Permit. The house was derelict, vacant, and unfit for habitation. c. Proposed measures to reduce or control housing impacts, if any: None. 10. Aesthetics a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed? The height of the pump station is anticipated to be approximately 10 feet above grade with sloped roof. The highest point of the roof will be approximately 17 feet above grade. The building material will be composed of cement board siding to mimic the surrounding residential feel. b. What views in the immediate vicinity would be altered or obstructed? None. W;\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc c. Proposed measures to reduc.,r control aesthetic impacts, if any: SEPA Checklist PS8 has been designed to harmoniously integrate with the surrounding residential properties. The pump station building has been designed to resemble a single-family home, and the perimeter will be fenced in classic wrought iron style. Landscaping will provide screening, visual interest, and "green" areas. Overall, the completed project is expected to provide an aesthetic uplift to the neighborhood. 11. Light and Glare a. What type of light or glare will the proposal produce? What time of day would it mainly occur? The proposal will use LED lighting with motion detectors during the evening and night, which will power down to half -strength when there is no motion in the area. Lighting features will be directed downward and no Tight will spill over to adjacent properties. Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments b. Could light or glare from the finished project be a safety hazard or interfere with views? No. c. What existing off -site sources of light or glare may affect your proposal? None. d. Proposed measures to reduce or control light and glare impacts, if any: Light will be hooded and directed downward and away from adjacent residential properties to prevent any glare impacts. WAAPPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATION,S\SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 12. Recreation a. What designed and informal recreational opportunities are in the immediate vicinity? Crestview Park, just east of the project site, offers a picnic area, paved walkway, a maze, playground, and open space for playing games and sports. b. Would the proposed project displace any existing recreational uses? If so, describe. The park would not be affected by the proposed project. c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: None proposed. 13. Historic and Cultural Preservation a. Are there any buildings, structures, or sites located on or near the site that are over 45 years old listed in or eligible for listing in national, state or local preservation registers located on or near the site? If so, specifically describe. No. The closest historic register property is the James Nelsen House, located approximately 1.5 miles to the east of the project site. W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist b. Are there any landmarks, f :..Lures, or other evidence of Indian or his 'u..tc use or occupation. This may include human burials or old cemeteries. Are there any material evidence, artifacts, or areas of cultural importance on or near the site? Please list any professional studies conducted at the site to identify such resources. No. The Department of Archaeology and Historic Preservation's (DAHIP) predictive model shows the project area within an area of low to moderate risk of uncovering archaeological resources. The project site is located within a highly urbanized area and has been previously developed. It is unlikely that historic artifacts would be discovered on the site. c. Describe the methods used to assess the potential impacts to cultural and historic resources on or near the project site. Examples include consultation with tribes and the department of archeology and historic preservation, archaeological surveys, historic maps, GIS data, etc. Review of state data records and historic property inventory records in the vicinity of the proposed improvements. Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments d. Proposed measures to avoid, minimize, or compensate for loss, changes to, and disturbance to resources. Please include plans for the above and any permits that may be required. Design specification shall utilize standard Inadvertent Discovery Protocol language to guide the contractor if any artifacts or remains are inadvertently discovered. 14. Transportation a. Identify public streets and highways serving the site or affected geographic area, and describe proposed access to the existing street system. Show on site plans, if any. The site can be accessed off of 42nd Avenue S in SeaTac. W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments b. Is the site or affected geographic area currently served by public transit? If not, what is the approximate distance to the nearest transit stop? Yes. King County Metro line 156 stops along S 146th Street and Military Road S. The closest stop to the project site is approximately 0.3 miles to the south. c. How many parking spaces would the completed project or non -project proposal have? How many would the project eliminate? The completed project would have one parking space and would not eliminate any parking spaces. d. Will the proposal require any new or improvements to existing roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private). No. Utility pipe installed within 42nd Avenue S will necessitate roadway restoration, but no other roadway improvements are planned. e. Will the project or proposal use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. No. f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur and what percentage of the volume would be trucks (such as commercial and nonpassenger vehicles). What data or transportation models were used to make these estimates? None. The site will be accessed infrequently by maintenance staff. W:\APPLICATTONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist g. Will the proposal interfere with, affect or be affected by the movement of agricultural and forest products on roads or streets in the area? If so, generally describe. No. h. Proposed measures to reduce or control transportation impacts, if any: None proposed. 15. Public Services a. Would the project result in an increased need for public services (for example: fire protection, police protection, public transit, health care, schools, other)? If so, generally describe. No. b. Proposed measures to reduce or control direct impacts on public services, if any. None proposed. 16. Utilities a. Circle utilities currently available at the site: efuse service -lephone, eptic system other: b. Describe the utilities that are proposed for the project, the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. Water main will be installed to connect the proposed pump station to the District's greater water supply system. W:WPPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist (NON -PROJECT PROPOSALS (E.G., SUBURBAN PLANS AND ZONING CODE TEXT CHANGES) MUST COMPLETE THE FOLLOWING PAGES). C. SUPPLEMENTAL SHEET FOR NON -PROJECT PROPOSALS (do not use this sheet for project actions) Because these questions are very general, it may be helpful to read them in conjunction with the list of elements of the environment. When answering these questions, be aware of the extent the proposal, or the types of activities likely to result from the proposal, would affect the item at a greater intensity or at a faster rate than if the proposal were not implemented. Respond briefly and in general terms. Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 1. How would the proposals be likely to increase discharge to water; emissions to air; production, storage, or release of toxic or hazardous substances; or production of noise? Proposed measures to avoid or reduce such increases are: 2. How would the proposal be likely to affect plants, animals, fish, or marine life? Proposed measures to protect or conserve plants, animals, fish, or marine life are: W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONSISEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist Please respond to all quesuns. Use separate sheets as necessary. Applicant Responses: 3. How would the proposal be likely to deplete energy or natural resources? Proposed measures to protect or conserve energy and natural resources are: 4. How would the proposal be likely to use or affect environmentally sensitive areas or areas designated (or eligible or under study) for governmental protection; such as parks, wilderness, wild and scenic rivers, threatened or endangered species habitats, historic or cultural sites, wetlands, floodplains, or prime farmlands? Proposed measures to protect such resources or to avoid or reduce impacts are: 5. How would the proposal be likely to affect land and shoreline use, including whether it would allow or encourage land or shoreline uses incompatible with existing plans? Agency Comments W:\APPLICATTONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc SEPA Checklist Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Proposed measures to avoid or reduce shoreline and land use impacts are: 6. How would the proposal be likely to increase demands on transportation or public service and utilities? Proposed measures to reduce or respond to such demand(s) are: 7. Identify, if possible, whether the proposal may conflict with Local, State, or Federal laws or requirements for the protection of the environment. D. SIGNATURE Agency Comments Under the penalty of perjury the above answers under ESA Screening Checklist and State Environmental Policy Act Checklist are true and complete to the best of my knowledge. I understand that the lead agency is relying on them to make its decision. Signature: _ ajlCl��2Ya Date Submitted: October 5, 2017 W:\APPLICATIONS - Land Use Apps & Handouts\CURRENT LAND USE APPLICATIONS\SEPA Environmental Review Application FINAL 5-9-16.doc CITY Ur'' TUKWILA Department of Community Development 6300 Southcenter Boulevard, Ste 100 Tukwila, WA 98188 Telephone: (206) 431-3670 SEPA ENVIRONMENTAL REVIEW APPLICATION FOR STAFF USE ONLY Permits Plus TYPE: P-SEPA Planner: . �t; (PRgto 5 File Number: E '-CO `� Application Complete Date: II ii 2617 Project File Number: A /CIJ ,O1 V Application Incomplete Date: Other File Numbers: NAME OF PROJECT/DEVELOPMENT: Pump Station No. 8 BRIEF DESCRIPTION OF SCOPE OF WORK: Construct a 1,300 sf water pump station and related improvements. This application requires public notice. Please see section 7 of the application checklist. LOCATION OF PROJECT/DEVELOPMENT: Give street address or, if vacant, indicate lot(s), block and subdivision, access street, and nearest intersection. 16032 42nd Avenue S LIST ALL TAX LOT NUMBERS (this information may be found on your tax statement). Parcel No. 537980-0009 and Public Right -of -Way (ROW) DEVELOPMENT COORDINATOR/ PROJECT CONTACT: The individual who: • has decision making authority on behalf of the owner/applicant in meetings with City staff, • has full responsibility for identifying and satisfying all relevant and sometimes overlapping development standards, and • is the primary contact with the City to whom all notices and reports will be sent. • PLEASE PRINT CLEARLY Name: Alicia Pettibone Address: 22722 29th Drive SE, Suite 210 CITY, ST, zip Bothell, WA 98021 Email: apettibone@rh2.com Fic.-CEIVED ocT092011 Comm DPvelopn1eunitynt Phone: (425) 951-5436 Signature: _ tiela\av4 Date: October 5, 2017 \\citystore\City Common\Teri - DCD\Kirby\SEPA to fix\SEPA Environmental Review Application FINAL 5-9-16.docx Check items submitted with application Information P uired. May be waived in unusual cases, ,. ' i approval of both Public Works and Planning PROJECT DESCRIPTION AND ANALYSIS: V 9. Vicinity Map with site location. ✓ 10. Provide four (4) copies of any sensitive area studies such as wetland or geotechnical reports if needed per Tukwila's Sensitive Areas Ordinance (TMC 18.45). See the Geotechnical Report Guidelines and Sensitive Area Special Study Guidelines for additional information. 11. Any drawings needed to describe the proposal other than those submitted with the underlying ermit. Maximum size 24" x 36". \\citystore\City Common\Teri - DCD\Kirby\SEPA to fix\SEPA Environmental Review Application FINAL 5-9-I6.docx COMPLEAPPLICATION CHE(LIST The materials listed below must be submitted with your application unless specifically waived in writing by the Public Works Department and the Department of Community Development. Please contact each Department if you feel that certain items are not applicable to your project and should be waived. Application review will not begin until it is determined to be complete. ADDITIONAL MATERIALS MAY BE REQUIRED. The initial application materials allow project review to begin and vest the applicant's rights. However, the City may require additional information as needed to establish consistency with development standards. City staff are available to answer questions about application materials at 206-431-3670 (Department of Community Development) and 206-433-0179 (Depattttient of Public Works). Check items submitted with application Information Required. May be waived in unusual cases, upon approval of both Public Works and Planning APPLICATION MATERIALS: ✓ 1. Application Checklist (1 copy) indicating items submitted with application. ✓ 2. Completed ESA Screening Checklist, SEPA Environmental Checklist and drawings (5 copies). ✓ 3. One set of all plans reduced to 8 1/2" x 11" or 11" x 17". ✓ 4. Application Fee: See Land Use Fee Schedule. ✓ 5. Underlying permit application that triggers SEPA review. PUBLIC NOTICE MATERIALS: 6. Payment of notice board fee (see Land Use Fee Schedule) to FastSigns OR provide a 4' x 4' public ✓ notice board on site within 14 days of the Department determining that a complete application has been received (see Public Notice Sign Specifications Handout). 7. Pay the fee as established by the Land Use Fee Schedule for generating mailing labels; OR provide an ✓ excel spreadsheet of mailing labels for all property owners and tenants (residents and businesses) within 500 feet of the subject property. Each unit in multiple family buildings e.g. apartments, condos, trailer parks --must be included. Once your project is assigned to a planner, you will be required to provide an electronic copy of the mailing label spreadsheet in the following format: Name, Street Address, City St Zip, with each of these fields as an individual column: Name Street Address City, St, Zip Mr. Smith 1234 Park Ave S Tukwila WA 98188 PLEASE NOTE: Regardless of whether you pay the City to generate the mailing labels or you provide them, there is an additional fee for postage and material as listed under Public Notice Mailing Fee on the Land Use Fee Schedule. Payment of this fee is due prior to issuance of the decision and you will receive a separate bill for this fee. 8. If providing own labels, include King County Assessor's map(s) which shows the location of each ✓ property within 500 ft. of the subject lot. F1 -EFVEL OCT 0 9 2011 Community Development \\citystore\City Common\Teri - DCD\Kirby\SEPA to fix\SEPA Environmental Review Application FINAL 5-9-I6.docx CAT OF TUKWILA Department of Community Development 6300 Southcenter Boulevard, Ste 100 Tukwila, WA 98188 Telephone: (206) 431-3670 SEPA ENVIRONMENTAL REVIEW INFORMATION The State Environmental Policy Act (SEPA) requires all agencies to consider the environmental impacts of a development before making decisions (43.21C RCW). The purpose of environmental review is to identify a proposal's significant adverse impacts, measures to minimize or avoid such impacts, and allow wide public review for a wide range of projects. REQUIREMENTS: SEPA review is required for any action associated with the following types of decisions: 1. Developing 10 or more dwelling units. 2. Developing agricultural structures over 10,000 s.f. 3. Developing office, school, commercial, recreational, service or storage buildings over 12,000 s.f. and 40 parking spaces (certain utility lines, personal wireless communication facilities, and normal maintenance/replacement activities are fully exempt). 4. Developing parking lots with over 40 spaces. 5. Landfills and excavations over 500 cubic yards. 6. Installation of impervious underground tanks with a capacity over 10,000 gallons. The accompanying application must be completed for any new SEPA application or request to issue an addendum to any previous SEPA determination. If a question does not apply, "Does not apply" or "NA" may be entered. Complete answers to the checklist may avoid unnecessary delays later. City staff may also be able to help about governmental designations (e.g., zoning, shoreline, and landmark status). PROCEDURES: At the time you submit your application you must have all of the items listed on the attached "Complete Application Checklist" as well as the submittal for the underlying action (building permit, subdivision etc.). You may request a waiver from items on the checklist that are not applicable to your project. Please discuss this waiver request with City staff either at a pre -application meeting or at the time of application submittal. Within 28 days of receiving your application, City staff will determine if it is complete based on the attached checklist. If not complete City staff will mail to you a letter outlining what additional information is needed. If you do not submit requested materials within 90 days from the City's request for additional information the City may cancel your application. Once the application is "complete," substantive review will begin and a "Notice of Application" must be posted/mailed to begin a public comment period. After completing the environmental analysis and considering public comments, the Director will issue a determination for the project. A Determination of Non -Significance (DNS) says that the project as proposed will not have probable, significant, negative environmental impacts. A mitigated DNS will be issued if the project must be modified to mitigate its negative impacts. An Environmental Impact Statement (EIS) must be prepared if the probable negative impacts are unavoidable. \\citystore\City Common\Teri - DCD\Kirby\SEPA to fix\SEPA Environmental Review Application FINAL 5-9-16.docx PUMP STATION NUMBER 8 5379800009 Associated Files: PL17-0056, E17-0013, L17-0066 This File: 117-0065 USE PERMITS/UNCLASSIFIED USE City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director March 8, 2018 NOTICE OF DECISION TO: Jeremy Delmar, Highline Water District, Applicant Highline Water District, Owner Kenneth Metcalf, BP Pipelines (North America) Inc. Tim Fehr, Olympic Pipe Line Company, LLC William Holstine (4251 S 160th St) Michael and Melanie Bowman (16026 42"d Ave 5) Christine and Halden Stein (16036 42nd Ave S) King County Assessor, Accounting Division Washington State Department of Ecology This letter serves as a notice of decision and is issued pursuant to TMC 18.104.170 on the following project and permit approval. I. PROJECT INFORMATION Project File Numbers: L17-0065 Unclassified Use Permit L17-0066 Design Review Applicant: Jeremy Delmar, Highline Water District Type of Permit Applied for: Unclassified Use Permit and Design Review approval by Tukwila City Council Project Description: The proposed project involves construction of a new pump station for the Highline Water District. Location: 16032 42nd Ave. S., Tukwila„ WA 98168 Parcel #537980-0009 Associated Files: E17-0013 SEPA Decision Comprehensive Plan Designation/Zoning District: Low Density Residential (LDR) Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov Highline Water District Pump Station #8 UUP & Design Review Notice of Decision March 8, 2018 Page 2 II. DECISION SEPA Determination: The City SEPA Responsible Official has previously determined that the project, as proposed, does not create a probable significant environmental impact and issued a Determination of Non -Significance (DNS). Decision on Substantive Permit: The City Council has determined, following an open record hearing, that the applications for an Unclassified Use Permit and Design Review do comply with applicable City and state code requirements and has conditionally approved the Unclassified Use Permit, and has approved the Design Review application, based on the findings and conclusions contained in the staff report. The condition of approval of the Unclassified Use Permit is the following: 4-5 times over a one-year period, acoustical engineering noise measurements will be taken to confirm compliance with the City's noise ordinance, with a copy provided to Tukwila City Administration. The Decision on this Application is a Type 5 decision pursuant to Tukwila Municipal Code §18.104.010. Other land use applications related to this project may still be pending. III. YOUR APPEAL RIGHTS No administrative appeal of the City Council Decision is permitted. Any party wishing to challenge the City Council Decision must file an appeal in King County Superior Court pursuant to the procedures and time limitations set forth in RCW 36.70C. An appeal challenging a DNS, an MDNS or an EIS may be included in such an appeal. If no appeal of the City Council decision is properly filed in Superior Court within such time limit, the Decision on this permit will be final. IV. INSPECTION OF INFORMATION ON THE APPLICATION Project materials including the application, any staff reports, and other studies related to the permits are available for inspection at the Tukwila Department of Community Development, 6300 Southcenter Blvd., Suite 100, Tukwila, Washington 98188 from Monday through Friday between 8:30 a.m. and 5:00 p.m. The project planner is Jaimie Reavis, who may be contacted at 206-431-3659 for further information. Property owners affected by this decision may request a change in valuation for their property tax purposes. Contact the King County Assessor's Office for further information regarding property tax valuation changes. Depa -nt of Community Development City of j,ukwila Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director Affidavit of Distribution Project Name: HIGHLINE WATER DIST PUMP STATION 8 Project Number: PL17-0056 Associated File Number(s): L17-0065 & L17-0066 Date Mailed: 3/8/18 Mailing requested by: JAIMIE REAVIS Mailer's signature: ❑ Board of Adjustment Agenda Packet ❑ Notice of Application for ❑ Board of Appeals Agenda Packet Shoreline Mgmt Permit ❑ Determination of Non -Significance ❑X Notice of Decision ❑ Determination of Significance & Scoping Notice ❑ Mitigated Determination of Non - Significance ❑ Notice of Action ❑ Notice of Application ❑ Notice of Public Hearing ❑ Notice of Public Meeting ❑ Official Notice ❑ Other: ❑ Shoreline Mgmt Permit ❑ Short Subdivision Agenda Parties of Record: Jeremy Delmar, Highline Water District, Applicant Highline Water District, Owner Kenneth Metcalf, BP Pipelines (North America) Inc. Tim Fehr, Olympic Pipe Line Company, LLC William Holstine {4251 S 160th St) Michael and Melanie Bowman (16026 42"d Ave S) Christine and Halden Stein (16036 42"d Ave S) King County Assessor, Accounting Division Washington State Department of Ecology Alicia Pettibone — RH2, consultant From: Jaclyn Adams To: Jaimie Reavis Bcc: 'Timothv.Fehrtalbo.com"• "Kenneth.Metcalfebo.com";"Christie.MostCalkingcounty.00v"• "Mea.Bommarito(ecv.wa.gov"; "aoettiboneerh2.com"• "ehalimerh2.com"; "jdelmarCalhighlinewater.org" Subject: Notice of Decision - Highline Water District Pump Station No 8 PL17-0056 Date: Thursday, March 8, 2018 11:02:00 AM Attachments: PL17-0056 NOD.odf Dear Interested Parties, Please find attached a Notice of Decision for Highline Water District Pump Station No 8 at 16032 42nd Ave S, Tukwila WA. This project includes an Unclassified Use permit and a Design Review permit. If you have any questions regarding this notice, please reach out to Planner Jaimie Reavis at Jaimie.ReavisPTukwilaWA.gov or by phone at 206-431-3659. Thank you, Jaclyn Adams Administrative Support Specialist' City of Tukwila 6300 Southcenter Bl, Suite 100 I Tukwila, WA 98188 T: 206-431-3670 1 F: 206-431-3665 Jaclyn.AdannsPTukwilaWA.gov I http://www.TukwilaWA.gov The city of opportunity, the community of choice City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director STAFF REPORT TO THE TUKWILA CITY COUNCIL Prepared February 26, 2018 HEARING DATE: March 5, 2018 STAFF CONTACT: Jaimie Reavis, Senior Planner FILE NUMBERS: L17-0065 Unclassified Use Permit L17-0066 Design Review ASSOCIATED PERMITS: E17-0013 SEPA Decision APPLICANT: Jeremy DelMar, Highline Water District REQUEST: Unclassified Use Permit and Design Review approval by the Tukwila City Council for a proposed new pump station for the Highline Water District. LOCATION: 16032 42' Ave. S., Tukwila, WA 98168 Parcel# 537980-0009 COMPREHENSIVE PLAN/ZONING DESIGNATION: NOTIFICATION: Low Density Residential (LDR) A Notice of Application for this Type 5 project was posted on the site and mailed to property owners and tenants within 500 feet of the project site, and to departments and agencies with jurisdiction on November 15, 2017. An informational public open house on the Highline Water District Pump Station #8 project was held at Valley View Library, 17850 Military Road South, SeaTac, WA on November 30, 2017. Notice of Public Hearing was posted on the site and mailed to the applicant, tenants and property owners within 500 feet of the site, parties of record, and to departments and agencies with jurisdiction on February 16, 2018. Notice of public hearing was also published in the Seattle Times on February 20, 2018. Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov 129 Highhre Water District PJlrp Station #8 Uric ossified Use Pcrr^;t and Design Rev Febr,,ary 26, 2018 Page 2 SEPA DETERMINATION: PUBLIC COMMENTS: RECOMMENDATIONS: ATTACHMENTS: A Determination of Non -Significance (DNS) was issued for this project on December 21, 2017. One comment was received by email on November 30, 2017, in response to the Notice of Application mailing, from Kenneth Metcalf of BP Pipelines Inc. The email from Mr. Metcalf included a "No Conflict Letter" and associated map, signed by Tim Fehr, 3rd Part Contract Right of Way Supervisor representing the Olympic Pipe Line Company LLC (see Attachment C). The letter and mapping indicate no active pipelines owned or operated by BP Pipelines within the scope of the project. L17-0065 Unclassified Use Permit Staff recommends approval of the Unclassified Use Permit application. L17-0066 Design Review Staff recommends approval of the design of the building, landscaping, and site layout as reflected in the attachments to this report. A. Plan Set (Existing Site Plan, Pump Station Site Plan, Landscaping Site Plan, Mechanical Plan, Architectural Elevations, Project Renderings) B. Highline Water District Pump Station No. 8 Project Narrative for Unclassified Use Permit and Design Review, prepared by RH2 Engineering, Inc. and dated September 2017 C. Public comment letter from the Olympic Pipe Line Company LLC, dated November 30th, 2017 and signed by Tim Fehr, 3rd Party Contract Right of Way Supervisor. D. SEPA Determination of Non -Significance 130 Phone: 206-433-1800 • Emait: Mayor@TukwitaWA.gov • Website: TukwitaWA.gov • 4 Highline Water District Pump Station #8 Unclassified Use Permit and Design Review February 26, 2018 Page 3 FINDINGS PROJECT DESCRIPTION The proposal is to construct a new pump station structure and associated improvements at 16032 42nd Ave. S. in Tukwila's McMicken Heights neighborhood. The project is named Pump Station #8 and was identified in Highline Water District's 2016 Water System Plan as a redundant pump station to Pump Station #6. Pump Station #6 serves water coming from Highline Water District's largest reservoir, the Crestview Reservoir. The addition of Pump Station #8 to the Highline Water District will allow the Crestview Reservoir to continue to provide water to customers in the 560 Pressure Zone, and all other connected zones, if Pump Station #6 becomes inoperable. Pump Station #8 is proposed to be a two-story structure with a building footprint of 1,300 square feet. The first level is proposed to be located underground, containing the pump room. The upper level, proposed to be at -grade, will house electrical and control equipment. The project also includes installation of a flow meter vault, construction of an approximately 350 square -foot concrete pad for an electrical generator, installation of the electrical generator at the rear side of the property behind the pump station, paved access driveway, site landscaping, and utility piping. Additionally, approximately 1,350 linear feet of 24-inch water main is proposed to be installed within the right-of- way of 42' Ave S. and through a private easement to connect to Military Rd. S. VICINITY/SITE INFORMATION A. Site Description The project site is located on one lot, approximately 10,000 square feet in size, on the east side of 42'd Ave S between S 160th St and S 164th St. B. Existing Development The site is currently vacant. A single-family home was previously located on the site and was demolished in 2017. C. Surrounding Land Use Surrounding land use consists primarily of single - Phone: 206-433-1800 • Email: Mayors TukwitaWA.gov • Website: TukwiiaWA.gov 131 r-Or-line lA ater District Pump Stut n n #8 unciassif;ed Li;e Permit arld Design Review rbr.;ary 26. 2018 Page 4 family homes, which are located adjacent to the project site on its north, south, and west sides. Crestview Park is located on the property to the east of the project site. An area of trees and shrubs at the northwestern corner of Crestview Park is adjacent to the project site. A node of neighborhood commercial development is located south of the project site on both sides of 42"d Ave S on the north and south sides of S 164th St. D. Environmentally Sensitive Areas Areas categorized as Class 2 slopes are located on the west, east, and a portion of the south sides of the property. Class 2 slopes are described as "moderate," and are the least sensitive category of slope class mapped as part of the City of Tukwila's inventory of environmentally sensitive areas. A geotechnical report will be required to be to be submitted as part of the building permit for this project, as is standard for all new buildings. E. Topography The site slopes down from the 42"d Ave S to a flat area that makes up most of the area of the parcel. A retaining wall is located along the south side of the site on the neighboring property, and a series of low wooden walls with steps are located on the east/back side of the parcel, topped with vegetation and a chain link fence along the east property line which separates the site from Crestview Park. The existing wooden walls are in disrepair and are proposed to be replaced with a rockery as part of the project. This area of the site is the beginning of a slope that continues within Crestview Park's northwestern corner. F. Vegetation Vegetation on the site consists of shrubs and trees on top of the wooden retaining walls at the back of the lot along the east side of the property. Many of the trees in this area are dead, and all the vegetation except for an 8-inch diameter Cherry tree is proposed to be removed as part of the project. Other areas of the site are intermittently covered with grasses and small shrubs. of the site will be replanted with a combination of deciduous and conifer trees, evergreen flowering shrubs, and groundcovers. G. Access Existing access to the site is from 42"d Ave S. The house formerly located on the site had an associated U-shaped access with two driveway entrances off 42"d Ave S. There is one driveway entrance to the site off 42nd Ave S proposed as part of the project, with the rest of the property frontage proposed to be landscaped. REVIEW PROCESS The property on which the new pump station is proposed is zoned Low Density Residential (LDR). Table 18-6 of the Tukwila Zoning Code lists the land uses allowed by district and designates whether the land use is permitted outright, accessory, conditional, or unclassified. Within the LDR district, a water pump station is designated as an unclassified use, requiring review and approval of an Unclassified Use Permit according to the criteria contained in Chapter 18.66 of the 132 Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump S1atior' #8 Unclassified Use Permit and Design Rev February 26, 2018 Page 5 Zoning Code. Additionally, per the requirements of the LDR District contained in zoning code section 18.10, Design Review is required for all unclassified uses. REPORT ORGANIZATION This staff report has been divided into two sections. The first section covers the Unclassified Use Permit; the second section covers the Design Review decision. Staff's conclusions and recommendations follow each section. SECTION ONE — UNCLASSIFIED USE PERMIT In the following discussion, the review criteria for approval of an Unclassified Use Permit (per TMC 18.66.060) are in bold, followed by staff's evaluation of project consistency with the criteria. The applicant's response to the criteria are contained in the project narrative as Attachment B to this report. Decision Criteria — Unclassified Use Permit 1. Where appropriate and feasible, all facilities shall be undergrounded. The Mechanical Plan in the plan set submitted for this project (see Attachment A) shows the proposed arrangement of the pump station equipment within the structure. The bottom floor of the pump station is proposed to be located underground, and to contain all the pumps and utility piping for the project. The top floor, which is proposed to be above ground, is proposed to contain electrical equipment. An emergency generator (EG) is proposed to be located outside of the pump station building on the east side of the site. The applicant's project narrative explains that the pump station facilities "have been undergrounded to the maximum extent practicable. Undergrounding the entire project would be infeasible due to the depth of excavation that would be required to house the pumps, electrical equipment, and EG." 2. The proposed use will not be materially detrimental to the public welfare or injurious to the property or improvements in the vicinity. Prior to its purchase and demolition by the Highline Water District, the home at 16032 42nd Ave S had been a chronic nuisance due to its abandoned and unsecured condition, causing multiple visits from Tukwila Police and Code Enforcement officers. Purchase of the property by the Highline Water District in 2016, and demolition of the home in 2017 resulted in public benefit to the neighborhood. The Highline Water District Pump Station #8 project is being constructed according to Highline Water District's 2016 Comprehensive Water System Plan, which identified the need for a second pump station to serve the 560 Pressure Zone from the 7.6 million -gallon Crestview Reservoir to improve redundancy and resiliency in the overall water system. Currently, water stored in the Crestview Reservoir or source water from Seattle Public Utilities must pump through Pump Station #6 to enter the 560 Pressure Zone. Pump Station Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website; TukwiiaWA,gov 133 if <v !1 ✓ C L �� ^ 0,1_ � rt,u . �/y'�t 1 L « / t_ Highiine Water Dist ct P jrr.N Station 48 U1t.assified Use Pcrnt ard Design Review Fenr,,ary 26 2' '>8 Page 6 #8 will also serve the 560 Pressure Zone using modern equipment, and it will receive electrical service from Puget Sound Energy, a different electric utility than Pump Station #6, which is served by Seattle City Light. Providing a second pump station will benefit the public welfare by allowing Highline Water District customers within the 560 Pressure Zone to continue to receive water service if Pump Station #6 becomes inoperable. Additionally, the applicant's project narrative (see Attachment 6) describes how the project design includes measures to ensure that potential impacts from noise, lighting, or aesthetics to surrounding properties will not occur, including the following: • The project has been designed with the pumps located underground and the EG within an enclosure providing noise attenuation to ensure compliance with the City of Tukwila noise regulations. • Project lighting is proposed for safety and security of the facility but has been designed to prevent spillover to surrounding properties. Lighting is proposed to be directed downward using hooded lighting fixtures and is proposed to be at half - strength except when it is motion -activated to become full-strength. • The proposed pump station design includes single-family dwelling features and exterior materials, a large amount of perimeter landscaping, and high -security yet ornamental wrought -iron fencing to help the project appear as a single-family home that blends in with surrounding development and the underlying LDR zoning. 3. The proposed use shall meet or exceed the same standards for parking, landscaping, yards and other development regulations that are required in the district it will occupy. The Low -Density Residential District includes regulations related to maximum building Footprint, setbacks, building height, and the required number of parking spaces. The project meets or exceeds these requirements, as detailed below: • The project site is 10,050 square feet, with a maximum building footprint of approximately 3,075 square feet according to TMC 18.10.057. The proposed building footprint is approximately 1,550 square feet, in conformance with the maximum building footprint requirement. • The maximum development area requirement in the LDR only applies to single- family development. However, the project meets the 75% maximum development area requirement, in keeping with the proposed site and building design of a single- family development. • The Pump Station 8 Site Plan in Attachment A demonstrates the project's conformance with setback requirements of the LDR zone, including the 20-foot front yard setback, 5-foot side yard setbacks, and 10-foot rear yard setback. The pump station is proposed to be set back approximately 70 feet from the front property line; 11.9 feet from the south property line; 21.3 feet from the north property line; and the emergency generator will be set back from the rear property line at least 16 feet. • The building height of the pump station structure is proposed to be approximately 18 feet above grade, within the 30-foot height limit within the LDR zone. 134 Phone: 206-433-1800 • Email: Mayor@TukwitaWA.gov • Website: TukwitaWA.gov Highli.^,e Nater District Pump Station #8 Urclassif ed Use Permit and Design Review Febr„ary 26, 2018 Page 7 • Figure 18-7 of the Tukwila Zoning Code lists the number of required parking spaces for automobiles, based on the use of a site. However, the number of required parking spaces for a water pump station is not specified in Figure 18-7. The project will not have employees or vehicles based at the site, but instead the site will be visited by Highline Water District employees on a regular and as -needed basis. Paved areas on the west and north sides of the proposed pump station structure will be able to accommodate parking for several Highline Water District Vehicles when employees visit the site. Individual stalls are not proposed to be striped. • TMC 18.52.030, Table A contains the required amount of landscaping for non- residential uses in the LDR zoning district. A minimum of 15 feet of landscaping is required within the front yard setback area, and a minimum of 10 feet of perimeter landscaping is required on all other sides of the site. The "Type" of landscaping required dictates the quantity of trees, shrubs, and groundcover required along the perimeter of a development site. Type 1 landscaping is required on all perimeter areas of this site. The proposed landscaping shown in the Landscape Schematic Design plan sheet of Attachment A includes approximately 60 feet of front yard landscaping, 10 feet of side and rear yard landscaping meeting the Type 1 landscaping requirements for plant materials and quantities. Twenty feet of landscaping per parking stall is also required by this section of the code. The site includes additional landscape area and raingardens which work to achieve the parking lot landscaping requirement. 4. The proposed development shall be compatible generally with the surrounding land uses. The new water pump station structure is proposed to be set back from the property line a similar distance as the homes to the north, which was the pattern the home previously located on the site followed. The size of the structure and the height are proposed to be similar in scale to the surrounding homes. Landscaping along the perimeter of the project site will also help the project to be compatible with the surrounding single-family homes and Crestview Park. 5. The proposed development shall to the maximum extent feasible be consistent with and promote the goals, objectives, and policies of the Comprehensive Land Use Policy Plan and applicable adopted area plans. Following are the relevant policies of the Tukwila Comprehensive Plan: Residential Neighborhoods 7.3.4 Use new development to foster a sense of community and replace lost vegetation and open spaces with improvements of at least equal value to the community. The new pump station will be of great value to the community to help safeguard an uninterrupted water supply. Additionally, the new structure and site improvements proposed will be designed to blend in with the existing residential structures along 42nd Ave S. New landscaping and storm drainage features will provide more vegetation than was Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwiLaWA.gov 135 riigniwe V`JJatar gist „t Ptir;t. Station 48 kr'km3ssifieci U e Pe- '.t arci Design, Review Fe r,:arV 26 2('8 PTge 8 previously located on the site and will help screen the pump station from neighboring properties. 7.6.3 Employ appropriate design elements to blend in with the character of the residential neighborhood. The architectural design of the pump station, at approximately 18-feet in height and one- story above grade, will blend in with adjacent single-family homes on 42"d Ave S. Building materials are proposed to be the same as are used on single-family homes, and landscaping proposed for the site will also help the new pump station development blend in with the character of the residential neighborhood. 7.8.7 Ensure that urbanization and development do not negatively impact current neighborhood noise levels and adhere to Environmental Protection Agency and Federal Aviation Administration standards. The first level of the pump station is proposed to be underground, where the pumps will be located to minimize noise levels of adjacent properties. Tukwila's noise regulations exempt "sounds created by existing or new electrical substations and existing or new stationary equipment used in the conveyance of water, waste water and natural gas by a utility" up to 50 feet from the sound -producing source. Per the applicant's project narrative, the pumps are not anticipated to produce noise levels greater than 55 dB(A) at adjacent properties during daytime or evening hours. Section 8.22.050 of Tukwila's noise regulations include rnaximum permissible levels of 55 dB(A) during daytime hours and 45 dB(A) during nighttime hours. TMC Chapter 8.22 defines "nighttime" as 10PM-7AM Monday through Friday and 10PIM-8AM Saturday, Sunday and State -recognized holidays. The purpose of the emergency generator on the project site is to provide power to the pump station during power outages. The generator is expected to produce noise during power outages and during regular testing. The emergency generator is proposed to be housed in an enclosure designed to dampen noise and is expected to provide noise levels of approximately 74 dB(A), when measured 23 feet from the location of the generator. Tukwila noise regulations in TMC Chapter 8.22 limit the maximum permissible sound levels when measured at or within the boundary of a residential receiving property to 55 dB(A). However, testing of emergency back-up generators are exempt during daytime hours, defined as 7AM-10PM Monday through Friday and 8AM-10PM Saturday, Sunday and State - recognized holidays. The applicant's project narrative (see Attachment B) states that use of the generator will comply with Tukwila's noise regulations. Utilities Goal 12.1 Utility services and facilities that meet the community's current and future needs in a safe, reliable, efficient, economic and environmentally responsible manner The proposed pump station will help ensure continued water service for customers within Highline Water District who rely on the Crestview Reservoir for a safe and reliable water supply. The proposed Pump Station #8 is a new facility served by a different power provider 136 Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwitaWA.gov Highline Water District PunT Station 03 unclassified Use Permit and Design Rev'ew Febr„ary 26 2018 Page 9 than Pump Station #6; it will be a redundant pump station to help safeguard customers within Highline Water District's 560 Pressure Zone if one of the pump stations has an outage. 12.1.6 Coordinate with other jurisdictions and agencies in planning and implementing utility operations, facility additions and improvements located in or affecting multiple jurisdictions. The first page of this staff report includes a description of the public notification and coordination required for review of the permits associated with this project. The Unclassified Use Permit and Design Review are classified as Type 5 decisions, which require multiple notifications to property owners and tenants within 500-feet of the project site and jurisdictions and agencies with an interest in the project, as well as a public information meeting and a public hearing. 12.1.19 Design, construct and maintain facilities to minimize impacts on adjacent neighborhoods and businesses. The proposed Highline Water District Pump Station #8 facility has been designed to minimize noise, lighting, and aesthetic impacts to surrounding properties. The architectural design of the building locates the water pumps underground to minimize noise impacts to surrounding properties, and the scale of the building. 12.1.21 Provide safe, reliably -maintained and sustainable water service for domestic, commercial, industrial, fire flow and water emergency uses, to meet present and future needs. Pump Station #8 will help implement this policy, providing a redundant pump station to help ensure water customers within the Highline Water District have a secure water supply. 12.1.33 Encourage utilities to consolidate facilities, use existing transportation corridors, and minimize visual impacts of facilities, where technically feasible. The proposed project design includes a building design that meets the need of a water pump station while using similar building massing, building materials, and site design as surrounding single family homes. Landscaping proposed to surround the new pump station will also help to screen the new development from adjacent properties, minimizing visual impacts to surrounding development and land uses. 6. The proposed unclassified use shall, to the maximum extent feasible, mitigate all significant adverse environmental impacts on public and private properties. Full consideration shall be given to: a. alternative locations and/or routes that reduce or eliminate adverse impacts; and b. alternative designs that reduce or eliminate adverse impacts. The Highline Water District considered several different sites in vicinity of the Crestview Reservoir for Pump Station #8. Other sites considered would have involved demolition of existing homes currently occupied by homeowners or tenants. The site on which Pump Station #8 is proposed had been a vacant, unsecured home which had required action from Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov TukwiiaWA.gov • Website: TukwilaWA.gav 137 �iyl iire At ter i)ist;: t Puri: Stratk3r' :JociasSif,ea Use Permit and D sigr. Re, eN Febr..ar, 26 2n a B Page 10 Tukwila's Code Enforcement and Police officers. The project considers impacts on public and private properties from noise, light, and aesthetics, and has included mitigation measures in its design to address them. 7. In the event that a proposed essential public facility of a countywide or statewide nature creates an unavoidable significant adverse environmental or economic impact on the community, compensatory mitigation shall be required. Compensatory mitigation shall include public amenities, incentives or other public benefits which offset otherwise unmitigated adverse impacts of the essential public facility. Where appropriate, compensatory mitigation shall be provided as close to the affected area as possible. This criterion is not applicable to this project. 8. For uses in residential areas, applicants shall demonstrate that there is no reasonable nonresidential alternative site for the use. There is a small area of seven parcels on the east side 42nd Ave S and the north side of S 164th St at the northeastern corner of this intersection zoned for mixed -use development. The zoning on these parcels is either Neighborhood Commercial Center (NCC) or Residential Commercial Center (RCC). All these parcels are developed and occupied by existing businesses, homes, or a combination of commercial and residential development. Per the applicant's project narrative, hydrology requirements including adjacency to the Crestview reservoir, were determining factors in the choice of where to locate Pump Station #8. The applicant has cited the technical requirements of the pump station and the lack of nonresidential alternatives near the Crestview Reservoir to demonstrate there is no reasonable alternative site for the use. 9. For uses in residential areas, applicants shall demonstrate that the use provides some tangible benefit for the neighborhood. The completed project will result in a secure facility, designed to blend in with the surrounding neighborhood and screened from adjacent properties by landscaping on all sides of the new water pump station. The completed project will improve the existing site and will provide water customers in the neighborhood a more secure water system. 10. Secure community transition facilities shall meet the following additional criteria: This criterion is not applicable to this project as it is not a secure community transition facility. CONCLUSIONS - UNCLASSIFIED USE PERMIT :1. The proposed design of Highline Water District Pump Station #8 includes an underground level containing all the pumps and utility piping for the project. The top floor, which is proposed to be above ground, is proposed to contain electrical equipment. The applicant's project narrative explains that the pump station facilities 138 Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov * Website: TukwilaWA.gov Highline Aater District Pump Station #8 Unclassified t.Jse Permit and Design Review Feor.ary 26 2018 Page 11 "have been undergrounded to the maximum extent practicable. Undergrounding the entire project would be infeasible due to the depth of excavation that would be required to house the pumps, electrical equipment, and EG." 2. Purchase of the 16032 42nd Ave S property by the Highline Water District, and subsequent demolition of the existing home of the site, rectified a chronic nuisance in the neighborhood. Construction of the new pump station at this location will help ensure reliable water service for Highline Water District customers in the 560 Pressure Zone served by the Crestview Reservoir or source water from Seattle Public Utilities. The project has been designed to mitigate potential impacts to surrounding properties and improvements in the vicinity related to noise, lighting, and aesthetics. 3. The project meets or exceeds the development standards within the Low Density Residential district. 4. The proposed development is compatible with surrounding land uses, proposing a similar front yard setback distance as the homes to the north, a building footprint and building height similar in scale to the surrounding homes, and landscaping along the perimeter of the project site to enhance the site as well as provide a buffer and screening for adjacent single-family homes to the north and south as well as Crestview Park to the east. 5. The proposed development is consistent with the Comprehensive Land Use Plan, including goals and policies within the Residential Neighborhoods and Utilities elements. 6. The Highline Water District considered several alternative project sites in vicinity of the Crestview Reservoir for Pump Station #8. Other sites considered would have involved displacement of homeowners and tenants of existing occupied and livable homes. The project design has included elements to reduce or eliminate adverse noise, lighting, and aesthetic impacts. 7. There is no reasonable alternative site for the Pump Station #8 project due to hydrology requirements for a pump station serving the Crestview Reservoir and lack of nonresidential sites. Parcels within vicinity of the Crestview Reservoir are zoned for either single-family development (LDR), or a mix of commercial and residential development (NCC and RCC). Parcels zoned NCC and RCC are developed and occupied by existing businesses, homes, or a combination of commercial and residential development. 8. The completed project will result in a secure facility, designed to blend in with the surrounding neighborhood and screened from adjacent properties by landscaping on all sides of the new water pump station. The completed project will improve the existing site and will provide water customers in the neighborhood a more secure water system. RECOMMENDATIONS — UNCLASSIFIED USE PERMIT Staff recommends approval of the Unclassified Use Permit as proposed. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov TukwilaWA.gov • Website; TukwiiaWA.gov 139 Higriine Water Disti-ict Prirrp Statnn Pi Urns ssifed Use Permit and Desi r Roy c.0 Febr,.ary 26 20'18 Page 12 SECTION TWO - DESIGN REVIEW Non-residential development in a Low Density Residential Zone is subject to the Multi -Family, Hotel and Motel Design Review Criteria contained in TMC 18.60.050 (C). The design criteria explain the requirements for development proposals. They are the decision criteria from which the Council will evaluate whether to approve, condition, or deny this project. The design criteria are shown below in bold, followed by Staff's comments. For the applicant's response to the design review criteria, see Attachment B. Decision Criteria — Multifamily, Hotel, and Motel Design Review and Multi -Family Design Manual 1. SITE PLANNING. a. Building siting, architecture, and landscaping shall be integrated into and blend harmoniously with the neighborhood building scale, natural environment, and development characteristics as envisioned in the Comprehensive Plan. For instance, a multi family development's design need not be harmoniously integrated with adjacent single-family structures if that existing single-family use is designated as "Commercial" or "High -Density Residential" in the Comprehensive Plan. However, a "Low -Density Residential" (detached single-family) designation would require such harmonious design integration. The proposed front yard building setback for Pump Station #8 is similar to the single- family home formerly located on the project site, as well as the home on the property adjacent to the project site on its north side. Landscaping along the project perimeter, including areas in front and behind the proposed wrought -iron fence in the front yard, will help screen views of the building from the street and adjacent properties. The building is designed to look like a single-family home, having a similar size and building height as surrounding single-family homes, and making use of residential building materials including horizontal siding, shingles, and glass block windows within framed window areas. All these design features will help the project blend in with surrounding single-family development. b. Natural features, which contribute to desirable neighborhood character, shall be preserved to the maximum extent possible. Natural features include, but are not limited to, existing significant trees and stands of trees, wetlands, streams, and significant topographic features. There are few existing natural features on site to preserve. However, those that exist are proposed to be retained and incorporated into the design of the Pump Station #8 project. The slope within the front yard of the project site will continue to slope down towards the building site from the street frontage of 42"d Ave S, where stormwater is proposed to be collected within a new raingarden just to the west of the parking area located in front of the pump station garage. A new rockery will be constructed to replace existing wood retaining walls along the rear side of the property. The existing 140 Phone: 206-433-1800 • Email: Mayor c, TukwitaWA.gov • Website: TukwilaWA.gov Highline Water Distrct Pump Station #8 Unclassified Use Permit and Design Review February 26. 2018 Page 13 topography will be retained through construction of the new rockery, and drainage from slopes on this side of the property will be collected in a second raingarden at the bottom of the rockery at the northeastern corner of the site. A mature Cherry tree located on top of the existing retaining wall at the eastern side of the property is also proposed to be retained. c. The site plan shall use landscaping and building shapes to form an aesthetically pleasing and pedestrian scale streetscape. This shall include, but not be limited to facilitating pedestrian'travel along the street, using architecture and landscaping to provide a desirable transition from streetscape to the building, and providing an integrated linkage from pedestrian and vehicular facilities to building entries. A large area of landscaping is proposed in between the pump station building and 42nd Ave S, located both in front of and behind the wrought -iron fence proposed to enclose the site. Employees of the Highline Water District are the only visitors expected at the site, and they will access the site via Highline Water District vehicles. The proposed paved driveway connecting from the street to the pump station garage and the drive on the north side of the building will provide pedestrian access to the front door of the building, located on the building's north elevation. d. Pedestrian and vehicular entries shall provide a high -quality visual focus using building siting, shapes and landscaping. Such a feature establishes a physical transition between the project and public areas and establishes the initial sense of high quality development. Access to the site will be primarily by vehicle and is provided by a driveway from 42nd Ave S on the north side of the site. Landscape areas are located on both sides of the driveway. On the west side of the wrought iron fence proposed to enclose the site, a landscape area comprised of trees, shrubs, and groundcover will provide the street - facing front yard. A deciduous tree proposed on each side of the driveway directly in front of the sliding gate act to frame the entry, signifying a transition from the street to the private property area on the east side of the fence. Landscaping on the east side of the fence functions to screen the site from adjacent properties, as well as to support the raingarden storm drainage features. e. Vehicular circulation design shall minimize driveway intersections with the street. Previous development on the site was accessed via a U-shaped driveway that had two access points from 42nd Ave S. The pump station design will only have one access point. f Site perimeter design (i.e., landscaping, structures, and horizontal width) shall be coordinated with site development to ensure a harmonious transition between adjacent projects. The required side yard setback in the LDR zone is five feet for single-family development. Development of the site as an Unclassified Use requires the minimum side yard landscape area to be increased to 10 feet. Landscaping proposed along all Phone: 206-433-1800 • Email: Mayor@TukwitaWA.gov • Website: TukwitaWA.gov 141 Hipline \h ater District P'jrrStatior. #8 unciassited iJ. e Permit and Design Fern.;arj 26. 2',18 Page 14 sides of the site, and enclosure of the site with a wrought iron fence will provide a harmonious transition between the project site and adjacent properties. g. Varying degrees of privacy for the individual residents shall be provided; increasing from the public right -of way, to common areas, to individual residences. This can be accomplished through the use of symbolic and actual physical barriers to define the degrees of privacy appropriate to specific site area functions. Minimum 10-foot landscape width along the north and south sides of the site, combined with a wrought iron fence to provide security and separate the site from adjacent properties, provide both symbolic and physical barriers to separate the pump station site from adjacent residential properties. h. Parking and service areas shall be located, designed and screened to interrupt and reduce the visual impact of large paved areas; Parking areas within the driveway area on the north side of the building, as well as the parking area on the west side of the building in front of the garage, are separated from adjacent properties and the street by landscape areas. i. The height, bulk, footprint and scale of each building shall be in harmony with its site and adjacent long-term structures. The height, bulk, footprint, and scale of the proposed Pump Station #8 building is in keeping with the design of adjacent single-family homes on the east side of 42nd Ave S. 2. BUILDING DESIGN. a. Architectural style is not restricted; evaluation of a project shall be based on the quality of its design and its ability to harmonize building texture, shape, lines and mass with the surrounding neighborhood. The proposed building will have two stories, with the first story underground. Therefore, the pump station will appear as a one-story structure with a pitched roof, incorporating building materials and details that mimic single-family development. b. Buildings shall be of appropriate height, scale, and design/shape to be in harmony with those existing permanent neighboring developments which are consistent with, or envisioned in, the Comprehensive Plan. This will be especially important for perimeter structures. Adjacent structures that are not in conformance with the Comprehensive Plan should be considered to be transitional. The degree of architectural harmony required should be consistent with the nonconforming structure's anticipated permanence. The building's design compatibility with the surrounding neighborhood is emphasized. An emergency generator is proposed outside of the main pump station structure, on the east side of the site. The generator will be enclosed within a noise -attenuating structure and will be screened from view by the pump station and perimeter landscaping. 142 Phone: 206-433-1800 • Email: Mayor@TukwitaWA.gov • Website: TukwitaWA.gov Nighline Water District Pump Station 48 Urciassifed Use Permit and Design Review February 26. 2018 Page 15 c. Building components, such as windows, doors, eaves, parapets, stairs and decks shall be integrated into the overall building design. Particular emphasis shall be given to harmonious proportions of these components with those of adjacent developments. Building components and ancillary parts shall be consistent with the anticipated life of the structure. Building materials proposed include six-inch horizontal siding for the body of the structure with board and batten treatment within the roof eave areas. These are materials and proposed arrangement on the pump station structure are consistent with that commonly used in residential development. The garage door design (see Attachment A, Architectural Elevations) is the same as commonly used in residential development, as are the built-up columns used at the front door entry area on the north side of the building, decorative brackets incorporated into the roof eaves, window sills and proportion of window areas. The glass block used in window areas is a sturdy building material and will help to dampen noise from pumps enclosed within the station, while at the same time providing the look of residential windows and allowing natural light into the pump station structure. d. The overall color scheme shall work to reduce building prominence and shall blend in with the natural environment. Actual colors of the building were not submitted with project materials. Attachment A includes a rendering of the structure, showing a color scheme made up of earth tone colors. The second to last paragraph on page 2 of the project narrative (Attachment B) states that "Exterior colors will be natural earth tone colors with simple accent trims to reduce the building's prominence and ensure it blends in with the natural environment." Staff agrees that use of earth tone colors on the Highline Water District Pump Station #8 building will work to reduce building prominence and help the building blend in with the natural environment. e. Monotony of design in single or multiple building projects shall be avoided. Variety of detail, form, and siting shall be used to provide visual interest. Otherwise monotonous flat walls and uniform vertical planes of individual buildings shall be broken up with building modulation, stairs, decks, railings, and focal entries. Multiple building developments shall use siting and additional architectural variety to avoid inappropriate repetition of building designs and appearance to surrounding properties. The proposed building is meant to blend in with surrounding single-family development, and so a small building footprint is proposed, which is set back from the street and screened through use of landscaping at the street frontage and most of the large front yard area, as well as along the entire perimeter of the site. For the small scale of the building, and the design intent for it to blend in with surrounding single-family development, variety of detail to provide visual interest includes single-family design features including two different types of siding, decorative brackets used within the roof eave areas, door and window trim, building and roof modulation at the garage and front Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov 143 N;gr1!citer r'n Joc.assif ed Use P,',,T r Design` Rev.e.ti Fehr:art 26 )r' `8 Page 16 door entry areas, and a front porch entry area at the front door entrance to the building which includes built up columns. 3. LANDSCAPE AND SITE TREATMENT. a. Existing natural topographic patterns and significant vegetation shall be reflected in project design when they contribute to the natural beauty of the area or are important to defining neighborhood identity or a sense of place. Retention of existing topography on the site will help the new pump station structure fit in with adjacent development on the east side of 42"d Ave S. Homes north of the project site follow a similar pattern as the proposed pump station site development, having driveways that slope down from 42"d Ave S to a relatively flat area on which the homes are located. An existing mature Cherry tree on the east side of the site adjacent to Crestview Park is proposed to be retained. b. Landscape treatment shall enhance existing natural and architectural features, help separate public from private spaces, strengthen vistas and important views, provide shade to moderate the effects of large paved areas, and break up visual mass. The landscape design includes a mix of deciduous and evergreen trees, flowering evergreen shrubs, and groundcovers in front of the wrought iron fence that will enclose the project site. This landscape area will help screen the wrought iron fence from view and create an aesthetically pleasing green space at the front of the site. Landscaping behind the wrought iron fence helps screen the pump station development from the public and includes raingarden areas at the bottom of sloping areas at the front and rear areas of the site, using storm drainage design which takes advantage of the site topography. c. Walkways, parking spaces, terraces, and other paved areas shall promote safety and provide an inviting and stable appearance. Direct pedestrian linkages to the public street, to on -site recreation areas, and to adjacent public recreation areas shall be provided. Paved areas of the site will provide both vehicle and pedestrian access to the pump station from 42' Ave S. The paved area of the driveway and areas surrounding the pump station will be illuminated for safety. The site will not be open to the public; there are no on -site recreation areas or connections from the pump station to Crestview Park proposed due to the desire to have the site secured from public access. d. Appropriate landscape transition to adjoining properties shall be provided. Landscaping is proposed along the perimeter of the site. Along 42"d Ave S, landscaping is located both outside and inside of the fence that is proposed to surround the site. This helps the project to present a welcoming front yard along the street front, sharing landscape improvements with the surrounding neighborhood at the front of the site. All other sides of the site have landscaping located on the inner side of the fencing which will enclose the site, appropriate to delineate the boundary of the project site from 144 Phone: 206-433-1800 • Email: Mayor@TukwitaWA.gov • Website: TukwitaWA.gov High!ine Water District Purrp Station #8 Unclassified Use Permit and Design Review Febr,,ary 26 2018 Page 17 adjacent properties while at the same time providing landscaping to screen the water pump station site improvements from adjacent properties. 4. MISCELLANEOUS STRUCTURES. a. Miscellaneous structures shall be designed as an integral part of the architectural concept and landscape. Materials shall be compatible with buildings, scale shall be appropriate, colors shall be in harmony with buildings and surroundings, and structure proportions shall be to scale. The emergency generator proposed as part of this project will be located outside and behind the pump station structure. In addition to being screened from view by the pump station building, the emergency generator will also be screened from view by the rockery on the east side of the project site and landscaping. b. The use of walls, fencing, planting, berms, or combinations of these shall accomplish screening of service yards and other places that tend to be unsightly. Screening shall be effective in winter and summer. A rockery will be built to replace existing retaining walls at the rear of the site which are currently in a state of disrepair, helping to screen the emergency generator from view. A wrought -iron fence is proposed to enclose the property, with a sliding gate to provide access to the site from 42nd Ave S. The wrought -iron material proposed provides a high - quality, strong material for security while at the same time making use of a material and design typical of residential development. c. Mechanical equipment or other utility hardware on roof, ground or buildings shall be screened from view. Screening shall be designed as an integral part of the architecture (i.e., raised parapets and fully enclosed under roof) and landscaping. The new rockery and landscaping located in the rear and side yards surrounding the generator will help to screen it from view. All other mechanical and utility hardware is proposed to be located within the building. d. Exterior lighting standards and fixtures shall be of a design and size consistent with safety, building architecture and adjacent area. Lighting shall be shielded and restrained in design with no off -site glare spill -over. Excessive brightness and brilliant colors shall not be used unless clearly demonstrated to be integral to building architecture. Site lighting is proposed to be shielded and restrained to prevent lighting from spilling over to adjacent properties. Per Tukwila Police Department recommendations, lighting will be at 50% strength and will only illuminate to full strength when motion is detected on site. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwitaWA.gov 145 High ine hater Distrct Purr.i Sti or t� urclassited .Jse Pe lift aod Design WA" .; Fobr.ary 26 l'..'8 Page 18 CONCLUSIONS — DESIGN REVIEW 1. Site Planning. The project is designed to blend in with adjacent single-family properties and the surrounding neighborhood. The site design retains existing topography, including a slope down from 42"d Ave S to a level area where the home previously located on the site was, where the new pump station will be built. The existing retaining walls located on the east side of the site where a slope up to Crestview Park begins is proposed to be reconstructed as a rockery that will maintain the existing topography at the back side of the site. The new pump station will be set back from the street roughly the same distance from the street as the home was, which is also the same distance as the single- family homes on the east side of 42"d St to the north of the project site. The project proposes to reduce the number of driveways from the site to 42"d Ave S down from two to one. A large landscape area at the front of the site, between 42"d Ave S and the new pump station structure, will enhance the view of the property from the street and will screen the pump station structure and associated parking areas from the street and from adjacent properties. Other perimeter landscape areas on the sides and rear yards are at least 10 feet wide and will also work to screen the site from adjacent residential development and Crestview Park. 2. Building Design. Two stories are needed to house the equipment for the pump station. One of the stories has been designed to be located underground so that water pump noise reduction can be maximized. The structure design will appear as a one-story single-family home, with a pitched roof and building materials typical of a single-family home. 3. Landscape and Site Treatment The existing topography on the site is proposed to be retained. Raingardens have been included in the storm drainage design, which take advantage of existing slopes to channel water to these areas. Most of the mature landscaping on the site is located on top of the retaining wall area on the east side of the site, and consists of shrubs, dead evergreen trees, and a mature Cherry tree. The wood retaining walls in this area of the site are proposed to be replaced with a rockery, and the Cherry tree is proposed to be retained. At least 10 feet of perimeter landscaping is included in the landscape design on all sides of the project site. The front landscape area includes a 20-foot landscape area in front of the wrought -iron fence which will enclose the site, as well as landscaping behind the fence. Perimeter landscaping provides good transition to adjoining properties by providing an attractive streetscape along 42' Ave S and providing screening from adjacent properties on the side and rear yards. 146 Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov TukwilaWA.gov • Website: TukwitaWA.gov Highrine eater District Pump Station #8 Unclassified use Permit and Design Rev ew February 26 2018 Page 19 4. Miscellaneous Structures The emergency generator proposed for the pump station will be located behind the pump station, screened from 42"d Ave S by the pump station building, screened from adjoining properties by landscaping within side yards and the rockery and perimeter landscaping along the rear yard. All other mechanical and utility hardware is proposed to be within the pump station building. A wrought -iron fence is proposed to enclose the property, with a sliding gate to provide access to the site from 42nd Ave S. The wrought -iron material proposed provides a high - quality, strong material for security while at the same time making use of a material and design typical of residential development. Site lighting is proposed to be shielded and restrained to prevent lighting from spilling over to adjacent properties. Per Tukwila Police Department recommendations, lighting will be at 50% strength, only illuminating to full strength when motion is detected on site. RECOMMENDATIONS — DESIGN REVIEW Staff recommends approval of design of the site, building, landscape, and miscellaneous structures as reflected in the attachments to this report. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov 147 64t m ti m z 42111 AYES dVIN uINI3IA r -f T 116.0E nima Nf ac. G'� Sry M. SW I_n;w pea5n W. REVISIONS HIGHLINE WATER DISTRICT PUMP STATION NO. 8 EXISTING SITE PLAN .a. • . S011t cvlcm !OM 00/30,7 { IF - SITE INGRESS AND EGRESS 20 FRONT SETBACK UNDSCOPED AREAS. SEE LANDSCAPING PLAN FOR ADDITIONAL INFORMATION TYP. FUTURE CONNECTION TO WATER MAN WITHIN 42N0 AVENUE. TYP. r CTJN7 160J2aND H1'E9 - LED LIGHTING WITH MOTION DETECTORS TO POWER DOWN T050% LIGHTING WITHOUT ANY MOTION OEIECTEO. Lon TO BE ORECTED AWAY FROM AOIOMNG PROPERTIES TYP. DF 3 SLIDING GATE PER LANDSCAPING PLANS. BUILDING MINIMUM r SETBACK RAIN CARBFN 11 OVERFLOW ELEV 944.5D BOTTOM ELEV:941 OD 25S CUBIC FEET OF STORAGE ROOF DRAIN TYP. BUILDING DRIP EDGE / DRAINAGE SWA1E PROPOSED SITE PLAN10, .9 ( 33799 - MY2 1602612.VD 11'E 9 EXISTING 517E CONTOURS. DRAINAGE SWLE TYP. 10.0 TYPE ;GP ELEV. EOPELEV \ LANDSCAPE BUFFER TVA - H9J AMID SIDE AND REM YARDS\ - 1 21. PUMP STATION A'131911E0 f1.0/1 EI.A'1: 441.M' SSIDE SETBACK, TYP. CTIM Ei37 1609442N0.1FL'X 31.S I/7 BACK SMACK 15' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCT/ONRECORDS RAN GARDEN AU _ OVERFLOW ELEV. 441.50 BOTTOM ELE1:44300 93 CUBIC FEET 05 STORAGE ✓ EXISTING WOODEN WALLS - TO BE REPLACED WITH ROCKERY. TVA. I0 SEWER EASEMENT PER - - 92N0 AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS 15.5 7.5 SEWER EASEMENT PER 92N0 AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS PERMITTING QUANTITIES EXISTING IMPERVIOUS . 3.7E05F (INCLUDING THE EXISTING MOUSE} PROPOSED IMPERVI0054.2075F BUILDING SQUARE FOOTAGE. 1300 SF GRACING TOTAL CUT: SO CV % TOTAL FILL. CY VICINITY MAP S110TH ST PROJECT PARCEL CRESTVE W RESERVOIR PUMP STATION 8 SITE PLAN is R R R R ![ Y $ z "a § t 1 99 0 9 SCALE INN .A..Ae, Att®cl.mmt A A9iIJi1 ry to f7o43fP 14.11-1 Ili re? coNiFef. le0— EV�.n AR 1.101. rLLAA1E Fwel ORA '42404.7 t1 ce pit Ei-latIHEEit- 11 ll; • !� 1 LANDSCAPE SCHEMATIC DESIGN D s• la10. 1 SCALE: F"=I0'-0" 4` NORTH BASE MAP FROM RH2 ENGINEERING; BOTHELL, WA TREE GAIN. 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SDIL MIX (MIX PERSPETSJ EXISTING SUBGRADE UEFAIL GROUND COVER PLANTING NO SCALE Or � rsaeD to-i- barfq- I•ri L•ip1 l4 =4*U- f 44 t_ (P) 36 rlever frr r gf f`-T 13 Bi Mi4' 0t eTi3rf . 1= 6 TO tterv+rl temirilt-f SCiII�;MATIC PLANT MATERIAL LEGEND DECIDUOUS STREET TREES-LO. eelpee.ORO. m Mama Red LlstlO35D.en+,ne..�� Western CONIFERWShan eeping Mosheinus %ACE. ISM EVERGREEN FLOWERING SRNDRR-u^ MOH. DRY.. S. eve. NIL en.i.F,peuwefan.E I. l fa evergreen EmehkeemvveeM...nnm GROUND Hhnpasel,p• ":k; II �++rloak. Gx s -fo eerie° ROCK SHOULD pactedeneeeYAD•mi..emh FENCE Poisson. .see end pie psi...sister RETAINING WALL 110101110. well per Elqlesess GENERAL CONSTRUCTION NOTES gs Including reels. emsh.. SmRemo.< all dash �n:•er.m.mm.reessaving all undesirable vegesolon Iffielessting grasses, wee. Isleeidseme, see. brows awl poplar ..mll.d ed Sep. o.,u,A"ees aN moron al:.nr b`oen:em,.e dd ddIl*l,Al;�seore. w eo e.nl"".ennee.er M.I.ai t•i° sesIsdred berms. 3. Provide soto6040 taR.. 11beds. e.egmagemIUIMr.m add sepia. ramots pwna,.hne MrvrhhAdd lops. miaow sad k.ell..e. Provide RON...-dep.Yp...km hem-R. ..kh to ...R.g beds. M.M. Rosa Sawdust S.p$y, NnAW.,BMl.. FIE MI r top of .r verbs and via.. SSM.tpt. tem..m Yen arms m.ml.. �ee(n.dwarrens,R N pnne..Inl.R.ne.nrY...nlp. A Lapses preset( sued avoid e6ragb eR aR.Mre and NM. Frede o.iRGm cameo... Contractor Is site 42.555.5. 7. All copses.. performed am emieras NON e(m sae Goa !Nigel. nay .a.pNRn.k.n Mt Oar ndplan.Ifn,e.ep..an eml Let .mnII. rn.ke myre otiose., Re Noma. web, Et.g put rep.me.let.sh•R roleal. nR y AMIL vymmemha n.nY eve n Vfolmrp".hn,Mn.mNe nmm. -.mod OHO ens evident =atm inside., asset sue. Ri.W.BM ve•M Mmnnm.. I n eh.lee ...at dew. r If yelo,m, IL Geordies. ith It. N. .. to Ise ere0d.IIB..lon.k Raged., system. FOR SUBMITTAL ONLY - NOT FOR CONSTRUCTION USE U 1 cn x PUMP STATION NO. 8 zZ Wa AW U1_ Ln Wy Z �0 41 Q Los a. U a0 a a a 0 SCALE D- j Attachment A 16 BUTTERFLY VALVE WITH NUT 1 6T.6 AC UAION. TIP OF J IFL6y (ADDER DOWN FROM CATWALK ITYP OE41 FLOW METER VAULT VAULT HATCH OUTLINE 16 ROW METER 16 DISMANTLING JOINT 24'DI PIPE. 1TF J 16 BUTTERFLY VALVE (RAF I 24'1I6' DI REDUCERILUI L J 12' CHECN VALVE. TN? OF3(FLYFL) R'BUTTERFLY VALVE, TYP OF 0 IFLAFLI 12)r601R OUCER TYP OF IFLfL) PRESSOR CAIY2 ASSEMBLY, YP OF 16 DISMANTLNG JOINT YP OF2) 1611TOI TEE ITYP OF 3) 16Y6 DI REDUCER (ROL) PUMP ROOM - BOTTOM FLOOR ELECTRICAL AND CONTROL ROOM - TOP FLOOR 6 DI PIPE. UNDER SAS END SUCTION — CENTRIFUGAL POMP DTP OF J) 6 GATE VALVE. TYP OF 1 (FUEL) 6PRV(FUFLI 6 DISMANTLING 60190'BEND. TYP OF 21FUFL) ATS PANEL MCC PANEL MECHANICAL OBLIQUE N01 16 SCML MECHANICAL SECTION L II It 5 eY06D MECHANICAL SECTION w(wn spa my a' Sp3Mrt PUMP STATION NO. 8 MECHANICAL PLAN 0 SCALE-SROVM 114.66691[1: tow • Mot Iajr, EAST ELEVATION O SCALE 1/4' = MR. DAMNS warn. %NG aD D 00 0 AD 0 ID OD WEST ELEVATION O SCALE 1/4' = m.11.04Gt Amur., DOOF MOM/ t NORTH ELEVATION SCALE 1/4' = 1'-0' � � 5 SOUTH ELEVATION SCALE 1/4' = 1'-0' ARCHITECTURAL ELEVATIONS 0 w SCALE: Rai SVIE A01 Attachment A 0 Attachment A e ►ems 161 Highline Water District Pump Station No. 8 Project Narrative for Unclassified Use Permit and Design Review Prepared by RH2 Engineering, Inc. September 2017 PROJECT AND SITE DESCRIPTION The Pump Station No. 8 (PS8) project was identified in Highline Water District's (District) 2016 Water System Plan to serve water to the 560 Pressure Zone from the 7.6-million-gallon (MG) Crestview Reservoir. Currently, water from the reservoir must pump through Pump Station No. 6 (PS6) to serve the 560 Pressure Zone. The addition of PS8 would significantly improve redundancy in the system, allowing the District's largest storage reservoir to provide water to customers in the 560 Pressure Zone, and all other connected zones, if PS6 becomes inoperable. The project will be constructed on Parcel No. 537980-0009, located at 16032 42nd Avenue S, within the City of Tukwila (City), and situated in Section 27, Township 23, Range 4 East. Refer to the attached Parcel Records for additional property information and legal descriptions. PS8 is conceptualized as a two-story structure with an approximately 1,300 square foot (sf) footprint. The bottom level would be below -grade and contain the pump room, while the upper level would be at -grade and house electrical and control equipment. In addition to the proposed pump station, work at the PS8 site would include the following. • Installation of a flow meter vault. • Construction of an approximately 350 sf concrete pad for an engine generator (EG). • Addition of a paved access driveway. • Addition of site landscaping. • Addition of site utility piping. Refer to the attached Site Plan, Design Plans, and Design Rendering. The project site lies within the City's Low Density Residential (LDR) Zone. Water pump stations are an "unclassified use" within the LDR Zone. As such, an Unclassified Use Permit (UUP) will be required, subject to a Public Hearing and approval by the City Council. The City will act as lead agency for concurrent State Environmental Policy Act (SEPA) review. The project will also include addition of water main within 42nd Avenue S, within the City of SeaTac (SeaTac); a Right -of -Way Use Permit will be obtained from SeaTac for this portion of the project. UNCLASSIFIED USE NARRATIVE In accordance with Tukwila Municipal Code (TMC) 18.66.060, the following narrative describes how the proposed project complies with the decision criteria for unclassified uses. Facilities have been undergrounded to the maximum extent practicable. Undergrounding the entire project would be infeasible due to the depth of excavation that would be required to house the pumps, electrical equipment, and EG. As such, all pumps and utility piping will be undergrounded, while electrical equipment and the EG will remain above grade. However, all 9/22/2017 4:23 PM 1 J:IDATAIHWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX 1 Attachme43 Highline Water District Unclassified Use Permit Project Narrative Pump Station No. 8 September 2017 facilities will be housed within a structure that has been designed to integrate with the neighborhood's residential character. The above -ground element will allow the lot to appear cohesive with the single-family homes that surround the site. The project provides undergrounding of all appropriate and feasible facilities in compliance with TMC 18.66.060(1). The proposed pump station will not be materially detrimental to the public welfare or injurious to the property or improvements in the vicinity. As an improvement to the water system, the project is expected to benefit public welfare. The existing water system lacks redundancy; in the event that PS6 become inoperable, customers within the 560 Pressure Zone would not be able to access water stored in the Crestview Reservoir. Safe drinking water is essential; the proposed PS8 would ensure that stored water continues to be accessible in an emergency. Measures have been taken to ensure that detrimental impacts from noise, lighting, or aesthetics to surrounding properties will not occur. Any noise produced on the site will comply with the City's noise ordinance (TMC Chapter 8.22), which mandates that sound produced within a residential district not exceed 55 A -weighted decibels (dB(A)) during the daytime or 45 dB(A) at night. Per TMC 8.22.100(10), water pump stations are exempt from the nighttime sound reduction. The pumps are not anticipated to produce noise levels greater than 55 dB(A) at adjacent properties during daytime or evening hours. The EG will primarily be operated during power outages, which qualifies for a noise level exemption under TMC 8.22.050(4). The unit will be housed in a Quiet Site II Second Stage enclosure, which provides the greatest level of noise attenuation available. In this configuration, the generator is expected to produce noise levels of approximately 74 dB(A) at 7 meters (23 feet). Occasionally, the District will need to exercise the EG to ensure that it continues to work properly; this use will comply with conditions as outlined in the City's Noise Ordinance. Lighting has been designed to reduce its visual impact on neighboring properties while keeping public safety and security at the forefront. Lighting is necessary to discourage criminal activity such as vandalism or trespassing. However, since the proposed pump station is located in a residential area, lighting design is intended to minimize its visual impact on neighboring properties. Lighting features will be directed downward and hooded to ensure that no light spills over to adjacent properties. In the interest of security, full-strength lighting will be motion -activated; otherwise, nighttime lighting will remain at half -strength. The screening effect from trees and shrubs incorporated into site landscaping is also expected to reduce lighting impacts. As such, lighting is not expected to be detrimental to adjacent properties. Fencing has been chosen to maximize security and aesthetics. Ameristar's Montage II®, or similar industrial and high security ornamental steel fencing, will provide high security with a classically beautiful wrought -iron look. Architectural design has integrated residential features such as a front porch, typical residential cement board siding, and asphalt shingle roofing. Glass blocks on the building exterior will simulate windows, yet act as noise barriers and provide natural light inside the building. Two types of cement board siding have been incorporated to provide texture and detail to the exterior walls and gables. Exterior colors will be natural earth tone colors with simple accent trims to reduce the building's prominence and ensure it blends in with the natural environment. Due to the above measures to mitigate for lighting, noise, and aesthetic impacts, the project will not be materially detrimental or injurious to the public welfare or surrounding property, in compliance with TMC 18.66.060(2). 9/22/21)17 4:23 PM 164 2 J:\DATA\HWD1116-038\PERMITS\TUKWILA\HWD PS8 NARRATIVE FOR UUP.DOCX Attachment B Highline Water District Unclassified Use Permit Project Narrative Pump Station No. 8 September 2017 The proposed PS8 will be located within the LDR Zone and comply with all required development regulations. Per TMC 18.10.057, the maximum building footprint will be less than 35 percent of the lot area. More specifically, Parcel No. 537980-0009, a 10,050 sf lot, has a maximum allowable building coverage of 30.6 percent, or 3,077 sf. The pump station building will cover approximately 1,550 sf, which is well within the allowable limit. Additional development standards are as follows. • Minimum front setback: 20 feet (decks or porches: 15 feet) • Minimum side setback: 5 feet • Minimum rear setback: 10 feet • Maximum height: 30 feet Lot setbacks are shown on the Site Plan; no structures will be placed within setbacks. The pump station building will be the tallest structure on the lot at approximately 18 feet above grade. Parking requirements within TMC are not specified for water pump stations; parking for several District vehicles will be available along the access driveway but stalls will not be designated. As specified in TMC 18.52.030, a non-residential use within the LDR Zone requires Type 1 landscaping. A 15-foot front perimeter landscape strip, along with 10-foot side and rear yard landscaping, will be provided. See the Landscape Plan for details. Development standards for parking, landscaping, yards, and all other development regulations have been met, and are thus in compliance with the criteria of TMC 18.66.060(3). The proposed project will be located in a residential area and is surrounded by primarily single-family residences. The completed project has been designed to resemble a single-family home; its design by the architects of Page & Beard will blend in with neighboring homes and improve the aesthetic of the area. As such, the development will be compatible with surrounding land uses, as preferred by TMC 18.66.060(4). The proposed pump station is located in the McMicken neighborhood of the City, within the District's water service area. Residents of this area of the City rely on the District to provide safe and reliable water both now and in the future. An important component of planning for future water supply is evaluating the existing water supply infrastructure and planning for future improvement projects. The PS8 project is identified in the District's 2016 Water System Plan as necessary for improving redundancy of the water system and meeting the District's supply reliability criteria. As such, the proposed project is consistent with the goals, objectives, and policies of the Comprehensive Land Use Plan and other adopted area plans, as preferred in TMC 18.66.060(5). The project has been designed to avoid all adverse environmental impacts to public and private properties. Possible project locations were limited due to hydraulic considerations and proximity to the Crestview Reservoir and water transmission main tie-in. The site was ultimately chosen because of its potential to benefit public safety and the neighborhood's aesthetic character. Alternative locations would have required tearing down a livable home, while the chosen lot was occupied by a derelict building creating unsafe conditions. Squatters also occupied the home, and its availability was contributing to crime in the area. Since the lot borders Crestview Park, a community gathering spot, improving area safety greatly benefits the neighborhood. Full consideration of alternative designs to reduce and eliminate adverse impacts was also taken into account. The design measures incorporated mitigate for potential impacts to surrounding 9/22/2017 4:23 PM 3 J:IDATAIHWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Attachme14 3 Highline Water District Unclassified Use Permit Project Narrative Pump Station No. 8 September 2017 properties as a result of noise, light, and aesthetics, as discussed previously. By considering and mitigating for possible adverse impacts, the project complies with the criteria of TMC 18.66.060(6). The proposed pump station will not have a significant adverse environmental or economic impact and is not considered an "essential public facility." As such, the criteria of TMC 18.66.060(7) do not apply, and compensatory mitigation will not be required. As discussed previously, PS8 is hydraulically limited to connect to the existing Crestwood Reservoir. There are no non-residential areas near the reservoir. In the City, the surrounding properties are zoned LDR, Neighborhood Commercial Center (NCC), and Residential Commercial Center (RCC). In SeaTac, nearby zones include Urban Low Density Residential (UL-7,200), and Neighborhood Business (NB). These zones are residential or support residential uses. As such, there is no reasonable non-residential alternative for the site (TMC 18.66.060(8)). Although the pump station is an unclassified use within the LDR Zone, its addition will benefit the neighborhood. The lot's on -site septic system (OSS) was failing; the project will eliminate the OSS, thereby removing a source of environmental contamination. The home that previously existed on the property was derelict and unfit for habitation. Removal of the squatters and subsequent demolition of the house improves neighborhood safety. By eliminating a haven for crime, the proposal is expected to benefit public safety and improve neighborhood character. Finally, site design will ensure that the proposed pump station is aesthetically pleasing by incorporating landscaping and architectural design. Landscaping, by increasing vegetation, provides additional local benefits. Plants filter pollutants from water, improve air quality, reduce stormwater runoff, and improve the livability of urban areas. For the reasons listed, the proposed pump station will provide tangible benefits as preferred in TMC 18.66.060(9). DESIGN REVIEW CRITERIA NARRATIVE As required, the proposed project has been designed with the criteria for multi -family, hotel, and motel developments (TMC 18.60.050(B)) in mind. As summarized below, and as fully described in the preceding narrative, HWD's PS8 project is consistent with applicable criteria. Site Planning Building siting, architectural style, and landscaping have been chosen to harmoniously integrate into the neighborhood's character. Existing significant trees will be retained. The design uses landscaping and building shapes to provide a pleasing aesthetic for passersby on the sidewalk, as shown in the Design Rendering. Vegetation and landscaping have been maximized, while impervious surface has been minimized. Rain gardens have been incorporated into site design to serve the dual purpose of providing stormwater runoff control while enhancing aesthetic form and natural features. Building Design The pump station building will be composed of high -quality materials and, as discussed, will incorporate residential architectural details. See the Unclassified Use Narrative for details. 9/22/2017 4:23 PM 166 4 J:\DATA\HWD1116-038\PERMITS\TUKWILA\HWD PS8 NARRATIVE FOR UUP.DOCX Attachment B Highline Water District Unclassified Use Permit Project Narrative Pump Station No. 8 September 2017 Landscape and Site Treatment Perimeter landscaping will enhance the proposed architectural features and provide a natural transition between the pump station and surrounding residential properties. Rain gardens have been incorporated into the design to provide stormwater control using low impact development, complementing and enhancing perimeter landscaping. Miscellaneous Structures All mechanical and electrical equipment will be contained within the pump station building, except for the EG, which will be screened on all sides by fencing and perimeter landscaping. As discussed previously, lighting shall be shielded and restrained, with no off -site glare spill over, and will only illuminate to full strength when motion is detected on site. 9/22/2017 4:23 PM 5 J:IDATAIHWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Attachmen7B Olympic Pipe Line Company, LLC Right of Way Department 600 Southwest 391h Street Suite 275 Renton, WA 98057 November 30, 2017 Jaimie Reavis City of Tukwila Department of Community Development Jaimie.Reavis(c�TukwilaWA.gov (206) 431-3659 RE: Highline Water District Pump Station #8. File #s E17-0013, L170065, and L17-0066 Tukwila, Washington BP File # TPR-10234 To: Jaimie Reavis A review of our records indicates there are no active pipelines owned or operated by BP Pipelines within the scope provided for the above referenced project. Included with this letter is a GIS map indicating the approximate location of the Olympic Pipeline. If the scope of your project has changed, or you disagree with the location of your project as indicated on the map please contact Ken Metcalf at 425-981-2575 or via email at kenneth.metcalf@bp.com. Please note that 811 the national One -Call number must be contacted for clearance prior to any excavation. Sincerely, Tim Fehr 3rd Party Contract Right of Way Supervisor Representing Olympic Pipe Line Company, LLC TF: km Attachln1& t C TPR 10234 City of Tukwila Highline Water District Pump Station #8 Olympic Pipe Line Company, LLC makes no warranty as to the correctness or completeness of the information contained in the attached document, and the user assumes all risk of loss to person or persons and property as a result of reliance thereon. Plans do not reflect depth of cover over pipeline; you must secure equipment and labor for accurate depth determination, coordinate with Olympic Pipe Line for an on -site inspector, Kirk Preston (206) 786-1703. Call 2 business days before you dig. Olympic Pipe Line Company - Ken Metcalf (425) 981-2575, 24 hour emergency (888) 271-8880 Approximate Location of Olympic Pipe Line F'r17' Attaethrnant [_ City of Tukwila Allan Ekberg, Mayor Department of Community Development .- ..lack Pace, Director DETERMINATION OF NON -SIGNIFICANCE (DNS) File Numbers: E17-0013 (SEPA); L17-0065 (Unclassified Use Permit); L17-0066 (Public Hearing Design Review); PL17-0056 (Land Use Project File) Applied: October 9, 2017 Issue Date: December 21, 2017 Applicant: Jeremy DelMar, Highline Water District Lead Agency: City of Tukwila Description of Proposal: Construct a new, approximately 2,600 square foot pump station for Highline Water District, including associated pump, electrical, and control equipment. Approximately 1,350 linear feet of water main will be installed within the right-of-way of 42nd Ave. S. and through a private easement to connect to Military Rd. S. Address: 16032 42nd Ave S, Tukwila, WA Parcel Number: 5379800009 This notice is to confirm the decision reached by Tukwila's SEPA Official to issue a Determination of Non -significance (DNS) for the above project based on the environmental checklist and the underlying permit application. The City has determined that the proposal does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21c.030(2) (c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request. Project materials including the application, any staff reports, and other studies related to the permits are available Monday through Friday 8:30 a.m. - 5:00 p.m. for inspection at Tukwila Department of Community Development 6300 Southcenter Blvd., Suite 100, Tukwila, WA 98188. The project planner is Jaimie Reavis, who may be contacted at (206) 431-3659 for further information. This DNS is issued under WAC 197-11-340(2). Comments must be submitted by January 4, 2018. The lead agency will not act on this proposal for 14 days from the date below. Tukwila City Hall • 5.200 Southrenter Boulevard Tukwila, WA 95188 • 206 433.1800 • W'ebsite' TukwiiaWA. aov Attachme'iiia) Highline Water District Pump Station #8 December 21, 2017 Page 2 Jack Pace, Responsible Official City of Tukwila 6300 Southcenter Blvd. Tukwila, WA 98188 (206) 431-3670 J)t, r-)W7 Date The decision is appealable to the Superior Court pursuant to the Judicial Review of Land Use Decisions, Revised Code of Washington (RCW 36.70C). Any appeal shall be linked to a specific governmental action. The State Environmental Policy Act is not intended to create a cause of action unrelated to a specific governmental action. Appeals of environmental determinations shall be commenced within the time period to appeal the governmental action that is subject to environmental review. (RCW 43.21C.075) Cc: Jeremy DelMar, Highline Water District Kenneth Metcalf, BP Pipelines Inc. State Department of Ecology, SEPA Division King County Assessor 174 Phone; 206-433-1800 • Email: Mayor@wrukwilaWA,gov • Website; TukwilaWA,gov Attachment D Highline Water District Pump Station #8 Project Public Hearing March 5, 2018 Highline Water District Pump Station #8 Project 1. Review & Approval Process 2. Associated Permits & Public Outreach 3. Project Overview 4. Conclusions & Staff Recommendations Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 Review & Approval Process • Project is subject to: • Unclassified Use Permit • Design Review • Type 5 Decision — Quasi-judicial matter based on UUP and Design Review criteria • City Council's role tonight: • Hold a public hearing • Decision — make motion to approve, approve with conditions, or deny the project Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 Associated Permits & Public Outreach • Notice of Application & Notice of Public Hearing: • Posted on site • Mailed • Advertised in Newspaper • Informational Open House • Held November 30, 2017 Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 Review & Approval Process • Project is subject to: • Unclassified Use Permit • Design Review • Type 5 Decision — Quasi-judicial matter based on UUP and Design Review criteria • City Council's role tonight: • Hold a public hearing • Decision — make motion to approve, approve with conditions, or deny the project Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 Highline Water District & Pump Station #8 Project Location S 160TH ST PROJEC- PARCEL CRESTVIEW RESERVOIR 1B +5%, . • - • . S 160.1, SI YEAT9C • 6 I r 01•1=.•••=111,1M RENTON' KENT • • Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 Project Site & Surrounding Development Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 Building Design Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 building design Building Design Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 0- Site Design 16032 r I-986400 .1._ 20 FRCAI- SE-SACA B0-17A1 El TV44 r I ' DRAINAGE SWALE . T I OUSTING SITE contraiRs. rry, EOP B.EV EOP ELEN 444.1O 444.80 -.ow • ..1.• • mm.,-mmo. ••••• IJ IJ PUMP STATION 1710SEED 12.001 ELM 445.111r .44 15.0 swum senticx4- 16 e•Lii. ' m....mm • — 4.=••-..• •••••-,mmr-e•m• • .••••-mmi.- — agm• •••••••• • .0, m•m-mmtLim. ••••••=•-•••• •••••t-mm•-mmt-mmt-m1116-401m,m• •••••••moym-olm....... • Aar• ROOF DRAM BUILDING OPP E 3GE DRAINAGE SWA: 1 RAIN GARDEN:a OVERR EV 444.5a BOT"Ohl ELEV. 44100 AI CUBIC FEET OF STORAGE EXISTING 41110011€0t WALLS TO BE REPLACED WON Kr SEWER EASEMENT PER 42ND AVE. SOWN SE‘WER EXT EASON amentacroi clecoRos ?SEER EASOIENI PER 4214D AVE. SOU1 SEWER EXIT:WO% LONSTROC TON RE CORDS Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 Site Design 7-F14 erlf,P4r Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 Conclusions and Recommendations L17-0065 Unclassified Use Permit Approval of the UUP as proposed L17-0066 Design Review • Approval of the design of the site, building, landscaping, and miscellaneous structures as reflected in the staff report attachments. Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 Next Steps Council Action following hearing: • May make a motion to approve the applications • May modify or deny the project based on the review criteria and the findings of fact in the staff report Staff: • Will issue a Notice of Decision, if approved Department of Community Development Highline Water District Pump Station #8 Public Hearing - March 5, 2018 HighlineWater District Pump Station No.8 City of Tukwila Unclassified Use Permit and Design Review Jeremy S. DelMar, PE Engineering and Operations Manager HighlineWater District RH2 ENGINEERING SINCE 1978 HighlineWater District • Special Purpose District • Formed in 1946 • Serve Seven Cities: Burien Des Moines Federal Way Kent Normandy Park SeaTac Tukwila Unincorporated King County Port of Seattle • Serve Population of 71,000 through 18,650 Service Connections Legend OSarvsa Ara. Boundary t Bohan WM Normandy Park I Sa.taa Tukwila 7.1 Des Moines 7 ` Kant jFederal Way ' I King County 110 HighlineWater District • Approximately 65% of water purchased from Seattle Public Utilities • Produce 35% from own groundwater sources Four wells and three Water Treatment Plants 6.0 MG Average Day Demand 10.5 MG Max Day Demand Storage Facility MGMicicen (by PS4) Heights Why a New a ■ ■ ■r Station? �■ Pump Station 6 built in 1963 and updated in 1997, pumps water from Crestview Reservoir/SPU into 560 Pressure Zone 20 16 Water System Plan identified need for new, modern Pump Station • Improves Redundancy and Resiliency to system in event of a Failure to PS6 • Help to ensure availability of storage in Crestview Reservoir to entire system LEGEND .60.40 ir North Hi Tank Storage Facility McUicken (by PS-4) Heights Star Lake Tank Crestview 7.6 Reservoir Bova Lake Tank Location Considerations • Within District Corporate Boundary • Proximity to Crestview Reservoir and SPU CRPL 4 (S I Got" St) and PS6 Elevation to allow for gravity flow from Reservoir into PS Separate Power Supply (SCL vs PSE) Minimize Impacts to Neighborhood • Cost Location Considerations x i•41111T-15.- '-r 111r/ r 1 Legend QParcels Currently for Sale Supply Sources Q Pump Stations Storage Facilities • • District Boundary' Contours 450 feet (Max BPS Ground Elevation) Pipes .- 560 Zone 600 Zone SPIT Moladrn Heights 4444. Reservoir. and BPS 1D iptir 4401 $ 400th 44 Adiw 020 Aires 4548.443 taus waft 4t 1.13 Acres 41181.150 tI 4440 S 160th St Make Offer 057 Mores 4733 4 14 0I St Vacant Lot 024 Acres s10s,000 7 1 Ogiast Mu- 4.1. 1-_ aaue aroma ammo ...arm .44 u�. « ..: Vicinity Map ti .. n.e. on`-.„n o ;non —501 nr-' • 6032 42'Ave S,TukwiIaWA • Dilapidated Home in Foreclosure • Purchased in I 1 /2016 • Demolished Home 2/20 I C0 Preliminary SftPlan • E b s FE PPP... WAVE. ..440wPPF 1 AREAS SEE i,.EISCAPREt PLAN .0. ADODOgR PPOMJ1TICN TTR LED LIMO EEtECra n TO _ POIWOOMIONVIIMPITINSIMTNCUT ARt icirgainican Lr11E m E EE•CrTD ARMY PEOPPOWEI DPEOPEEDBE rrP CR 1 Sane WE lfP IAIOKAEq Pl ES WUT1J• COM C11aN TO ...AMP IPADOG IONIAI M.nw1E.Ra1RCARWJE 1» sewn(POWOMENr ORbROD REr.0W PAW Na ^51 c1-c.-r, "t��a . 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REWRDS 14DEVER!NAPE PI REr .LE)ARE SOUTH WARN E.id*K:.. iY31011R1CM1tt Ricoor, 0 Exterior Aesthetics 4 0 .010 .41141 Front porch Cement board siding Asphalt shingle roofing Glass block windows Perimeter landscaping with rain gardens Decorative steel fencing from street Pump Station Mechanical • Two Story Building (pumps below ground) • Three 150-hp horizontal split case centrifugal pumps • 5,000 GPM full capacity • Electrical and Maintenance Equipment above ground Noise Attenuation 500 KW Emergency backup power generator • Quiet Site II sound attenuation enclosure • Compliance with Tukwila's noise ordinance • Booster pumps located below grade • Use of Split Case Pumps • Stick Frame Building with interior noise insulation N O O Pump Station g Summary • Increased reliability for 560 Pressure Zone • Ideal site location near Crestview reservoir and Pump Station No. 6 • Building designed to blend into suburban neighborhood • Pumps located below grade and sound attenuated external emergency generator UESTIONS City of Tukwila Allan Ekberg, Mayor INFORMATIONAL MEMORANDUM TO: Tukwila City Council FROM: Jack Pace, Director Community Development BY: Jaimie Reavis, Senior Planner CC: Mayor Ekberg DATE: February 26, 2018 SUBJECT: Highline Water District Pump Station #8 Public Hearing L17-0065 Unclassified Use Permit L17-0066 Design Review ISSUE At the Regular Meeting on March 5, 2018, the City Council is being asked to hold a public hearing and make a decision on Unclassified Use Permit (UUP) and Design Review applications for a new water pump station for the Highline Water District. This is a quasi-judicial matter. BACKGROUND The property on which the new pump station is proposed is 16032 42nd Ave S, and is zoned Low Density Residential (LDR). Pump Station #8 was included in Highline Water District's Water System Plan to provide redundancy in its system, allowing the District to continue to provide water service to customers served by the Crestview Reservoir if their existing Pump Station #6 becomes inoperable. The new pump station structure and site are being designed to look like a single-family home surrounded by landscaping. The 2-story structure proposes one underground level containing the pump room, and one at -grade level containing electrical and control equipment. The project also includes installation of a flow meter vault, construction of an electrical generator and associated concrete pad at the rear side of the property behind the pump station building, paved access driveway, site landscaping, and utility piping. A SEPA Determination of Non -Significance has been approved administratively for the project. DISCUSSION Within the LDR district, a water pump station is designated as an unclassified use, requiring review and approval of an Unclassified Use Permit according to the criteria contained in Chapter 18.66 of the Zoning Code. Unclassified uses within the LDR zone require Design Review according to the criteria in TMC 18.60.050(C). A UUP application is a Type 5 decision, and the Design Review application has been consolidated with the UUP as a Type 5 decision as required per TMC 18.104.030(B). Type 5 decisions are made by the Tukwila City Council following a public hearing. Review of Unclassified Use applications requires a public information meeting prior to the end of the Notice of Application public comment period. A meeting was held on Thursday, Nov. 30th from 4:30-6:30 at Valley View Library. No members of the public attended the meeting. The attached staff report includes a discussion of project consistency with the UUP and Design Review decision criteria. FINANCIAL IMPACT None. 127 INFORMATIONAL MEMO Page 2 RECOMMENDATION L17-0065 UUP. Staff recommends approval of the UUP. L17-0066 Design Review. Staff recommends approval of design of the site, building, landscape, and miscellaneous structures as reflected in the attachments to the staff report. Council is being asked to approve, approve with conditions, or deny the UUP and Design Review applications. ATTACHMENTS Staff report and attachments dated 2/26/2018 Powerpoint presentations by staff and the applicant 128 Z:ICouncil Agenda Items IDCDIQuasi-Judicial Item102 InfoMemo_CouncilPacket.doc City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director Affidavit of Distribution Project Name: HIGHLINE WATER DIST PUMP STATION 8 Project Number: PL17-0056 Associated File Number(s): L17-0065 & L17-0066 Date Mailed: 2/16/18 Mailing requested by: JAIMIE REAVIS Mailer's signature: ❑ Board of Adjustment Agenda Packet ❑ Notice of Application for ❑ Board of Appeals Agenda Packet Shoreline Mgmt Permit ❑ Determination of Non -Significance ❑ Notice of Decision ❑ Determination of Significance & ❑X Notice of Public Hearing Scoping Notice ❑ Notice of Public Meeting ❑ Mitigated Determination of Non- ❑ Official Notice Significance ❑ Other ❑ Notice of Action ❑ Shoreline Mgmt Permit ❑ Notice of Application Parties of Record: ❑ Short Subdivision Agenda • City of Tukwila Notice Of Hearing: Project # PL17-0056 Unclassified Use Permit and Design Review for Highline Water District Pump Station #8 Project Planner: Jaimie Reavis, 206.431.3659, Jaimie.Reavis@TukwilaWa.gov Location: 16032 42nd Ave S; Parcel #5379800009 o' h n 4 -0— M liken Mel " "r Crestview Park - c a ; Tukwila --i Crestview �l'. Park Tukwila. -t- -t- w l 1tk You are invited to comment on the project before the Tukwila City Council at a public hearing scheduled on: March 5, 2018 at 7:00 pm in the Council Chambers located at Tukwila City Hall at 6200 Southcenter Blvd., Tukwila, WA 98188. 7 t_ C Ed, 6 File #s: L17-0065, and L17-0066 Applicant: Jeremy DelMar Property Owner: Highline Water District Project Description: Unclassified Use Permit and Design Review approval for construction of a new, two-story water pump sta- tion and associated improvements. One story will be under- ground, and the other story will be above ground and designed to look like a single-family home. Associated improvements in- clude an electrical generator, access driveway, and landscaping. For further information, please contact the project planner listed above, or visit our offices Monday through Friday, 8:00am to 5:00 pm at DCD 6300 Southcenter Blvd, Ste 100. City of Tukwila Notice Of Hearing: Project # PL17-0056 Unclassified Use Permit and Design Review for Highline Water District Pump Station #8 Project Planner: Jaimie Reavis, 206.431.3659, Jaimie.Reavis@TukwilaWa.gov Location. 16032 42nd Ave S; Parcel #5379800009 !iiiI!iIIIEI . = �a,._ Tukwila •,� Crestview �� �= �Tukwil� Pr NO You are invited to comment on the project before the Tukwila City Council at a public hearing scheduled on: March 5, 2018 at 7:00 pm in the Council Chambers located at Tukwila City Hall at 6200 Southcenter Blvd., Tukwila, WA 98188. File #s: L17-0065, and L17-0066 Applicant: Jeremy DelMar Property Owner: Highline Water District Project Description: Unclassified Use Permit and Design Review approval for construction of a new, two-story water pump sta- tion and associated improvements. One story will be under- ground, and the other story will be above ground and designed to look like a single-family home. Associated improvements in- clude an electrical generator, access driveway, and landscaping. For further information, please contact the project planner listed above, or visit our offices Monday through Friday, 8:00am to 5:00 pm at DCD 6300 Southcenter Blvd, Ste 100. City of Tukwila Department of Community Development 6300 Southcenter Blvd., Ste 100 Tukwila, WA. 98188 You are receiving this notice because you are a property owner or tenant within 500ft of this project City of Tukwila Department of Community Development 6300 Southcenter Blvd., Ste 100 Tukwila, WA. 98188 You are receiving this notice because you are a property owner or tenant within 500ft of this project SELECT AGENCY FEDERAL AGENCIES US ARMY CORP OF ENGINEERS FEDERAL HIGHWAY ADMIN FEDERAL TRANSIT ADMIN DEPARTMENT OF INTERIOR US E.P.A. US DEPT OF H.U.D NAT'L MARINE FISHERIES SERVICE WA STATE AGENCIES OFFICE OF ARCHAEOLOGY WSDOT NW REGION DEPT OF NATURAL RESOURCES OFFICE OF THE GOVERNOR X WASHINGTON DEPT OF COMMERCE WA FISHERIES & WILDLIFE WA FISHERIES & WILDLIFE X WASH DEPT OF SOCIAL/HEALTH DEPT OF ECOLOGY X WA DEPT OF ECOLOGY WA STATE ATTORNEY GENERAL OFFICE OF HEARING EXAMINER KING COUNTY AGENCIES KC BOUNDARY REVIEW BOARD FIRE DISTRICT# 11 FIRE DISTRICT # 2 X KC WASTEWATER TREATMENT KC PARKS & RECREATION X KC ASSESSOR'S OFFICE WRIA 9 - SALMON RECOVERY TEAM X KC HEALTH DEPT PORT OF SEATTLE KC DEV & ENVIRON SERVICES KC METRO TRANSIT/SEPA OFFICIAL KC DEPARTMENT OF NAT'L RESOURCES SCHOOLS / LIBRARIES KC LIBRARY SYSTEM X FOSTER LIBRARY RENTON LIBRARY KENT LIBRARY SEATTLE LIBRARY WESTFIELD MALL LIBRARY TUKWILA SCHOOL DISTRICT HIGHLINE SCHOOL DISTRICT SEATTLE PUBLIC SCHOOLS RENTON SCHOOL DISTRICT UTILITIES X CENTURY LINK X SEATTLE CITY LIGHT X PUGET SOUND ENERGY X HIGHLINE WATER DISTRICT SEATTLE PLANNING & DEVELOPMENT X COMCAST X BP OLYMPIC PIPELINE X VAL-VUE SEWER DISTRICT WATER DISTRICT #20 WATER DISTRICT #125 CITY OF RENTON BRYN MAWR-LAKERIDGE X SEATTLE PUBLIC UTILITIES X CASCADE WATER ALLIANCE ALLIED WASTE X WASTE MANAGEMENT CITY AGENCIES CITY OF TUKWILA DEPARTMENT JACKSON FEDERAL BLDG FISH & WILDLIFE SERVICE WA STATE HABITAT BRANCH TRANSPORTATION DEPARTMENT LEGISLATIVE BUILDING 1011 PLUM STREET LARRY FISHER NW REGIONAL OFFICE SEPA REVIEW ECOLOGY DEPARTMENT CITY OF SEATTLE ENVIRONMENTAL PLANNING -OAP ACCOUNTING DIVISION Katie Beaver - WATERSHED COORDINATION SERVICES PERMITS SEPA INFO CENTER ENVIRONMENTAL PLANNING SEPA Review /Joe Wolf ENVIRONMENT & SAFETY DIV LAND AND PLANNING SERVICES WATER DEPARTMENT PUBLIC WORKS WATER/SEWER DISTRICT JALAINE MADURA, SEPA MICHAEL GAGLIARDO DENNIS MANES DEPARTMENT ADDRESS 4735 E MARGINAL WY S 7115 CAPITOL WAY, STE 501 915 2nd AVE, STE 3142 911 NE llth AVE 1200 6th AVE 909 1st AVE, STE 200 510 DESMOND DR SE, STE 103 PO BOX 48343 PO BOX 330310, MS 240 PO 47015 PO 60X 40002 PO BOX 48300 16018 MILL CREEK BLVD 1775 12 AVE NW, STE 120 PO BOX 1788 3190 160th AVE SE PO BOX 47703 PO BOX 40117 PO BOX 94729 400 YESLER WAY #402 1243 SW 112th 15100 8th AVE SW 201 5 JACKSON ST., MS KSC-NR-0505 201 S JACKSON ST., STE 700 500 4th AVE, RM# 709A 201 SOUTH JACKSON ST., STE 600 401 FIFTH AVE, STE 1100 PO BOX 1209 35030 SE Douglas Street, Ste 210 2015 JACKSON ST., MS KSC-TR-0431 201S JACKSON ST., STE 600 960 N E W PORT WAY NW 14380 Tukwila International Blvd 100 MILL AVE S 212 2nd AVE N 1000 4th AVE 1386 SOUTHCENTER MALL 4640 5 144th STREET 15675 AMBAUM BLVD SW PO BOX 34165 MS 22-332 300 $W 7TH STREET 23315 66th AVE 5 PO BOX 34023 PO BOX 97034, PSE 9N 23828 30th AVE S PO BOX 34019 12645 STONE AVE N 2319 LIND AVENUE SW PO BOX 69550 12606 1st AVE S PO BOX 68147 1055 5 GRADY WAY 6723 5 124th Street PO BOX 34018 11400 SE Sth Street, Suite 440 22010 76°i AVE S 8111-1st AVE S CITY ST 21P SEATTLE WA 98124 OLYMPIA WA 98501 SEATTLE WA 98174 PORTLAND OR 97232 SEATTLE WA 98101 SEATTLE WA 98104 LACEY WA 98503 OLYMPIA WA SEATTLE WA OLYMPIA WA OLYMPIA WA OLYMPIA WA MILL CREEK WA ISSAQUAH WA OLYMPIA WA BELLEVUE WA OLYMPIA WA LACEY WA SEATTLE WA SEATTLE WA SEATTLE WA BURIEN WA SEATTLE WA SEATTLE WA SEATTLE WA SEATTLE WA SEATTLE WA SEATTLE WA SNOQUALMIE WA SEATTLE WA SEATTLE WA EMAIL Contact Name 98504 Gretchen.Kaehler@DAHP.wa.aov 98133 98504 98504 98504 98012 98027 Larry.Fisher@dfw.wa.eov 98504 98008 98504 sepaunit@ecv.wa.gov 98504 98104 98104 98146 98166 98104 98104 98104 Christie.Mastt6lkingcounN.gov 98104 KbeaverWkincicounN.gov 98104 98111 98065 98104 98104 ISSAQUAH WA 98027 TUKWILA WA 98168 RENTON WA 98055 KENT WA 98032 SEATTLE WA 98104 TUKWILA WA 98188 TUKWILA WA 98168 BURIEN WA 98166 SEATTLE WA 98124 RENTON WA 98055 KENT WA SEATTLE WA BELLEVUE WA KENT WA SEATTLE WA SEATTLE WA RENTON WA SEATTLE WA SEATTLE WA SEATTLE WA RENTON WA SEATTLE WA SEATTLE WA BELLEVUE WA KENT WA SEATTLE WA 98032 98124 98009 98032 98124 98133 98055 98168 98168 98168 98055 98178 98124 98004 mciagliardo(dtcascadewater.orq 98032 98108 Gretchen Kaehler Larry Fisher 10mb max Christie Most MICHAEL GAGLIARDO CITY OF KENT CITY OF DES MOINES CITY OF RENTON CITY OF SEATAC CITY OF BURIEN CITY OF SEATTLE STRATEGIC PLANNING OTHER LOCAL AGENCIES X PUGET SOUND REGIONAL COUNCIL X KC CHAMBER OF COMMERCE MUCKLESHOOT Cultural Resources Program MUCKLESHOOT Fisheries Program MUCKLESHOOT Wildlife Program DUWAMISH TRIBE X PUGET SOUND CLEAN AIR AGENCY SOUND TRANSIT/SEPA OFFICIAL DUWAMISH RIVER CLEAN UP COALITION WA ENVIRONMENTAL COUNCIL PEOPLE FOR PUGET SOUND PUGET SOUNDKEEPER FUTUREWISE X TUKWILA HISTORICAL SOCIETY MEDIA SEATTLE TIMES SOUTH COUNTY JOURNAL HIGHLINE TIMES OTHER -OWNER -ETC PLANNING DEPARTMENT PLANNING DEPARTMENT PLANNING DEPARTMENT PLANNING DEPARTMENT PLANNING DEPARTMENT SEPA CONTROL PLANNING & DEVEL 220 FOURTH AVE 5 21630 11TH AVE S 1055 S GRADY WAY 4800 S 188th STREET 415 SW 150th PO BOX 34019 600 4th AVE N300 1011 WESTERN AVE #500 SEATTLE SO. CONVENTION & VISITORS 14220 Interurban Ave S 6 134 Laura Murphy 39015 172nd AVE SE Karen Walter 39015 172nd AVE SE Mike Middleton 39015 172nd AVE SE 4705 W MARGINAL WAY SW SEPA REVIEW 1904 3rd AVENUE, STE 105 UNION STATION 401 SJACKSON STREET 210 S Hudson Street, Ste 332 1402 THIRD AVE, STEM 1400 1402 - 3rd Ave, Ste 1400 130 NIKERSON ST, STE 107 816 SECOND AVENUE, STE 200 WOULD LIKE TO RECEIVE ALL NOTICES - SEND ALL NOTICES BY EMAIL TO BOTH EMAIL ADDRESSES (main and Richard McLeland-Wieser) PO BOX 70 600 S WASHINGTON 133 SW 153rd STREET KENT DES MOINES RENTON SEATAC BURIEN SEATTLE SEATTLE SEATTLE Tukwila AUBURN AUBURN AUBURN SEATTLE SEATTLE SEATTLE SEATTLE SEATTLE SEATTLE SEATTLE SEATTLE SEATTLE KENT BURIEN WA WA WA WA WA WA WA WA WA WA WA WA WA WA WA WA WA WA WA WA WA WA WA 98032 98198 98055 98188 98166 98124 98104 98104 l u n de rwood-bultm annt&psrc. orq 98168 98092 laura.murphy@muckleshoot.nsn.us 98092 Karen.Walter@muckleshoot.nsn.us 98092 mike.middleton(&muckleshoot.nsn.us 98106 98101 98104 98134 98101 98101 98109 98104 Tukwila h i stsoci ety(&tukwila h i story. orq rcwieser@comcast.net 98111 98032 98166 Liz Underwood-bultmann Laura Murphy Karen Walter Mike Middleteon Louise Jones -Brown Richard McLeland-Wieser From: Jaclyn Adams To: )aimie Reavis Bcc: "kenneth.metcalf0bo.com";"tukwilahistsodetvlaltukwilahistorv.ora"; "rcwieserecomcast.net"• "lunderwood- bultmanneosrc.org"; "moaaliardo( dewater.ora" Subject: Notice of Hearing - Highline Water District Pump Station #8 Date: Friday, February 16, 2018 2:51:00 PM Attachments: Half Sheet NOH oastcard Hiohline Pump Station 8.odf Dear Interested Parties: Please see the attached notice of hearing for PL17-0056 Highline Water District — Pump Station #8. This is a unclassified use & design review permit. Please contact project planner Jaimie Reavis with any questions at 206-431-3659 or by email at Jaimie.Reavisc Tukwilawa.gov. Thank you, Jaclyn Adams Administrative Support Specialist' City of Tukwila 6300 Southcenter Bl, Suite 100 I Tukwila, WA 98188 T: 206-431-3670 I F: 206-431-3665 jaclyn.Adams(TukwilaWA.gov 1 Jittp://www.TukwilaWA.gov The city of opportunity, the community of choice Highline Water District Pump Station No. 8 Project Narrative for Unclassified Use Permit and Design Review Prepared by RH2 Engineering, Inc. September 2017 PROJECT AND SITE DESCRIPTION The Pump Station No. 8 (PS8) project was identified in Highline Water District's (District) 2016 Water System Plan to serve water to the 560 Pressure Zone from the 7.6-million-gallon (MG) Crestview Reservoir. Currently, water from the reservoir must pump through Pump Station No. 6 (PS6) to serve the 560 Pressure Zone. The addition of PS8 would significantly improve redundancy in the system, allowing the District's largest storage reservoir to provide water to customers in the 560 Pressure Zone, and all other connected zones, if PS6 becomes inoperable. The project will be constructed on Parcel No. 537980-0009, located at 16032 42nd Avenue S, within the City of Tukwila (City), and situated in Section 27, Township 23, Range 4 East. Refer to the attached Parcel Records for additional property information and legal descriptions. PS8 is conceptualized as a two-story structure with an approximately 1,300 square foot (sf) footprint. The bottom level would be below -grade and contain the pump room, while the upper level would be at -grade and house electrical and control equipment. In addition to the proposed pump station, work at the PS8 site would include the following. • Installation of a flow meter vault. • Construction of an approximately 350 sf concrete pad for an engine generator (EG). • Addition of a paved access driveway. • Addition of site landscaping. • Addition of site utility piping. Refer to the attached Site Plan, Design Plans, and Design Rendering. The project site lies within the City's Low Density Residential (LDR) Zone. Water pump stations are an "unclassified use" within the LDR Zone. As such, an Unclassified Use Permit (UUP) will be required, subject to a Public Hearing and approval by the City Council. The City will act as lead agency for concurrent State Environmental Policy Act (SEPA) review. The project will also include addition of water main within 42nd Avenue S, within the City of SeaTac (SeaTac); a Right -of -Way Use Permit will be obtained from SeaTac for this portion of the project. UNCLASSIFIED USE NARRATIVE In accordance with Tukwila Municipal Code (TMC) 18.66.060, the following narrative describes how the proposed project complies with the decision criteria for unclassified uses. Facilities have been undergrounded to the maximum extent practicable. Underground' a entire project would be infeasible due to the depth of excavation that would be requir4:E V E D the pumps, electrical equipment, and EG. As such, all pumps and utility piping will be Apr 0 9 2017 undergrounded, while electrical equipment and the EG will remain above grade. Howevb11 Community 1 Development 9/22/2017 4:23 PM J:IDATAIHWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Highline Water District Unclassitied Use Permit Project Narrative Pump Station No. 8 September 2017 facilities will be housed within a structure that has been designed to integrate with the neighborhood's residential character. The above -ground element will allow the lot to appear cohesive with the single-family homes that surround the site. The project provides undergrounding of all appropriate and feasible facilities in compliance with TMC 18.66.060(1). The proposed pump station will not be materially detrimental to the public welfare or injurious to the property or improvements in the vicinity. As an improvement to the water system, the project is expected to benefit public welfare. The existing water system lacks redundancy; in the event that PS6 become inoperable, customers within the 560 Pressure Zone would not be able to access water stored in the Crestview Reservoir. Safe drinking water is essential; the proposed PS8 would ensure that stored water continues to be accessible in an emergency. Measures have been taken to ensure that detrimental impacts from noise, lighting, or aesthetics to surrounding properties will not occur. Any noise produced on the site will comply with the City's noise ordinance (TMC Chapter 8.22), which mandates that sound produced within a residential district not exceed 55 A -weighted decibels (dB(A)) during the daytime or 45 dB(A) at night. Per TMC 8.22.100(10), water pump stations are exempt from the nighttime sound reduction. The pumps are not anticipated to produce noise levels greater than 55 dB(A) at adjacent properties during daytime or evening hours. The EG will primarily be operated during power outages, which qualifies for a noise level exemption under TMC 8.22.050(4). The unit will be housed in a Quiet Site II Second Stage enclosure, which provides the greatest level of noise attenuation available. In this configuration, the generator is expected to produce noise levels of approximately 74 dB(A) at 7 meters (23 feet). Occasionally, the District will need to exercise the EG to ensure that it continues to work properly; this use will comply with conditions as outlined in the City's Noise Ordinance. Lighting has been designed to reduce its visual impact on neighboring properties while keeping public safety and security at the forefront. Lighting is necessary to discourage criminal activity such as vandalism or trespassing. However, since the proposed pump station is located in a residential area, lighting design is intended to minimize its visual impact on neighboring properties. Lighting features will be directed downward and hooded to ensure that no light spills over to adjacent properties. In the interest of security, full-strength lighting will be motion -activated; otherwise, nighttime lighting will remain at half -strength. The screening effect from trees and shrubs incorporated into site landscaping is also expected to reduce lighting impacts. As such, lighting is not expected to be detrimental to adjacent properties. Fencing has been chosen to maximize security and aesthetics. Ameristar's Montage Il®, or similar industrial and high security ornamental steel fencing, will provide high security with a classically beautiful wrought -iron look. Architectural design has integrated residential features such as a front porch, typical residential cement board siding, and asphalt shingle roofing. Glass blocks on the building exterior will simulate windows, yet act as noise barriers and provide natural light inside the building. Two types of cement board siding have been incorporated to provide texture and detail to the exterior walls and gables. Exterior colors will be natural earth tone colors with simple accent trims to reduce the building's prominence and ensure it blends in with the natural environment. Due to the above measures to mitigate for lighting, noise, and aesthetic impacts, the project will not be materially detrimental or injurious to the public welfare or surrounding property, in compliance with TMC 18.66.060(2). 2 9/2212017 4:23 PM J:IDATAIHWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Highline Water District -' Unclassified Us`t hermit Project Narrative Pump Station No. 8 September 2017 The proposed PS8 will be located within the LDR Zone and comply with all required development regulations. Per TMC 18.10.057, the maximum building footprint will be less than 35 percent of the lot area. More specifically, Parcel No. 537980-0009, a 10,050 sf lot, has a maximum allowable building coverage of 30.6 percent, or 3,077 sf. The pump station building will cover approximately 1,550 sf, which is well within the allowable limit. Additional development standards are as follows. • Minimum front setback: 20 feet (decks or porches: 15 feet) • Minimum side setback: 5 feet • Minimum rear setback: 10 feet • Maximum height: 30 feet Lot setbacks are shown on the Site Plan; no structures will be placed within setbacks. The pump station building will be the tallest structure on,the lot at approximately 18 feet above grade. Parking requirements within TMC are not specified for water pump stations; parking for several District vehicles will be available along the access driveway but stalls will not be designated. As specified in TMC 18.52.030, a non-residential use within the LDR Zone requires Type 1 landscaping. A 15-foot front perimeter landscape strip, along with 10-foot side and rear yard landscaping, will be provided. See the Landscape Plan for details. Development standards for parking, landscaping, yards, and all other development regulations have been met, and are thus in compliance with the criteria of TMC 18.66.060(3). The proposed project will be located in a residential area and is surrounded by primarily single-family residences. The completed project has been designed to resemble a single-family home; its design by the architects of Page & Beard will blend in with neighboring homes and improve the aesthetic of the area. As such, the development will be compatible with surrounding land uses, as preferred by TMC 18.66.060(4). The proposed pump station is located in the McMicken neighborhood of the City, within the District's water service area. Residents of this area of the City rely on the District to provide safe and reliable water both now and in the future. An important component of planning for future water supply is evaluating the existing water supply infrastructure and planning for future improvement projects. The PS8 project is identified in the District's 2016 Water System Plan as necessary for improving redundancy of the water system and meeting the District's supply reliability criteria. As such, the proposed project is consistent with the goals, objectives, and policies of the Comprehensive Land Use Plan and other adopted area plans, as preferred in TMC 18.66.060(5). The project has been designed to avoid all adverse environmental impacts to public and private properties. Possible project locations were limited due to hydraulic considerations and proximity to the Crestview Reservoir and water transmission main tie-in. The site was ultimately chosen because of its potential to benefit public safety and the neighborhood's aesthetic character. Alternative locations would have required tearing down a livable home, while the chosen lot was occupied by a derelict building creating unsafe conditions. Squatters also occupied the home, and its availability was contributing to crime in the area. Since the lot borders Crestview Park, a community gathering spot, improving area safety greatly benefits the neighborhood. Full consideration of alternative designs to reduce and eliminate adverse impacts was also taken into account. The design measures incorporated mitigate for potential impacts to surrounding 3 9/22/2017 4:23 PM J:IDATAIHWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Highline Water District Unclassified Use Permit Project Narrative Pump Station No. 8 September 2017 properties as a result of noise, light, and aesthetics, as discussed previously. By considering and mitigating for possible adverse impacts, the project complies with the criteria of TMC 18.66.060(6). The proposed pump station will not have a significant adverse environmental or economic impact: and is not considered an "essential public facility." As such, the criteria of TMC 18.66.060(7) do not apply, and compensatory mitigation will not be required. As discussed previously, PS8 is hydraulically limited to connect to the existing Crestwood Reservoir. There are no non-residential areas near the reservoir. In the City, the surrounding properties are zoned LDR, Neighborhood Commercial Center (NCC), and Residential Commercial Center (RCC). In SeaTac, nearby zones include Urban Low Density Residential (UL-7.,200), and Neighborhood Business (NB). These zones are residential or support residential uses. As such, there is no reasonable non-residential alternative for the site (TMC 18.66.060(8)). Although the pump station is an unclassified use within the LDR Zone, its addition will benefit the neighborhood. The lot's on -site septic system (OSS) was failing; the project will eliminate the OSS, thereby removing a source of environmental contamination. The home that previously existed on the property was derelict and unfit for habitation. Removal of the squatters and subsequent demolition of the house improves neighborhood safety. By eliminating a haven for crime, the proposal is expected to benefit public safety and improve neighborhood character. Finally, site design will ensure that the proposed pump station is aesthetically pleasing by incorporating landscaping and architectural design. Landscaping, by increasing vegetation, provides additional local benefits. Plants filter pollutants from water, improve air quality, reduce stormwater runoff, and improve the livability of urban areas. For the reasons listed, the proposed pump station will provide tangible benefits as preferred in TMC 18.66.060(9). DESIGN REVIEW CRITERIA NARRATIVE As required, the proposed project has been designed with the criteria for multi -family, hotel, and motel developments (TMC 18.60.050(B)) in mind. As summarized below, and as fully described in the preceding narrative, HWD's PS8 project is consistent with applicable criteria. Site Pllanning Building siting, architectural style, and landscaping have been chosen to harmoniously integrate into the neighborhood's character. Existing significant trees will be retained. The design uses landscaping and building shapes to provide a pleasing aesthetic for passersby on the sidewalk, as shown in the Design Rendering. Vegetation and landscaping have been maximized, while impervious surface has been minimized. Rain gardens have been incorporated into site design to serve the dual purpose of providing stormwater runoff control while enhancing aesthetic form and natural features. Building Design The pump station building will be composed of high -quality materials and, as discussed, will incorporate residential architectural details. See the Unclassified Use Narrative for details. 4 9/22/2017 4:23 PM J:IDATAWWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Highline Water District Pump Station No. 8 Unclassified Use Permit Project Narrative September 2017 Landscape and Site Treatment Perimeter landscaping will enhance the proposed architectural features and provide a natural transition between the pump station and surrounding residential properties. Rain gardens have been incorporated into the design to provide stormwater control using low impact development, complementing and enhancing perimeter landscaping. Miscellaneous Structures All mechanical and electrical equipment will be contained within the pump station building, except for the EG, which will be screened on all sides by fencing and perimeter landscaping. As discussed previously, lighting shall be shielded and restrained, with no off -site glare spill over, and will only illuminate to full strength when motion is detected on site. 5 9/22/2017 4:23 PM J:IDATAIHWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Fir t 3i :wan First American Title Insurance Company 818 Ste St, Ste 800 Seattle, )8101 Phn - (206)728-0400 (800)826-7718 Fax - King County Title Team 818 Stewart St, Ste. 800, Seattle, WA 98101 Fax No. (866) 904-2177 Fax No. (866) 561-3729 EMAIL: TITLEKINGWA@firstam.com Pat Fullerton (206) 615-3055 Kelly Cornwall (206) 336-0725 Jennifer Salas (206) 615-3011 Peter Child (206) 336-0726 Curtis Goodman (206) 615-3069 Municipality Title Officer To: Abeyta & Associates 1011 SW Klickitat WAY STE 206 Seattle, WA 98134 Attn: Rosa Villa Kathy J. Turner (206) 336-0724 File No.: 4209-2728630 Customer Reference: 16032 42nd Avenue S, Tukwila, WA 98188 Re: Property Address: 16032 42nd Avenue S, Tukwila, WA 98188 Second Commitment RECEIV OCT 0 9 2011 Community Development First American Title Form No. ' 068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitm€ Page 2 of 10 COMMITMENT FOR TITLE INSURANCE Issued by FIRST A MERICA N TITLE INSURANCE COMPANY Agreement to Issue Policy We agree to issue a policy to you according to the terms of this Commitment. When we show the policy amount and your name as the proposed insured in Schedule A, this Commitment becomes effective as of the Commitment Date shown in Schedule A. If the Requirements shown in this Commitment have not been met within six months after the Commitment Date, our obligation under this Commitment will end. Also, our obligation under this Commitment will end when the Policy is issued and then our obligation to you will be under the Policy. Our obligation under this Commitment is limited by the following: The Provisions in Schedule A. The Requirements in Schedule B-I. The General Exceptions and Exceptions in Schedule B-II. The Conditions. This Commitment is not valid without Schedule A and Section I and II of Schedule B. First American Title Insurance Company Pat Fullerton, Title Officer First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitment Page 3 of 10 SCHEDULE A 1. Commitment Date: October 21, 2016 at 7:30 A.M. 2. Policy or Policies to be issued: AMOUNT PREMIUM TAX Homeowner's Rate Eagle Owner's Policy $ To Follow $ To Follow $ To Follow Proposed Insured: To Follow Simultaneous Issue Rate ALTA Extended Loan Policy Proposed Insured: To Follow $ To Follow $ To Follow $ To Follow 3. (A) The estate or interest in the land described in this Commitment is: Fee Simple (B) Title to said estate or interest at the date hereof is vested in: CLIFTON R. HARPER, AS HIS SOLE AND SEPARATE PROPERTY 4. The land referred to in this Commitment is described as follows: Real property in the County of King, State of Washington, described as follows: The land referred to in this report is described in Exhibit A attached hereto. FrstAmerican Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language CommitmE Page 4 of 10 SCHEDULE B SECTION I REQUIREMENTS The following requirements must be met: (A) Pay the agreed amounts for the interest in the land and/or the mortgage to be insured. (B) Pay us the premiums, fees and charges for the policy. (C) Documents satisfactory to us creating the interest in the land and/or the mortgage to be insured must be signed, delivered and recorded: (D) You must tell us in writing the name of anyone not referred to in this Commitment who will get an interest in the land or who will make a loan on the land. We may then make additional requirements or exceptions. (E) Releases(s) or Reconveyance(s) of Item(s): (F) Other: (G) You must give us the following information: 1. Any off record leases, surveys, etc. 2. Statement(s) of Identity, all parties. 3. Other: SCHEDULE B SECTION II GENERAL EXCEPTIONS PART ONE: A. Taxes or assessments which are not shown as existing liens by the records of any taxing authority that levies taxes or assessments on real property or by the public records. B. Any facts, rights, interests, or claims which are not shown by the public records but which could be ascertained by an inspection of said land or by making inquiry of persons in possession thereof. C. Easements, claims of easement or encumbrances which are not shown by the public records. D. Discrepancies, conflicts in boundary lines, shortage in area, encroachments, or any other facts which a correct survey would disclose, and which are not shown by the public records. E. (A) Unpatented mining claims; (B) Reservations or exceptions in patents or in Acts authorizing the issuance thereof; (C) Water rights, claims or title to water; whether or not the matters excepted under (A), (B) or (C) are shown by the public records; (D) Indian Tribal Codes or Regulations, Indian Treaty or Aboriginal Rights, including easements or equitable servitudes. F. Any lien, or right to a lien, for services, labor or materials or medical assistance heretofore or hereafter furnished, imposed by law and not shown by the public records. G. Any service, installation, connection, maintenance, construction, tap or reimbursement charges/costs for sewer, water, garbage or electricity. H. Defects, liens, encumbrances, adverse claims or other matters, if any, created, first appearing in the public records or attaching subsequent to the effective date hereof, but prior to the date the proposed insured acquires of record for value the escrow or interest or mortgage(s) thereon covered by this Commitment. First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitment Page 5 of 10 SCHEDULE B SECTION II EXCEPTIONS PART TWO: Any policy we issue will have the following exceptions unless they are taken care of to our satisfaction. The printed exceptions and exclusions from the coverage of the policy or policies are available from the office which issued this Commitment. Copies of the policy forms should be read. 1. Lien of the Real Estate Excise Sales Tax and Surcharge upon any sale of said premises, if unpaid. As of the date herein, the excise tax rate for the City of Tukwila is at 1.78%. Levy/Area Code: 2326 2. General Taxes for the year 2016. The first half becomes delinquent after April 30th. The second half becomes delinquent after October 31st. Tax Account No.: Amount Billed: Amount Paid: Amount Due: Assessed Land Value: Assessed Improvement Value: Amount Billed: Amount Paid: Amount Due: Assessed Land Value: Assessed Improvement Value: 537980000906 1st Half 1,583.95 1,583.95 0.00 103,000.00 145,000.00 2nd Half $ 1,583.94 $ 0.00 $ 1,583.94 $ 103,000.00 $ 145,000.00 3. Facility Charges, if any, including but not limited to hook-up, or connection charges and latecomer charges for sewer, water and public facilities of Highline Water District as disclosed by instrument recorded under recording no. 20140106000375. 4. Deed of Trust and the terms Grantor/Trustor: Grantee/Beneficiary: Trustee: Amount: Recorded: Recording Information: and conditions thereof. Clifton R. Harper, as his separate estate Mortgage Electronic Registration Systems, Inc., "MERS" Solely As Nominee For Sierra Pacific Mortgage Company, Inc., Its Successors And Assigns Ticor Title Co $197,000.00 June 28, 2006 20060628001453 The beneficial interest was assigned by successive assignments, the last of which was; Recorded: November 13, 2015 Recording information: 20151113001460 To: Ventures Trust 2013-I-H-R by MCM Capital Partners, LLC its trustee. A document recorded November 30, 2015 as 20151130001039 OF OFFICIAL RECORDS provides that Benjamin D. Petiprin, C/O Law Offices of Les Zieve was substituted as trustee under the deed of trust. First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitme Page 6 of 10 A notice of trustee's sale recorded July 06, 2016 as 20160706002191 OF OFFICIAL RECORDS. 5. Lien for Storm and Surface Water Charges in favor of City of Tukwila Against: Amount: Recorded: Recording Information: 6. Lien for Water Connection Against: Amount: Recorded: Recording Information: Clifton R Harper $250.76 January 16, 2013 20130116002464 Charges and/or Rates and Charges in favor of Highline Water District Clifton R Harper $347.86 February 06, 2013 20130206001516 7. The land described in this commitment appears to be residential in nature and may be subject to the provisions of R.C.W. 6.13.010, et seq. (Homestead Statute) if the land is occupied as a primary residence. If the land is occupied as a primary residence, R.C.W. 6.13.060 requires that all documents conveying or encumbering the land must be executed by each spouse or domestic partner, individually. Alternatively, the Company will accept a deed identifying the non -vested spouse occupying the property as the grantor and the vested spouse as the grantee. In the event that the Company receives documents to insure that are not executed as required, the Company may be unable to record or to insure the transaction. Please contact your Title Officer if you have any questions. 8. Right to enter said premises to make repairs and the right to cut brush and trees which constitute a menace or danger to the electric transmission line located in the street or road adjoining said premises as granted by instrument recorded under Recording Number 2642542. 9. Right to make necessary slopes for cuts or fills upon said premises, as granted by Deed. Recording Information: 3464728 Granted To: King County 10. Easement, including terms and provisions contained therein: Recording Information: 20020604000488 In Favor of: Val Vue Sewer District, King County, Washington, a Municipal Corporation For: Right-of-way, over, across, along, through, and under First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitment Page 7 of 10 INFORMATIONAL NOTES A. Potential charges, for the King County Sewage Treatment Capacity Charge, as authorized under RCW 35.58 and King County Code 28.84.050. Said charges could apply for any property that connected to the King County Sewer Service area on or after February 1, 1990. Note: Properties located in Snohomish County may be subject to the King County Sewage Treatment Capacity Charges. B. Effective January 1, 1997, and pursuant to amendment of Washington State Statutes relating to standardization of recorded documents, certain format and content requirements must be met (refer to RCW 65.04.045). Failure to comply may result in rejection of the document by the recorder or additional fees being charged, subject to the Auditor's discretion. C. Any sketch attached hereto is done so as a courtesy only and is not part of any title commitment or policy. It is furnished solely for the purpose of assisting in locating the premises and First American expressly disclaims any liability which may result from reliance made upon it. D. The description can be abbreviated as suggested below if necessary to meet standardization requirements. The full text of the description must appear in the document(s) to be insured. PTN SEC 27 TWP 23N RGE 4E, KING COUNTY APN: 537980000906 E. All matters regarding extended coverage have been cleared for mortgagee's policy. The coverage contemplated by this paragraph will not be afforded in any forthcoming owner's standard coverage policy to be issued. F. The following deeds affecting the property herein described have been recorded within 36 months of the effective date of this commitment: NONE Property Address: 16032 42nd Avenue S, Tukwila, WA 98188 NOTE: The forthcoming Mortgagee's Policy will be the ALTA 2006 Policy unless otherwise noted on Schedule A herein. NOTE: We find no judgments or Federal tax liens against the vestee herein, unless otherwise shown as a numbered exception above. NOTE: A FEE MAY BE CHARGED UPON THE CANCELLATION OF THIS COMMITMENT PURSUANT TO WASHINGTON STATE INSURANCE CODE AND THE FILED RATE SCHEDULE OF THIS COMPANY. First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitme Page 8 of 10 CONDITIONS 1. DEFINITIONS (a)"Morl:gage" means mortgage, deed of trust or other security instrument. (b)"Public Records" means title records that give constructive notice of matters affecting the title according to the state iaw where the land is located. 2. LATIER DEFECTS The Exceptions in Schedule B - Section II may be amended to show any defects, liens or encumbrances that appear for the first time in the public records or are created or attached between the Commitment Date and the date on which all of the Requirements (a) and (c) of Schedule B - Section I are met. We shall have no liability to you because of this amendment. 3. EXISTING DEFECTS If any defects, liens or encumbrances existing at Commitment Date are not shown in Schedule B, we may amend Schedule B to show them. If we do amend Schedule B to show these defects, liens or encumbrances, we shall be liable to you according to Paragraph 4 below unless you knew of this information and did not tell us about it in writing. 4. LIMITATION OF OUR LIABILITY Our only obligation is to issue to you the Policy referred to in this Commitment, when you have met its Requirements. If we have any liability to you for any loss you incur because of an error in this Commitment, our liability will be limited to your actual loss caused by your relying on this Commitment when you acted in good faith to: comply with the Requirements shown in Schedule B - Section I or eliminate with our written consent any Exceptions shown in Schedule B - Section II. We shall not be liable for more than the Policy Amount shown in Schedule A of this Commitment and our liability is subject to the terms of the Policy form to be issued to you. 5. CLAIMS MUST BE BASED ON THIS COMMITMENT Any claim, whether or not based on negligence, which you may have against us concerning the title to the land must be based on this commitment and is subject to its terms. cc: cc: Clifton R Harper First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitment Page 9 of 10 • First American First American Title First American Title Insurance Company 818 Stewart St, Ste 800 Seattle, WA 98101 Phn - (206)728-0400 (800)826-7718 Fax - Privacy Information We Are Committed to Safeguarding Customer Information In order to better serve your needs now and in the future, we may ask you to provide us with certain information. We understand that you may be concerned about what we will do with such information - particularly any personal or financial information. We agree that you have a right to know how we will utilize the personal information you provide to us. Therefore, together with our subsidiaries we have adopted this Privacy Policy to govern the use and handling of your personal information. Applicability This Privacy Policy governs our use of the information that you provide to us. It does not govem the manner in which we may use information we have obtained from any other source, such as information obtained from a public record or from another person or entity. First American has also adopted broader guidelines that govem our use of personal information regardless of its source. First American calls these guidelines its Fair Information Values. Types of Information Depending upon which of our services you are utilizing, the types of nonpublic personal information that we may collect include: • Information we receive from you on applications, forms and in other communications to us, whether in writing, in person, by telephone or any other means; • Information about your transactions with us, our affiliated companies, or others; and • Information we receive from a consumer reporting agency. Use of Information We request information from you for our own legitimate business purposes and not for the benefit of any nonaffiliated party. Therefore, we will not release your information to nonaffiliated parties except: (1) as necessary for us to provide the product or service you have requested of us; or (2) as permitted by law. We may, however, store such information indefinitely, including the period after which any customer relationship has ceased. Such information may be used for any intemal purpose, such as quality control efforts or customer analysis. We may also provide all of the types of nonpublic personal information listed above to one or more of our affiliated companies. Such affiliated companies include financial service providers, such as title insurers, property and casualty insurers, and trust and investment advisory companies, or companies involved in real estate services, such as appraisal companies, home warranty companies and escrow companies. Furthermore, we may also provide all the information we collect, as described above, to companies that perform marketing services on our behalf, on behalf of our affiliated companies or to other financial institutions with whom we or our affiliated companies have joint marketing agreements. Former Customers Even if you are no longer our customer, our Privacy Policy will continue to apply to you. Confidentiality and Security We will use our best efforts to ensure that no unauthorized parties have access to any of your information. We restrict access to nonpublic personal information about you to those individuals and entities who need to know that information to provide products or services to you. We will use our best efforts to train and oversee our employees and agents to ensure that your information will be handled responsibly and in accordance with this Privacy Policy and First American's Fair Information Values. We currently maintain physical, electronic, and procedural safeguards that comply with federal regulations to guard your nonpublic personal information. Information Obtained Through Our Web Site First American Financial Corporation is sensitive to privacy issues on the Internet. We believe it is important you know how we treat the information about you we receive on the Internet. In general, you can visit First American or its affiliates' Web sites on the World Wide Web without telling us who you are or revealing any information about yourself. Our Web servers collect the domain names, not the e-mail addresses, of visitors. This information is aggregated to measure the number of visits, average time spent on the site, pages viewed and similar information. First American uses this information to measure the use of our site and to develop ideas to improve the content of our site. There are times, however, when we may need information from you, such as your name and email address. When information is needed, we will use our best efforts to let you know at the time of collection how we will use the personal information. Usually, the personal information we collect is used only by us to respond to your inquiry, process an order or allow you to access specific account/profile information. If you choose to share any personal information with us, we will only use it in accordance with the policies outlined above. Business Relationships First American Financial Corporation's site and its affiliates' sites may contain links to other Web sites. While we try to link only to sites that share our high standards and respect for privacy, we are not responsible for the content or the privacy practices employed by other sites. Cookies Some of First American's Web sites may make use of "cookie" technology to measure site activity and to customize information to your personal tastes. A cookie is an element of data that a Web site can send to your browser, which may then store the cookie on your hard drive. FirstAm.com uses stored cookies. The goal of this technology is to better serve you when visiting our site, save you time when you are here and to provide you with a more meaningful and productive Web site experience. Fair Information Values Fairness We consider consumer expectations about their privacy in all our businesses. We only offer products and services that assure a favorable balance between consumer benefits and consumer privacy. Public Record We believe that an open public record creates significant value for society, enhances consumer choice and creates consumer opportunity. We actively support an open public record and emphasize its importance and contribution to our economy. Use We believe we should behave responsibly when we use information about a consumer in our business. We will obey the laws governing the collection, use and dissemination of data. Accuracy We will take reasonable steps to help assure the accuracy of the data we collect, use and disseminate. Where possible, we will take reasonable steps to correct inaccurate information. When, as with the public record, we cannot correct inaccurate information, we will take all reasonable steps to assist consumers in identifying the source of the erroneous data so that the consumer can secure the required corrections. Education We endeavor to educate the users of our products and services, our employees and others in our industry about the importance of consumer privacy. We will instruct our employees on our fair information values and on the responsible collection and use of data. We will encourage others in our industry to collect and use information in a responsible manner. Security We will maintain appropriate facilities and systems to protect against unauthorized access to and corruption of the data we maintain. Form 50-PRIVACY (9/1/10) Page 1 of 1 Privacy Information (2001-2010 First American Financial Corporation) First American Title Form No.:L068-2 Commitment No.: 4209-2728630 ALTA Plain. Language Commitme Page 10 of 10 FIRST AMERICAN TITLE INSURANCE COMPANY Exhibit "A" Vested Owner: CLIFTON R. HARPER, AS HIS SOLE AND SEPARATE PROPERTY Real property in the County of King, State of Washington, described as follows: BEGINNING AT A POINT ON THE NORTH LINE OF SECTION 27, TOWNSHIP 23 NORTH, RANGE 4 EAST, W.M., IN KING COUNTY, WASHINGTON, DISTANT NORTH 89°59'10" WEST 2456.10 FEET FROM THE NORTHEAST CORNER OF SAID SECTION 27; THENCE SOUTH 0°15'50" EAST 310.01 FEET TO POINT OF BEGINNING; THENCE CONTINUING SOUTH 0°15'50" EAST 66.66 FEET; THENCE NORTH 89°59'10" WEST 150 FEET; THENCE NORTH 0°15'50" WEST 66.66 FEET; THENCE SOUTH 89°59'10" EAST 150 FEET TO THE POINT OF BEGINNING; (ALSO KNOWN AS THE SOUTH 66.66 FEET OF THE NORTH 346.67 FEET OF LOT 1, BLOCK 5, MCMICKEN HEIGHTS DIVISION NUMBER 2, ACCORDING TO THE UNRECORDED PLAT THEREOF); SITUATE IN THE CITY OF TUKWILA, COUNTY OF KING, STATE OF WASHINGTON. Tax Parcel Number: 537980000906 Situs Address: 16032 42nd Avenue S, Tukwila, WA 98188 First American Title City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director NOTICE OF COMPLETE APPLICATION November 1, 2017 Alicia Pettibone 22722 29th Drive SE, Suite 210 Bothell, WA 98021 Subject: Highline Water District Pump Station 8, 16032 42"d Ave S (parcel #5379800009) L17-0065 (Unclassified Use Permit); L17-0066 (Public Hearing Design Review); E17-0013 (SEPA) PL17-0056 (Land Use Project Parent File) Dear Alicia Pettibone, Your applications for an Unclassified Use Permit, Public Hearing Design Review, and SEPA/Environmental Review to construct a new 1,300 square -foot water pump station and related improvements is considered complete on November 1, 2017 for the purposes of meeting state -mandated time requirements. This determination of complete application does not preclude the ability of the City to require that you submit additional plans or information, if in our estimation such information is necessary to ensure the project meets the substantive requirements of the City or to complete the review process. This notice of complete application applies only to the permits identified above. It is your responsibility to apply for and obtain all necessary permits issued by other agencies. Please feel free to contact me with any questions at (206) 431-3659 or Jaimie.Reavis@TukwilaWA.gov. Sincerely, Jaimie Reavis Senior Planner Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov CITY OF TUKWILA Department of Community Development 6300 Southcenter Boulevard, Tukwila, WA 98188 Telephone: (206) 431-36',70 UNCLASSIFIED USE PERMIT INFORMATION The following uses are of such unusual, large scale, or special form that they cannot be automatically included as a type of use (permitted, accessory or conditionally permitted) in any Zoning Code district. They are identified as "Unclassified Uses" and require approval by the City Council. • Airports, landing fields and heliports • Animal Rendering • Cement Manufacturing • Correctional Institutions • Electrical Substations • Essential public facilitites not otherwise permitted or conditionally permitted • Hydroelectric and private utility power generating plants • Landfills and excavations which are environmentally significant • Manufacturing, refining or storing highly volatile, noxious or explosive products (except accessory storage) • Mass transit stations (publicly operated) • Neighborhood stormwater detention and treatment facilities • Quarries • Railroad freight or classification yards • Sewage lift stations • Stormwater pump stations • Refuse transfer stations (publicly operated) • Water utility reservoirs and related facilities • Water pump stations • Other similar uses not otherwise listed PROCEDURES: At the time you submit your application you must have all of the items listed on the attached "Complete Application Checklist." You may request a waiver from items on the checklist that are not applicable to your project. Please discuss this waiver request with City staff either at a pre -application meeting or at the time of application submittal. Within 28 days of receiving your application, City staff will determine if it is complete based on the attached checklist. If not complete City staff will mail you a letter outlining what additional information is needed. If you do not submit requested materials within 90 days from the City's request for additional information the City may cancel your application. The City Council will hold a Public Hearing on a project after a complete application has been received, project consistency with City development standards has been evaluated and environmental review has been completed. Staff will meet with you as needed, and formulate a recommendation to the City Council. The Council will approve, deny or conditionally approve a development based on review criteria outlined in the Application Packet. EXPIRATION: An Unclassified Use Permit shall automatically expire one year from the date of issuance of a Notice of Decision unless (1) a building permit is obtained, or (2) the use has opened for business within one year from the permit approval date. After approval of a building permit, the approval shall also expire if substantial construction of the project has not begun within two years from the date the permit has been approved. F ECLIV L OCT 092017 Community Development \\deptstore\City Common\Teri\Revisions In Progress\Unclassified Use Permit-Jan2011.docx �t 'G, .1 COMPLETE APPLICATION CHECKLIST The materials listed below must be submitted with your application unless specifically waived in writing by the Public Works Department and the Department of Community Development. Please contact each Department if you feel that certain items are not applicable to your project and should be waived, or should be submitted at a later date for use at the public hearing (e.g. colored renderings). Application review will not begin until it is determined to be complete. ADDITIONAL MATERIALS MAY BE REQUIRED. The initial application materials allow starting project review and vesting the applicant's rights. However, they in no way limit the City's ability to require additional information as needed to establish consistency with development standards. City Staff are available to answer questions about application materials at 206-431-3670 (Department of Community Development) and 206-433-0179 (Department of Public Works). Check items submitted with application Information Required. May be waived in unusual cases, upon approval of both Public Works and Planning APPLICATION MATERIALS: ✓ 1. Application Checklist (1 copy) indicating items submitted with ap lication. ✓ 2. Completed Application Form and drawings (5 copies). ✓ 3. One set of all plans reduced to 8 1/2" x 11" or 11" x 17". ✓ 4. Application Fee: See Land Use Fee Schedule for standard application fee. 5. SEPA Environmental Checklist (see SEPA Application Packet). ✓ ✓ 6. Completed and notarized Affidavit of Ownership and Hold Harmless Permission to Enter Property (1 copy attached). PUBLIC NOTICE MATERIALS: Duplicate notice materials are not required for projects with multiple applications if they will have a single, combined hearing. ✓ 7. Payment of notice board fee (see Land Use Fee schedule) to FastSigns Tukwila OR povide a 4' x 4' public notice board on site within 14 days of the Department determining that a complete application has been received (see Public Notice Sign Specifications Handout). ✓ 8. Pay the fee as established by the Land Use Fee Schedule for generating mailing labels; OR provide an excel spreadsheet of mailing labels for all property owners and tenants (residents and businesses) within 500 feet of the subject property. Each unit in multiple family buildings e.g. apartments, condos, trailer parks --must be included. Once your project is assigned to a planner, you will be required to provide an electronic copy of the mailing label spreadsheet in the following format: Name, Street Address, City St Zip, with each of these fields as an individual column: Name Street Address City, St, Zip Mr. Smith 1234 Park Ave S Tukwila WA 98188 PLEASE NOTE: Regardless of whether you pay the City to generate the mailing labels or you provide them, there is an additional fee for postage and material as listed under Public Notice Mailing Fee on the Land Use Fee Schedule. Payment of this fee is due prior to issuance of the decision and you will receive a separate bill for this fee. ✓ 9. If providing own labels, include King County Assessor's map(s) which shows the location of each property within 500 ft. of the subject lot. PROPERTY INFORMATION: \\deptstore\City Common \Teri\Revisions In Progress\Unclassified Use Permit-Jan2011.docx Check items submitted with application Information Required. guy be waived in unusual cases, upon appro._..1 of both Public Works and Planning 10. Concurrency test notices for water, sewer, surface water and traffic unless the project is exempt from SEPA (see SEPA Application Packet). 11. Sewer and water availability letters are required from the provider district if additional plumbing fixtures are proposed and the area is not serviced by the City of Tukwila. Forms are available at the DCD office. ✓ 12. Title Report: must clearly establish status as legal lot(s) of record, ownership, all known easements and encumbrances, must be dated within 45 days of application filing (two copies). PROJECT DESCRIPTION AND ANALYSIS: ✓ 13. A written discussion of project consistency with decision criteria. (See Application) This is your opportunity to highlight the features of your project. ✓ 14. Provide two copies of sensitive area studies such as wetland or geotechnical reports if needed per Tukwila's Sensitive Areas Ordinance (TMC 18.45). See Geotechnical Report Guidelines and Sensitive Area Special Study Guidelines for additional information. SITE PLAN: ✓ 15. (a) The site plan must include a graphic scale, north arrow and project name. Maximum size 24" x 36". ✓ (b) Existin and ro osed buildin footprints. ✓ ..ck distances from all parcel lot lines. (d) Fire access lanes and turn-arounds per Fire Department standards. (e) Parking lots with dimensioned stalls and drive aisles. (f) Loading and service areas. ✓ (g) Fences, rockeries and retaining walls. (h) Pedestrian connections between the building entrance(s) and the sidewalk/public street. ✓ (i) Vicinity Map with site location; does not have to be to scale. \\deptstore\City Common\Teri\Revisions In Progress\Unclassified Use Permit-Jan2011.docx Check items submitted with application Information kequired. May be waived in unusual cases, upon approval of both Public Works and Planning LANDSCAPE PLAN: ✓ 16. (a) Landscape planting plan by a Washington State licensed landscape architect. One set of all plans and analyses shall have an original Washington State registered Landscape Architect stamp and signature. Plans must include the type, quantity, spacing and location of all plantings. Maximum size 24" x 36". ✓ (b) Show all existing trees to be retained and any tree protection measures required (for example fencing at drip line). SENSITIVE AREAS PLAN: _ 17. (a) Location of all sensitive areas (e.g. streams, wetlands, slopes over 20%, coal mine areas and important geological and archaeological sites). For stream frontage provide existing and proposed top of stream bank, stream bank toe, stream mean high water mark, and base flood elevation (i.e., 100 yr. flood). Maximum size 24" x 36". (b) Location of all required sensitive area buffers, setbacks tracts and protection measures. (c) Show all trees over 4" caliper, indicating those to be retained. A tree permit will be required for removal of any significant trees within a sensitive area or its buffer. (d) Proposed lot and tract lines. CIVIL PLANS (If any site changes are proposed): ✓ 18. (a) One set of all civil plans and analyses shall be stamped, signed and dated by a licensed professional engineer. Include a graphic scale and north arrow. Maximum size 24" x 36". 4/(b) Vertical datum NAVD 1988 and horizontal datum NAD 83/91. Conversion calculations to NGVD 1929, if in a flood zone or flood -prone area. See http://www.tukwilawa.gov/pubwks/pwpermit.html for further information. ✓ (c) Existing (dashed) and proposed (solid) topography at 2' intervals. ✓ (d) Total expected cut and fill. V (e) Existing and proposed utility easements and improvements, on site and in street (water, sewer, power, natural gas, telephone, cable). Schematic designs to be provided regardless of purveyor (e.g. site line size, location, and size of public main). No capacity calcs, invert depth, valve locations or the like are needed. ✓ (f) If additional impervious surface is proposed provide a storm drainage design at least 90% complete, which meets the King County Surface Water Design Manual (KCSWDM). Include a Technical Information Report (TIR) including feasibility analysis if required by the Manual. Call out total existing and proposed impervious surface in square feet. Include all storm drainage conveyance systems, water quality features, detention structures, maintenance access and safety features. For additional guidance contact Public Works or go to http://www.tukwilawa.gov/pubwks/pwpermit.html. ✓ (g) Locate the nearest existing hydrant and all proposed hydrants. (h) Show the 100 yr. flood plain boundary and elevation as shown on FEMA maps. (i) Plan, profile and cross-section for any right-of-way improvements. ✓ (j) Show planned access to lots, driveways, fire access lanes and turn-arounds. \\deptstore\City Common \Teri\Revisions In Progress\Unclassified Use Permit-1an2011.docx Check items submitted with application Information Required. May be waived in unusual cases, upon approval of both Public Works and Planning OTHER: ✓ 19. If new construction is proposed provide dimensioned and scalable building elevations with keyed colors and materials. Show mechanical equipment and/or any proposed screening. ✓ 20. If site lighting changes are proposed provide a luminaire plan including location and type of street and site lighting. Include proposed fixture cut sheets, site light levels (foot-candles), and measures to shield adjacent properties from glare. 21. All existing and proposed signage with sign designs and locations. ✓ 22. A rendering or photo montage is suggested. If submitted it must accurately show the project and be from a realistic perspective (5 to 6 feet above the sidewalk). ✓ 23. Any other drawings or materials needed to explain your proposal. \\deptstore\City Common\Teri\Revisions In Progress\Unclassified Use Permit-Jan2011.docx CITY OF TUKWILA Department of Community Development 6300 Southcenter Boulevard, Tukwila, WA 98188 Telephone: (206) 431-3670 UNCLASSIFIED USE PERMIT APPLICATION FOR STAFF USE ONLY Permits Plus Type: P-UU Planner: aj-iti Mt e i S File Number: L( --C- QS Application Complete Date: i 1 /1 /z 0Project File Number,: L1 1- ApplicationI Incomplete Date: Other File Numbers: NAME OF PROJECT/DEVELOPMENT: Pump Station No. 8 BRIEF DESCRIPTION OF PROJECT: Construct a 1,300 sf water pump station and related improvements. LOCATION OF PROJECT/DEVELOPMENT: (Give street address or, if vacant, indicate lot(s), block and subdivision, access street, and nearest intersection. LIST ALL 10 DIGIT PARCEL NUMBERS. 16032 42nd Avenue S; Parcel 537980-0009 and Public Right -of -Way (ROW) Quarter: NE Section: 27 Township: 23 Range: 4 (This information may be found on your tax statement.) DEVELOPMENT COORDINATOR : The individual who: • has decision making authority on behalf of the owner/applicant in meetings with City staff, • has full responsibility for identifying and satisfying all relevant and sometimes overlapping development standards, and • is the primary contact with the City to whom all notices and reports will be sent. Name: Alicia Pettibone Address: 22722 29th Drive SE Suite 210 Phone: (425) 951-5436 E-mail: apettibone@rh2.com Signature: _ CE V ED OCT 09 2011 community ue'de&Opment FAX: (425) 951-5401 Date: October 5, 2017 \\deptstore\City Common\Teri\Revisions In Progress\Unclassified Use Permit-Jan2011.docx nt PUMP STATION NUMBER 8 5379800009 Associated Files: PL17-0056, E17-0013, L17-0065 This File: 117-0066 DESIGN REVIEW/PUBLIC HEARING City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director March 8, 2018 NOTICE OF DECISION TO: Jeremy Delmar, Highline Water District, Applicant Highline Water District, Owner Kenneth Metcalf, BP Pipelines (North America) Inc. Tim Fehr, Olympic Pipe Line Company, LLC William Holstine (4251 S 160`h St) Michael and Melanie Bowman (16026 42nd Ave S) Christine and Halden Stein (16036 42"d Ave S) King County Assessor, Accounting Division Washington State Department of Ecology This letter serves as a notice of decision and is issued pursuant to TMC 18.104.170 on the following project and permit approval. I. PROJECT INFORMATION Project File Numbers: L17-0065 Unclassified Use Permit L17-0066 Design Review Applicant: Jeremy Delmar, Highline Water District Type of Permit Applied for: Unclassified Use Permit and Design Review approval by Tukwila City Council Project Description: Location: Associated Files: Comprehensive Plan Designation/Zoning District: The proposed project involves construction of a new pump station for the Highline Water District. 16032 42nd Ave. S., Tukwila, WA 98168 Parcel #537980-0009 E17-0013 SEPA Decision Low Density Residential (LDR) Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov Highline Water District Pump Station #8 UUP & Design Review Notice of Decision March 8, 2018 Page 2 II. DECISION SEPA Determination: The City SEPA Responsible Official has previously determined that the project, as proposed, does not create a probable significant environmental impact and issued a Determination of Non -Significance (DNS). Decision on Substantive Permit: The City Council has determined, following an open record hearing, that the applications for an Unclassified Use Permit and Design Review do comply with applicable City and state code requirements and has conditionally approved the Unclassified Use Permit, and has approved the Design Review application, based on the findings and conclusions contained in the staff report. The condition of approval of the Unclassified Use Permit is the following: 4-5 times over a one-year period, acoustical engineering noise measurements will be taken to confirm compliance with the City's noise ordinance, with a copy provided to Tukwila City Administration. The Decision on this Application is a Type 5 decision pursuant to Tukwila Municipal Code §18.104.010. Other land use applications related to this project may still be pending. III. YOUR APPEAL RIGHTS No administrative appeal of the City Council Decision is permitted. Any party wishing to challenge the City Council Decision must file an appeal in King County Superior Court pursuant to the procedures and time limitations set forth in RCW 36.70C. An appeal challenging a DNS, an MDNS or an EIS may be included in such an appeal. If no appeal of the City Council decision is properly filed in Superior Court within such time limit, the Decision on this permit will be final. IV. INSPECTION OF INFORMATION ON THE APPLICATION Project materials including the application, any staff reports, and other studies related to the permits are available for inspection at the Tukwila Department of Community Development, 6300 Southcenter Blvd., Suite 100, Tukwila, Washington 98188 from Monday through Friday between 8:30 a.m. and 5:00 p.m. The project planner is Jaimie Reavis, who may be contacted at 206-431-3659 for further information. Property owners affected by this decision may request a change in valuation for their property tax purposes. Contact the King County Assessor's Office for further information regarding property tax valuation changes. Depa ' -nt of Community Development City of (,ukwila Phone: 206-433-1800 • Email: Mayor@TukwitaWA.gov • Website: TukwitaWA.gov 9/14/2018 Council Meeting 3/5/18 - Jaimie Reavis Council Meeting 3/5/18 Jaimie Reavis Thu 3/8/2018 4:09 PM To:Laurel Humphrey <Laurel.Humphrey@TukwilaWA.gov>; 2 attachments (1 MB) Highline WD Map.pdf; PL17-0056 NOD.pdf; Mr. Holstine, Thank you for the email you sent Monday evening with comments on the Highline Water District Pump Station #8 project, and for following up with me this morning by phone. I talked with Jeremy Delmar at the Highline Water District after your phone call this morning. Below is a written response, in blue, to each of your comments. Agenda Item #5, Pump Station Design: Water is an important commodity and water reservoirs should be located in communities which they serve but unfortunately the Crest View reservoir is not so located. We have it in our neighborhood and receive zero benefit therefrom but it's there. Why would we give up a residential lot in our neighborhood for a pump station when one already exists on 160th Street. There is already a low level hum in our neighborhood that can be heard at night when other neighborhood activities are silent and I suspect it's from the pumps serving the reservoir. I know our city's elected are going to allow the proposed station mainly because utilities have special accommodations no others but medical enjoys so here are some items of what the design should include: Attached is a map showing the Highline Water District service boundary. Per Jeremy Delmar at Highline Water District, the Crestview Reservoir serves areas on the map in blue, green, and orange (Tukwila is represented by the orange color on the map). He also mentioned that the Crestview Reservoir only consists of a water tank, and he said it would not be the source of the hum heard at night in the neighborhood. The Crestview Reservoir provides storage for fire flow to the McMicken neighborhood as well as these other areas on the map. In its decision to locate on a residential lot in Tukwila, Highline Water District looked at alternatives and chose the site based on multiple criteria; a location near Crestview Park and Pump Station #6 were a couple of considerations that were important to the water district. Pump Station #8 is meant to be a redundant station; there will be two pump stations serving the Crestview Reservoir, one served by Puget Sound Energy and the other by Seattle City Light so that if one pump station becomes inoperable the other will be able to continue to provide water service and fire flow to the Highline Water District customers. 1. A heavily sound insulated building to ensure pump noise and any other support device noise is not emitted into the nearby neighborhood with a mandatory not to exceed zero DbA at night. The pump station is designed to have the pumps located underground to keep noise from the pumps contained within the building. The emergency generator located behind the pump station will be tested once weekly to ensure it's working correctly. Otherwise, the emergency generator will only be audible during an emergency or a power outage. 2. Pumps and pump apparatus must be installed on heavy duty isolators to ensure any attendant vibrations are not transmitted into the neighborhood via pipes or soil. Per the Highline Water District, pump vibration is concerning as it relates to the operation of the pumps. Vibration is a sign that the pumps are not working properly. The Highline Water District emphasized their intent to ensure the pumps are kept in good working order so that vibration will be attenuated. https://outlook.office365.com/owa/?viewmodel=ReadMessageltem&Item ID=AAMkADcwOTdiODIILTVIMjEtNDQwMi04MjJmLWUSYzBkNjVhZDIOYwBG... 1/2 9/14/2018 Council Meeting 3/5/18 - Jaimie R��vis 3. The building must represent scale and blend with neighborhood homes and be maintained accordingly. The building is designed to look like a single-family home. The building footprint is 1,300 square feet, and it is 2 stories; since the first level is underground, the building will appear from the street to be a one-story single-family home. It is set back from the street the same distance as the other homes on the east side of 42nd Ave S, north of the project site. 4. Low level night lighting with additional motion sensitive security night lighting. The site will have lighting for security, which will have shields to direct the light downwards, preventing spillover to adjacent properties. The lights will have motion detectors, and be at 50% strength unless motion is detected. 5. Contain nothing that gives it the appearance of a compound but still be secure from the public at large and vagrants. The site will be enclosed by a wrought -iron fence, which provides security and is still residential in nature. Landscaping is designed in front of the fence along 42nd Ave S to provide an attractive area in front of the fence, as well as behind the fence on all sides, to help screen the site from adjacent properties and maintain the residential character of the site. Please note that we received your comments after the comment deadline and after the public hearing. The attached Notice of Decision for the project contains the Tukwila City Council's conditional approval of the project, which includes a condition requiring noise monitoring for the pump station, to be done 4-5 times after the project is built to confirm compliance with the City's noise regulations. Sincerely, Jaimie Reavis Jaimie Reavis Senior Planner ( City of Tukwila 6300 Southcenter Blvd, Suite 100ITukwila, WA 98188 ph: (206) 431-3659 Jaimie.Reavis@TukwilaWA.gov I www.tukwilawa.gov The City of opportunity, the community of choice. https://outlook.office365. com/owa/?viewmodel=Read Message Item&Item I D=AAM kADcwOTdiODI ILTVI Mj EtN DQwM iO4MjJ m LW USYzBkNjVhZD IOYwBG... 2/2 NTS Legend E] Service Area Boundary Buren ri Normandy Park ,1-1 Seater ni Tukwila Des Moines Kent L j Federal Way ri King County City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director STAFF REPORT TO THE TUKWILA CITY COUNCIL Prepared February 14, 2018 HEARING DATE: March 5, 2018 STAFF CONTACT: Jaimie Reavis, Senior Planner FILE NUMBERS: L17-0065 Unclassified Use Permit L17-0066 Design Review ASSOCIATED PERMITS: E17-0013 SEPA Decision APPLICANT: Jeremy DelMar, Highline Water District REQUEST: Unclassified Use Permit and Design Review approval by the Tukwila City Council for a proposed new pump station for the Highline Water District. LOCATION: 16032 42nd Ave. S., Tukwila, WA 98168 Parcel# 537980-0009 COMPREHENSIVE PLAN/ZONING DESIGNATION: Low Density Residential (LDR) NOTIFICATION: A Notice of Application for this Type 5 project was posted on the site and mailed to property owners and tenants within 500 feet of the project site, and to departments and agencies with jurisdiction on November 15, 2017. An informational public open house on the Highline Water District Pump Station #8 project was held at Valley View Library, 17850 Military Road South, SeaTac, WA on November 30, 2017. Notice of Public Hearing was posted on the site and mailed to the applicant, tenants and property owners within 500 feet of the site, parties of record, and to departments and agencies with jurisdiction on February 16, 2018. Notice of public hearing was also published in the Seattle Times on February 20, 2018. Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov Highline Water District Puhip Station #8 Unclassified Use Permit and Design Review February 26, 2018 Page 2 SEPA DETERMINATION: PUBLIC COMMENTS: A Determination of Non -Significance (DNS) was issued for this project on December 21, 2017. One comment was received by email on November 30, 2017, in response to the Notice of Application mailing, from Kenneth Metcalf of BP Pipelines Inc. The email from Mr. Metcalf included a "No Conflict Letter" and associated map, signed by Tim Fehr, 3rd Part Contract Right of Way Supervisor representing the Olympic Pipe Line Company LLC (see Attachment C). The letter and mapping indicate no active pipelines owned or operated by BP Pipelines within the scope of the project. RECOMMENDATIONS: L17-0065 Unclassified Use Permit Staff recommends approval of the Unclassified Use Permit application. ATTACHMENTS: L17-0066 Design Review Staff recommends approval of the design of the building, landscaping, and site layout as reflected in the attachments to this report. A. Plan Set (Existing Site Plan, Pump Station Site Plan, Landscaping Site Plan, Mechanical Plan, Architectural Elevations, Project Renderings) B. Highline Water District Pump Station No. 8 Project Narrative for Unclassified Use Permit and Design Review, prepared by RH2 Engineering, Inc. and dated September 2017 C. Public comment letter from the Olympic Pipe Line Company LLC, dated November 30th, 2017 and signed by Tim Fehr, 3rd Party Contract Right of Way Supervisor. D. SEPA Determination of Non -Significance Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump n #8 Unclassified Use Permit and Design Review February 26, 2018 Page 3 FINDINGS PROJECT DESCRIPTION The proposal is to construct a new pump station structure and associated improvements at 16032 42nd Ave. S. in Tukwila's N1cMicken Heights neighborhood. The project is named Pump Station #8 and was identified in Highline Water District's 2016 Water System Plan as a redundant pump station to Pump Station #6. Pump Station #6 serves water coming from Highline Water District's largest reservoir, the Crestview Reservoir. The addition of Pump Station #8 to the Highline Water District will allow the Crestview Reservoir to continue to provide water to customers in the 560 Pressure Zone, and all other connected zones, if Pump Station #6 becomes inoperable. Pump Station #8 is proposed to be a two-story structure with a building footprint of 1,300 square feet. The first level is proposed to be located underground, containing the pump room. The upper level, proposed to be at -grade, will house electrical and control equipment. The project also includes installation of a flow meter vault, construction of an approximately 350 square -foot concrete pad for an electrical generator, installation of the electrical generator at the rear side of the property behind the purnp station, paved access driveway, site landscaping, and utility piping. Additionally, approximately 1,350 linear feet of 24-inch water main is proposed to be installed within the right-of- way of 42nd Ave S. and through a private easement to connect to Military Rd. S. VICINITY/SITE INFORMATION A. Site Description The project site is located on one lot, approximately 10,000 square feet in size, on the east side of 42nd Ave S between S 160th St and S 164th St. B. Existing Development The site is currently vacant. A single-family home was previously located on the site and was demolished in 2017. C. Surrounding Land Use Surrounding land use consists primarily of single - Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Puriip Station #8 Unclassified Use Permit and Design Review February 26. 2018 Page 4 family homes, which are located adjacent to the project site on its north, south, and west sides. Crestview Park is located on the property to the east of the project site. An area of trees and shrubs at the northwestern corner of Crestview Park is adjacent to the project site. A node of neighborhood commercial development is located south of the project site on both sides of 42"d Ave S on the north and south sides of S 164th St. D. Environmentally Sensitive Areas Areas categorized as Class 2 slopes are located on the west, east, and a portion of the south sides of the property. Class 2 slopes are described as "moderate," and are the least sensitive category of slope class mapped as part of the City of Tukwila's inventory of environmentally sensitive areas. A geotechnical report will be required to be to be submitted as part of the building permit for this project, as is standard for all new buildings. E. Topography The site slopes down from the 42"d Ave S to a flat area that makes up most of the area of the parcel. A retaining wall is located along the south side of the site on the neighboring property, and a series of low wooden walls with steps are located on the east/back side of the parcel, topped with vegetation and a chain link fence along the east property line which separates the site from Crestview Park. The existing wooden walls are in disrepair and are proposed to be replaced with a rockery as part of the project. This area of the site is the beginning of a sllope that continues within Crestview Park's northwestern corner. F. Vegetation Vegetation on the site consists of shrubs and trees on top of the wooden retaining walls at the back of the lot along the east side of the property. Many of the trees in this area are dead, and all the vegetation except for an 8-inch diameter Cherry tree is proposed to be removed as part of the project. Other areas of the site are intermittently covered with grasses and small shrubs. of the site will be replanted with a combination of deciduous and conifer trees, evergreen flowering shrubs, and groundcovers. G. Access Existing access to the site is from 42nd Ave S. The house formerly located on the site had an associated U-shaped access with two driveway entrances off 42"d Ave S. There is one driveway entrance to the site off 42"d Ave S proposed as part of the project, with the rest of the property frontage proposed to be landscaped. REVIIEW PROCESS The property on which the new pump station is proposed is zoned Low Density Residential (LDR). Table 18-6 of the Tukwila Zoning Code lists the land uses allowed by district and designates whether the land use is permitted outright, accessory, conditional, or unclassified. Within the LDR district, a water pump station is designated as an unclassified use, requiring review and approval of an Unclassified Use Permit according to the criteria contained in Chapter 18.66 of the Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump S. ..on #8 Unclassified Use Permit and Design Review February 26, 2018 Page 5 Zoning Code. Additionally, per the requirements of the LDR District contained in zoning code section 18.10, Design Review is required for all unclassified uses. REPORT ORGANIZATION This staff report has been divided into two sections. The first section covers the Unclassified Use Permit; the second section covers the Design Review decision. Staff's conclusions and recommendations follow each section. SECTION ONE — UNCLASSIFIED USE PERMIT In the following discussion, the review criteria for approval of an Unclassified Use Permit (per TMC 18.66.060) are in bold, followed by staff's evaluation of project consistency with the criteria. The applicant's response to the criteria are contained in the project narrative as Attachment B to this report. Decision Criteria — Unclassified Use Permit 1. Where appropriate and feasible, all facilities shall be undergrounded. The Mechanical Plan in the plan set submitted for this project (see Attachment A) shows the proposed arrangement of the pump station equipment within the structure. The bottom floor of the pump station is proposed to be located underground, and to contain all the pumps and utility piping for the project. The top floor, which is proposed to be above ground, is proposed to contain electrical equipment. An emergency generator (EG) is proposed to be located outside of the pump station building on the east side of the site. The applicant's project narrative explains that the pump station facilities "have been undergrounded to the maximum extent practicable. Undergrounding the entire project would be infeasible due to the depth of excavation that would be required to house the pumps, electrical equipment, and EG." 2. The proposed use will not be materially detrimental to the public welfare or injurious to the property or improvements in the vicinity. Prior to its purchase and demolition by the Highline Water District, the home at 16032 42nd Ave S had been a chronic nuisance due to its abandoned and unsecured condition, causing multiple visits from Tukwila Police and Code Enforcement officers. Purchase of the property by the Highline Water District in 2016, and demolition of the home in 2017 resulted in public benefit to the neighborhood. The Highline Water District Pump Station #8 project is being constructed according to Highline Water District's 2016 Comprehensive Water System Plan, which identified the need for a second pump station to serve the 560 Pressure Zone from the 7.6 million -gallon Crestview Reservoir to improve redundancy and resiliency in the overall water system. Currently, water stored in the Crestview Reservoir or source water from Seattle Public Utilities must pump through Pump Station #6 to enter the 560 Pressure Zone. Pump Station Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Puri Station #8 Unclassified Use Permit and Design Review February 26, 2018 Page 6 #8 will also serve the 560 Pressure Zone using modern equipment, and it will receive electrical service from Puget Sound Energy, a different electric utility than Pump Station #6, which is served by Seattle City Light. Providing a second pump station will benefit the public welfare by allowing Highline Water District customers within the 560 Pressure Zone to continue to receive water service if Pump Station #6 becomes inoperable. Additionally, the applicant's project narrative (see Attachment B) describes how the project design includes measures to ensure that potential impacts from noise, lighting, or aesthetics to surrounding properties will not occur, including the following: • The project has been designed with the pumps located underground and the EG within an enclosure providing noise attenuation to ensure compliance with the City of Tukwila noise regulations. • Project lighting is proposed for safety and security of the facility but has been designed to prevent spillover to surrounding properties. Lighting is proposed to be directed downward using hooded lighting fixtures and is proposed to be at half - strength except when it is motion -activated to become full-strength. • The proposed pump station design includes single-family dwelling features and exterior materials, a large amount of perimeter landscaping, and high -security yet ornamental wrought -iron fencing to help the project appear as a single-family home that blends in with surrounding development and the underlying LDR zoning. 3. The proposed use shall meet or exceed the same standards for parking, landscaping, yards and other development regulations that are required in the district it will occupy. The Low -Density Residential District includes regulations related to maximum building footprint, setbacks, building height, and the required number of parking spaces. The project meets or exceeds these requirements, as detailed below: • The project site is 10,050 square feet, with a maximum building footprint of approximately 3,075 square feet according to TMC 18.10.057. The proposed building footprint is approximately 1,550 square feet, in conformance with the maximum building footprint requirement. • The maximum development area requirement in the LDR only applies to single- family development. However, the project meets the 75% maximum development area requirement, in keeping with the proposed site and building design of a single- family development. • The Pump Station 8 Site Plan in Attachment A demonstrates the project's conformance with setback requirements of the LDR zone, including the 20-foot front yard setback, 5-foot side yard setbacks, and 10-foot rear yard setback. The pump station is proposed to be set back approximately 70 feet from the front property line; 11.9 feet from the south property line; 21.3 feet from the north property line; and the emergency generator will be set back from the rear property line at least 16 feet. • The building height of the pump station structure is proposed to be approximately 18 feet above grade, within the 30-foot height limit within the LDR zone. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump S. .,an #8 Unclassified Use Permit and Design Review February 26, 2018 Page 7 • Figure 18-7 of the Tukwila Zoning Code lists the number of required parking spaces for automobiles, based on the use of a site. However, the number of required parking spaces for a water pump station is not specified in Figure 18-7. The project will not have employees or vehicles based at the site, but instead the site will be visited by Highline Water District employees on a regular and as -needed basis. Paved areas on the west and north sides of the proposed pump station structure will be able to accommodate parking for several Highline Water District Vehicles when employees visit the site. Individual stalls are not proposed to be striped. • TMC 18.52.030, Table A contains the required amount of landscaping for non- residential uses in the LDR zoning district. A minimum of 15 feet of landscaping is required within the front yard setback area, and a minimum of 10 feet of perimeter landscaping is required on all other sides of the site. The "Type" of landscaping required dictates the quantity of trees, shrubs, and groundcover required along the perimeter of a development site. Type 1 landscaping is required on all perimeter areas of this site. The proposed landscaping shown in the Landscape Schematic Design plan sheet of Attachment A includes approximately 60 feet of front yard landscaping, 10 feet of side and rear yard landscaping meeting the Type 1 landscaping requirements for plant materials and quantities. Twenty feet of landscaping per parking stall is also required by this section of the code. The site includes additional landscape area and raingardens which work to achieve the parking lot landscaping requirement. 4. The proposed development shall be compatible generally with the surrounding land uses. The new water pump station structure is proposed to be set back from the property line a similar distance as the homes to the north, which was the pattern the home previously located on the site followed. The size of the structure and the height are proposed to be similar in scale to the surrounding homes. Landscaping along the perimeter of the project site will also help the project to be compatible with the surrounding single-family homes and Crestview Park. 5. The proposed development shall to the maximum extent feasible be consistent with and promote the goals, objectives, and policies of the Comprehensive Land Use Policy Plan and applicable adopted area plans. Following are the relevant policies of the Tukwila Comprehensive Plan: Residential Neighborhoods 7.3.4 Use new development to foster a sense of community and replace lost vegetation and open spaces with improvements of at least equal value to the community. The new pump station will be of great value to the community to help safeguard an uninterrupted water supply. Additionally, the new structure and site improvements proposed will be designed to blend in with the existing residential structures along 42nd Ave S. New landscaping and storm drainage features will provide more vegetation than was Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump Station #8 Unclassified Use Permit and Design Review February 26, 2018 Page 8 previously located on the site and will help screen the pump station from neighboring properties. 7.6.3 Employ appropriate design elements to blend in with the character of the residential neighborhood. The architectural design of the pump station, at approximately 18-feet in height and one- story above grade, will blend in with adjacent single-family homes on 42nd Ave S. Building materials are proposed to be the same as are used on single-family homes, and landscaping proposed for the site will also help the new pump station development blend in with the character of the residential neighborhood. 7.8.7 Ensure that urbanization and development do not negatively impact current neighborhood noise levels and adhere to Environmental Protection Agency and Federal Aviation Administration standards. The first level of the pump station is proposed to be underground, where the pumps will be located to minimize noise levels of adjacent properties. Tukwila's noise regulations exempt "sounds created by existing or new electrical substations and existing or new stationary equipment used in the conveyance of water, waste water and natural gas by a utility" up to 50 feet from the sound -producing source. Per the applicant's project narrative, the pumps are not anticipated to produce noise levels greater than 55 dB(A) at adjacent properties during daytime or evening hours. Section 8.22.050 of Tukwila's noise regulations include maximum permissible levels of 55 dB(A) during daytime hours and 45 dB(A) during nighttime hours. TMC Chapter 8.22 defines "nighttime" as 10PM-7AM Monday through Friday and 10PM-8AM Saturday, Sunday and State -recognized holidays. The purpose of the emergency generator on the project site is to provide power to the pump station during power outages. The generator is expected to produce noise during power outages and during regular testing. The emergency generator is proposed to be housed in an enclosure designed to dampen noise and is expected to provide noise levels of approximately 74 dB(A), when measured 23 feet from the location of the generator. Tukwila noise regulations in TMC Chapter 8.22 limit the maximum permissible sound levels when measured at or within the boundary of a residential receiving property to 55 dB(A). However, testing of emergency back-up generators are exempt during daytime hours, defined as 7AM-10PM Monday through Friday and 8AM-10PM Saturday, Sunday and State - recognized holidays. The applicant's project narrative (see Attachment B) states that use of the generator will comply with Tukwila's noise regulations. Utilities Goal 12.1 Utility services and facilities that meet the community's current and future needs in a safe, reliable, efficient, economic and environmentally responsible manner The proposed pump station will help ensure continued water service for customers within Highline Water District who rely on the Crestview Reservoir for a safe and reliable water supply. The proposed Pump Station #8 is a new facility served by a different power provider Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump S Jn #8 Unclassified Use Permit and Design Review February 26, 2018 Page 9 than Pump Station #6; it will be a redundant pump station to help safeguard customers within Highline Water District's 560 Pressure Zone if one of the pump stations has an outage. 12.1.6 Coordinate with other jurisdictions and agencies in planning and implementing utility operations, facility additions and improvements located in or affecting multiple jurisdictions. The first page of this staff report includes a description of the public notification and coordination required for review of the permits associated with this project. The Unclassified Use Permit and Design Review are classified as Type 5 decisions, which require multiple notifications to property owners and tenants within 500-feet of the project site and jurisdictions and agencies with an interest in the project, as well as a public information meeting and a public hearing. 12.1.19 Design, construct and maintain facilities to minimize impacts on adjacent neighborhoods and businesses. The proposed Highline Water District Pump Station #8 facility has been designed to minimize noise, lighting, and aesthetic impacts to surrounding properties. The architectural design of the building locates the water pumps underground to minimize noise impacts to surrounding properties, and the scale of the building. 12.1.21 Provide safe, reliably -maintained and sustainable water service for domestic, commercial, industrial, fire flow and water emergency uses, to meet present and future needs. Pump Station #8 will help implement this policy, providing a redundant pump station to help ensure water customers within the Highline Water District have a secure water supply. 12.1.33 Encourage utilities to consolidate facilities, use existing transportation corridors, and minimize visual impacts of facilities, where technically feasible. The proposed project design includes a building design that meets the need of a water pump station while using similar building massing, building materials, and site design as surrounding single family homes. Landscaping proposed to surround the new pump station will also help to screen the new development from adjacent properties, minimizing visual impacts to surrounding development and land uses. 6. The proposed unclassified use shall, to the maximum extent feasible, mitigate all significant adverse environmental impacts on public and private properties. Full consideration shall be given to: a. alternative locations and/or routes that reduce or eliminate adverse impacts; and b. alternative designs that reduce or eliminate adverse impacts. The Highline Water District considered several different sites in vicinity of the Crestview Reservoir for Pump Station #8. Other sites considered would have involved demolition of existing homes currently occupied by homeowners or tenants. The site on which Pump Station #8 is proposed had been a vacant, unsecured home which had required action from Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website:TukwilaWA.gov Highline Water District Puny Station #8 Unclassified Use Permit and Design Review February 26, 2018 Page 10 Tukwila's Code Enforcement and Police officers. The project considers impacts on public and private properties from noise, light, and aesthetics, and has included mitigation measures in its design to address them. 7. In the event that a proposed essential public facility of a countywide or statewide nature creates an unavoidable significant adverse environmental or economic impact on the community, compensatory mitigation shall be required. Compensatory mitigation shall include public amenities, incentives or other public benefits which offset otherwise unmitigated adverse impacts of the essential public facility. Where appropriate, compensatory mitigation shall be provided as close to the affected area as possible. This project meets the definition of an essential public facility but does not create an unavoidable significant adverse environmental or economic impact on the community. 8. For uses in residential areas, applicants shall demonstrate that there is no reasonable nonresidential alternative site for the use. There is a small area of seven parcels on the east side 42nd Ave S and the north side of S 164th St at the northeastern corner of this intersection zoned for mixed -use development. The zoning on these parcels is either Neighborhood Commercial Center (NCC) or Residential Commercial Center (RCC). All these parcels are developed and occupied by existing businesses, homes, or a combination of commercial and residential development. Per the applicant's project narrative, hydrology requirements including adjacency to the Crestview reservoir, were determining factors in the choice of where to locate Pump Station #8. The applicant has cited the technical requirements of the pump station and the lack of nonresidential alternatives near the Crestview Reservoir to demonstrate there is no reasonable alternative site for the use. 9. For uses in residential areas, applicants shall demonstrate that the use provides some tangible benefit for the neighborhood. The completed project will result in a secure facility, designed to blend in with the surrounding neighborhood and screened from adjacent properties by landscaping on all sides of the new water pump station. The completed project will improve the existing site and will provide water customers in the neighborhood a more secure water system. 10. Secure community transition facilities shall meet the following additional criteria: This criterion is not applicable to this project as it is not a secure community transition facility. CONCLUSIONS - UNCLASSIFIED USE PERMIT 1. The proposed design of Highline Water District Pump Station #8 includes an underground level containing all the pumps and utility piping for the project. The top floor, which is proposed to be above ground, is proposed to contain electrical Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump . on #8 Unclassified Use Permit and Design Review February 26, 2018 Page 11 equipment. The applicant's project narrative explains that the pump station facilities "have been undergrounded to the maximum extent practicable. Undergrounding the entire project would be infeasible due to the depth of excavation that would be required to house the pumps, electrical equipment, and EG." 2. Purchase of the 16032 42nd Ave S property by the Highline Water District, and subsequent demolition of the existing home of the site, rectified a chronic nuisance in the neighborhood. Construction of the new pump station at this location will help ensure reliable water service for Highline Water District customers in the 560 Pressure Zone served by the Crestview Reservoir or source water from Seattle Public Utilities. The project has been designed to mitigate potential impacts to surrounding properties and improvements in the vicinity related to noise, lighting, and aesthetics. 3. The project meets or exceeds the development standards within the Low Density Residential district. 4. The proposed development is compatible with surrounding land uses, proposing a similar front yard setback distance as the homes to the north, a building footprint and building height similar in scale to the surrounding homes, and landscaping along the perimeter of the project site to enhance the site as well as provide a buffer and screening for adjacent single-family homes to the north and south as well as Crestview Park to the east. 5. The proposed development is consistent with the Comprehensive Land Use Plan, including goals and policies within the Residential Neighborhoods and Utilities elements. 6. The Highline Water District considered several alternative project sites in vicinity of the Crestview Reservoir for Pump Station #8. Other sites considered would have involved displacement of homeowners and tenants of existing occupied and livable homes. The project design has included elements to reduce or eliminate adverse noise, lighting, and aesthetic impacts. 7. The proposed project meets the definition of an essential public facility, but will not create a significant adverse environmental or economic impact on the community. 8. There is no reasonable alternative site for the Pump Station #8 project due to hydrology requirements for a pump station serving the Crestview Reservoir and lack of nonresidential sites. Parcels within vicinity of the Crestview Reservoir are zoned for either single-family development (LDR), or a mix of commercial and residential development (NCC and RCC). Parcels zoned NCC and RCC are developed and occupied by existing businesses, homes, or a combination of commercial and residential development. 9. The completed project will result in a secure facility, designed to blend in with the surrounding neighborhood and screened from adjacent properties by landscaping on all sides of the new water pump station. The completed project will improve the existing site and will provide water customers in the neighborhood a more secure water system. RECOMMENDATIONS — UNCLASSIFIED USE PERMIT Staff recommends approval of the Unclassified Use Permit as proposed. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website,. TukwilaWA.gov Highline Water District Puny Station #8 Unclassified Use Permit and Design Review February 26, 2018 Page 12 SECTION TWO - DESIGN REVIEW Non-residential development in a Low Density Residential Zone is subject to the Multi -Family, Hotel and Motel Design Review Criteria contained in TMC 18.60.050 (C). The design criteria explain the requirements for development proposals. They are the decision criteria from which the Council will evaluate whether to approve, condition, or deny this project. The design criteria are shown below in bold, followed by Staff's comments. For the applicant's response to the design review criteria, see Attachment B. Decision Criteria — Multifamily, Hotel, and Motel Design Review and Multi -Family Design Manual 1. SITE PLANNING. a. Building siting, architecture, and landscaping shall be integrated into and blend harmoniously with the neighborhood building scale, natural environment, and development characteristics as envisioned in the Comprehensive Plan. For instance, a multi family development's design need not be harmoniously integrated with adjacent single-family structures if that existing single-family use is designated as "Commercial" or "High -Density Residential" in the Comprehensive Plan. However, a "Low -Density Residential" (detached single-family) designation would require such harmonious design integration. The proposed front yard building setback for Pump Station #8 is similar to the single- family homeformerly located on the project site, as well as the home on the property adjacent to the project site on its north side. Landscaping along the project perimeter, including areas in front and behind the proposed wrought -iron fence in the front yard, will help screen views of the building from the street and adjacent properties. The building is designed to look like a single-family home, having a similar size and building height as surrounding single-family homes, and making use of residential building materials including horizontal siding, shingles, and glass block windows within framed window areas. All these design features will help the project blend in with surrounding single-family development. b. Natural features, which contribute to desirable neighborhood character, shall be preserved to the maximum extent possible. Natural features include, but are not limited to, existing significant trees and stands of trees, wetlands, streams, and significant topographic features. There are few existing natural features on site to preserve. However, those that exist are proposed to be retained and incorporated into the design of the Pump Station #8 project. The slope within the front yard of the project site will continue to slope down towards the building site from the street frontage of 42nd Ave S, where stormwater is proposed to be collected within a new raingarden just to the west of the parking area located in front of the pump station garage. A new rockery will be constructed to Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump .,on #8 Unclassified Use Permit and Design Review February 26, 2018 Page 13 replace existing wood retaining walls along the rear side of the property. The existing topography will be retained through construction of the new rockery, and drainage from slopes on this side of the property will be collected in a second raingarden at the bottom of the rockery at the northeastern corner of the site. A mature Cherry tree located on top of the existing retaining wall at the eastern side of the property is also proposed to be retained. c. The site plan shall use landscaping and building shapes to form an aesthetically pleasing and pedestrian scale streetscape. This shall include, but not be limited to facilitating pedestrian travel along the street, using architecture and landscaping to provide a desirable transition from streetscape to the building, and providing an integrated linkage from pedestrian and vehicular facilities to building entries. A large area of landscaping is proposed in between the pump station building and 42"d Ave S, located both in front of and behind the wrought -iron fence proposed to enclose the site. Employees of the Highline Water District are the only visitors expected at the site, and they will access the site via Highline Water District vehicles. The proposed paved driveway connecting from the street to the pump station garage and the drive on the north side of the building will provide pedestrian access to the front door of the building, located on the building's north elevation. d. Pedestrian and vehicular entries shall provide a high -quality visual focus using building siting, shapes and landscaping. Such a feature establishes a physical transition between the project and public areas and establishes the initial sense of high quality development. Access to the site will be primarily by vehicle and is provided by a driveway from 42"d Ave S on the north side of the site. Landscape areas are located on both sides of the driveway. On the west side of the wrought iron fence proposed to enclose the site, a landscape area comprised of trees, shrubs, and groundcover will provide the street - facing front yard. A deciduous tree proposed on each side of the driveway directly in front of the sliding gate act to frame the entry, signifying a transition from the street to the private property area on the east side of the fence. Landscaping on the east side of the fence functions to screen the site from adjacent properties, as well as to support the raingarden storm drainage features. e. Vehicular circulation design shall minimize driveway intersections with the street. Previous development on the site was accessed via a U-shaped driveway that had two access points from 42"d Ave S. The pump station design will only have one access point. f Site perimeter design (i.e., landscaping, structures, and horizontal width) shall be coordinated with site development to ensure a harmonious transition between adjacent projects. The required side yard setback in the LDR zone is five feet for single-family development. Development of the site as an Unclassified Use requires the minimum Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump Station #8 Unclassified Use Permit and Design Review February 26, 2018 Page 14 side yard landscape area to be increased to 10 feet. Landscaping proposed along all sides of the site, and enclosure of the site with a wrought iron fence will provide a harmonious transition between the project site and adjacent properties. g• Varying degrees of privacy for the individual residents shall be provided; increasing from the public right -of way, to common areas, to individual residences. This can be accomplished through the use of symbolic and actual physical barriers to define the degrees of privacy appropriate to specific site area functions. Minimum 10-foot landscape width along the north and south sides of the site, combined with a wrought iron fence to provide security and separate the site from adjacent properties, provide both symbolic and physical barriers to separate the pump station site from adjacent residential properties. h. Parking and service areas shall be located, designed and screened to interrupt and reduce the visual impact of large paved areas; Parking areas within the driveway area on the north side of the building, as well as the parking area on the west side of the building in front of the garage, are separated from adjacent properties and the street by landscape areas. i. The height, bulk, footprint and scale of each building shall be in harmony with its site and adjacent long-term structures. The height, bulk, footprint, and scale of the proposed Pump Station #8 building is in keeping with the design of adjacent single-family homes on the east side of 42nd Ave S. 2. BUILDING DESIGN. a. Architectural style is not restricted; evaluation of a project shall be based on the quality of its design and its ability to harmonize building texture, shape, lines and mass with the surrounding neighborhood. The proposed building will have two stories, with the first story underground. Therefore, the pump station will appear as a one-story structure with a pitched roof, incorporating building materials and details that mimic single-family development. b. Buildings shall be of appropriate height, scale, and design/shape to be in harmony with those existing permanent neighboring developments which are consistent with, or envisioned in, the Comprehensive Plan. This will be especially important for perimeter structures. Adjacent structures that are not in conformance with the Comprehensive Plan should be considered to be transitional. The degree of architectural harmony required should be consistent with the nonconforming structure's anticipated permanence. The building's design compatibility with the surrounding neighborhood is emphasized. An emergency generator is proposed outside of the main pump station structure, on the east side of the site. The generator will be enclosed within a noise -attenuating structure and will be screened from view by the pump station and perimeter landscaping. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump S_, .,on #8 Unclassified Use Permit and Design Review February 26, 2018 Page 15 c. Building components, such as windows, doors, eaves, parapets, stairs and decks shall be integrated into the overall building design. Particular emphasis shall be given to harmonious proportions of these components with those of adjacent developments. Building components and ancillary parts shall be consistent with the anticipated life of the structure. Building materials proposed include six-inch horizontal siding for the body of the structure with board and batten treatment within the roof eave areas. These are materials and proposed arrangement on the pump station structure are consistent with that commonly used in residential development. The garage door design (see Attachment A, Architectural Elevations) is the same as commonly used in residential development, as are the built-up columns used at the front door entry area on the north side of the building, decorative brackets incorporated into the roof eaves, window sills and proportion of window areas. The glass block used in window areas is a sturdy building material and will help to dampen noise from pumps enclosed within the station, while at the same time providing the look of residential windows and allowing natural light into the pump station structure. d. The overall color scheme shall work to reduce building prominence and shall blend in with the natural environment. Actual colors of the building were not submitted with project materials. Attachment A includes a rendering of the structure, showing a color scheme made up of earth tone colors. The second to last paragraph on page 2 of the project narrative (Attachment B) states that "Exterior colors will be natural earth tone colors with simple accent trims to reduce the building's prominence and ensure it blends in with the natural environment." Staff agrees that use of earth tone colors on the Highline Water District Pump Station #8 building will work to reduce building prominence and help the building blend in with the natural environment. e. Monotony of design in single or multiple building projects shall be avoided. Variety of detail, form, and siting shall be used to provide visual interest. Otherwise monotonous flat walls and uniform vertical planes of individual buildings shall be broken up with building modulation, stairs, decks, railings, and focal entries. Multiple building developments shall use siting and additional architectural variety to avoid inappropriate repetition of building designs and appearance to surrounding properties. The proposed building is meant to blend in with surrounding single-family development, and so a small building footprint is proposed, which is set back from the street and screened through use of landscaping at the street frontage and most of the large front yard area, as well as along the entire perimeter of the site. For the small scale of the building, and the design intent for it to blend in with surrounding single-family development, variety of detail to provide visual interest includes single-family design features including two different types of siding, decorative brackets used within the roof Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump Station #8 Unclassified Use Permit and Design Review February 26, 2018 Page 16 eave areas, door and window trim, building and roof modulation at the garage and front door entry areas, and a front porch entry area at the front door entrance to the building which includes built up columns. 3. LANDSCAPE AND SITE TREATMENT. a. Existing natural topographic patterns and significant vegetation shall be reflected in project design when they contribute to the natural beauty of the area or are important to defining neighborhood identity or a sense of place. Retention of existing topography on the site will help the new pump station structure fit in with adjacent development on the east side of 42nd Ave S. Homes north of the project site follow a similar pattern as the proposed pump station site development, having driveways that slope down from 42"d Ave S to a relatively flat area on which the homes are located. An existing mature Cherry tree on the east side of the site adjacent to Crestview Park is proposed to be retained. b. Landscape treatment shall enhance existing natural and architectural features, help separate public from private spaces, strengthen vistas and important views, provide shade to moderate the effects of large paved areas, and break up visual mass. The landscape design includes a mix of deciduous and evergreen trees, flowering evergreen shrubs, and groundcovers in front of the wrought iron fence that will enclose the project site. This landscape area will help screen the wrought iron fence from view and create an aesthetically pleasing green space at the front of the site. Landscaping behind the wrought iron fence helps screen the pump station development from the public and includes raingarden areas at the bottom of sloping areas at the front and rear areas of the site, using storm drainage design which takes advantage of the site topography. c. Walkways, parking spaces, terraces, and other paved areas shall promote safety and provide an inviting and stable appearance. Direct pedestrian linkages to the public street, to on -site recreation areas, and to adjacent public recreation areas shall be provided. Paved areas of the site will provide both vehicle and pedestrian access to the pump station from 42"d Ave S. The paved area of the driveway and areas surrounding the pump station will be illuminated for safety. The site will not be open to the public; there are no on -site recreation areas or connections from the pump station to Crestview Park proposed due to the desire to have the site secured from public access. d. Appropriate landscape transition to adjoining properties shall be provided. Landscaping is proposed along the perimeter of the site. Along 42"d Ave S, landscaping is located both outside and inside of the fence that is proposed to surround the site. This helps the project to present a welcoming front yard along the street front, sharing landscape improvements with the surrounding neighborhood at the front of the site. All other sides of the site have landscaping located on the inner side of the fencing which Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump S,_ .,Jn #8 Unclassified Use Permit and Design Review February 26, 2018 Page 17 will enclose the site, appropriate to delineate the boundary of the project site from adjacent properties while at the same time providing landscaping to screen the water pump station site improvements from adjacent properties. 4. MISCELLANEOUS STRUCTURES. a. Miscellaneous structures shall be designed as an integral part of the architectural concept and landscape. Materials shall be compatible with buildings, scale shall be appropriate, colors shall be in harmony with buildings and surroundings, and structure proportions shall be to scale. The emergency generator proposed as part of this project will be located outside and behind the pump station structure. In addition to being screened from view by the pump station building, the emergency generator will also be screened from view by the rockery on the east side of the project site and landscaping. b. The use of walls, fencing, planting, berms, or combinations of these shall accomplish screening of service yards and other places that tend to be unsightly. Screening shall be effective in winter and summer. A rockery will be built to replace existing retaining walls at the rear of the site which are currently in a state of disrepair, helping to screen the emergency generator from view. A wrought -iron fence is proposed to enclose the property, with a sliding gate to provide access to the site from 42nd Ave S. The wrought -iron material proposed provides a high - quality, strong material for security while at the same time making use of a material and design typical of residential development. c. Mechanical equipment or other utility hardware on roof, ground or buildings shall be screened from view. Screening shall be designed as an integral part of the architecture (i.e., raised parapets and fully enclosed under roof) and landscaping. The new rockery and landscaping located in the rear and side yards surrounding the generator will help to screen it from view. All other mechanical and utility hardware is proposed to be located within the building. d. Exterior lighting standards and fixtures shall be of a design and size consistent with safety, building architecture and adjacent area. Lighting shall be shielded and restrained in design with no off -site glare spill -over. Excessive brightness and brilliant colors shall not be used unless clearly demonstrated to be integral to building architecture. Site lighting is proposed to be shielded and restrained to prevent lighting from spilling over to adjacent properties. Per Tukwila Police Department recommendations, lighting will be at 50% strength and will only illuminate to full strength when motion is detected on site. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump Station #8 Unclassified Use Permit and Design Review February 26, 2018 Page 18 CONCLUSIONS — DESIGN REVIEW 1. Site Planning. The project is designed to blend in with adjacent single-family properties and the surrounding neighborhood. The site design retains existing topography, including a slope down from 42"d Ave S to a level area where the home previously located on the site was, where the new pump station will be built. The existing retaining walls located on the east slide of the site where a slope up to Crestview Park begins is proposed to be reconstructed as a rockery that will maintain the existing topography at the back side of the site. The new pump station will be set back from the street roughly the same distance from the street as the home was, which is also the same distance as the single- family homes on the east side of 42"d St to the north of the project site. The project proposes to reduce the number of driveways from the site to 42"d Ave S down from two to one. A large landscape area at the front of the site, between 42"d Ave S and the new pump station structure, will enhance the view of the property from the street and will screen the pump station structure and associated parking areas from the street and from adjacent properties. Other perimeter landscape areas on the sides and rear yards are at least 10 feet wide and will also work to screen the site from adjacent residential development and Crestview Park. 2. Building Design. Two stories are needed to house the equipment for the pump station. One of the stories has been designed to be located underground so that water pump noise reduction can be maximized. The structure design will appear as a one-story single-family home, with a pitched roof and building materials typical of a single-family home. 3. Landscape and Site Treatment The existing topography on the site is proposed to be retained. Raingardens have been included in the storm drainage design, which take advantage of existing slopes to channel water to these areas. Most of the mature landscaping on the site is located on top of the retaining wall area on the east side of the site, and consists of shrubs, dead evergreen trees, and a mature Cherry tree. The wood retaining walls in this area of the site are proposed to be replaced with a rockery, and the Cherry tree is proposed to be retained. At least 10 feet of perimeter landscaping is included in the landscape design on all sides of the project site. The front landscape area includes a 20-foot landscape area in front of the wrought -iron fence which will enclose the site, as well as landscaping behind the fence. Perimeter landscaping provides good transition to adjoining properties by providing an attractive streetscape along 42"d Ave S and providing screening from adjacent properties on the side and rear yards. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Highline Water District Pump S._ ..on #8 Unclassified Use Permit and Design Review February 26, 2018 Page 19 4. Miscellaneous Structures The emergency generator proposed for the pump station will be located behind the pump station, screened from 42nd Ave S by the pump station building, screened from adjoining properties by landscaping within side yards and the rockery and perimeter landscaping along the rear yard. All other mechanical and utility hardware is proposed to be within the pump station building. A wrought -iron fence is proposed to enclose the property, with a sliding gate to provide access to the site from 42nd Ave S. The wrought -iron material proposed provides a high - quality, strong material for security while at the same time making use of a material and design typical of residential development. Site lighting is proposed to be shielded and restrained to prevent lighting from spilling over to adjacent properties. Per Tukwila Police Department recommendations, lighting will be at 50% strength, only illuminating to full strength when motion is detected on site. RECOMMENDATIONS — DESIGN REVIEW Staff recommends approval of design of the site, building, landscape, and miscellaneous structures as reflected in the attachments to this report. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov m r 44c___ 4 MAILBOXES ( 537980-0009 ) ASPHALT DRIVEWAY 16032'42ND AVE S 1!/ 1 I 4 / BUILDING , , r; I/ ECO BLOCK WALL 6' WOODEN FENCE BLOCK BORDER - 444 !._ -44 ( 537980-0002 ) 16026 42ND AVE S BUILDING SCALED LOCATION -OF. REMOVED BUILDING BLOCK WALL WITH 8' WOODEN FENCE EXISTING SITE PLAN4. 1"=10' GATE ( 537980-0003 ) 16036 42ND AVE S 6' WOODEN FENCE I[ , IJ I 4.4 .. 15' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS 1 L `; 6' CHAINUNK FENCE WOODEN WALL WOODEN STEPS 10' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS WOODEN STEPS . 11 7.5' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS RECEIVED OCT 31 2017 PUBLILA f WORKS RECEIVED OCT 09 201? VICINITY MAP Community Development PROJECT PARCEL -11 I I CRESTVIEW RESERVOIR w rvro zYsi $ z. 8 8 . y z "ill U_ I.V N • Z CC Z W O as W Z 2 a 2 2 REVISIONS oge Sep 26, 2017 A a 3 SCALE: SHOWN 1 P P 2 DRAWING IS FULL SCALE WHEN BAR MEASURES 7 DWG NO.: C01 SMEEi NO.:� 2 ,� 41r4- EH - r;r+ig.! 30' 20' FRONT SETBACK SITE INGRESS AND EGRESS LANDSCAPED AREAS, SEE LANDSCAPING PLAN FOR ADDITIONAL INFORMATION TYP. FUTURE CONNECTION TO WATER MAIN WITHIN 42ND AVENUE, TYP. 42ND A (I I LJ LED LIGHTING WITH MOTION DETECTORS TO POWER DOWN TO 50% LIGHTING WITHOUT ANY %- MOTION DETECTED. LIGHTS TO BE DIRECTED AWAY FROM ADJOINING PROPERTIES. TYP. OF 3. SLIDING GATE PER LANDSCAPING PLANS. BUILDING MINIMUM SETBACK RAIN GARDEN #1 OVERFLOW ELEV:444.50' BOTTOM ELEV: 443.00' 265 CUBIC FEET OF STORAGE —•w-- ROOF DRAIN, TYP. BUILDING DRIP EDGE DRAINAGE SWALE PROPOSED SITE PLAN ( 537980-0002 ) 16026 42ND AVE E S DRAINAGE SWALE 10.0' TYPE I LANDSCAPE BUFFER, TYP. SIDE AND REAR YARDS • M% EXISTING SITE CONTOURS, TYP. EOP ELEV: 444.93' 21.3 PUMP STATION FINISHED FLOOR ELEV': 445.00' 5' SIDE SETBACK, TYP. ( 537980-0003 ) 16036 42ND AVE S EOP ELEV: 444.90' v 12' / L!/-oa 31.9' 10' BACK SETBACK L 15' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS RAIN GARDEN #2 OVERFLOW ELEV: 444.50' OTTOM ELEV: 443.00' 43 CUBIC FEET OF STORAGE EXISTING WOODEN WALLS TO BE REPLACED WITH ROCKERY, TYP. 10' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS 7.5' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS PER( NG QUANTITIES EXISTING IMPERVIOUS: 3,780 SF (INCLUDING THE EXISTING HOUSE) PROPOSED IMPERVIOUS:4,267 SF BUILDING SQUARE FOOTAGE: 1,300 SF GRADING: TOTAL CUT: 502 CY TOTAL FILL: 59 CY ter` !'rr • OCT 09 201T Community Development VICINITY MAP CRESTVIEW RESERVOIR La z z z PUMP STATION 8 SITE PLAN 2 REVISIONS wre Sep 26, 2017 a norw¢: Sep 26, 2017 E a 2 SCALE: #### O DRAWING IS FULL SCALE WHEN 84R MEASURES 7 DWG NO: SHEET N{(1�.: ihfFlYft Pleitit# esvyrirki rW - tom, ;Ciez:0 Or' LaNrr 4' BERM FOR PORARY WATER YEAR IN AFTER INSTALLATION 3' MULCH LAYER AFTER SETTLEMENT FINISH CRA es IT(1:54Vti I4 a LANDSCAPE SCHEMATIC DESIGN 10' 20' 40' SCALE: 1"=10'-0" 40 NORTH BASE MAP FROM RH2 ENGINEERING; BOTHELL, WA NEW TREE TREE TIES 1/7 RUBBER HOSE W/• 12 GALV. WIRE (DOUBLE STRAND TWISTED) 3 - 7X7 WOODSTAKES 8 LONG EQUALLY SPACED AROUND TREE .3 MINIMUM BELOW GRADE STAKE DEPTH TREE WRAP SECURE W/ CLOTH TAPE TAPE UP TO BRANCH STRUCTURE SET TREE AT ORIGINAL DEPTH 7 ABOVE FINISHED GRADE IP BURLAP AND TIES BACK 1/3 FROM BAIL CROWN MPORT TOPSOIL PER NOTES EXCAVATE AREA 2 TIMES DIAMETER OF ROOTBALL MINIMUM 17 TOPSOIL AROUND ROOTBALL DETAIL TREE PLANTINGe' -- NO SCALE ADJ. BLDG. SOIL MIX ADJ. BLDG. NEW SHRUB .r . i®t 7 •. i nmPvmn�Ell ^I7 MIN 7 MULCH SAUCER B&B PLANT: REMOVE BURLAP & TIES FROM TOP OF ROOT BALL SIDES OF ROOTBALLL SCARIFY COMPACTED SOIL MIX SUBGRADE DETAIL SHRUB PLANTING NO SCALE I% 'I !I I ADJ. BLDG. FA,I irp4 412 co -Mt I-�✓ '114l7h pic•ip&tem,7 NATIVE SHRUBS —18" height, container at 4•4" Red Flowering Com tIRlbes sanguhreum Oregon Grap alahon a ogoifofhlm Red Osier.Dogwaod'Comus smfon/fera Nootka Rose/Rose rmrkw= RAIN GARDEN— Sprig at 18" o.c. Columbia Sedge/Carzr,,pert,, Slough Sedge'Corex obnupra Beaked Sedge1Carerrostrata Snwbeok Sedge/Caret sfipata O t(i11t1(111s�r(:1'l!h t t t Pa �:f111ti 1 . PLANT CENTER ROW SPACING AS NOTED ON PLAN (TRIANGULAR) • SET PLANTS • ORIGINAL DEPTH • FINISH GRADE, PRIOR TO SPREAD MULCH. 2' MULCH (TYPE PER SPECS) FINISH GRADE BACKFILL SOIL MIX (MIX PER SPECS.) EXISTING SUBGRADE DETAIL: GROUND COVER PLANTING NO SCALE col PrirrEf- rerteR rot (*mob* frVPiP L 44 4Uw et44j - (') ,76,° t vttft retrerr fif1Yiti 1-jr3 o° -iftEe•-ro rerimpi coraireit SCHEMATIC PLANT MATERIAL LEGEND_ DECIDUOUS STREET TREES - 2.0" caliper, B&B. Norway Maplr/Acerplaronoides Little Leaf Linden/Till,, cordala Red Oak/Quercus rubra CONIFER TREES - 6' height, B&B. Western Red Cedar/T/ uja plicara Shore Pine/Pious conrorta Weeping Alaska Ceder/Chnmaecyparis nooklinensis Hinoke Cypress/Chamaeyporls obtuse "Nfnoke" EVERGREEN FLOWERING SHRUBS - 18" height, B&B at 5' o.c. MI. LaurellKelmla larifolia Oregon Grape/hfahonla aqulfollnm Evergreen Huckleberry/1 acclnum avatum GROUND COVERS — 1 gallon pots at 30" o.e Kinnikinnick/Arctostyphyllos ovl-orsi Pachysandra/Pachysandra Iemrinalis Hypericum/llypericum calyeinum ROCK SHOULDER 4" depth compacted crushed 5//8" minus rock Perimeter fence and gate pi§ Iletiattatalhe RETAINING WALL Retaining wall per Engineer �C -- X-- FENCE GENERAL CONSTRUCTION NOTES ECM/ED OCT 0 9 2017 Community Development 1. Clean subgrade by removing all undesirable vegetation including grasses, weeds, blackberries, scotch broom and poplar seedlings including roots. Leave subgrade In landscape areas minimum 8" below paving. Remove all debris from site. 2. Provide minimum 6" depth 60-40 mix from Corliss Materials 253 891-6680 in all shrub beds. Scarify subgrade by rototllling and add topsoil on surface, mix topsoil and subgrade thoroughly. Add additional topsoil as needed to contour shrub beds including required berms. 3. Provide minimum 6" depth 60-40 mix from Codiss Materials 253 891-6680 in all lawn beds. Scarify subgrade by rototilling and add topsoil on surface, mix topsoil and subgrade thoroughly. Add additional topsoil as needed to contour and level lawns. 4. Provide minimum 2" depth fine blend hem -fir mulch to all planting beds. Mulch from Sawdust Supply, Kent, Washington. Fill all planting beds and lawn areas to within 1" of lop of all curbs and walks. Slope all planting beds and lawn areas to drain. 5. Provide one (1) year warranty for all plant materials and workmanship. 6. Locate, protect and avoid disruption of all above and below grade utilities and site f.tures prior to construction. Contractor is responsible for any resulting damages during construction. Cali locate before you dig at 1 800 424-5555. 7. All work performed shall conform to the City of Tukwila landscape and irrigation requirements, codes and specifications. 8. Verify all quantities shown on the plant list and flans. If discrepancies exist between the graphic representation and the numeric totals, the graphic representation shall rule. 9. All plant materials to be specimen quality with full, symmetrical trunk and foliage, unless otherwise noted. 10. Lawn — sod per plant list 11. Insure proper drainage of all planting holes prior to installing plant materials. If planting holes do not drain or if heavy clay soils are evident contact landscape architect 12. Coordinate olilitics, drainage and lighting with landscape installation. 13. All ptanters to be irrigated with automatic irrigation system. Z_I7-GD66 FOR SUBMITTAL ONLY - NOT FOR CONSTRUCTION USE Lauchlin R. Bethune Associates, Inc. ■ Landscape Architecture & Planning, ASLA P.O. Box 1442 phone: (425) 432-9877 Maple Valley, Washington 98038 fax: (425) 432-9878 Iauch©bethuneassociates.com www.bethuneassociates.com • y1ATFR x"� A HIGHLINE WATER DISTRICT „f, PUMP STATION NO. 8 LANDSCAPE SCHEMATIC DESIGN PUMP STATION 8 SITE PLAN E. E 0 A 4 6 (J) 2 0 N) R 6 S 4 8 o S k- W I SCALE: 7 P T ORAWINO rS RAL SCALE WHEN BARMEASUREST MONO.: I SNEEYNO.: hv- I 16' BUTTERFLY VALVE WITH NUT ACTUATOR, TYP OF 3 (FLxFL) LADDER DOWN FROM CATWALK (TYP OF 4) FLOW METER VAULT VAULT HATCH OUTLINE 16" FLOW METER 16" DISMANTLING JOINT 24'-6" 4 24" DI PIPE, LTF - 16" BUTTERFLY VALVE (FLxFL) 24"x16" DI REDUCER (MJ) 3T-0" 16"x10" DI ECCENTRIC REDUCER, TYP OF 3 (FLxFL) PRESSURE GAUGE ASSEMBLY, TYP OF 6 16" DISMANTLING JOINT (TYP OF 2) 16"x12" DI TEE (TYP OF 3) 16"x6" DI REDUCER (FLxFL) PUMP ROOM - BOTTOM FLOOR Y' = 1'-0" 43'-9" 6" DI PIPE, UNDER SLAB END SUCTION CENTRIFUGAL PUMP (TYP OF 3) 6" GATE VALVE, TYP OF 2 (FLxFL) 6" PRV (FLxFL) 6" DISMANTLING JOINT 6" DI 90° BEND, TYP OF 2 (FLxFL) HANDRAIL (TYP.) GARAGE DOOR TRACKS 12'Wx10'H GARAGE DOOR 28' 10" ELECTRICAL AND CONTROL ROOM - TOP FLOOR ATS PANEL MCC PANEL RTU PANEL I.: MECHANICAL OBLIQUE NOT TO SCALE MECHANICAL SECTION OCT 09 2017 Community Development 16" DI TEE (MJ) (TYP OF 3) 6' DI 90° BEND (MJxMJ) w z a SCIENTISTS Y 9 SAVEDATt Sep 26. 2017 1- U cc cn w uJ Z J PS6-P-MECP.DWG 8 3 cL 0 PUMP STATION NO. 8 REVISIONS MECHANICAL PLAN 9 a 8 9 s 2 SCALE: SHOWN P 1° DRAWING IS FULL SCALE WHEN BAR MEASURES 7 Yi = 1'-0" MECHANICAL SECTION Yi= 1'-0" 4, " I - oO6 F/ DWG NO MO1 SHEET NO.: 4 >� I.�rrA•r 1._ 0 2' 4' EAST ELEVATION 12 SCALE: 1 /4" = 1'-0" EAVE BEAM / DECORATIVE BRACKET 1X6I1 X5 BATTENS HARDIPANEL SIDING WEST ELEVATION ARCHITECTURAL GRADE ASPHALT SHINGLES- - 1 X3 TRIM ON 2X6 BARGE RARER GLA55 BLOCK WINDOW- 2X8I2X4 CORNER TRIM --_ 6' EXPOSURE HORIZONTAL SIDING - I X6 DOOR 6 WINDOW TRIM J 1J1-a, ay __l,� — - . 0 2' 4 B' 4T' i � {� Sri Y 1. h i4T 5 41, y f iij $7"i L 4r- J-V V471,4 4-r. r v� �_ �•. 'il�i � I '�'r„-.,:'�r-=�r�=S.,.�a�-•. �:5�.-,.5� .A. .�.y r�'a_• NORTH ELEVATION SCALE: 1 /4" = 1'-0" RECEIVED, OCT 09 2011 Community Development y yy1 1 i1�1 1.__ _ lyyyl�i 111 y�1111.1 y11y--iyiy 11it i iy1.il-1-'-1 1- 1_..=J.. 1y1 i.i yy�y�iyii, y= _--y-�_�_1y - - _i-4_ - _ ±y-".yam-I=may 1Rly 1. = may .%may yy_i_�_�.1=I � _- 1.� 1 J.yiyy 11_yi, ly i111.' y yyi. lyly y-'=-+ 11� y� +%�`iyy-+_ _yiliy_ ice..... J_ii i 111�_y -i yy._i. �.yy 11+ y---- -=' —ill 1.i_iy_1i i1i1.i i=i---___iii iyi_ii_- iiyy y+i .'�'i y ji�- %i+'`" +i+ii - — 1: yyiiiii iliiiiii illilyii�yyili �i yy krt `ii.yL'iF.l7 _T At*T 4 4yy =�. 4;41 HIGHLINE WATER DISTRICT PUMP STATION NO. 8 ARCHITECTURAL ELEVATIONS 4 REVISIONS a a SCALE: 0 1a 3 SCALE 1 /4" = 1'-0" 0 2' 4' 0' 4f?-o000 SOUTH ELEVATION �41 SCALE: 1 /4" = 1'-0" DRIWMG IS FULL SCALE WHEN B4R MEASURES2. DWG NO.: A01 SHEET NO.:� MI 1111 �.IIIIIIIIIIIII 11 1111111111 /111 G/7-ODG '•,iii Ib11111INIIIIIIfi111111 i ih ' III°' '' ' 'IIIIIII IIIIII11,1111 IUII-' : i ' I unuuun mdI111If u IIIIIIIIIA'' ± 1 Highline Water District Pump Station No. 8 Project Narrative for Unclassified Use Permit and Design Review Prepared by RH2 Engineering, Inc. September 2017 PROJECT AND SITE DESCRIPTION The Pump Station No. 8 (PS8) project was identified in Highline Water District's (District) 2016 Water System Plan to serve water to the 560 Pressure Zone from the 7.6-million-gallon (MG) Crestview Reservoir. Currently, water from the reservoir must pump through Pump Station No. 6 (PS6) to serve the 560 Pressure Zone. The addition of PS8 would significantly improve redundancy in the system, allowing the District's largest storage reservoir to provide water to customers in the 560 Pressure Zone, and all other connected zones, if PS6 becomes inoperable. The project will be constructed on Parcel No. 537980-0009, located at 16032 42nd Avenue S, within the City of Tukwila (City), and situated in Section 27, Township 23, Range 4 East. Refer to the attached Parcel Records for additional property information and legal descriptions. PS8 is conceptualized as a two-story structure with an approximately 1,300 square foot (sf) footprint. The bottom level would be below -grade and contain the pump room, while the upper level would be at -grade and house electrical and control equipment. In addition to the proposed pump station, work at the PS8 site would include the following. • Installation of a flow meter vault. • Construction of an approximately 350 sf concrete pad for an engine generator (EG). • Addition of a paved access driveway. • Addition of site landscaping. • Addition of site utility piping. Refer to the attached Site Plan, Design Plans, and. Design Rendering. The project site lies within the City's Low Density Residential (LDR) Zone. Water pump stations are an "unclassified use" within the LDR Zone. As such, an Unclassified Use Permit (UUP) will be required, subject to a Public Hearing and approval by the City Council.. The City will act as lead agency for concurrent State Environmental Policy Act (SEPA) review. The project will also include addition of water main within 42nd Avenue S, within the City of SeaTac (SeaTac); a Right -of -Way Use Permit will be obtained from SeaTac for this portion of the project. UNCLASSIFIED USE NARRATIVE In accordance with Tukwila Municipal Code (TMC) 18.66.060, the following narrative describes how the proposed project complies with the decision criteria for unclassified uses. Facilities have been undergrounded to the maximum extent practicable. Undergrounding the entire project would be infeasible due to the depth of excavation that would be required to house the pumps, electrical equipment, and EG. As such, all pumps and utility piping will be undergrounded, while electrical equipment and the EG will remain above grade. However, all 1 9/22/2017 4:23 PM J:IDATAIHWD1116-0381PERMITS\TUKWILA\HWD PS8 NARRATIVE FOR UUP.DOCX Attachment B Highline Water District Unclassified Use Permit Project Narrative Pump Station No. 8 September 2017 facilities will be housed within a structure that has been designed to integrate with the neighborhood's residential character. The above -ground element will allow the lot to appear cohesive with the single-family homes that surround the site. The project provides undergrounding of all appropriate and feasible facilities in compliance with TMC 18.66.060(1). The proposed pump station will not be materially detrimental to the public welfare or injurious to the property or improvements in the vicinity. As an improvement to the water system, the project is expected to benefit public welfare. The existing water system lacks redundancy; in the event that PS6 become inoperable, customers within the 560 Pressure Zone would not be able to access water stored in the Crestview Reservoir. Safe drinking water is essential; the proposed PS8 would ensure that stored water continues to be accessible in an emergency. Measures have been taken to ensure that detrimental impacts from noise, lighting, or aesthetics to surrounding properties will not occur. Any noise produced on the site will comply with the City's noise ordinance (TMC Chapter 8.22), which mandates that sound produced within a residential district not exceed 55 A -weighted decibels (dB(A)) during the daytime or 45 dB(A) at night. Per TMC 8.22.100(10), water pump stations are exempt from the nighttime sound reduction. The pumps are not anticipated to produce noise levels greater than 55 dB(A) at adjacent properties during daytime or evening hours. The EG will primarily be operated during power outages, which qualifies for a noise level exemption under TMC 8.22.050(4). The unit will be housed in a Quiet Site II Second Stage enclosure, which provides the greatest level of noise attenuation available. In this configuration, the generator is expected to produce noise levels of approximately 74 dB(A) at 7 meters (23 feet). Occasionally, the District will need to exercise the EG to ensure that it continues to work properly; this use will comply with conditions as outlined in the City's Noise Ordinance. Lighting has been designed to reduce its visual impact on neighboring properties while keeping public safety and security at the forefront. Lighting is necessary to discourage criminal activity such as vandalism or trespassing. However, since the proposed pump station is located in a residential area, lighting design is intended to minimize its visual impact on neighboring properties. Lighting features will be directed downward and hooded to ensure that no light spills over to adjacent properties. In the interest of security, full-strength lighting will be motion -activated; otherwise, nighttime lighting will remain at half -strength. The screening effect from trees and shrubs incorporated into site landscaping is also expected to reduce lighting impacts. As such, lighting is not expected to be detrimental to adjacent properties. Fencing has been chosen to maximize security and aesthetics. Ameristar's Montage II®, or similar industrial and high security ornamental steel fencing, will provide high security with a classically beautiful wrought -iron look. Architectural design has integrated residential features such as a front porch, typical residential cement board siding, and asphalt shingle roofing. Glass blocks on the building exterior will simulate windows, yet act as noise barriers and provide natural light inside the building. Two types of cement board siding have been incorporated to provide texture and detail to the exterior walls and gables. Exterior colors will be natural earth tone colors with simple accent trims to reduce the building's prominence and ensure it blends in with the natural environment. Due to the above measures to mitigate for lighting, noise, and aesthetic impacts, the project will not be materially detrimental or injurious to the public welfare or surrounding property, in compliance with TMC 18.66.060(2). 2 9/22/2017 4:23 PM J:IDATA\HWD1116-0381PERMITS\TUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Attachment B Highline Water District Unclassified Use Permit Project Narrative Pump Station No. 8 September 2017 The proposed PS8 will be located within the LDR Zone and comply with all required development regulations. Per TMC 18.10.057, the maximum building footprint will be less than 35 percent of the lot area. More specifically, Parcel No. 537980-0009, a 10,050 sf lot, has a maximum allowable building coverage of 30.6 percent, or 3,077 sf. The pump station building will cover approximately 1,550 sf, which is well within the allowable limit. Additional development standards are as follows. • Minimum front setback: 20 feet (decks or porches: 15 feet) • Minimum side setback: 5 feet • Minimum rear setback: 10 feet • Maximum height: 30 feet Lot setbacks are shown on the Site Plan; no structures will be placed within setbacks. The pump station building will be the tallest structure on the lot at approximately 18 feet above grade. Parking requirements within TMC are not specified for water pump stations; parking for several District vehicles will be available along the access driveway but stalls will not be designated. As specified in TMC 18.52.030, a non-residential use within the LDR Zone requires Type 1 landscaping. A 15-foot front perimeter landscape strip, along with 10-foot side and rear yard landscaping, will be provided. See the Landscape Plan for details. Development standards for parking, landscaping, yards, and all other development regulations have been met, and are thus in compliance with the criteria of TMC 18.66.060(3). The proposed project will be located in a residential area and is surrounded by primarily single-family residences. The completed project has been designed to resemble a single-family home; its design by the architects of Page & Beard will blend in with neighboring homes and improve the aesthetic of the area. As such, the development will be compatible with surrounding land uses, as preferred by TMC 18.66.060(4). The proposed pump station is located in the McMicken neighborhood of the City, within the District's water service area. Residents of this area of the City rely on the District to provide safe and reliable water both now and in the future. An important component of planning for future water supply is evaluating the existing water supply infrastructure and planning for future improvement projects. The PS8 project is identified in the District's 2016 Water System Plan as necessary for improving redundancy of the water system and meeting the District's supply reliability criteria. As such, the proposed project is consistent with the goals, objectives, and policies of the Comprehensive Land Use Plan and other adopted area plans, as preferred in TMC 18.66.060(5). The project has been designed to avoid all adverse environmental impacts to public and private properties. Possible project locations were limited due to hydraulic considerations and proximity to the Crestview Reservoir and water transmission main tie-in. The site was ultimately chosen because of its potential to benefit public safety and the neighborhood's aesthetic character. Alternative locations would have required tearing down a livable home, while the chosen lot was occupied by a derelict building creating unsafe conditions. Squatters also occupied the home, and its availability was contributing to crime in the area. Since the lot borders Crestview Park, a community gathering spot, improving area safety greatly benefits the neighborhood. Full consideration of alternative designs to reduce and eliminate adverse impacts was also taken into account. The design measures incorporated mitigate for potential impacts to surrounding 3 J:IDATAIHWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Attachment B 9/22/2017 4:23 PM Highline Water District Unclassified Use Permit Project Narrative Pump Station No. 8 September 2017 properties as a result of noise, light, and aesthetics, as discussed previously. By considering and mitigating for possible adverse impacts, the project complies with the criteria of TMC 18.66.060(6). The proposed pump station will not have a significant adverse environmental or economic impact and is not considered an "essential public facility." As such, the criteria of TMC 18.66.060(7) do not apply, and compensatory mitigation will not be required. As discussed previously, PS8 is hydraulically limited to connect to the existing Crestwood Reservoir. There are no non-residential areas near the reservoir. In the City, the surrounding properties are zoned LDR, Neighborhood Commercial Center (NCC), and Residential Commercial Center (RCC). In SeaTac, nearby zones include Urban Low Density Residential (UL-7,200), and Neighborhood Business (NB). These zones are residential or support residential uses. As such, there is no reasonable non-residential alternative for the site (TMC 18.66.060(8)). Although the pump station is an unclassified use within the LDR Zone, its addition will benefit the neighborhood. The lot's on -site septic system (OSS) was failing; the project will eliminate the OSS, thereby removing a source of environmental contamination. The home that previously existed on the property was derelict and unfit for habitation. Removal of the squatters and subsequent demolition of the house improves neighborhood safety. By eliminating a haven for crime, the proposal is expected to benefit public safety and improve neighborhood character. Finally, site design will ensure that the proposed pump station is aesthetically pleasing by incorporating landscaping and architectural design. Landscaping, by increasing vegetation, provides additional local benefits. Plants filter pollutants from water, improve air quality, reduce stormwater runoff, and improve the livability of urban areas. For the reasons listed, the proposed pump station will provide tangible benefits as preferred in TMC 18.66.060(9). DESIGN REVIEW CRITERIA NARRATIVE As required, the proposed project has been designed with the criteria for multi -family, hotel, and motel developments (TMC 18.60.050(B)) in mind. As summarized below, and as fully described in the preceding narrative, HWD's PS8 project is consistent with applicable criteria. Site Planning Building siting, architectural style, and landscaping have been chosen to harmoniously integrate into the neighborhood's character. Existing significant trees will be retained. The design uses landscaping and building shapes to provide a pleasing aesthetic for passersby on the sidewalk, as shown in the Design Rendering. Vegetation and landscaping have been maximized, while impervious surface has been minimized. Rain gardens have been incorporated into site design to serve the dual purpose of providing stormwater runoff control while enhancing aesthetic form and natural features. Building Design The pump station building will be composed of high -quality materials and, as discussed, will incorporate residential architectural details. See the Unclassified Use Narrative for details. 4 9/22/2017 4:23 PM J:\DATA\HWD\116-038\PERMITS\TUKWILA\HWD PS8 NARRATIVE FOR UUP.DOCX Attachment B Highline Water District Unclassified Use Permit Project Narrative Pump Station No. 8 September 2017 Landscape and Site Treatment Perimeter landscaping will enhance the proposed architectural features and provide a natural transition between the pump station and surrounding residential properties. Rain gardens have been incorporated into the design to provide stormwater control using low impact development, complementing and enhancing perimeter landscaping. Miscellaneous Structures All mechanical and electrical equipment will be contained within the pump station building, except for the EG, which will be screened on all sides by fencing and perimeter landscaping. As discussed previously, lighting shall be shielded and restrained, with no off -site glare spill over, and will only illuminate to full strength when motion is detected on site. 5 9/22/2017 4:23 PM J:IDATAIHWD1116-0381PERMITSITUKWILAIHWD PS8 NARRATIVE FOR UUP.DOCX Attachment B Olympic Pipe Line Company, LLC Right of Way Department 600 Southwest 39th Street Suite 275 Renton, WA 98057 November 30, 2017 Jaimie Reavis City of Tukwila Department of Community Development Jaimie,.Reavis(c�TukwilaWA.gov (206) 431-3659 RE: Highline Water District Pump Station #8. File #s E17-0013, L170065, and L17-0066 Tukwila, Washington BP File # TPR-10234 To: Jaimie Reavis A review of our records indicates there are no active pipelines owned or operated by BP Pipelines within the scope provided for the above referenced project. Included with this letter is a GIS map indicating the approximate location of the Olympic Pipeline. If the scope of your project has changed, or you disagree with the location of your project as indicated on the map please contact Ken Metcalf at 425-981-2575 or via email at kenneth.metcalf@bp.com. Please note that 811 the national One -Call number must be contacted for clearance prior to any excavation. Sincerely, Tim Fehr 3rd Party Contract Right of Way Supervisor Representing Olympic Pipe Line Company, LLC TF: km Attachment C TPR 10234 City of Tukwila Highline Water District Pump Station #8 Olympic Pipe Line Company, LLC makes no warranty as to the correctness or completeness of the information contained in the attached document, and the user assumes all risk of loss to person or persons and property as a result of reliance thereon. Plans do not reflect depth of cover over pipeline; you must secure equipment and labor for accurate depth determination, coordinate with Olympic Pipe Line for an on -site inspector, Kirk Preston (206) 786-1703. Call 2 business days before you dig. 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Jeremy DelMar, Highline Water District Lead Agency: City of Tukwila Description of Proposal: Construct a new, approximately 2,600 square foot pump station for Highline Water District, including associated pump, electrical, and control equipment. Approximately 1,350 linear feet of water main will be installed within the right-of-way of 42nd Ave. S. and through a private easement to connect to Military Rd. S. Address: 16032 42nd Ave S, Tukwila, WA Parcel Number: 5379800009 This notice is to confirm the decision reached by Tukwila's SEPA Official to issue a Determination of Non -significance (DNS) for the above project based on the environmental checklist and the underlying permit application. The City has determined that the proposal does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21c.030(2) (c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request. Project materials including the application, any staff reports, and other studies related to the permits are available Monday through Friday 8:30 a.m. - 5:00 p.m. for inspection at Tukwila Department of Community Development 6300 Southcenter Blvd., Suite 100, Tukwila, WA 98188. The project planner is Jaimie Reavis, who may be contacted at (206) 431-3659 for further information. This DNS is issued under WAC 197-11-340(2). Comments must be submitted byJanuary 4, 2018. The lead agency will not act on this proposal for 14 days from the date below. Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov Attachment D Highline Water District Pump Station #8 December 21, 2017 Page 2 Jack Pace, Responsible Official City of Tukwila 6300 Southcenter Blvd. Tukwila, WA 98188 (206) 431-3670 Date 4A--7 The decision is appealable to the Superior Court pursuant to the Judicial Review of Land Use Decisions, Revised Code of Washington (RCW 36.70C). Any appeal shall be linked to a specific governmental action. The State Environmental Policy Act is not intended to create a cause of action unrelated to a specific governmental action. Appeals of environmental determinations shall be commenced within the time period to appeal the governmental action that is subject to environmental review. (RCW 43.21C.075) Cc: Jeremy DelMar, Highline Water District Kenneth Metcalf, BP Pipelines Inc. State Department of Ecology, SEPA Division King County Assessor Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website: TukwilaWA.gov Attachment D 9/14/2018 Re: pump station #8 work within right-of-way - Jaimie Reavis Re: pump station #8 wol K within right-of-way Jaimie Reavis Mon 2/5/2018 4:19 PM To:Jeremy Delmar <jdelmar@highlinewater.org>; apettibone@rh2.com <apettibone@rh2.com>; I don't think I'll need anything from you for the motion. For the presentation and/or packet, it's up to you. Our City Clerk was saying that applicants can make up to a 15-minute presentation, or can just state that the information in the staff report is sufficient, complete, etc. Once I get farther along with the staff report I can share it with you so you can determine whether you'd like to add any information or exhibits. I'll have a little time to spend on the staff report this week, and more time next week, so at the latest I'll see if I can get you a draft a week prior to the February 28th packet deadline. Thank you, Jaimie Jaimie Reavis Senior Planner' City of Tukwila 6300 Southcenter Blvd, Suite 100ITukwila, WA 98188 ph: (206) 431-3659 Jaimie.Reavis@TukwilaWA.gov I www.tukwilawa.gov The City of opportunity, the community of choice. From: Jeremy Delmar <jdelmar@highlinewater.org> Sent: Monday, February 5, 2018 3:05:07 PM To: Jaimie Reavis; apettibone@rh2.com Subject: RE: pump station #8 work within right-of-way That is great. We will be there. Is there anything we need to do for the presentation or packet. I assume you have everything you need. I got your message. Is there something we need to do for the language for the motion or will that be done by your legal? Jeremy S. DelMar, PE Engineering and Operations Manager I Highline Water District Main # 206.824.0375 I Direct # 206.592.8904 ( Email jdelmar@highlinewater.org www.highlinewater.org Our mission is to provide high quality water and excellent customer service while effectively managing District infrastructure for a reliable water system today and for future generations. https://outlook.office365.com/owa/?viewmodel=ReadMessageltem&lteml D=AAMkADcwOTdIODIILTVIMj EtNDQwMi04MjJmLWUSYzBkNjVhZDIOYwBG... 1/3 9/14/2018 Re: pump station #8 work within right-of-way - -Iaimie Reavis From: Jaimie Reavis [mailto:Jaimie.Reavis@TukwilaWA.gov] Sent: Monday, February 05, 2018 2:12 PM To: Jeremy Delmar; apettibone@rh2.com Subject: Re: pump station #8 work within right-of-way Hi Jeremy, I have the project scheduled to have a public hearing and decision by the City Council on March 5, 2018. Does that work for you? Thank you, Jaimie Jaimie Reavis Senior Planner ICity of Tukwila 6300 Southcenter Blvd, Suite 100ITukwila, WA 98188 ph: (206) 431-3659 Jaimie.Reavis@TukwilaWA.gov I www.tukwilawa.gov The City of opportunity, the community of choice. From: Jeremy Delmar <jdelmar@highlinewater.org> Sent: Monday, February 5, 2018 9:05:55 AM To: Jaimie Reavis; apettibone@rh2.com Subject: RE: pump station #8 work within right-of-way Jaimie, I wanted to confirm what is the date for the Council Meeting to discuss the project. Jeremy S. DelMar, PE Engineering and Operations Manager I Highline Water District Main # 206.824.0375 I Direct # 206.592.8904 I Email jdelmar@highlinewater.org www.highlinewater.org Our mission is to provide high quality water and excellent customer service while effectively managing District infrastructure for a reliable water system today and for future generations. From: Jaimie Reavis [mailto:Jaimie.Reavis@TukwilaWA.gov] Sent: Wednesday, January 10, 2018 1:58 PM https://outlook.office365.com/owa/?viewmodel=ReadMessageltem&item I D=AAMkADcwOTd iODII LTVIMj EtN DQwMi04MjJ m LW U 5YzBkNj VhZD IOYwBG ... 2/3 9/14/2018 Re: pump station #8 work within right-of-way - Jaimie Reavis To: Jeremy Delmar; apettibone@rh2.ca Cc: Mike Ronda; Joanna Spencer Subject: pump station #8 work within right-of-way Hi Jeremy and Alicia, I wanted to check in to find out if you have plan sheets showing the work proposed to install the water main within right-of-way and easement areas? I'm not able to find that in the application materials submitted for the project. Also, have you been coordinating with anyone in our Public Works Department on the timing of construction within the right-of-way? We currently are working on a road construction project along 42nd Ave S, so I'm hoping that if the project areas overlap that the timing will work out to coordinate improvements/work within the right- of-way. Thank you, Jaimie Jaimie Reavis Senior Planner 'City of Tukwila 6300 Southcenter Blvd, Suite 100ITukwila, WA 98188 ph: (206) 431-3659 Jaimie.Reavis@TukwilaWA.gov I www.tukwilawa.gov The City of opportunity, the community of choice. https://outlook.office365.com/owa/?viewmodel=ReadMessageltem&ItemID=AAMkADcwOTdiODIILTVIMj EtNDQwMi04MjJmLW USYzBkNjVhZDIOYwBG... 3/3 9/14/2018 RE: Tukwila applications - Pump Station #8 - Jaimie Reavis RE: Tukwila applications - Pump Station #8 Jeremy Delmar <jdelmar@highlinewater.org> Mon 12/11/2017 12:28 PM To:Jaimie Reavis <Jaimie.Reavis@TukwilaWA.gov>; Jaimie, I wanted to check in now the comment period is over and see if there has been any feedback from the community. Did you receive any comments? Jeremy S. DelMar, PE Engineering and Operations Manager I Highline Water District Main # 206.824.0375 I Direct # 206.592.8904 I Email jdelmar@highlinewater.org www.highlinewater.org Our mission is to provide high quality water and excellent customer service while effectively managing District infrastructure for a reliable water system today and for future generations. From: Jaimie Reavis[mailto:Jaimie.Reavis@TukwilaWA.gov] Sent: Wednesday, November 01, 2017 3:24 PM To: Jeremy Delmar Cc: apettibone@rh2.com Subject: Re: Tukwila applications - Pump Station #8 Thank you for letting me know, Jeremy. I'll coordinate with Fast Signs to get them the information they'll need. I think it will be best to have the sign installed on November 14th, with a public/neighborhood project information meeting on the evening of November 30th. We have flexibility in terms of the meeting time; in the past we've had them from 4-6 or 4:30-6:30 so that there's enough time for people getting off work to attend. I'll check with McMicken Heights Elementary to see if we're able to hold the meeting there. Jaimie Jaimie Reavis Senior Planner) City of Tukwila 6300 Southcenter Blvd, Suite 100ITukwila, WA 98188 ph: (206) 431-3659 Jaimie.Reavis@TukwilaWA.gov I www.tukwilawa.gov The City of opportunity, the community of choice. https://outlook.office365.com/owa/?viewmodel=ReadMessageltem&Item ID=AAMkADcwOTdiODIILTVIMjEtNDQwMi04MjJmLWUSYzBkNjVhZDIOYwBG... 1/2 9/14/2018 RE: Tukwila applications - Pump Station #8 Reavis From: Jeremy Delmar <jdelmar@highlinewater.org> Sent: Wednesday, November 1, 2017 12:59:26 PM To: Jaimie Reavis Cc: apettibone@rh2.com Subject: RE: Tukwila applications - Pump Station #8 Thank you Jaimie. We have already contact FastSigns and paid the fee. As a reminder, I am out of the office from November 9th and will return on Monday, November 27th. I am not available for any hearings on November 29th or December 6th, as I have other night meetings in SeaTac. Thanks again for your help. Jeremy S. Delmar, PE Engineering and Operations Manager I Highline Water District Main # 206.824.0375 I Direct # 206.592.8904 I Email jdelmar@highlinewater.org www.highlinewater.org Our mission is to provide high quality water and excellent customer service while effectively managing District infrastructure for a reliable water system today and for future generations. From: Jaimie Reavis [mailto:Jaimie.Reavis@TukwilaWA.gov] Sent: Wednesday, November 01, 2017 12:54 PM To: Jeremy Delmar Cc: apettibone@rh2.com Subject: Tukwila applications - Pump Station #8 Jeremy, Attached is the Notice of Complete Application that was sent out in this morning's mail to Alicia Pettibone. I'll address future communications to you, with Alicia Pettibone copied. Thank you, Jaimie Jaimie Reavis Senior Planner I City of Tukwila 6300 Southcenter Blvd, Suite 10OITukwila, WA 98188 ph: (206) 431-3659 Jaimie.Reavis@TukwilaWA.gov I www.tukwilawa.gov The City of opportunity, the community of choice. https://outlook.office365.com/owa/?viewmodel=Read Message Item&Item I D=AAMkADcwOTd iODII LTVI Mj EtN DQwM iO4MjJ m LW U 5YzBkNjVhZD IOYwBG ... 2/2 ININICI i TECHNICAL ENGINEER S PLANNERS SCIENTISTS MEMORANDUM Client: Highline Water District Project: Pump Station No. 8 Project File: HWD 116.038.02.202 Project Manager: Edwin Halim, PE Composed by: Steve Nelson, LEG Reviewed by: Rick Ballard, PE Subject: Pump Station No. 8 Engineering Geology Evaluation Date: September 28, 2017 STEPHEN ERIC NELSON 9/28/17 9/28/17 INTRODUCTION RH2 Engineering, Inc., (RH2) was retained by the Highline Water District (District) to complete predesign services for Pump Station No. 8, including site selection. Pump Station No. 8 will be constructed in the far northern reaches of the 560 Zone, allowing the District's largest storage reservoir (Crestview Reservoir) to provide water to customers in this zone if the existing Pump Station No. 6 becomes inoperable. Construction of the new pump station is identified as Capital Improvement Project "BP-1" in the District's Water System Plan and is scheduled to begin construction in 2018. The site selected for Pump Station No. 8 is located at 16032 42nd Avenue South, Tukwila, Washington. This site was purchased on November 15, 2016, by the District. ECE1VED OCT 092017 Community Development 9/28/2017 3:35 PM J:\ Data \HWD \116-038\Geo\Tech Memo Re Pump Station No. 8.docx • Technical Memorandum RE. Pump Station No. 8 Engineering Geology Evaluation September 28, 2017 Page 2 The pump station facility will consist of: • A 44-foot by 28-foot pump station building supported on a continuous foundation with interior concrete slab; • A 37-foot by 24-foot pump room completed to a depth of 9 feet; and • A 10-foot by 20-foot at -grade concrete slab foundation to support an emergency generator. This technical memorandum summarizes the findings of a limited subsurface investigation to observe, characterize, and document earth and groundwater conditions of the site; identify potential geologic hazards and recommendations to mitigate the geologic risks; and provide recommendations for design and construction of the proposed pump station facility. The pump station facility is in the NW 1/4 NE 1/4, Section 27, Township 23 N, Range 04 E, centered at latitude 47.458679 N, longitude 122.280733 W. The site is located on a south -trending slope west of the Green River valley at approximately 445 feet in elevation above mean sea level. The general layout of the site is shown in Figure 1. The proposed pump station site was foiiiierly occupied by a residence that has been removed; the site is currently undeveloped. FINDINGS REGIONAL GEOLOGY RH2 reviewed geologic maps and descriptions of regional geologic conditions on the Washington State Department of Natural Resources (WADNR) website. RH2 reviewed the driller's logs for borings and wells completed within 1 mile of the site, and recorded at the Washington State Department of Ecology (Ecology) well log website. The surficial geologic unit mapped at the site is glacial outwash consisting of a slightly stratified compact to moderately dense mixture of sand, gravel, and cobbles, with minor silt. The WADNR Interactive Geologic Map, based on the United States Geological Survey National Earthquake Hazards Reduction Program, assigns a Seismic Site Class C to D, Dense to Very Dense Soil, and a very low risk of liquefaction. SITE INVESTIGATION Before site exploration, RH2 reviewed available geologic maps, soil maps, and exploration boring logs for the local area. On August 10, 2017, District staff used a backhoe to excavate two test pits to depths of 10 and 12 feet below ground surface (bgs). The District subsequently backfilled the test pits with compacted excavated soil using the backhoe bucket. The test pit locations are shown on Figure 1. RH2 inspected soil samples retrieved from the excavation to identify stratigraphy, composition, texture, structure, and cohesion of native earth materials encountered in the excavation. Appendix A contains the soil test pit logs. 9/28/2017 3:35 PM J:\Data\HWD\116-038\Geo\Tech Memo Re Pump Station No. 8.docx Technical Memorandum RE: Put,ta Station No. 8 Engineering Geology Evaluation September 28, 2017 Page 3 The test pits encountered a surficial layer (up to 3 feet) of sandy gravelly silt underlain by fine to medium sand with gravel to a depth of at least 12 feet bgs. A review of existing well logs obtained from Ecology for a 1-mile area surrounding the site indicates that groundwater may exist at a depth of more than 100 feet beneath the surface within deeper unconsolidated sediments. No groundwater seepage was observed in the test pit excavations. A representative sample of the native sand with gravel (recessional glacial outwash) was submitted to HWA Geosciences Inc. of Bothell, Washington for analysis following American Society for Testing and Materials (ASTM) D422, Particle Size Analysis. Results are attached. Using the Soil Grain Size Analysis Method of Drainage Manual Volume III, the estimated initial saturated hydraulic conductivity is 0.12 centimeters per second, or 18 inches per hour. GEOLOGIC HAZARDS The WADNR website was reviewed for geologic hazards at the pump station site. The information that follows summarizes the geologic hazards and relative risk they pose to the pump station. • Risks from landslides, mass wasting, and flooding are negligible. • The risk of earthquakes of magnitude 5 to 6 during the next 50 years is high (80 percent). • Liquefaction risk is mapped as very low; the soil is dry to moist and compact to moderately dense. • The risk of persistent groundwater seepage from surrounding native soil into the excavation during site development is negligible. GEOTECHNICAL PROPERTIES Based on the observed soil composition and density, the compact to moderately dense glacial outwash may support a structure with an appropriately designed foundation that spreads a load that does not exceed a net allowable bearing capacity of 2,000 pounds per square foot (psf). The following earth pressures are estimated for the moderately dense fine to medium sand, assuming a friction angle of 32 degrees and a unit weight of 115 pounds per cubic foot (pcf). • At rest — 54 psf • Active — 35 psf • Passive — 374 psf RECOMMENDATIONS SITE EXCAVATION FOR FOUNDATIONS AND UNDERGROUND UTILITIES • Based on the subgrade depth of the proposed design, the pump station would be founded on moderately dense sand with gravel. Excavations to the subgrade should be reviewed 9/28/2017 3:35 PM J:\Data\HWD\116-038\GeclTech Memo Re Pump Station No. 8.docx Technical Memorandum RE.. Pump Station No. 8 Engineering Geology Evaluation September 28, 2017 Page 4 by a Licensed Engineering Geologist (LEG) or Professional Engineer with a geotechnical background (PEG) at the lowest excavated subgrade elevation, prior to any subgrade improvements. SUBGRADE PREPARATION • Areas of subgrade that consist of less than 12 inches of loose fill or native soil, or unsuitable fill or native soil, should be over -excavated and backfilled with crushed rock. • Areas of subgrade that consist of more than 12 inches of loose or unsuitable fill/native soil should be over -excavated and backfilled with at least 2 feet of structural fill topped by 6 inches of crushed rock. • Structural backfill should meet the requirements of gravel borrow (or equivalent) per the Washington State Department of Transportation (WSDOT) 2016 Standard Specifications, Section 9-03.14(1). Structural backfill should be placed at optimal moisture in 6-inch loose lifts and compacted to a firm and unyielding surface to achieve at least 95 percent of maximum dry density as determined by the modified proctor test ASTM D1557. • The final subgrade should be flat and free of loose earth materials or boulders larger than 4 inches in diameter. The subgrade should be probed to confirm uniform soil density and approved by a LEG or PEG. • Crushed rock should meet the requirements of crushed surfacing base course (CSBC) per the WSDOT 2016 Standard Specifications, Section 9-03.9(3). CSBC should be placed in 6-inch lifts and compacted to a firm and unyielding surface to achieve at least 95 percent of maximum dry density as determined by ASTM D1557. USE OF EXCAVATED EARTH MATERIALS • Excavated topsoil, which occurs to a depth of approximately 2 feet, is unsuitable for backfill and should be exported off site or used for landscaping. • Excavated deeper native soil below the topsoil may be stockpiled for reuse as structural fill if the soil contains less than 15 percent fines; the moisture content of the excavated soil is within plus or minus 2 percent of optimum; the soil contains no waste debris, organic soil, or woody material; and all rock materials (cobbles, boulders, and rock fragments) larger than 4 inches in diameter are removed. • Stockpiled earth materials should be protected from wetting or drying that would make it unsuitable as fill. • Earth materials excavated for re -use as fill, as well as all imported fill material, should be tested for moisture content just prior to placement. Structural fill should be within plus or minus 2 percent of its optimum moisture content when placed. 9/28/2017 3:35 J:\Data\HWD\l 16-038\Geo\Tech Memo Re Pump Station No. 8.docx Technical Memorandum RE: Pui,,N Station No. 8 Engineering Geology EvaluaL..,ii September 28, 2017 Page 5 SLOPES AND SHORING • The native soil may support temporary slopes at 2H:1 V, as long as they are protected from erosion, runoff, and vibration. • The pump room excavation may require shoring below depths of 4 feet if workers will enter the excavation to construct the pump station, and if adjacent roads and utilities require protection. The pump station will be constructed of cast -in -place concrete, and will become the permanent retaining wall for the cut slope. All peiivanent faces in native soil should be no steeper than 3H:1V. • All temporary slopes should be reviewed for stability several times a day, or as often as necessary to ensure slope integrity. This shall include reviewing the top of the slope for tension cracks and settlement, as well as erosion. • The native soil is moderately erodible. All temporary slopes should be protected from erosion from direct precipitation, or runoff from adjacent impermeable surfaces. Before and during precipitation events, the surface should be covered by plastic sheeting or other techniques that prevent rain splash erosion and rilling. • All permanent slopes and swales should be protected from erosion by hydroseeding, and planting with landscape fabric, coarse bark placement, quarry spalls, or other materials that prevent rain splash erosion and rilling. SEISMIC DESIGN FACTORS • There is a high probability that the site will experience a moderate (M 5) earthquake in the next 50 years. • The native soil should be considered as a Site Class C to D, Dense to Very Dense Soil, per International Building Code (IBC) (2016) Site Class definitions. ON -SITE INFILTRATION CAPACITY • The glacial outwash is very permeable and extends to a depth of at least 12 feet bgs; no barriers exist to impede vertical infiltration and create mounding conditions. Grain size analysis method results indicate an initial saturated hydraulic conductivity value of 0.12centimeters per second, or 17 inches per hour, which suggests a high suitability for on -site infiltration. A long-term infiltration rate of 5 inches per hour is recommended for design of an on -site stormwater infiltration system to accommodate variability in the subsurface and incremental clogging of the infiltration system. 9/28/2017 3:35 PM J:\Data\HWD\116-038\Geo\Tech Memo Re Pump Station No. 8.docx Technical Memorandum RE: Pump Station No. 8 Engineering Geology Evaluation September 28, 2017 Page 6 ATTACHMENTS Figure 1— Proposed Site Plan Appendix A — Test Pit Logs Appendix B — Particle Size Analysis 9/28/2017 3:35 PM J:\Data\1-1WD\1 16-038\Geo\Tech Memo Re Pump Station No. 8.docx FIGURE 1 — a irr 0 e SITE INGRESS AND EGRESS LANDSCAPED AREAS, TYP. \\ r 1 1 1 ; 1 1 1 1' 20' FRONT SETBACd K -. IL_ ' TP- 2 ( 537980-0009 ) 16032 42ND AYE S tJ 9y� 1, ( 537980-0002 ) 16026 42ND AVE S 15' SEWER EASEMENT PER FUTURE CONNECTION TO WATER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS MAIN WITHIN 42ND AVENUE, TYP, BUILDING MINIMUM SETBACK BUILDING DRIP EDGE CUT -- Figure 1 PROPOSED SITE PLAN 1' = 10' EXISTING SITE CONTOURS, TYP. 10.0' TYPE I — LANDSCAPE BUFFER, TYP. SIDE AND REAR YARDS gem 11.9' CU _ CUT J CU 5' SIDE SETBACK, TYP. 537980-0003 16036 42ND AVE S 31.9' 10' BACK SETBACK / KEYSTONE RETAINING WALL, MAX HEIGHT APPROX. 4' 10' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS 7.5' SEWER EASEMENT PER 42ND AVE. SOUTH SEWER EXTENSION CONSTRUCTION RECORDS VICINITY MAP PROJECT PARCEL CRESTVIEW RESERVOIR C U cc V~) cc W W Z J PUMP STATION NO. 8 PUMP STATION 8 SITE PLAN 9 PS&P-01V01-ALTI-REDUCED ACCESS.DWG nOTOlir Sep 15. 2017 REVISIONS 9 SCALE: #8## v r DRAWING /S FULL SCALE WHEN BAR MEASURES 2' DWG NO.: #.µ SHEET NO: J 1FttthlF i APPENDIX A Test Pit/Exploration Log HWD PS8 TP1 Exploration Name Pump Station No. 8 Project West Side of Property Tukwila, WA Location Plii2mmi ENGINEERS —PLANNER-5— g C' F " T' T Steve Nelson, LEG Inspected By August 10, 2017 Date HWD 116.038 Project # Deere 310SG Backhoe — 2-foot bucket Highline Water District Backhoe and Operator Depth Description Sketch/Photo 0 to 0.5 feet Gravelly Sandy SILT (ML) Brown, fine to medium sand, subrounded to subangular fine gravel; organic; dry to moist; loose (Topsoil) ` ' :VI e .:yF"``Oi Q- ��--%,. Y .. "ri _ „ , *, - T' �. , < ,``�� t k t . - a,;;• 'd, - f fprn".. f ' 4` .(. _.. t�^ / E tS~ZSj: '� ` ) ♦q a. Y 0.5to2.0feet Gravelly Sandy SILT (ML) Brown, fine to medium sand, subrounded to subangular fine gravel; organic; dry to moist; loose (Fill) 2.0 to 5.0 feet Silty Gravelly SAND (SM) Light Brown, fine to medium sand, some coarse',' sand, subrounded fine to coarse gravel, some cobbles, trace organic material and roots to 4 feet; moist; moderate dense (Fill-weathered114,x glacial till) 5.0 to 12.0 feet SAND with Gravel (SP) Brown to olive, fine sand, few fine subrounded., gravel; moist; moderately dense (Glacial Outwash) No groundwater seepage. Sidewalls stable unless disturbed. Exploration backfilled with excavated material. J:\Data\HWD\116-038\Geo\HWD PS8 Test Pit Logs.docxPage 1 of 2 Test Pit/Exploration Log HWD PS8 TP2 Exploration Name Pump Station No. 8 Project East Side of Property Tukwila, WA Location M-i2 ENGINEERS -PLANNER-3 s c IENTICTS. Steve Nelson, LEG Inspected By August 10, 2017 Date HWD 116.038 Project # Deere 310SG Backhoe — 2-foot bucket Highline Water District Backhoe and Operator Depth Description Sketch/Photo 0 to 3.5 feet Sandy Gravelly SILT (ML), dark brown, fine to coarse sand, subrounded fine to coarse gravel with cobbles and trace boulders; trace concrete fragments and lumber; some organic material; moist; compact (Fill) t< f,--. f r 3.5 to 10.0 feet SAND with Gravel (SP) Brown to olive, fine to medium sand, few fine subrounded gravel; moist; moderately dense (Glacial Outwash) No groundwater seepage. Sidewails stable unless disturbed. Exploration backfilled with excavated material. J:\Data\HWD\116-038\Geo\HWD PS8 Test Pit Logs.docxPage 2 of 2 APPENDIX B HWA GEOSCIENCES INC. En inc.ct'inz {1"i�lta_�itr�it:,�ti .i;E•ocilvironniciltal 'lnspcciion (hut 1 September 28, 2017 HWA Project No. 2012-013 Task 2300 RH2 Engineering, Inc. 22722 29th Drive SE, Suite 210 Bothell, Washington 98021 Attention: Mr. Steve Nelson, L.G., L.H.G. Subject: Soil Laboratory Testing Report Particle Size Analysis HWD — PS8 Client Project No. 116-038 04402 Dear Mr. Nelson; As requested, HWA GeoSciences Inc. (HWA) performed laboratory testing for the above referenced project. Herein we present the results of our laboratory analyses, which are summarized on the attached figure. The laboratory testing program was performed in general accordance with your instructions and appropriate ASTM Standards as outlined below. SAMPLE INFORMATION: The subject sample was delivered to our laboratory on September 21, 2017 by RH2 personnel. The sample was delivered in a re -sealable plastic bag and was designated with project name and depth of sampling. The soil was classified for engineering purposes based on manual -visual methods, the soil descriptions for the samples are shown on Figure 1. MOISTURE CONTENT OF SOIL: The moisture content of the soil sample (percent by dry mass) was determined in general accordance with ASTM D 2216. The results are shown on the attached Figure 1. PARTICLE SIZE ANALYSIS OF SOILS: The sample was tested to determine the particle size distribution in general accordance with ASTM D422, by wet sieve analysis only. The results are summarized on the attached Particle Size Analysis of Soils report, Figure 1, which also provides information regarding the classification of the sample and their moisture content at the time of testing. 21312 306 Drive SE Suite 110 Bothell, WA 98021-7010 Tel: 425.774.0106 Fax: 425.774.2714 www.hwageo.com September 28, 2017 HWA Project No. 2012-013 Task 2300 0•0 CLOSURE: Experience has shown that test values on soil and other natural materials vary with each representative sample. As such, HWA has no knowledge as to the extent and quantity of material the tested samples may represent. HWA also makes no warranty as: to how representative either the samples tested or the test results obtained are to actual field conditions. It is a well -established fact that sampling methods present varying degrees of disturbance that affect sample representativeness. No copy should be made of this report except in its entirety. We appreciate the opportunity to provide laboratory testing services on this project. Should you have any questions or comments, or if we may be of further service, please call. Sincerely, HWA GEOSCIENCES INC. Stephen Wright Materials Testing Lab Manager Attachments: Figure 1 Particle Size Analysis of Soils ASf) Steven E. Greene, L.G., L.E.G. Principal Engineering Geologist Vice President T2300 Letter Report 2 HWA GeoSciences Inc. PERCENT FINER BY WEIGHT 100 90 80 70 60 50 40 30 20 10 0 GRAVEL SAND SILT CLAY Coarse Fine Coarse Medium Fine U.S. STANDARD SIEVE SIZES 3/4" 3" 1-1/2" 1 5/8" 3/8" #4 #10 #20 #40 #60 #100 1 #200 50 10 5 1 0 5 0 1 0.05 GRAIN SIZE IN MILLIMETERS 0.01 0.005 0.001 0.0005 SYMBOL SAMPLE DEPTH (ft. CLASSIFICATION OF SOIL- ASTM D2487 Group Symbol and Name % MC LL PL PI Gravel A Sand Ao Fines o A • TP-2 (SP-SM) Olive -brown, poorly graded SAND with silt and gravel 1 19.5 75.1 5.4 HWAGEOScIENCES INC. Laboratory Testing for RH2 HWD-PS8 PARTICLE -SIZE ANALYSIS OF SOILS METHOD ASTM D422 PROJECT NO.: 2012-013 T2300 FIGURE: HWAGRSZ 2012-013 T2300. GPJ 09/28/17 Parcel No: Address: City of Tukwila Department of Community Development 6300 Southcenter Boulevard, Suite #100 Tukwila, Washington 98188 Phone: 206-431-3670 Inspection Request Line: 206-438-9350 Web site: htto://www.TukwilaWA.Aov 5379800009 16032 42ND AVE S DEVELOPMENT PERMIT Project Name: HIGHLINE WATER DIST- DEMO Permit Number: D16-0353 Issue Date: 1/11/2017 Permit Expires On: 7/10/2017 Owner: Name: Address: HARPER CLIFTON R 16032 42ND AVE S , TUKWILA, WA, 98188 Contact Person: Name: JEREMY DELMAR Address: 23828 30TH AVE S KENT, WA, 98032 Contractor: Name: AFFIDAVIT - DAVE STANLEY Address: license No: 111 Lender: Name: EXEMPT - GOVERNMENT ENTITY Address: I Phone: (206) 592-8904 Phone: Expiration Date: DESCRIPTION OF WORK: DEMO OF EXISTING STRUCTURE Project Valuation: $25,000.00 Type of Fire Protection: Sprinklers: NO Fire Alarm: NO Type of Construction: VB Electrical Service Provided by: TUKWILA Fees Collected: $1,241.02 Occupancy per IBC: R-3 Water District: HIGHLINE Sewer District: VALLEY VIEW Current Codes adopted by the City of Tukwila: International Building Code Edition: International Residential Code Edition: International Mechanical Code Edition: Uniform Plumbing Code Edition: International Fuel Gas Code: Public Works Activities: Channelization/Striping: Curb Cut/Access/Sidewalk: 2015 2015 2015 2015 2015 National Electrical Code: WA Cities Electrical Code: WAC 296-46B: WA State Energy Code: 2014 2014 2014 2015 nEcz.tvr-.70 OCT 0 9 2017 Community Development Fire Loop Hydrant: Flood Control Zone: Hauling/Oversize Load: Land Altering: Volumes: Cut: 0 Fill: 0 Landscape irrigation: Sanitary Side Sewer: Number: 0 Sewer Main Extension: Storm Drainage: Street Use: Water Main Extension: Water Meter: No \ C Permit Center Authorized Signature: Date: I' R IN-1 7 I hearby certify that I have read and examined this permit and know the same to be true and correct. All provisions of law and ordinances governing this work will be complied with, whether specified herein or not. The granting of this permit does not presume to give authority to violate or cancel the provisions of any other state or local laws regulating construction or the performance of work. I am authorized to sign and obtain this development permitted agree to tlje c ndjions attached to this permit. Signature: Print Name: cY J !T v�� -toLe Date: /I // 7 This permit shall become null and void if the work is not commenced within 180 days for the date of issuance, or if the work is suspended or abandoned for a period of 180 days from the last inspection. PERMIT CONDITIONS: 1: ***PUBLIC WORKS PERMIT CONDITIONS*** 2: The applicant or contractor must notify the Public Works inspector at (206) 433-0179 upon commencement and completion of work at least 24 hours in advance. All inspection requests for utility work must also be made 24 hours in advance. 3: Permit is valid between the weekday hours of 7:00 a.m. and 10:00 p.m. only. Coordinate with the Public Works Inspector for any work after 5:00 p.m. and weekends. 4: Any material spilled onto any street shall be cleaned up immediately. 5: Temporary erosion control measures shall be implemented as the first order of business to prevent sedimentation off -site or into existing drainage facilities. 6: The site shall have permanent erosion control measures in place as soon as possible after final grading has been completed and prior to the Final Inspection. 7: From October 1 through April 30, cover any slopes and stockpiles that are 3H:1V or steeper and have a vertical rise of 10 feet or more and will be unworked for greater than 12 hours. During this time period, cover or mulch other disturbed areas, if they will be unworked more than 2 days. Covered material must be stockpiled on site at the beginning of this period. Inspect and maintain this stabilization weekly and immediately before, during and following storms. 8: From May 1 through September 30, inspect and maintain temporary erosion prevention and sediment at least monthly. All disturbed areas of the site shall be permanently stabilized prior to final construction approval. 9: Applicant shall contact Valley View District (206-242-3236) to verify if this property is connected to the Valley View District sanitary sewer system. 10: Any septic tanks in the area shall be pumped empty and removed or filled with sand. A copy of the documentation from the business that performed the pumping shall be provided to the Public Works Inspector. 11: ***BUILDING PERMIT CONDITIONS*** 12: Work shall be installed in accordance with the approved construction documents, and any changes made during construction that are not in accordance with the approved construction documents shall be resubmitted for approval. 13: All permits, inspection record card and approved construction documents shall be kept at the site of work and shall be open to inspection by the Building Inspector until final inspection approval is granted. 14: Remove all demolition rubble and loose miscellaneous material from lot or parcel of ground, properly cap the sanitary sewer connections, and properly fill or otherwise protect all basements, cellars, septic tanks, wells, and other excavations. Final inspection approval will be determined by the building inspector based on satisfactory completion of this requirement. 15: VALIDITY OF PERMIT: The issuance or granting of a permit shall not be construed to be a permit for, or an approval of, any violation of any of the provisions of the building code or of any other ordinances of the City of Tukwila. Permits presuming to give authority to violate or cancel the provisions of the code or other ordinances of the City of Tukwila shall not be valid. The issuance of a permit based on construction documents and other data shall not prevent the Building Official from requiring the correction of errors in the construction documents and other data. PERMIT INSPECTIONS REQUIRED Permit Inspection Line: (206) 438-9350 1700 BUILDING FINAL** 5200 EROSION MEASURES 5210 EROSION MEASURES FNL 0101 PRE -CONSTRUCTION 1600 PUBLIC WORKS FINAL CITY OF T UKWILA Department of Community Development 630o Southcenter Boulevard, Tukwila, WA 98188 Telephone: (206) 431-3670 FAX (206) 431-3665 E-mail: tukplan(cr�ci.tukwila.wa.us Permit Center/Building Division 206 431-3670 Public Works Department 206 433-0179 Planning Division 206 431-3670 AFFIDAVIT IN LIEU OF CONTRACTOR REGISTRATION PERMIT NO:./ 16 "63 J� STATE OF WASHINGTON) ) ss. COUNTY OF KING D 4 1' [please print name] 1. I have made application for a permit from the City of Tukwila, Washington.. 2. I understand that state law requires that all budding construction contractors be registered with the State of Washington. The exceptions to this requirement are stated under Section 18.27.090 of the Revised Code of Washington, a copy of which is printed on the reverse side of this Affidavit. I have read or am familiar with RCW 18.27.090. 3. I understand that prior to issuance of a permit for work which is to be done by any contractor, the City of Tukwila must verify either that the contractor is registered by the State of Washington, or that one of the exemptions stated under RCW 18.27.090 applies. 4. In order to provide verification to the City of Tukwila of my compliance with this requirement, I hereby attest that after reading the exemptions from the registration requirement of RCW 18.27.ogo, I consider the work authorized under this permit to be exempt under number /3, and will therefore not be performed by a registered contractor. 5. I understand that the licensing provision of RCW 19.28.161 through 19.28.271 shall not apply to persons making electrical installations on their own property or to regularly employed employees working on the premises of their employer. The proposed electrical work is not for the construction of a new building for rent, sale or lease. , states as follows: I understand that I may be waiving certain rights that I might otherwise have under state law in any decision to engage an unregistered contractor to perform constructio F . rk. LAUR►E A. WERLE NOTARY PUBLIC STATE OF WASHINGTON COMM(SSJON EXPIRES MAY 29, 2018 Owne • wner's Agent* Signed and sworn to before me this dayof L lt,1�lUt.ci-�( ,20(7. j NO AR PUBLIC in and for the State o Residing at Washington , County Name as commissioned: J" CdI7 My commission expires: iJ i t / c� 18.27.0go Exemptions. The registration provisions of this chapter do not apply to: 1. An authorized representative of the United States government, the state of Washington, or any incorporated city, town, county, township, irrigation district, reclamation district, or other municipal or political corporation or subdivision of this state; 2. Officers of a court when they are acting within the scope of their office; 3. Public utilities operating under the regulations of the utilities and transportation commission in construction, maintenance, or development work incidental to their own business; 4. Any construction, repair, or operation incidental to the discovering or producing of petroleum or gas, or the drilling, testing, abandoning, or other operation of any petroleum or gas well or any surface or underground mine or mineral deposit when performed by an owner or lessee; 5. The sale of any finished products, materials, or articles of merchandise that are not fabricated into and do not become a part of a structure under the common law of fixtures; 6. Any construction, alteration, improvement, or repair of personal property performed by the registered or legal owner, or by a mobile/manufactured home retail dealer or manufacturer licensed under chapter 46.7o RCW who shall warranty service and repairs under chapter 46.7o RCW; 7. Any construction, alteration, improvement, or repair carried on within the limits and boundaries of any site or reservation under the legal jurisdiction of the federal government; 8. Any person who only furnished materials, supplies, or equipment without fabricating them into, or consuming them in the performance of, the work of the contractor; 9. Any work or operation on one undertaking or project by one or more contracts, the aggregate contract price of which for labor and materials and all other items is less than five hundred dollars, such work or operations being considered as of a casual, minor, or inconsequential nature. The exemption prescribed in this subsection does not apply in any instance wherein the work or construction is only a part of a larger or major operation, whether undertaken by the same or a different contractor, or in which a division of the operation is made into contracts of amounts less than five hundred dollars for the purpose of evasion of this chapter or otherwise. The exemption prescribed in this subsection does not apply to a person who advertises or puts out any sign or card or other device which might indicate to the public that he or she is a contractor, or that he or she is qualified to engage in the business of contractor, 10. Any construction or operation incidental to the construction and repair of irrigation and drainage ditches of regularly constituted irrigation districts or reclamation districts; or to farming, dairying, agriculture, viticulture, horticulture, or stock or poultry raising; or to clearing or other work upon land in rural districts for fire prevention purposes; except when any of the above work is performed by a registered contractor, 11. An owner* who contracts for a project with a regis►,.,ed contractor, except that this exemption shall not deprive the owner of the protections of this chapter against registered and unregistered contractors. The exemption prescribed in this subsection does not apply to a person who performs the activities of a contractor for the purpose of leasing or selling improved property he or she has owned for less than twelve months; 12.* Any person working on his or her own property, whether occupied by him or her or not, and any person working on his or her personal residence, whether owned by him or her or not but this exemption shall not apply to any person who performs the activities of a contractor on his or her own property for the purpose of selling, demolishing, or leasing the property; 13. An owner* who performs maintenance, repair, and alteration work in or upon his or her own properties, or who uses his or her own employees to do such work; 14. A licensed architect or civil or professional engineer acting solely in his or her professional capacity, an electrician certified under the laws of the state of Washington, or a plumber certified under the laws of the state of Washington or licensed by a political subdivision of the state of Washington while operating within the boundaries of such political subdivision. The exemption provided in this subsection is applicable only when the person certified is operating within the scope of his or certification; 15. Any person who engages in the activities herein regulated as an employee of a registered contractor with wages as his or her sole compensation or as an employee with wages as his or her sole compensation; 16. Contractors on highway projects who have been prequalified as required by RCW 47.28.070, with the department of transportation to perform highway construction, reconstruction, or maintenance work; 17. A mobile/manufactured home dealer or manufacturer who subcontracts the installation, set-up, or repair work to actively registered contractors. This exemption only applies to the installation, set-up, or repair of the mobile/manufactured homes that were manufactured or sold by the mobile/manufactured home dealer or manufacturer; 18. • An entity who holds a valid electrical contractor's license under chapter 19.28 RCW that employs a certified journeyman electrician, a certified residential specialty electrician, or an electrical trainee meeting the requirements of chapter 19.28 RCW to perform plumbing work that is incidentally, directly, and immediately appropriate to the like -in -kind replacement of a household appliance or other small household utilization equipment that requires limited electric power and limited waste and/or water connections. An electrical trainee must b supervised by a certified electrician while performing plumbing work. • Per Washington State Department of Labor and Industries lessee has been interpreted to be equivalent to owner for purposes of exemptions. SEA E P ARMIT REQUIRED OR: t Mecriamc 1 E1ectricet ErPlumbing arGas Piping) City of Tukwila BUILDING DIVISION DEMOLRION PLAN FIELD COP' pennit PK0,- This set of construction documents shati be kept at the site of work and shall be open to inspection by the Building Dffick v: a duty authorized representative_ City Of Tukwila BUILDING DINT,ST.Orti DEMOLITION AND RESTORATION NOTES ALL EXISTNG BUILDIND INCLUDING BUT NOT LOADED TO BUILDING STRUCTURES, DECKS. CONCRETE BASEMENT, BASELENT FLOOR, AND ALL OTTER BUILDING APPURTENANCES SHALL BE REMOVE). IF ANY IlA7ARDOUS SASBE.4TD6 LOCAL REDUIREMENTS. 'A ( l x SI( ( P PERLY i ;iT P. THE REMOVED BASEMENTS fSHALLLL BE BAGff0.1IDrWLTI ` `'SN ( 0 SL• ,I CIFIED IN W$D0T SPEO1F (IG//Ti_ONB SECTION BOd.1E. BANK RUN GRAVEL SHALL BE RACED N UNIFORM LAYERS NOT TO EXCEED 12 INCHES N LOOSE THICKNESS AN. tX:4PACTED tU BO PERCENT OF ITS MAXIMUM DRY DEN&I Y BASED ON THE A$TI' 0.1557 (MOWED) TEST PROCEDURE. THE FINISHED GRADE SHALL BE HYDROSEEDED TO PREVENT EROSION. PROVIDE TEMPORARY MULCH TC HYDROGEEDED AREAS AS REOURED FOR ESTABLISHMENT MD TO PROTECT SEED FROM EROSION. REVISIONS I\io dsnges shall I> , m de to the scope Of work without prior approval of Tukwila Building Division NOTE: Revisions di require a new plan submittal and may include additional plan review fees. djSTREETVIEW L4(e Ot j 0 tet•N Cot4111-u(11 z, I REVIEWED FOR CODE COMPLIANCE APPROVED 3 U t-.i + t r, 't+t i 7 Jr1 + City of Tukwila B 1LDING DIVISION RECEIVED DEC 2 9 2016 TUKWILA PUBLIC WORKS RECEIVED CITY OF TUKWILA DEC 2 8 2016 PERMIT CENTER HIGHLINE WATER DISTRICT King County, Washington RESOLUTION NO. 16-10-19A A RESOLUTION OF THE BOARD OF COMMISSIONERS OF HIGHLINE WATER DISTRICT, KING COUNTY, WASHINGTON, AUTHORIZING AND APPROVING THE ACQUISITION BY NEGOTIATION OR CONDEMNATION OF CERTAIN REAL PROPERTY FOR USE BY THE DISTRICT RELATING TO THE CONSTRUCTION OF A NEW BOOSTER PUMP STATION AND APPURTENANCES. WHEREAS, Highline Water District ("District") is a special purpose municipal corporation authorized and existing under the laws of the State of Washington, Title 57 RCW, and is authorized by law to provide water utility service to areas located within its water service area; and WHEREAS, the District Board of Commissioners has previously authorized and approved the District's Comprehensive Water Plan ("Comprehensive Plan"); and WHEREAS, the District's Comprehensive Plan contemplates the need for the construction of a new booster pump station and appurtenances in order to improve emergency supply reliability for the District's 560 pressure zone, which new booster pump station is referred to as Pump Station No. 8; and WHEREAS, construction of Pump Station No. 8 and appurtenances will allow the District's largest storage reservoir (Crestview Reservoir) to provide water to customers in the 560 pressure zone in the event the existing Pump Station No. 6 becomes inoperable; and WHEREAS, District staff and consultants have reviewed and analyzed' various alternative locations for the construction of Pump Station No. 8 and have recommended that the District acquire certain real property being identified as King County Tax Lot No. 537980-0009 located at 16032 42nd Ave. S., Tukwila, Washington (the "Real Property"); and WHEREAS, the Real Property to be acquired by the District is legally described in Exhibit A and depicted in Exhibit 8, which Exhibits are attached hereto and incorporated herein by this reference; and WHEREAS, in order to construct Pump Station No. 8 and appurtenances, it is necessary for the District to acquire, condemn, appropriate and take the Real Property; and WHEREAS, the District is authorized by Chapter 57.08 RCW to institute eminent domain proceedings under Chapter 8.12 RCW; and WHEREAS, District staff and consultants have requested that"the Board of Commissioners authorize District staff, legal counsel and appraisers to proceed with the acquisition of the required and necessary Real Property by negotiation and/or eminent domain proceedings as deemed appropriate, subject to the District paying the owner(s) of the Re ,pew just. compensation for such taking. " a tf OCT 09 2017 16-10-19A AcquisitionofPropertyByCondemnation.docx Page 1 of 2 Community Development HIGHLINE WATER DISTRICT King County, Washington RESOLUTION NO. 16-10-19A NOW, THEREFORE, BE IT RESOLVED, by the Board of Commissioners of Highline Water District, King County, Washington, as follows: 1. Recitals Incorporated. The recitals set forth above are hereby adopted as if set forth in full herein. 2. Public Use and Necessity of Real Property. The Real Property described in this Resolution is needed for a public use and is necessary for the construction of Pump Station No. 8 and appurtenances, and such Real Property is being condemned, appropriated and taken for public purposes, subject to the making or paying of just compensation to the owner(s) thereof in the manner provided by law. 3. Acquisition of Real Property. District staff, District legal counsel, and appraisers are authorized to enter into any and all negotiations and agreements necessary to acquire the Real Property as legally described and depicted on Exhibits A and B, provided that if such negotiations fail to acquire the Real Property in a timely manner, as determined by the District General Manager, District legal counsel is authorized to file and prosecute proceedings provided by law to condemn, appropriate and take the Real Property through an action in eminent domain and to carry out the provisions of this Resolution. ADOPTED BY THE BOARD OF COMMISSIONERS of Highline Water District at a regular open public meeting held on the 19th day of October 2016. ARD OF COMMISSIONERS Daniel Johr(s, Commissioner Kathleen Quong-Vermeire, Commissioner T•�• tz, Secretary ,i George ; ` don, Com issioner 16-10-19A AcquisitionOfPropertyByCondemnation.docx Page 2 of 2 EXHIBIT A LEGAL DESCRIPTION Real property in the County of King, State of Washington, described as follows: BEGINNING AT A POINT ON THE NORTH LINE OF SECTION 27, TOWNSHIP 23 NORTH, RANGE 4 EAST, W.M., IN KING COUNTY, WASHINGTON, DISTANT NORTH 89°59'10" WEST 2456.10 FEET FROM THE NORTHEAST CORNER OF SAID SECTION 27; THENCE SOUTH 0°15'50" EAST 310.01 FEET TO POINT OF BEGINNING; THENCE CONTINUING SOUTH 0°15'50" EAST 66.66 FEET; THENCE NORTH 89°59'10" WEST 150 FEET; THENCE NORTH 0°15'50" WEST 66.66 FEET; THENCE SOUTH 89°59'10" EAST 150 FEET TO THE POINT OF BEGINNING; (ALSO KNOWN AS THE SOUTH 66.66 FEET OF THE NORTH 346.67 FEET OF LOT 1, BLOCK 5, MCMICKEN HEIGHTS DIVISION NUMBER 2, ACCORDING TO THE UNRECORDED PLAT THEREOF); SITUATE IN THE CITY OF TUKWILA, COUNTY OF KING, STATE OF WASHINGTON. Tax Parcel Number: 537980000906 Situs Address: 16032 42nd Avenue S, Tukwila, WA 98188 Exhibit-A_Legal Description_Harper_Property(Res16-10-19A).docx EXHIBIT B DEPICTION OF REAL PROPERTY 14OW 0706 A h. V 31150 0705 „,F,. twist 0704 7COOb 0709 E750k «O. .;1•1 0703 1 1 7000* 0700 .22SQn* 0715 It I3 woo, O yy I Lot 3 0400 13 1 lot 1 ' ':` 5ZgP S Lol 2 ri;1201 °6 ta Ovi Ogre 7317* 77i7q 7„40070 0 0719 t1.11 0718 0723 :s.s. •On 1MCGai tr I1 Raw 225CO* 07.2 115 (� O0C6 b ;uwJ 1on50N 0001 U7 ".v« 100'501ti au•1 0007 100501 w.. 6VW POW 1 0002 40 n 100 50* 0009 ooso* 0303 w u+ r Ait nV1 165001' 0021 ♦A•1.1 ma+ 150 241854 0020 e 1005c11 0004 0 co • ,..r. r 10650* 0005 0 K 2 Exhibit-B_DepictionOfRealProperty(Res16-10-19A).docx Certificate I, Todd Fultz, Secretary of the Board of Commissioners of Highline Water District, King County, Washington, do hereby certify that the foregoing resolution is a true and correct copy of Resolution No. 16-10-19A of such Board, duly adopted at a regular meeting thereof held on the 19th day of October, 2016, signed by the members of such Board in attendance at such meeting and attested by myself in authentication of such adoption. Todd 1u[tz, Secretary Board of Commissioners Highline Water District King County, Washington Certificate(Resotution 16-10-19A).docx Reference Links: New Search Propertt Tax Bill \lap This Property Glossae) of Terms Area Report PARCEL Property Detail ADVERTISEMENT Parcel Number 537980-0009 Name HIGHLINE WATER DISTRICT Site Address Legal MC MICKEN HEIGHTS DIV # 2 UNREC VAL OF UNDEEDED STS & ALLEYS INCL IN ADJ LOT VAL S 66.66 FT OF N 346.67 FT BUILDING 1 Year Built Total Square Footage Number Of Bedrooms Number Of Baths Grade Condition Lot Size Views Waterfront 10050 No TOTAL LEVY RATE DISTRIBUTION Tax Year: 2017 Levy Code: 2326 Total Levy Rate: $13.57619 Total Senior Rate: $7.30632 School. 5.71235. 42.08% Coy. 3.05735. 22.52% Port. 0.15334. 1 13% 50.02% Voter Approved Library, 0.45118.332% EMS. 0.26305. 1.94% Floor). 9.11740, 0.86% RST. 0.25000. 1.84% TPI.IP, 0.15653, 1 15% Sato School Fond. 2.03205. 14 97% County. 1.38294. 10.19% Click here to see levy distribution comparison by year TAX ROLL HISTORY This is a govemment owned parcel. Change to state law (RCW 84. 40.045 and 84.40.175) by the 2013 Legislature eliminated revaluation of government owned parcels. ADVERTISEMENT o )Grtg County Taxing Districts Codes and Levies (.PDFI a King Coun y Tax Linke Property Tax Advist Washington State Department of Revenue (External link) o Washington State Board of Tax Appeals (External link) Board of Appeals/Equalizatie Districts Report oNAP Recorder's Office Scanned images of surveys and other Joao documents Scanned images of plats ADVERTISEMENT Notice mailing date: 07/13/2017 RECEIVED OCT 09 2011 Community Development 7/10/2017 King County Department of Assessments: eReal Property AMEN l Search Property Tax Bill Map This Property Glossary of Terms Area Report PARCEL DATA Parcel 537980-0009 Name HIGHLINE WATER DISTRICT Site Address Residential Area 024-001 (WC Appraisal District) Property Name Legal Description ADVERTISEMENT tn Print Property Detail Jurisdiction TUKWILA Levy Code 2326 Property Type R Plat Block / Building Number 5 Plat Lot / Unit Number 1 Quarter -Section -Township- Range NE-27.23-4 MC MICKEN HEIGHTS DIV # 2 UNREC VAL OF UNDEEDED STS & ALLEYS INCL IN ADJ LOT VAL S 66.66 FT OF N 346.67 FT PLat Block: 5 Plat Lot: 1 LAND DATA Highest & Best Use As If Vacant SINGLE FAMILY Highest & Best Use As Improved PRESENT USE Present Use Single Family(Res Use/Zone) Land SgFt 10,050 Acres 0.23 Views Rainier Territorial Olympics Cascades Seattle Skyline Puget Sound Lake Washington Lake Sammamish Lake/River/Creek Other View Designations Historic Site Current Use (none) Nbr Bldg Sites Adjacent to Golf Fairway NO Adjacent to Greenbelt NO Other Designation NO Deed Restrictions NO Development Rights Purchased NO Easements NO Native Growth Protection Easement NO DNR Lease NO Percentage Unusable 0 Unbuildable NO Restrictive Size Shape NO Zoning LDR Water WATER DISTRICT Sewer/Septic PUBLIC Road Access PUBLIC Parking ADEQUATE Street Surface PAVED Waterfront Waterfront Location Waterfront Footage 0 Lot Depth Factor 0 Waterfront Bank Tide/Shore Waterfront Restricted Access Waterfront Access Rights NO Poor Quality NO Proximity Influence NO Nuisances Topography Traffic Noise MODERATE Airport Noise Power Lines NO Other Nuisances NO Problems Water Problems NO Transportation Concurrency NO Other Problems NO Environmental Environmental NO BUILDING TAX ROLL HISTORY ADVERTISEMEN This is a government owned parcel. http://b lue. kingcounty, com/AssessodeRealProperty/Detail.aspx?ParcelNbr=5379800009 1/2 7/10/2017 King County Department of Assessments: eReal Property Change to state law (RCW 84. 40.045 ar. owned parcels. ;0.175) by the 2013 Legislature eliminated revaluation of gover SALES HISTORY Excise Number Recording Number Document Date Sale Price Seller Name Buyer Name Instrument Sale Reason 2834297 20161116000646 11/8/2016 $200,000.00 HARPER CLIFTON R HIGHLINE WATER DISTRICT Statutory Warranty Deed Other 1403648 199411101940 11/2/1994 $124,900.00 ROCKAFIELD DAVID+LINDA M HARPER CLIFTON R Warranty Deed None REVIEW HISTORY PERMIT HISTORY Permit Number Permit Description Type Issue Date Permit Value Issuing Jurisdiction Reviewed Date D16-0353 DEMO OF EXISTING STRUCTURE, Demolition 1/11/2017 $0 TUKWILA 5/19/2017 New Search Property Tax Bill HOME IMPROVEMENT EXEMPTION Map This Property Clossar) or Terms Area Report Print Property Detail ADVERTISEMENT http://blue.kingcounty.com/Assessor/eRealProperty/Detail.aspx?ParcelNbF5379800009 2/2 First Am. First American Title Insurance Company 818 Ste, St, Ste 800 Seattle, )8101 Phn- (206)728-0400 (800)826-7718 Fax - King County Title Team 818 Stewart St, Ste. 800, Seattle, WA 98101 Fax No. (866) 904-2177 Fax No. (866) 561-3729 EMAIL: TITLEKINGWA@firstam.com Pat Fullerton (206) 615-3055 Kelly Cornwall (206) 336-0725 Jennifer Salas (206) 615-3011 Peter Child (206) 336-0726 Curtis Goodman (206) 615-3069 Municipality Title Officer To: Abeyta & Associates 1011 SW Klickitat WAY STE 206 Seattle, WA 98134 Attn: Rosa Villa Kathy J. Turner (206) 336-0724 File No.: 4209-2728630 Customer Reference: 16032 42nd Avenue S, Tukwila, WA 98188 Re: Property Address: 16032 42nd Avenue S, Tukwila, WA 98188 Second Commitment OCT 09 2017 Community Development First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitm( Page 2 of 10 COMMITMENT FOR TITLE INSURANCE Issued by FIRST AMERICAN TITLE INSURANCE COMPANY Agreement to Issue Policy We agree to issue a policy to you according to the terms of this Commitment. When we show the policy amount and your name as the proposed insured in Schedule A, this Commitment becomes effective as of the Commitment Date shown in Schedule A. If the Requirements shown in this Commitment have not been met within six months after the Commitment Date, our obligation under this Commitment will end. Also, our obligation under this Commitment will end when the Policy is issued and then our obligation to you will be under the Policy. Our obligation under this Commitment is limited by the following: The Provisions in Schedule A. The Requirements in Schedule B-I. The General Exceptions and Exceptions in Schedule B-II. The Conditions. This Commitment is not valid without Schedule A and Section I and II of Schedule B. First American Title Insurance Company Pat Fullerton, Title Officer First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitment Page 3 of 10 SCHEDULE A 1. Commitment Date: October 21, 2016 at 7:30 A.M. 2. Policy or Policies to be issued: AMOUNT PREMIUM TAX Homeowner's Rate Eagle Owner's Policy $ To Follow $ To Follow $ To Follow Proposed Insured: To Follow Simultaneous Issue Rate ALTA Extended Loan Policy Proposed Insured: To Follow To Follow $ To Follow $ To Follow 3. (A) The estate or interest in the land described in this Commitment is: Fee Simple (B) Title to said estate or interest at the date hereof is vested in: CLIFTON R. HARPER, AS HIS SOLE AND SEPARATE PROPERTY 4. The land referred to in this Commitment is described as follows: Real property in the County of King, State of Washington, described as follows: The land referred to in this report is described in Exhibit A attached hereto. First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitm( Page 4 of 10 SCHEDULE B SECTION I REQUIREMENTS The following requirements must be met: (A) Pay the agreed amounts for the interest in the land and/or the mortgage to be insured. (B) Pay us the premiums, fees and charges for the policy. (C) Documents satisfactory to us creating the interest in the land and/or the mortgage to be insured must be signed, delivered and recorded: (D) You must tell us in writing the name of anyone not referred to in this Commitment who will get an interest in the land or who will make a loan on the land. We may then make additional requirements or exceptions. (E) Releases(s) or Reconveyance(s) of Item(s): (F) Other: (G) You must give us the following information: 1. Any off record leases, surveys, etc. 2. Statement(s) of Identity, all parties. 3. Other: SCHEDULE B SECTION II GENERAL EXCEPTIONS PART ONE: A. Taxes or assessments which are not shown as existing liens by the records of any taxing authority that levies taxes or assessments on real property or by the public records. B. Any facts, rights, interests, or claims which are not shown by the public records but which could be ascertained by an inspection of said land or by making inquiry of persons in possession thereof. C. Easements, claims of easement or encumbrances which are not shown by the public records. D. Discrepancies, conflicts in boundary lines, shortage in area, encroachments, or any other facts which a correct survey would disclose, and which are not shown by the public records. E. (A) Unpatented mining claims; (B) Reservations or exceptions in patents or in Acts authorizing the issuance thereof; (C) Water rights, claims or title to water; whether or not the matters excepted under (A), (B) or (C) are shown by the public records; (D) Indian Tribal Codes or Regulations, Indian Treaty or Aboriginal Rights, including easements or equitable servitudes. F. Any lien, or right to a lien, for services, labor or materials or medical assistance heretofore or hereafter furnished, imposed by law and not shown by the public records. G. Any service, installation, connection, maintenance, construction, tap or reimbursement charges/costs for sewer, water, garbage or electricity. H. Defects, liens, encumbrances, adverse claims or other matters, if any, created, first appearing in the public records or attaching subsequent to the effective date hereof, but prior to the date the proposed insured acquires of record for value the escrow or interest or mortgage(s) thereon covered by this Commitment. First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitment Page 5 of 10 SCHEDULE B SECTION II EXCEPTIONS PART TWO: Any policy we issue will have the following exceptions unless they are taken care of to our satisfaction. The printed exceptions and exclusions from the coverage of the policy or policies are available from the office which issued this Commitment. Copies of the policy forms should be read. 1. Lien of the Real Estate Excise Sales Tax and Surcharge upon any sale of said premises, if unpaid. As of the date herein, the excise tax rate for the City of Tukwila is at 1.78%. Levy/Area Code: 2326 2. General Taxes for the year 2016. The first half becomes delinquent after April 30th. The second half becomes delinquent after October 31st. Tax Account No.: Amount Billed: Amount Paid: Amount Due: Assessed Land Value: Assessed Improvement Value: Amount Billed: Amount Paid: Amount Due: Assessed Land Value: Assessed Improvement Value: 537980000906 1st Half 1,583.95 1,583.95 0.00 103,000.00 145,000.00 2nd Half $ 1,583.94 $ 0.00 $ 1,583.94 $ 103,000.00 $ 145,000.00 3. Facility Charges, if any, including but not limited to hook-up, or connection charges and latecomer charges for sewer, water and public facilities of Highline Water District as disclosed by instrument recorded under recording no. 20140106000375. 4. Deed of Trust and the terms Grantor/Trustor: Grantee/Beneficiary: Trustee: Amount: Recorded: Recording Information: and conditions thereof. Clifton R. Harper, as his separate estate Mortgage Electronic Registration Systems, Inc., "MERS" Solely As Nominee For Sierra Pacific Mortgage Company, Inc., Its Successors And Assigns Ticor Title Co $197,000.00 June 28, 2006 20060628001453 The beneficial interest was assigned by successive assignments, the last of which was; Recorded: November 13, 2015 Recording information: 20151113001460 To: Ventures Trust 2013-I-H-R by MCM Capital Partners, LLC its trustee. A document recorded November 30, 2015 as 20151130001039 OF OFFICIAL RECORDS provides that Benjamin D. Petiprin, C/O Law Offices of Les Zieve was substituted as trustee under the deed of trust. First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitmc Page 6 of 10 A notice of trustee's sale recorded July 06, 2016 as 20160706002191 OF OFFICIAL RECORDS. 5. Lien for Storm and Surface Water Charges in favor of City of Tukwila Against: Clifton R Harper Amount: $250.76 Recorded: January 16, 2013 Recording Information: 20130116002464 6. Lien for Water Connection Charges and/or Rates and Charges in favor of Highline Water District Against: Clifton R Harper Amount: $347.86 Recorded: February 06, 2013 Recording Information: 20130206001516 7. The land described in this commitment appears to be residential in nature and may be subject to the provisions of R.C.W. 6.13.010, et seq. (Homestead Statute) if the land is occupied as a primary residence. If the land is occupied as a primary residence, R.C.W. 6.13.060 requires that all documents conveying or encumbering the land must be executed by each spouse or domestic partner, individually. Alternatively, the Company will accept a deed identifying the non -vested spouse occupying the property as the grantor and the vested spouse as the grantee. In the event that the Company receives documents to insure that are not executed as required, the Company may be unable to record or to insure the transaction. Please contact your Title Officer if you have any questions. 8. Right to enter said premises to make repairs and the right to cut brush and trees which constitute a menace or danger to the electric transmission line located in the street or road adjoining said premises as granted by instrument recorded under Recording Number 2642542. 9. Right to make necessary slopes for cuts or fills upon said premises, as granted by Deed. Recording Information: 3464728 Granted To: King County 10. Easement, including terms and provisions contained therein: Recording Information: 20020604000488 In Favor of: Val Vue Sewer District, King County, Washington, a Municipal Corporation For: Right-of-way, over, across, along, through, and under First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitment Page 7 of 10 INFORMATIONAL NOTES A. Potential charges, for the King County Sewage Treatment Capacity Charge, as authorized under RCW 35.58 and King County Code 28.84.050. Said charges could apply for any property that connected to the King County Sewer Service area on or after February 1, 1990. Note: Properties located in Snohomish County may be subject to the King County Sewage Treatment Capacity Charges. B. Effective January 1, 1997, and pursuant to amendment of Washington State Statutes relating to standardization of recorded documents, certain format and content requirements must be met (refer to RCW 65.04.045). Failure to comply may result in rejection of the document by the recorder or additional fees being charged, subject to the Auditor's discretion. C. Any sketch attached hereto is done so as a courtesy only and is not part of any title commitment or policy. It is furnished solely for the purpose of assisting in locating the premises and First American expressly disclaims any liability which may result from reliance made upon it. D. The description can be abbreviated as suggested below if necessary to meet standardization requirements. The full text of the description must appear in the document(s) to be insured. PTN SEC 27 TWP 23N RGE 4E, KING COUNTY APN: 537980000906 E. All matters regarding extended coverage have been cleared for mortgagee's policy. The coverage contemplated by this paragraph will not be afforded in any forthcoming owner's standard coverage policy to be issued. F. The following deeds affecting the property herein described have been recorded within 36 months of the effective date of this commitment: NONE Property Address: 16032 42nd Avenue S, Tukwila, WA 98188 NOTE: The forthcoming Mortgagee's Policy will be the ALTA 2006 Policy unless otherwise noted on Schedule A herein. NOTE: We find no judgments or Federal tax liens against the vestee herein, unless otherwise shown as a numbered exception above. NOTE: A FEE MAY BE CHARGED UPON THE CANCELLATION OF THIS COMMITMENT PURSUANT TO WASHINGTON STATE INSURANCE CODE AND THE FILED RATE SCHEDULE OF THIS COMPANY. FirstAmerican Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitme Page 8 of 10 CONDITIONS 1. DEFINITIONS (a)"Morltgage" means mortgage, deed of trust or other security instrument. (b)"Public Records" means title records that give constructive notice of matters affecting the title according to the state Ilaw where the land is located. 2. LATIER DEFECTS The Exceptions in Schedule B - Section II may be amended to show any defects, liens or encumbrances that appear for the first time in the public records or are created or attached between the Commitment Date and the date on which all of the Requirements (a) and (c) of Schedule B - Section I are met. We shall have no liability to you because of this amendment. 3. EXISTING DEFECTS If any defects, liens or encumbrances existing at Commitment Date are not shown in Schedule B, we may amend Schedule B to show them. If we do amend Schedule B to show these defects, liens or encumbrances, we shall be liable to you according to Paragraph 4 below unless you knew of this information and did not tell us about it in writing. 4. LIMITATION OF OUR LIABILITY Our only obligation is to issue to you the Policy referred to in this Commitment, when you have met its Requirements. If we have any liability to you for any loss you incur because of an error in this Commitment, our liability will be limited to your actual loss caused by your relying on this Commitment when you acted in good faith to: comply with the Requirements shown in Schedule B - Section I or eliminate with our written consent any Exceptions shown in Schedule B - Section II. We shall not be liable for more than the Policy Amount shown in Schedule A of this Commitment and our liability is subject to the terms of the Policy form to be issued to you. 5. CLAIMS MUST BE BASED ON THIS COMMITMENT Any claim, whether or not based on negligence, which you may have against us concerning the title to the land must be based on this commitment and is subject to its terms. cc: cc: Clifton R Harper First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitment Page 9 of 10 FirstAmerican Iss&44 Privacy Information We Are Committed to Safeguarding Customer Information In order to better serve your needs now and in the future, we may ask you to provide us with certain information. We understand that you may be concerned about what we will do with such information - particularly any personal or financial information. We agree that you have a right to know how we will utilize the personal information you provide to us. Therefore, together with our subsidiaries we have adopted this Privacy Policy to govem the use and handling of your personal information. First American Title Insurance Company 818 Stewart St, Ste 800 Seattle, WA 98101 Phn - (206)728-0400 (800)826-7718 Fax - First American Title Applicability This Privacy Policy governs our use of the information that you provide to us. It does not govern the manner in which we may use information we have obtained from any other source, such as information obtained from a public record or from another person or entity. First American has also adopted broader guidelines that govern our use of personal information regardless of its source. First American calls these guidelines its Fair Information Values. Types of Information Depending upon which of our services you are utilizing, the types of nonpublic personal information that we may collect include: • Information we receive from you on applications, forms and in other communications to us, whether in writing, in person, by telephone or any other means; • Information about your transactions with us, our affiliated companies, or others; and • Information we receive from a consumer reporting agency. Use of Information We request information from you for our own legitimate business purposes and not for the benefit of any nonaffiliated party. Therefore, we will not release your information to nonaffiliated parties except: (1) as necessary for us to provide the product or service you have requested of us; or (2) as permitted by law. We may, however, store such information indefinitely, including the period after which any customer relationship has ceased. Such information may be used for any intemal purpose, such as quality control efforts or customer analysis. We may also provide all of the types of nonpublic personal information listed above to one or more of our affiliated companies. Such affiliated companies include financial service providers, such as title insurers, property and casualty insurers, and trust and investment advisory companies, or companies involved in real estate services, such as appraisal companies, home warranty companies and escrow companies. Furthermore, we may also provide all the information we collect, as described above, to companies that perform marketing services on our behalf, on behalf of our affiliated companies or to other financial institutions with whom we or our affiliated companies have joint marketing agreements. Former Customers Even if you are no longer our customer, our Privacy Policy will continue to apply to you. Confidentiality and Security We will use our best efforts to ensure that no unauthorized parties have access to any of your information. We restrict access to nonpublic personal information about you to those individuals and entities who need to know that information to provide products or services to you. We will use our best efforts to train and oversee our employees and agents to ensure that your information will be handled responsibly and in accordance with this Privacy Policy and First American's Fair Information Values. We currently maintain physical, electronic, and procedural safeguards that comply with federal regulations to guard your nonpublic personal information. Information Obtained Through Our Web Site First American Financial Corporation is sensitive to privacy issues on the Internet. We believe it is important you know how we treat the information about you we receive on the Internet. In general, you can visit First American or its affiliates' Web sites on the World Wide Web without telling us who you are or revealing any information about yourself. Our Web servers collect the domain names, not the e-mail addresses, of visitors. This information is aggregated to measure the number of visits, average time spent on the site, pages viewed and similar information. First American uses this information to measure the use of our site and to develop ideas to improve the content of our site. There are times, however, when we may need information from you, such as your name and email address. When information is needed, we will use our best efforts to let you know at the time of collection how we will use the personal information. Usually, the personal information we collect is used only by us to respond to your inquiry, process an order or allow you to access specific account/profile information. If you choose to share any personal information with us, we will only use it in accordance with the policies outlined above. Business Relationships First American Financial Corporation's site and its affiliates' sites may contain links to other Web sites. While we try to link only to sites that share our high standards and respect for privacy, we are not responsible for the content or the privacy practices employed by other sites. Cookies Some of First American's Web sites may make use of "cookie" technology to measure site activity and to customize information to your personal tastes. A cookie is an element of data that a Web site can send to your browser, which may then store the cookie on your hard drive. FirstAm.com uses stored cookies. The goal of this technology is to better serve you when visiting our site, save you time when you are here and to provide you with a more meaningful and productive Web site experience. Fair Information Values Fairness We consider consumer expectations about their privacy in all our businesses. We only offer products and services that assure a favorable balance between consumer benefits and consumer privacy. Public Record We believe that an open public record creates significant value for society, enhances consumer choice and creates consumer opportunity. We actively support an open public record and emphasize its importance and contribution to our economy. Use We believe we should behave responsibly when we use information about a consumer in our business. We will obey the laws governing the collection, use and dissemination of data. Accuracy We will take reasonable steps to help assure the accuracy of the data we collect, use and disseminate. Where possible, we will take reasonable steps to correct inaccurate information. When, as with the public record, we cannot correct inaccurate information, we will take all reasonable steps to assist consumers in identifying the source of the erroneous data so that the consumer can secure the required corrections. Education We endeavor to educate the users of our products and services, our employees and others in our industry about the importance of consumer privacy. We will instruct our employees on our fair information values and on the responsible collection and use of data. We will encourage others in our industry to collect and use information in a responsible manner. Security We will maintain appropriate facilities and systems to protect against unauthorized access to and corruption of the data we maintain. Form 50-PRIVACY (9/1/10) Page 1 of 1 Privacy Information (2001-2010 First American Financial Corporation) First American Title Form No. 1068-2 Commitment No.: 4209-2728630 ALTA Plain Language Commitme Page 10 of 10 FIRSTAMERICAN TITLE INSURANCE COMPANY Exhibit "A" Vested Owner: CLIFTON R. HARPER, AS HIS SOLE AND SEPARATE PROPERTY Real property in the County of King, State of Washington, described as follows: BEGINNING AT A POINT ON THE NORTH LINE OF SECTION 27, TOWNSHIP 23 NORTH, RANGE 4 EAST, W.M., IN KING COUNTY, WASHINGTON, DISTANT NORTH 89°59'10" WEST 2456.10 FEET FROM THE NORTHEAST CORNER OF SAID SECTION 27; THENCE SOUTH 0°15'50" EAST 310.01 FEET TO POINT OF BEGINNING; THENCE CONTINUING SOUTH 0°15'50" EAST 66.66 FEET; THENCE NORTH 89°59'10" WEST 150 FEET; THENCE NORTH 0°15'50" WEST 66.66 FEET; THENCE SOUTH 89°59'10" EAST 150 FEET TO THE POINT OF BEGINNING; (ALSO KNOWN AS THE SOUTH 66.66 FEET OF THE NORTH 346.67 FEET OF LOT 1, BLOCK 5, MCMICKEN HEIGHTS DIVISION NUMBER 2, ACCORDING TO THE UNRECORDED PLAT THEREOF); SITUATE IN THE CITY OF TUKWILA, COUNTY OF KING, STATE OF WASHINGTON. Tax Parcel Number: 537980000906 Situs Address: 16032 42nd Avenue S, Tukwila, WA 98188 First American Title HIGHLINE WATER DISTRICT King County, Washington RESOLUTION NO. 16-10-19A A RESOLUTION OF THE BOARD OF COMMISSIONERS OF HIGHLINE WATER DISTRICT, KING COUNTY, WASHINGTON, AUTHORIZING AND APPROVING THE ACQUISITION BY NEGOTIATION OR CONDEMNATION OF CERTAIN REAL PROPERTY FOR USE BY THE DISTRICT RELATING TO THE CONSTRUCTION OF A NEW BOOSTER PUMP STATION AND APPURTENANCES. WHEREAS, Highline Water District ("District") is a special purpose municipal corporation authorized and existing under the laws of the State of Washington, Title 57 RCW, and is authorized by taw to provide water utility service to areas located within its water service area; and WHEREAS, the District Board of Commissioners has previously authorized and approved the District's Comprehensive Water Plan ("Cornprehensive Plan"); and WHEREAS, the District's Cornprehensive Plan contemplates the need for the construction of a new booster pump station and appurtenances in order to improve emergency supply reliability for the District's 560 pressure zone, which new booster pump station is referred to as Pump Station No. 8; and WHEREAS, construction of Pump Station No. 8 and appurtenances will allow the District's largest storage reservoir (Crestview Reservoir) to provide water to customers in the 560 pressure zone in the event the existing Pump Station No. 6 becomes inoperable; and WHEREAS, District staff and consultants have reviewed and analyzed various alternative locations for the construction of Pump Station No. 8 and have recommended that the District acquire certain real property being identified as King County Tax Lot No. 537980-0009 located at 16032 42nd Ave. S., Tukwila, Washington (the "Real Property"); and WHEREAS, the Real Property to be acquired by the District is legally described in Exhibit A and depicted in Exhibit B, which Exhibits are attached hereto and incorporated herein by this reference; and WHEREAS, in order to construct Pump Station No. 8 and appurtenances, it is necessary for the District to acquire, condemn, appropriate and take the Real Property; and WHEREAS, the District is authorized by Chapter 57.08 RCW to institute eminent domain proceedings under Chapter 8.:12 RCW; and WHEREAS, District staff and consultants have requested that 'the Board of Commissioners authorize District staff, legal counsel and appraisers to proceed with the acquisition of the required and necessary Real Property by negotiation and/or eminent domain proceedings as deemed appropriate, subject to the District paying the owner(s) of the. Real Property just compensation for such taking. 16-10-19A AcquisitionOfPropertyByCondemnation.docx Page l of 2 ,ter.•. ..Yt VED OCT 092017 Community Development HIGHLINE WATER DISTRICT King County, Washington RESOLUTION NO. 16-10-19A NOW, THEREFORE, BE IT RESOLVED, by the Board of Commissioners of Highline Water District, King County, Washington, as follows: 1. Recitals Incorporated. The recitals set forth above are hereby adopted as if set forth in full herein. 2. Public Use and Necessity of Real Property. The Real Property described in this Resolution is needed for a public use and is necessary for the construction of Pump Station No. 8 and appurtenances, and such Real Property is being condemned, appropriated and taken for public purposes, subject to the making or paying of just compensation to the owner(s) thereof in the manner provided by law. 3. Acquisition of Real Property. District staff, District legal counsel, and appraisers are authorized to enter into any and all negotiations and agreements necessary to acquire the Real Property as legally described and depicted on Exhibits A and B, provided that if such negotiations fait to acquire the Real Property in a timely manner, as determined by the District General Manager, District legal counsel is authorized to file and prosecute proceedings provided by law to condemn, appropriate and take the Real Property through an action in eminent domain and to carry out the provisions of this Resolution. ADOPTED BY THE BOARD OF COMMISSIONERS of Highline Water District at a regular open public meeting held on the 19th day of October 2016. ARD OF COMMISSIONERS Daniel Joh n, Commissioner Kathleen Quong-Vermeire, Commissioner T tz, Secretary George „' don, Com issioner 16-10-19A_Acqu isitionOfPropertyByCondemnation.docx Page 2of2 EXHIBIT A LEGAL DESCRIPTION Real property in the County of King, State of Washington, described as follows: BEGINNING AT A POINT ON THE NORTH LINE OF SECTION 27, TOWNSHIP 23 NORTH, RANGE 4 EAST, W.M., IN KING COUNTY, WASHINGTON, DISTANT NORTH 89°59'10" WEST 2456.10 FEET FROM THE NORTHEAST CORNER OF SAID SECTION 27; THENCE SOUTH 0°15'50" EAST.310.01 FEET TO POINT OF BEGINNING; THENCE CONTINUING SOUTH 0°15'50" EAST 66.66 FEET; THENCE NORTH 89°59'10" WEST 150 FEET; THENCE NORTH 0°15'50" WEST 66.66 FEET; THENCE SOUTH 89°59'10" EAST 150 FEET TO THE POINT OF BEGINNING; (ALSO KNOWN AS THE SOUTH 66.66 FEET OF THE NORTH 346.67 FEET OF LOT 1, BLOCK 5, MCMICKEN HEIGHTS DIVISION NUMBER 2, ACCORDING TO THE UNRECORDED PLAT THEREOF); SITUATE IN THE CITY OF TUKWILA, COUNTY OF KING, STATE OF WASHINGTON. Tax Parcel Number: 537980000906 Situs Address: 16032 42nd Avenue S, Tukwila, WA 98188 Exhibit-A_Legal Description_Harper_Property(Res16-10-19A).docx .irt..Q 0 758 "ni 0705 EXHIBIT B DEPICTION OF REAL PROPERTY 14 000 li 0706 511i, J Yt O e875ti Uw 0704 7C00t7 0709 17500 '*.i 0703 1000il 0700 22500d 0715 Lot 3 r = a t lot 1S2 2 �12011�0006 °n y1:l7t 1400t9 11•11 0718 0723 A<c./a tfit e»1 jx 225COA 0712 0006 :In Ma 10350lt nlr 0001 0 W ':;;';" 100508u 0007 10 NO M)) a0os01 0002 1 s''eft 10050t1 Aar. 0009 u+ nrn� m 16s0o1 0021 irwa ofs24 240.854 0020 150 0 100s0o 0303 1o0scs 0004 0 • 0 •liar.. 106508 0005 0 2 0 M Exhibit-B_DepictionOfRealProperty(Res16-10-19A).docx Certificate !, Todd Fultz, Secretary of the Board of Commissioners of Highline Water District, King County, Washington, do hereby certify that the foregoing resolution is a true and correct copy of Resolution No. 16-10-19A of such Board, duty adopted at a regular meeting thereof held on the 19th day of October, 2016, signed by the members of such Board in attendance at such meeting and attested by myself in authentication of such adoption. Toed fu Secretary Board of Commissioners Highline Water District King County, Washington Certificate(Reso[ution 16-10-19A).docx CITY OF TUKWILA Permit Center, -,ding Division: Community Development Department 206-431-3670 Permit Center Public Works Department: 6300 Southcenter Blvd., Suite 100 206-433-0179 Tukwila, WA 98188 Planning Division: 206-431-3670 CERTIFICATE OF WATER AVAILABILITY Required only if outside of City of Tukwila Water District PERMIT NO.: IPart A: To be completed by applicant Site Address: 16032 42ND Ave S (honer Information: (attach map and legal description showing hydrant location and size of main):. Agent/Contact Person:: Owner Name: Highline Water District Agent/Contact: Jeremy DelMar, P,E., District Engineer Owner Address: 23828 30th Ave S., Kent, WA 98032 Agent Address: 23828 30th Ave S., Kent, WA 98032 Owner Phone: 206-824-0375 Contact Phone: 206-592-8904 This certificate is for the purposes of: New Pump Station ❑ BUILDING PERMIT © COMMERCIAL INDUSTRIAL ❑ REZONE ❑ PRELIMINARY PLAT ❑ SHORT SUBDIVISION ❑ OTHER Estimated number of service connection and water meter size(s): Additional meters & sizes to be determined. Vehicular distance from nearest hydrant to the closest point of structure is 10'+/- to property. See attached map for hydrant -location. Area is served by (Water Utility District:) HIGHLINE WATER DISTRICT Owner/Agent Signature !PART B: To Be completed by water utility district 1. The proposed project is within TUKWILA /King 2. © No improvements required. 3. Date (City/County) The improvements required to upgrade the water system to bring it into compliance with the utilities' comprehensive plan or to meet the minimum flow requirements of the project before connection and to meet the State cross connection control requirements: Project requires engineered plans inelading fire marshal stamped approval. 4. Based upon the improvements listed above, water can be provided will be available at the site with a flow of 1500 gpm at 20 psi residual for a duration of 2 hours at a velocity of 10 fps as documented by the attached calculations. Customer recognizes that the water pressure/fire flow information provided pursuant to this request is general in nature and may not be accurate for any specific location at any specific time. Customer remains solely responsible for determining the specific water pressure/flow information available for Customer's intended use. The general information provided by the District is not intended for and should not be relied upon to design a water system or fire supression system for a specific location. Customer is responsible to field verify the specific water pressure and fire flow at Customer's specific location for Customer's specific needs. Water Availability: Acceptable service can be provided to this project Acceptable service cannot be provided to this project unless the improvements in item B-3 are met. El System is not capable of providing service to this project R CE(VED OCT 09 2011 Community mnt Develop I hereby certify that the above information is true . j correed on the best available information. HIGHLINE WATER DISTRICT / 206-824-0375 Agency/Phone TE'+ DELMAR DI ' ' ENGINEER Date Test Report Print Title for PS8 16032 42nd Ave S ID Static Demand (gpm) Static Pressure (psl) Static Head (ft) Fire -Flow Demand (gpm) Residual Pressure (psi) Available Flow at Hydrant (gpm) Available Flow Pressure (psi) 1 J962 0.92 59.21 591.64 1,500.00 37.22 2,064.74 20.00 Date: Monday, October 02, 2017, Time: 14:28:41, Page 1 form 2016_04_01_HWD_Model WSP Updated new node for H3132 at elev 455 TH ATTACHMENT r 12"AC 1� ONTRACD 46-1, p. 1 /16 44,3 503,1 3 O ZONE VALVE 16017 16023 16035 3JB09E030_00 52 4068 7179 64904257= — S.16I 16061 16043 LOT 1 PL. 16205 1:100 42ND AVE S. 24" DI KCC ORD. V1-543 1 N • NI V4646 SHUTOFF 18 SD V464; 'I. 16012 v465 16018 s 16026 ,- Future BPS' 8f Site . ,;e,, f71,60,32 .Site. •.1 16036 :.0 cp 16042 16050 } V17 •L6 O l�'RACJ: 2 V4649 00000t TU SP 201407 EMERGENCY SHUTOFF N et AREA 27,773 SQ. FT. 6"AC_�� J cOOORDED: SEE SO SEAT-LE/'WATER Cd<. ti1fES7a�n( F '<C v4B97 v490'i-" C 13�16 2LA L,SAY.c 14 610N-F in3 +" 2 31 zLOT iJ;5 14•--0028 0 LI ai 900001 a/ 24' ACCESS/LIMY ESMT. TU SP #L12-0►4 _OT 4 i_OT 3 LO r 2 201404229C0002 50 50.07 0) N) N) '50 RESERVOIR ntract. 96-3 H2133 0 z CID z19. 16200 Water Availability Site Map Parcel 53798000009 16032 42nd Ave S 1ory►7 4245 4249 1A N 961 Legend Hydrants Water meters H Valves 600 Zone Water Main 16032 42ND AVE S, 98188 Shownxore remits I's ..\ \-... 1 ZOOM tO ,.. . ..I. s . .,..,r I i i i i f / 1 r ,...1 Atfli i 4068 r j : 4—, , 1 ifib LI 66043 "i, 1r6042 . , 16042 I I i t..•........- . t i ...., 1 /./ I i • • "1 i 6-. , , , t i • N ' 16050 li?/ I I - 6 Y 1 ..," 162051 i I. • il ---..—.*-- ..... ,..,....,4__....,....744 t----,....../ ..". ....... •,..,or SeW \1/4., I _1 ....... N 1 .,•+••••••••••............../17......... 1 ....,.' 't fr FZI 465'1 \ ' '. , -"r .-----‘ - —i6012 IP' f • \ ; \‘‘,. XI , 1°;114$3.".;4 gL16017'........I \ , ,s, 1 :k .14 4,..-"40.....3....1.—,/°...."......,f1t...il ..e..,'_.'_.'_.. 4::!,>• . ,,, , 4. \s. ...... 4,)-„ __,L . 1\ maw., r 4 1....4.c... 44 5.4' 40 4 /41 al 6035 • t I ... VP • I 0,6211 \ \isziz *1::' 1. I K.C. Elevation data for 16032 42nd Ave S Water Availability 10-2-17 111,11. • ..\. driz'etview Park`-,,,„ Tukwile- Crestvie% Park - • ( „Tukwila CITY OF T UKWILA Department of Community Development 6300 Southcenter Boulevar4 Tukwila, WA 98188 Telephone: (206) 431-3670 AFFIDAVIT OF OWNERSHIP AND HOLD HARMLESS PERMISSION TO ENTER PROPERTY STATE OF WASHINGTON SS COUNTY OF KING 11kr-e.--D t S f ,2-t c- The u_n rsigned'Ming duly sworn and upon oath states as follows: 1. Iam the current owner of the property which is the subject of this application. 2. All statements contained in the applications have been prepared by me or my agents and are true and correct to the best of my knowledge. 3. The application is being submitted with my knowledge and consent. 4. Owner grants the City, its employees, agents, engineers, contractors or other representatives the right to enter upon Owner's real property, located at l ioO32- si / Ji S for the purpose of application review, for the limited time necessary to complete that purpose. 5. Owner agrees to hold the City harmless for any loss or damage to persons or property occurring on the private property during the City's entry upon the property, unless the loss or damage is the result of the sole negligence of the City. 6. Non -responsiveness to a City information request for ninety (90) or more days, shall be cause to cancel the application(s) without refund of fees. EXECUTED at KAAA+ (city), WA (state), on 0.+ohev 5 , 20 17 Mom' Eve reik (Print Name) 23829 3ott, Avg. 5_, k. i-, WA }go32- (Address) 2.06 - 592- esoz. (Phone Number) 1/1244"- (Signature) On this day personally appeared before me I V `a* £V e. Ire to me known to be the individual who executed the foregoing instrument and acknowledged tha she signed the same as &her voluntary act and deed for the uses and purposes mentioned therein. `�\\\ltlti SUBSCRIBEiMati, BEFORE ME ON THIS 5-1/1 DAY OF CDC_ 1)}9,P,Y , 20 I 1 tAk_e„,- a -,2_,N, 0, z.- i `'- ." A. e NOTARY PPUBEiC in and for the S to of Washington ... N N i 1. ....•" s residing at � t 4e1, e CO u vet. i-A Lgyv' f,2.. My Commission expires on 7 --2-9 Z ( OCT 0 9 2011 Community Development : WASk \ \ deptstore\ City Common\ Teri\ Revisions Ir.. Progress\ Unclassified Use Pamihian2011doac CITY OP TUKWILA Department of Community Development 6300 Southcenter Boulevard, Tukwila, WA 98188 Telephone: (206) 431-3670 DESIGN REVIEW - PUBLIC HEARING APPLICATION FOR STAFF USE ONLY Permits Plus Type: P-DR Planner: Tom pvl i e ' viL, File Number: �l 1_ CCc_0(.0 Application Complete Date: )1 J i r ZO i,1 i Project File Number: -'l + l/� 0RO `1 ` Application Incomplete Date: Other File Numbers: * This application requires public notification. Please refer to section 8 of application checklist .°7CEIVED OCT 092011 NAME OF PROJECT/DEVELOPMENT: Pump Station No. 8 Community BRIEF DESCRIPTION OPP it .r 1 T: Construct a 1,300 sf water pump station and related improvements. LOCATION OF PROJECT/DEVELOPMENT: Give street address or, if vacant, indicate lot(s), block and subdivision, access street, and nearest intersection. ` 16032 42nd Avenue S M"° j R � LIST ALL TAX LOT NUMBERS (this in7 rmai ,Enha be found on your tax statement). 537980-0009 and Public Righ -o (C W) DEVELOPMENT COORDINOuRvent The individual who: • has decision making authority on behalf of the owner/applicant in meetings with City staff, • has full responsibility for identifying and satisfying all relevant and sometimes overlapping development standards, and • is the primary contact with the City to whom all notices and reports will be sent. Name: Alicia Pettibone Address: 22722 29th Drive, $VED Phone: (425) 951-5436 Cj 0 9 2011 GcmrnunitY Signature: _ aiii;iylays,11Io ment E-mail: apettibone@rh2.co FAX: (425) 951-5401 Date: October 5, 2017 \ \ citystore\ City Common\ Teri - DCD\ Kirby\ 2016 Applications\ Design Review -Public H eari ng-M arch 2016.docx DESIGN REVIEW CRITERIA The specific design criteria used to evaluate each project differs based on the type of project and its location. Please discuss project consistency with the applicable set of design criteria. The applicant bears responsibility for demonstrating that the proposed development plans satisfy all of the review criteria. The four sets of Board of Architectural Review (BAR) criteria and references to illustrate implementing design guidelines are presented below. Please consult with Planning Division staff to clarify which set of criteria should be used. Comprehensive Plan policies provide additional illustrative design guidance. The complete Comprehensive Plan policies are provided in the Tukwila Comprehensive Land Use Plan. Written responses to all criteria are required for a complete application. CRITERIA FOR DEVELOPMENT IN THE TUKWILA URBAN CENTER (TUC) DISTRICTS (TM C 18.28.030.D ). 1. Applies to all developments in the Regional Center (TUC -RC), Transit Oriented Development Neighborhood (TUC-TOD), Pond (TUC-P), or Commercial Corridor (TUC -CC) Districts, and development containing residential uses in the Workplace (TUC-WP) District: The applicable regulations in TMC 18.28 and the Southcenter Design Manual. 2. Applies to non-residential Development in the Workplace (TUC-WP) District: The applicable regulations in TMC 18.28 and the design criteria in TMC 18.60.050. CRITERIA FOR COMMERCIAL AND LIGHT INDUSTRIAL DEVELOPMENTS (TMC 18.60.050(A)). Applies to all projects requiring design review except: multifamily, hotel and motel developments and developments in the Tukwila International Boulevard corridor (see TMC 18.60.060(C)) and development in Tukwila Urban Center (See TMC 18.28 and Southcenter Design Manual). Projects located within 200' of Green/Duwamish River must meet additional criteria in the Shoreline Substantial Development Permit Application. 1. Relationship of Structure to Site a. The site should be planned to accomplish a desirable transition with the streetscape and to provide for adequate landscaping and pedestrian movement. b. Parking and service areas should be located, designed and screened to moderate the visual impact of large paved areas. c. The height and scale of each building should be considered in relation to its site. 2. Relationship of Structure and Site to Adjoining Area a. Harmony in texture, line and masses is encouraged. b. Appropriate landscape transition to adjoining properties should be provided. c. Public buildings and structures should be consistent with the established neighborhood character. d. Compatibility of vehicular and pedestrian circulation patterns and loading facilities in terms of safety, efficiency and convenience should be encouraged. e. Compatibility of on -site vehicular circulation with street circulation should be encouraged. 3. Landscape and Site Treatment a. Where existing topographic patterns contribute to beauty and utility of a development, they should be recognized, preserved and enhanced. b. Grades of walks, parking spaces, terraces and other paved areas should promote safety and provide an inviting and stable appearance. c. Landscape treatment should enhance architectural features, strengthen vistas and important axis, and provide shade. d. In locations where plants will be susceptible to injury by pedestrian or motor traffic, mitigating steps should be taken. e. Where building sites limit planting, the placement of trees or shrubs in paved areas is encouraged. f. Screening of service yards and other places, which tend to be unsightly should be accomplished by the use of walls, fencing, planting or combinations of these. Screening should be effective in winter and summer. \\citystore\City Common\Teri - DCD\Kirby\2016 Applications\Design Review -Public Hearing -March 2016.docx g. hi areas where general planting .11 not prosper, other materials such as fen. , walls, and paving of wood, brick, stone or gravel may be used. h. Exterior lighting, when used, should enhance the building design and the adjoining landscape. Lighting standards and fixtures should be of a design and size compatible with the building and adjacent area. Lighting should be shielded, and restrained in design. Excessive brightness and brilliant colors should be avoided. 4. Building Design a. Architectural style is not restricted, evaluation of a project should be based on quality of design and relationship to surroundings. b. Buildings should be to appropriate scale and be in harmony with permanent neighboring developments. c. Building components, such as windows, doors, eaves, and parapets, should have good proportions and relationship to one another. Building components and ancillary parts shall be consistent with anticipated life of the structure. d. Colors should be harmonious, with bright or brilliant colors used only for accent. e. Mechanical equipment or other utility hardware on roof, ground or buildings should be screened from view. f. Exterior lighting should be part of the architectural concept. Fixtures, standards and all exposed accessories should be harmonious with building design. g. Monotony of design in single or multiple building projects should be avoided. Variety of detail, form and fitting should be used to provide visual interest. 5. Miscellaneous Structures and Street Furniture a. Miscellaneous structures and street furniture should be designed to be part of the architectural concept of design and landscape. Materials should be compatible with buildings, scale should be appropriate, colors should be in harmony with buildings and surroundings, and proportions should be to scale. b. Lighting in connection with miscellaneous structures and street furniture should meet the guidelines applicable to site, landscape and buildings. Consistency with adopted plans and regulations (TMC 18.100.030) . 6. Demonstrate the manner in which the proposal is consistent with, carries out and helps implement applicable state laws and the regulations, policies, objectives and goals of the City of Tukwila Comprehensive Plan, the City of Tukwila' s Development Regulations and other official laws, policies and objectives of the City of Tukwila. CRITERIA FOR MULTI -FAMILY, HOTEL AND MOTEL DEVELOPMENTS (TMC 18.60.050(B)): Applies to all multi -family, hotel and motel projects except for projects in the Tukwila International Boulevard corridor (see TMC 18.60.060(C)) and projects in Tukwila Urban Center (See TMC 18.28 and Southcenter Design Manual). 1. Site Planning a. Building siting, architecture, and landscaping shall be integrated into and blend harmoniously with the neighborhood building scale, natural environment, and development characteristics as envisioned in the Comprehensive Plan. For instance, a multi -family development's design need not be harmoniously integrated with adjacent single family structures if that existing single family use is designated as "Commercial" or "High Density Residential" in the Comprehensive Plan. However, a "Low Density Residential" (detached single family) designation would require such harmonious design integration. b. Natural features which contribute to desirable neighborhood character shall be preserved to the maximum extent possible. Natural features include, but are not limited to, existing significant trees and stands of trees, wetlands, streams, and significant topographic features. c. The site plan shall use landscaping and building shapes to form an aesthetically pleasing and pedestrian scale streetscape. This shall include, but not be limited to facilitating pedestrian travel along the street, using architecture and landscaping to provide a desirable transition from streetscape to the building, and providing an integrated linkage from pedestrian and vehicular facilities to building entries. d. Pedestrian and vehicular entries shall provide a high quality visual focus using building siting, shapes, and landscaping. Such a feature establishes a physical transition between the project and public areas, and establishes the initial sense of high quality development. e. Vehicular circulation design shall minimize driveway intersections with the street. \\citystore\City Common\Teri - DCD\Kirby\2016 Applications\Design Review -Public Hearing -March 2016.docx f. Site perimeter design (i..,. landscaping, structures, and horizontal wiuut) shall be coordinated with site development to ensure a harmonious transition between adjacent projects. Varying degrees of privacy for the individual residents shall be provided; increasing from the public right-of- way, to common areas, to individual residences. This can be accomplished through the use of symbolic and actual physical barriers to define the degrees of privacy appropriate to specific site area functions. h. Parking and service areas shall be located, designed, and screened to interrupt and reduce the visual impact of large paved areas. i. The height, bulk, footprint, and scale of each building shall be in harmony with its site and adjacent long-term structures. g. 2. Building Design a. Architectural style is not restricted, evaluation of a project shall be based on the quality of its design and its ability to harmonize building texture, shape, lines and mass with the surrounding neighborhood. Buildings shall be of appropriate height, scale, and design/shape to be in harmony with those existing permanent neighboring developments which are consistent with, or envisioned in, the Comprehensive Plan. This will be especially important for perimeter structures. Adjacent structures which are not in conformance with the Comprehensive Plan should be considered to be transitional. The degree of architectural harmony required should be consistent with the non -conforming structure's anticipated permanence. Building components, such as windows, doors, eaves, parapets, stairs and decks shall be integrated into the overall building design. Particular emphasis shall be given to harmonious proportions of these components with those of adjacent developments. Building components and ancillary parts shall be consistent with the anticipated life of the structure. The overall color scheme shall work to reduce building prominence and shall blend in with the natural environment. Monotony of design in single or multiple building projects shall be avoided. Variety of detail, form, and siting shall be used to provide visual interest. Otherwise monotonous flat walls and uniform vertical planes of individual buildings shall be broken up with building modulation, stairs, decks, railings, and focal entries. Multiple building developments shall use siting and additional architectural variety to avoid inappropriate repetition of building designs and appearance to surrounding properties. b. c. d. e. 3. Landscape and Site Treatment a. Existing natural topographic patterns and significant vegetation shall be reflected in project design when they contribute to the natural beauty of the area or are important to defining neighborhood identity or a sense of place. b. Landscape treatment shall enhance existing natural and architectural features, help separate public from private spaces, strengthen vistas and important views, provide shade to moderate the affects of large paved areas, and break up visual mass. c. Walkways, parking spaces, terraces, and other paved areas shall promote safety and provide an inviting and stable appearance. Direct pedestrian linkages to the public street, to on -site recreation areas, and to adjacent public recreation areas shall be provided. d. Appropriate landscape transition to adjoining properties shall be provided. 4. Miscellaneous Structures a. Miscellaneous structures shall be designed as an integral part of the architectural concept and landscape. Materials shall be compatible with buildings, scale shall be appropriate, colors shall be in harmony with buildings and surroundings, and structure proportions shall be to scale. b. Screening of service yards, and other places which tend to be unsightly, shall be accomplished by the use of walls, fencing, planting, berms, or combinations of these. Screening shall be effective in winter and summer. c. Mechanical equipment or other utility hardware on roof, ground or buildings shall be screened from view. Screening shall be designed as an integral part of the architecture (i.e., raised parapets and fully enclosed under roof) and landscaping. d. Exterior lighting standards and fixtures shall be of a design and size consistent with safety, building architecture and adjacent area. Lighting shall be shielded, and restrained in design with no off -site glare spill over. Excessive brightness and brilliant colors shall not be used unless clearly demonstrated to be integral to building architecture. \\citystore\City Common\Teri - DCD\Kirby\2016 Applications\Design Review -Public Hearing -March 2016.docx Consistency with adopted plans and regu. ins (TMC 18.100.030) 5. Demonstrate the manner in which the proposal is consistent with, carries out and helps implement applicable state laws and regulations and the regulations, policies, objectives and goals of the City of Tukwila Comprehensive Plan, the City of Tukwila's Development Regulations and other official laws, policies and objectives of the City of Tukwila. CRITERIA FOR BAR REVIEW OF DEVELOPMENTS IN THE TUKWILA INTERNATIONAL BOULEVARD CORRIDOR (TMC 18.60.030 and 18.60.060(C)). Applies to all developments in the Tukwila International Boulevard Corridor. 1. Site Design a. Site Design Concept • Organize site design elements to provide an orderly and easily understood arrangement of building, landscaping, and circulation elements that support the functions of the site. b. Relationship to Street Front • Organize site design elements to create a distinct street edge, and minimize parking between structures and street. • Orient at least one building entry to a major public street. c. Street Corners • Emphasize the importance of street corners through building location, the provision of pedestrian access, special site features and/or landscape features. d. Continuity of Site with Adjacent Sites • Maintain visual and functional continuity between the proposed development and adjacent and neighboring properties through setbacks, building massing, circulation and landscaping, where appropriate. e. Shared Facilities • Incorporate opportunities for joint development of sites where there is potential for common building walls, shared driveways, landscaping, or other shared facilities. f. Site Design for Safety • Minimize conflicts between drivers and pedestrians through the siting of structures, location of circulation elements, landscape design, and placement of signs. • Design and site structures to maximize site surveillance opportunities from buildings and public streets. • Provide adequate lighting levels in all pedestrian areas, including building entries, along walkways, parking areas, and other public areas. • Design landscaping so that long term growth will not interfere with site lighting and surveillance. • Use durable, high quality materials in site furnishings and features for ease of maintenance. Siting and Screening of Service Areas • Minimize the visual and aural impacts of service areas such as loading docks, trash and recycling collection points, utility maintenance areas, etc., through site design, landscaping and screening. h. Natural Features and Sensitive Areas • Preserve natural features such as existing topography, significant trees or wooded areas, wetlands and/or watercourses and incorporate them into the overall site, where appropriate. • Design and site structures on hillsides to minimize the visual and environmental impact of development in these locations. • Employ site design techniques that take advantage of and/or enhance visual focal points along the corridor, where feasible. g. i. Surface Stormwater Detention Facilities • Integrate water quality treatment techniques such as bio filtration swales and ponds with overall site design, where possible and appropriate. Ocitystore\City Common\Teri - DCD\Kirby\2016 Applications\Design Review -Public Hearing -March 2016.docx j Pedestrian Circulation • Provide paved pedestrian walkways that connect all buildings and entries of buildings within a site. • Provide a paved pedestrian walkway from the public sidewalk(s) to the main entry of developments; where a development fronts two streets, access must be provided from both streets. • Provide pedestrian connections from the on -site pedestrian network to walkways on adjacent properties and to other off -site destinations, where feasible. • Support pedestrian movement between properties and from private property to public rights -of -way by providing facilities that traverse natural or man-made barriers, where appropriate. • Provide direct pedestrian walkways from businesses in commercial areas to transit stops, and/or provide additional transit amenities, where appropriate and feasible. k. Pedestrian Amenities • Incorporate pedestrian amenities in site design to increase the utility of the site and enhance the overall pedestrian environment in the corridor, where possible. 1. Vehicular Circulation • Minimize conflicts between vehicular and pedestrian traffic. • Minimize the amount of space devoted to vehicular circulation by limiting access driveways; ensuring that internal site circulation is efficient; and/or taking advantage of opportunities for shared driveways. m. Parkiiig • Minimize the amount of space devoted to parking by taking advantage of shared parking and/or methods for reducing parking demand, where possible. 2. Building Design a. Architectural Concepts • Develop an architectural concept for structure(s) on the site that conveys a cohesive and consistent thematic or stylistic statement, and is responsive to the functional characteristics of the development. • Ensure that development on sites with more than one structure employ similar or complementary architectural styles and/or are related in scale, form, color, and use of materials and/or detailing. b. Architectural Relationships • Provide for visual and functional continuity between the proposed development and adjacent and neighboring structures when these structures demonstrate an appropriate level of architectural quality. • Reduce the apparent scale of large commercial buildings located in the Neighborhood Commercial Center district and located adjacent to residential districts. c. Building Elements, Details, and Materials • Provide distinctive building corners at street intersections through the use of special architectural elements and detailing, and pedestrian -oriented features where possible (see definition of pedestrian friendly facade). • Relate the design and scale of building elements and details to the building's overall form and massing. • Employ architectural details that are appropriate to the architectural character of the building. • Utilize durable, high quality building materials that contribute to the overall appearance, ease of maintenance, and longevity of the building. • Integrate the design and placement of exterior lighting with the architectural design and materials. d. Pedestrian -Oriented Features • Provide pedestrian -friendly facades (see Definitions) on the ground floor of all buildings that face public streets and entry facades that face parking areas. • Provide special treatment for large blank walls (see Definitions) that are visible from pedestrian walkways and parking areas. • Enhance building entries through the use of weather protection, landscaping, pedestrian amenities and/or distinctive architectural features. \\citystore\City Common\Teri - DCD\Kirby\2016 Applications\Design Review -Public Hearing -March 2016.docx e. Mechanical Equipment • Locate and/or screen roof -mounted mechanical equipment to minimize visibility from public streets, building approaches, and adjacent properties. • Locate and/or screen utility meters and other ground level utility equipment to minimize visibility from the street. 3. Landscape Design a. Landscape Design • Develop a landscape design concept that demonstrates a clear and appropriate aesthetic statement. • Develop a landscape design concept that reinforces site design and fulfills the functional requirements of the development, including screening and buffering. • Ensure that the landscape design reinforces and complements plantings in the public right-of-way. b. Planting Design • Select plant materials that reinforce the landscape design concept, and are appropriate to their location in terms of hardiness, maintenance needs, and growth characteristics. • Incorporate existing significant trees, wooded areas, and/or vegetation in the planting plan where they contribute to overall landscape design. 4. Signs a. Signage Concept • Provide signage that is integrated with the architectural concept in scale, detailing, use of color, materials, and placement. b. Sign Placement • Provide signage that is oriented to both pedestrians and motorists in design and placement. • Provide adequate directional signage on site and building identification numbers that are legible from the street(s). • Integrate freestanding signs with the landscaping. c. Sign Design • Consider both day- and night-time viewing in the design, placement, and lighting of signage. • Provide durable, high quality materials and finishes for signage. Consistency with Adopted Plans and Regulations (TMC 18.100.030) 5. Demonstrate the manner in which the proposal is consistent with, carries out and helps implement applicable state laws and regulations and the regulations, policies, objectives and goals of the City of Tukwila's Comprehensive Plan, the City of Tukwila's Development Regulations and other official laws, policies and objectives of the City of Tukwila. COMPREHENSIVE PLAN POLICIES RELATED TO DESIGN REVIEW The Tukwila Comprehensive Plan contains policies regarding the design of certain types of development in particular zones or areas. These policies further articulate the design review criteria in TMC 18. Refer to adopted Comprehensive Plan Policies at http://www.tukwilawa.gov/dcd/dcdcompplan.html. \\citystore\City Common\Teri - DCD\Kirby\2016 Applications\Design Review -Public Hearing -March 2016.docx King County 8/086006 •I -r CO 0 CO 8108600660 39= IiJ�ll�r nn-710 53 537980177 0 co tit CO ,615420005( 6154200040 6154200030 C150 5 rr.9rijlr� 5379800680 5379500689 �� 7980d6752 5379600660 .mot 1 « t a44 5379800685 tom, 5379800670 5379800651 53 7960.0650 5379800630 0 rp 0 0 The nformation ncbded on this nep has been compied by Kirg County staff from a variety of sources and is subject to change wthout notice. Kng County makes no representations or warranties, expres or impied, as to accuracy, completeness, t,netiress, or rights to the use of such information. Ttis hrcum ntis rot intended br use as a survey product. IGng County shall rot be liable far any general, special, Wired, incidental, or consequential damages indudng, but not United to, bst revenues or bst profits resuting from he use or misuse d the intonnatbn contained on this map. My sale o1 this map or Information on this map is prohibited except by writen permission of Kirg County. Date: 9/22/2017 L/7-OOG6. " kgi King County A GIS CENTER