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Home My WebLink About2023 - Declaration of Covenant for Inspection and Maintenance of Stormwater Facilities and BMPS - Homestead Community Land Trust / City of Tukwila - 20231023000810Instrument Number: 20231023000810 Document:COV Rec: $225.50 Page-1 of 23 Record Date:10/23/2023 4:17 PM Electronically Recorded King County, WA After Recording Return to: City Clerk City of Tukwila 6200 Southcenter Boulevard Tukwila, WA 98188 DOCUMENT TITLE: REFERENCE NUMBER(S) OF RELATED DOCUMENTS: GRANTOR: GRANTEE: Declaration of Covenant for Inspection: and Maintenance o ormwater Facilities and BMPS Additional reference numbers at page 2 of document. Homestead Community Land Trust Cityof Tukwila, a Washington g n Municipal Corporation ABBREVIATED LEGAL DESCRIPTION: Community, Vol. inclusive, and of 1 - T Tracts A and B, The Southard, a Plat Plats, pgs. 14-18. Full legal on page 5 of document. OLJNT'AX PARCEL NUMBER:787720-0190, -0200, 87720-0010, -0020, -0030, -0040, -0050, -0060, -0070, -0080, 787720-0090, -0100, -0110, -0120,-01.30, -0140, -0150, -0160, '720-0170,-0180 Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-2 of 23 Record Date:10/23/2023 4:17 PM King County, WA DECLA TION OF COVENANT FOR INSPECTION AND MAINTENANCE OF STORMWATER FACILITIES AND BMPS 1. Parties 1.1 This Covenant for Inspection and Maintenance of Stormwater Facilities and Best Management Practices ("Covenant") is made by and between Homestead Community Land Trust, as Grantor, and the City of Tukwila, a Washington Municipal Corporation, as Grantee. Grantor and Grantee (also denoted as City herein) are each a Party and collectively the Parties to this Agreement. 2. Recitals 2.1 Grantor applied to City for issuance of a Public Works Construction Permit on 9/6/2022. 2.2 Pursuant to TMC 14.30.060, application for and issuance of such perrnit requires the property owner to enter into this Covenant. 2.3 The subject of the Covenant is the real property located in King County, Washington, bearing King County Tax Parcel Nos. 787720-0190, -0200, 787720-0010, -0020, -0030, -0040, -0050, -0060, -0070, -0080, 787720-0090, -0100, -0110, -0120, -0130, -0140, -0150, -0160, 787720-0170, -0180 and legally described in the attached Exhibit A incorporated herein ("Property"). 2.4 The City approved the applications which consist of the following documents, attached arid incorporated herein: 2.4.1 City issued Permit No. PW21-0023, Exhibit B. 2.4.2 Stormwater Facility/BMP Site Plan, Exhibit C. 2.4.3 Operations & Maintenance Plan including schedule, Exhibit D. 3. Terms of Agreement NOW THEREFORE, in consideration of the foregoing recitals and other good and valuable consideration including approval and issuance of City of Tukwila Permit PW21-0023, issued 9/6/2022, the sufficiency and receipt of which are acknowledged, Grantor hereby irrevocably covenants as follows: 3.1 The foregoing Recitals and references to documents are incorporated as material terms of this Covenant . 3.2 The Grantor(s) for itself and its successors in interest having any ownership interest in the Property (collectively Owners) shall at their sole cost and expense retain, uphold, operate, maintain, and repair the stormwater facilities and best management practices ("BMPs") located on the Property pursuant to the schedule within the Operations & Maintenance Plan. 3.3 The obligations required under Section 3.2 above shall be taken consistent the following: 3.3.1 The City shall have the right of ingress and egress over those portions of the Property necessary to perform inspections of the stormwater facilities and BMPs and conduct other activities specified in this Declaration of Covenant and in accordance with Tukwila Municipal Code ("TMC") 14.30.80. This right of ingress and egress, right to inspect, and right to perform required maintenance or repair shall be as provided for in subsection 3.3.2 below. City of Tukwila Page 1 Stormwater Maintenance Declaration of Covenant Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-3 of 23 Record Date:10/23/2023 4:17 PM King County, WA 3.3.2 If the City determines that maintenance or repair work is required to be done to any of the stormwater facilities or BMPs, the Director of Public Works or designee (the "Director") shall give notice of the specific maintenance and/or repair work required pursuant to TMC 14.30.080. The Director shall also set a reasonable time in which such work is to be completed by the Owner. lf the above required maintenance or repair is not completed within the time set by the Director, the City may perform the required maintenance or repair, and is hereby granted access to the Property for such purposes. Written notice will be mailed to the Owner stating the City's intention to perform such work. This work vill not commence until at least seven (7) days after such notice is mailed, If, within the sole discretion of the Director, there exists an imminent or present danger, the seven (7) day notice period will be waived and maintenance and/or repair work will begin immediately. 3.4 If at any time the City reasonably determines that a stormwater facility or BMP on the Property presents an imminent hazard, as identified by TMC 14.30.080 and herein incorporated by reference, the Director or equivalent municipal successor's official may take measures specified therein. 3.5 The Owner shall assume all responsibility for the cost of any maintenance or repair work completed by the City as described in Covenant. Such responsibility shall include reimbursement to the City within thirty (30) days of the receipt of the invoice for any such work performed. Overdue payments will require payment of interest at the current legal rate as liquidated damages. All such costs and expense shall constitute a lien against the Property. 3.6 The Owners shall obtain a Type C Public Works permit from the City prior to filling, piping, cutting, or removing vegetation (except in routine landscape maintenance such as replacement of plants and pretreatment mulch) in open vegetated stormwater facilities (such as swales, channels, ditches, ponds, etc.), or performing any alterations or modifications to the stormwater facilities and BMPs referenced in this Covenant. Prior to the final approval and issuance of the new permit, a new Covenant with updated exhibits reflecting the changes to the stormwater facilities shall be recorded at the Owner's sole cost, and a copy of the new recorded Declaration of Covenant provided to the ity. 3.7 Any notice or consent required to be given or otherwise provided for by the provisions of this Declaration of Covenant shall be effective upon personal delivery, or three (3) days after mailing by Certified Mail, return receipt requested, to the address listed below for that party: Tc? Grantee: City Clerk City of Tukwila 6200 Southcenter Blvd. Tukwila, WA 98188 To Grantor: Homes, , \41,t( 1-)A 6*e)4 d E- 3.8 With regard to the matters addressed herein, this Covenant constitutes the entire agreement between the parties, and supersedes all prior discussions, negotiations, and all agreements whatsoever whether oral or written. This Covenant shall be governed by the laws of the State of Washington. Any suit to enforce or relating to this Covenant shall only be filed in King County Superior Court, King County, Washington, and the Parties consent to the jurisdiction thereof. In the event of any legal action by either Party relating to this Covenant, the Parties shall pay their own costs or fees. City of Tukwila Stormwater Maintenance Declaration of Covenant Page 2 Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-4 of 23 Record Date:10/23/2023 4:17 PM King County, WA 3.9 This Covenant is intended to protect the value and desirability of the real property described in Exhibit A, promote the efficient and effective management of stormwater drainage, and shall inure to the benefit of all the citizens of the City and its municipal successors and assigns. References herein to the TMC shall include subsequent amendments to such statutes and all successor statutes. 3.10 This Covenant shall run with the land and shall be binding upon the Owners as defined in Section 3.2 above. 3.11 This Covenant may be amended or terminated only with the advance express written consent of the City as determined pursuant to its discretion. EXECUTED AND EFFECTIVE as of the date last signed below. FOR GRANTOR: DATE: City of Tukwila Stormwater Maintenance Declaration of Covenant FOR GRANTEE: City of Tukwila \‘' Hari Ponnekanti Public Works Director DATE: NOTARY BLOCKS APPEAR ON FOLLOWING PAGE Page 3 Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-5 of 23 Record Date:10/23/2023 4:17 PM King County, WA STATE OF WASHINGTON COUNTY OF KING SS. I certify that I know or have satisfactory evidence that is the person who appeared before me, and said person acknowledged that s/he signed this instrument on behalf of the and acknowledged it to be her/his free and voluntary act for the uses and purposes mentioned in this instrument, GIVEN UNDER MY HAND AND OFFICIAI SEAL this day of 202t, VtA ott4r Are G4C r. 4, • t.ic .., ... . -., . . .. .. .,. STATE COUNTY OF KING 104 *** GT N Printed Name NOTARY PUBLIC in and for the State of Washington, residing at 2, . My Commission Expires ss. i A ' On this day personally appeared before me , to me known to be the , r,:z.i 1)`-' 't... t", ' .16:': k,,, 1.1 of the CITY OF TiKWILA. a municipal corporation and noncharter code city with a council -mayor form of government organized pursuant to RC W Title 35A, that executed the foregoing instrument, and acknowledged such instrument to be her free and voluntary act and deed of said city for the uses and purposes therein mentioned, and on oath stated that s/he was duly authorized to execute such instrument. GIVEN UNDER MY HAND AND OFFICIAL SEAL this day of A Rh's,' III 's..ON ;4 0 61'4). .;to 2062'91 tiet- ,4'0 : k,kkV":" fir t‘ WISVSN. City of Tukwila Storm water Maintenance Declaration of Covenant Printed Name .4/4- (2. NOTARY PUBLICT and tor the State otWasthngton, residing at i;P',Ifir (2A/ My Commission Expires Page 4 Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-6 of 23 Record Date:10/23/2023 4:17 PM King County, WA EXIIIBIT A LEGAL DESCRIPTION OF PROPERTY Lots 1 through 18, inclusive, and Tracts A and B of The Southard, a Plat Community, according to the plat thereof, filed under City of Tukwila File Number L21-0089 and recorded in Volume 299 of Plats, pages 14 through 18 and under Recording Number 20220909000329, records of King County, Washington. City of Tukwila Stormwater Maintenance Declaration of Covenant Page 5 Instrument Number: 20231023000810 Document:COV Rec: 8225.50 Page-7 of 23 Record Date:10/23/2023 4:17 PM King County, WA EXHIBIT B Permit [attached] City of Tukwila Storm water Maintenance Declaration of Covenant Page 7 Instrument Number: 30331033000810 Dooumnunt:COVRez: S335.50Pugu'8of33 RouordDuNo:1#/23/2#23 4:17I'MV%ng County, WA C Tukwila Department ofF�/b/k Works 63On5nuthcente,Boulevard, Suite#1On Tukwila, Washington 98zBO Phone:2oa'433'V179 Inspection Scheduling: h,ups://tukm/'egov.aspDnx.cum/Bp/index.htm| xVebsite:h1up*l/www/.TukvvUaVVA.upv Parcel No: 1623049060 PUBLIC WORKS CONSTRUCTION PERMIT Permit Number: PVV21-0023 Issue Date: 9/5/2022 Permit Expires On: 3/5/2023 Project Name: Homestead Community Land Trust Riverton Cascade Owner: RIVERTON PK UNITED METH CH Address: 31l8S14UTH5T'SEAlTLE,WA, 98168 Contact Person: Name: VALER|sTH|EL Address: SAGE Architectural Alliance 2O06East Miller Street, Seattle, WA, D8I12 Phone: (120669'3441 Contractor: Name: Edge Community Builders Phone: (200)900-8605 Address: l225S.Weller St, Suite 55O'Seattle, WA, 98144 License No: EDGE[[B8100Q Expiration Date: 11/12/2023 DESCRIPTION OpWORK: Develop infrastructure for18newhomes,indudingsing|efami|yvnddup|ex,oeoteparkinD|ot,extendwater, power and provide retention and extend storm water outfa|i Fees Collected: $3,17759 Electrical Service Provided by: Seattle City Light Water District: 125 Sewer District: None Public Works Activities: [hanne|izadnn/5hping: 1 CurbCut/Acceo/5dewa|k: 1 Fire Loop Hydrant: l Flood Control Zone: Haul inO/OversizeLoad: Land Altering: Volumes: Cut: 2061 Fill: 425 Landscape Irrigation: 1 Sanitary Side Sewer: Number: 18 Sewer Main Extension: Storm Drainage: l Street Use: 1 Water Main Extension: PRIVATE Instrument Number: 30331033000810 Dooumnunt:COVRez: S335.50Pugu'9of33 RouordDuNo:1#/23/2#23 4:17I'MV%ng County, WA Water Meter: Yes All provisions oflaw and ordinances governing this worwill becomplied with whether specified herein urnot. The granting of this permit does not presume to give authority to violate or cancel the provisions of any other state orlocal laws regulating construction orthe performance ofwork. This permit shall become null and void ifthe work isnot commenced within 18Odays for the date o/issuance, orif the work is suspended or abandoned for a period of 180 days from the last inspection. psmmIT CONDITIONS: 3: Fire Lanes shall be identified by painting the curb yellow and a four inch wide line and block letters18 inches high, painted in the lane, at fifty foot intervals, stating, FIRE LANE NO PARKING, color to be bright yellow, or by the posting of signs stating, FIRE LANE NO PARKING, and painting the curb. Signs shall be posted vnorimmediately next tothe curb line oronthe building. Signs shall betwelve inches byeighteen inches and shall have letters and background of contrasting color, readily readable from at least a fifty foot distance. Signs shall be spaced not further than fifty feet apart nor shall they be more than four feet from the ground. (City Ordinance 42290)(The entire access road and the area in front of the clumpster enclosure shall bemarked os fire lane. SEE FIRE LANE MARK-UPS 0wDRAWING AND ATTACHED FIRE LANE STENCILING OPTIONS. 3: All required hydrants and surface access roads shall bcinstalled and made serviceable prior toand during the time of construction, FIRE ACCESS ROAD SURFACE The surface shall be constructed of asphalt or concrete capable of supporting the imposed load of fire apparatus weighing atleast 85'000|bs. 4: Maximum grade for all projects is 10% with a cross slope no greater than 5%. (IFC D103.2) S: For all commercial, multi -family and single family subdivisions, hydrants shall be placed so that a hydrant is within 150 feet of a building and so that no point of a building (around its perimeter) is greater than 300 feet from ahydrant. Distance from a hydrant to a building is measured along the path of vehicular travel. (City Ordinance #ZO52) 6: Fire hydrants shall conform to American Water Works Association specifications C-502-54; it shall be compression type, equipped with two 2 1/2" N.S.T. hose ports and one 5" Storz pumper discharge port and cap, and shall have a11/4"Pentagon open -lift operating not. (City Ordinance #2O52) 7: Fire hydrants shall beoriented inthe direction offire apparatus access. O: Hydrants shall not be closer than 4 feet to any fixed object (e.g., fences, parking, building, etc.), with the exception ofhydrant guard posts. Guard posts shall beinstalled around hydrants not protected bycurbs, so astohelp prevent motor vehicles from contacting the hydrant. The guard posts shall beeither steel pipe (minimum 4" distance) filled with concrete or concrete (minimum 8" diameter). Posts shall be3feet from the center of the hydrant and shall not be in direct line with any discharge ports. Posts shall be6feet long; 3'31/2feet shall beburied. Painted finish shall bethe same color asfor the applicable hydrants. The 4' botcioumfeencearoundthphydnantvviUbea|eve|surface. (City Ordinance #205Z) 9: Private hydrants shall beall yellow. Hydrant color istnbe"Rusto|eum^#659Yellow Gloss orFamvest#X' 3472CoseYeUo,,. l: Contact The Tukwila Fire Prevention Bureau to witness all required inspections and tests. (City Ordinances #2436and #Z437> 10: Any overlooked hazardous condition and/or violation of the adopted Fire or Building Codes does not imply approval nfsuch condition orviolation. Instrument Number: 30331033000810 Dooumnunt:COVRez: S335.50Pugul0of33 RouordDuNo:1#/23/2#23 4:17PMV%ng County, WA ll: New and existing buildings shall have approved address numbers, building numbers or approved building identification placed in a position that is plainly legible and visible 4 'rom the street or road fronting the property. These numbers shall contrast with their background. Address numbers shall beArabic numbers oralphabet letters. Numbers shall be a minimum of 4 inches (102mm) high with a minimum stroke width SEE ATTACHED ADDRESSING PLAN FOR NEW STREET AND BUILDINGS. - STREET ADDRESS SIGNS AND ADDRESSING MONUMENTS REQUIRED ATINTERSECTIONS. SEE ATTACHED FIRE MARK-UPS FOR LOACTIONS AND INFORMATION. THIS IS REQUIRED FOR PW PERMIT. 12: NEW ASSIGNED ADDRESSES (EX/ST|NG/[URnENT) PARCEL NUMBER: l623O49U60 ° LOT l:z3D3932ndLmS,TUKVV|u\98l68 ° LOT Z:l384}3ZndLNS,TUKvV|LA98l68 ° LOT 3:1]84]32ndLN5,TUxVv|LA98l§8 °LVT4:138473ZndLNITUKVV|U\98l68 ° LOT 5:l384932ndLNS'TUxVV|LA981U8 ° LOT6: 13819 32nd LN S, TUKVV|LA98168 ° LOT 7:l38I732ndLNS,TUKVV|L49nl68 ° LOT8: 13815 32nd LNS,TUKVV|LA98168 °LOT9:l38z35ZndLNS,TUKvV|LA98l§8 ° LOT 1O:l381132ndLNS,TUKvV|LA9Bl68 ° LOT I1:IJ8093ZndLNS,TVKVV/LA98l68 ° LOT z2:1]8O73IndLNS,TUxVv|LA98IO8 ° LOT 1}'l38O5]2ndLNS,TUKVV|LA98l68 ° LOT z4:l3VO332ndLNS,TUKvV|LA98168 ° LOT z5:1380l3ZndLNS,TVKVV|Lx98168 ° LOT l6: 1383I32ndLmS,TUxvV|LA98108 ° LOT 17:I383332ndiNS,TUKvv|LA98168 ° LOT I8:I3835]2ndLNS,TUKVV|L49VI68 13: ~~*PLANm|NGPERMIT COND|TlONS~*~ lt Signs are not approved aspart nfthis permit. Aseparate sign permit i`required 15: A soils inspection is required after amending the soil, but before any plants are installed 16: Prior to requesting a landscaping inspection please provide a landscaping affidavit from the landscape architect, stating that the landscaping was installed per approved plans. Landscape inspection can occur any time after the plants are planted. You do not need to wait until the end of the project to schedule the landscaping inspection. As part of the landscaping inspection you will need to verify that the irrigation system isworking properly 18: The existing 36" Deciduous tree shall remain and be protected during construction. An inspection of tree protection measures shall be sheduled with the project planner, Jaimie Reavis, prior to the start of any site work. Call or email the project planner to schedule the inspection at (206) 431-3659 or ]aimie.Reavis@otuhwi|awa.gov. 17: Prior to removal of any vegetation, contact a planner in the Department of Community Development (206- 431-3670) as vegetation removal may require approval via a permit and replacement, 19: All burlap, wires, and straps, etc. shall heremoved from the entirety ofthe root ball nfall plants prior to them being planted. 20: Ahold harmless for work inthe ROW isrequired before work can begin. Zz: ~*°PUBL|[WORKS PERMIT C0ND|7lONS~*~ 22: Schedule mandatory pre -construction meeting with the Public Works Inspector, littPs:Hthw' egovaspgov.com/BP/index.htmiAnyquestionsp|easecaU2O6431-3670. 23: Prior toconstruction, all utilities inthe vicinity shall befield located. NOTE: For City ofTukwila utility locates, call 8l1orl-8O0424-555I 24: Permit is valid between the weekday hours of 7:00 a.m. and 5:00 p.m. only. Coordinate with the Public Works Inspector for any work after 5:0Op.m.and weekends. Instrument Number: 2#2Jl#2J###Nl# Dooumont:COV Roo: S225.50Pagoll of2J Record |Nuto:l#/23/2#23 4:17 PNI King County, WA 25: Nowork under this permit during weekend hours without prior approval byPublic Works. Coordinate with the Public Works Inspector. 26: Work affecting traffic flows shall be closely coordinated with the Public Works Inspector. Traffic Control Plans shall bcsubmitted tothe Inspector for prior approval. 27: The City of Tukwila has an undergrounding ordinance requiring the power, telecommunications, and cable service lines be underground from the point of connection on the pole to the house. 28: Flagging, signing and coning shall beinaccordance with K8UT[Dfor Traffic Control. Contractor shall provide certified flagmen for traffic control. Sweep or otherwise clean streets to the satisfaction of Public Works each night around hauling route (No flushing aUuvved). Notify Public Works Inspector before l2:0UNoon on Friday preceding any weekend work. 29: Any material spilled onto any street shall becleaned upimmediately. 30: Temporary erosion control measures shall be implemented as the first order of business to prevent sedimentation off -site o,into existing drainage facilities. 31: The site shall have permanent erosion control measures inplace os soon aspossible after final grading has been completed and prior tnthe Final Inspection. 32: From October I 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. 33: 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. 34: Downspouts, driveway, patio and drainage from other impervious areas shall be collected in an on -site storm drain system. Drains shall be 4" minimum diameter, PVC schedule 40 or corrugated poly ethylene pipe with a minimum 1% slope for gravity discharge to location approved by the Public Works Department. Downspouts shall not connect tofooting drains. Footing drain and downspouts may share asingle discharge pipe downstream ofthe lowest footing drain. 32 All private storm drain pipe shall beeither concrete orreinforced ADS pipe Treated corrugated metal pipe may beused for detention facilities. 36: Pre -construction storm drainage patterns shall be met during and after construction. 37: The property owner is responsible for the maintenance of its storm drainage system and, for this purpose, shall have a maintenance plan in place and the responsibility for maintenance assigned prior to Public Works final. 30: Any Public Storm Manhole(s)shall beinstalled per City ofTukwila Standard Detail no.D5-09;indudimg(aUin color) letters, seal, and City logo. 39: Adouble detector check valve assemb|ybrequired for the fire lines. 40: The water meter box shall belocated within City riQht-of-wayatthe property line orarecorded utility easement. 41: Prior to backfill of pipe and final sign off, provide as -constructed plan sheet showing dimensions in relation toproperty line and house. 42: It shall be verified in writing to the Public Works Inspector that the landscape irrigation system contains a State Department ofHealth approved double check valve assembly. This shall bedone prior tothe Final Inspection. 43: Since the house must have a fire sprinkler system installed, it shall be verified in writing to the Public Works Inspector that the fire loop system for the building contains a WA State Department of Health approved Double Check Valve Assembly (DCVA). This shall be done prior to final inspection. Refer to attached Public Works Details for 1" FIRE/DOMESTIC SERVICE and/or 1" FLOW -THROUGH SYSTEM. Backflow device is optional if a FLOW -THROUGH SYSTEM is installed. Coordinate with the Public Works Inspector. 44: Maintain emergency, pedestrian, and vehicular access to buildings, trails and transit at all times. 45: Construction equipment shall be kept off of existing 5 foot wide pedestrian path, as much as possible, to avoid damage o/asphalt. Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-12 of 23 Record Date:10/23/2023 4:17 PM King County, WA 46: Owner/Applicant shall contact the local postmaster regarding location of mailbox(es) installation. Location of mailbox(es) installation shall be coordinate with Public works. 47: Prior to Public Works Final, provide storm drainage as -built plan, storm drainage maintenance plan and responsibility for maintenance assigned for stormwater treatment and flow control BMPs/Facilities. 48: A bond or cash equivalent in the amount of 150% x cost of construction within the City right-of-way made out to the City of Tukwila for possible property damages caused by activates. 49: A copy of the Certificate of Insurance Coverage (minimum of $2,000,000 naming the City of Tukwila as additionally insured). 50: 1. A hold harmless for work in the ROW is required before work can begin within the right of way or on City property. 2. Before permit close out, submit as-builts of all PW activities, and stormwater maintenance covenant. 51: A bond or cash equivalent in the amount of 150% x cost of construction within the City right-of-way made out to the City of Tukwila for possible property damages caused by activites. 52: A copy of the Certificate of Insurance Coverage (minimum of $2,000,000 naming the City of Tukwila as additionally insured). PERMIT INSPECTIONS REQUIRED 5180 BACKFLOW - FIRE 5170 BACKFLOW - IRR 5200 EROSION MEASURES 5210 EROSION MEASURES FNL 1220 EXTERIOR FINISHES 5020 FIRE LOOP HYDRANT FIRE PW PERMIT FINAL 5040 LAND ALTERING 1200 LANDSCAPING 1210 PARKING 1500 PLANNING FINAL 0102 PRE -CONSTRUCTION PLNG 1600 PUBLIC WORKS FINAL 5160 PUBLIC WORKS PRE -CON 5070 SANITARY SIDE SEWER 5080 SEWER MAIN EXTENSION 1230 SOILS 5090 STORM DRAINAGE 1240 TREE PROTECT MEASURE 5110 WATER MAIN EXT 5130 WATER METER - PERM Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-13 of 23 Record Date:10/23/2023 4:17 PM King County, WA EXHIBIT C Stormwater Facility/BMP Site Plan [attached] City of Tukwila Stormwater Maintenance Declaration of Covenant Page 8 Instrument Number: 20231023000810 Document:COV Rec: 8225.50 Page-14 of 23 Record Date:10/23/2023 4:17 PM King County, WA CB #6B AREA DRAIN FOOTING DRAIN CONNECTIONS (r P) STORM RAIN LEANOUT (TYP) TP TON PAR, U BIORETEION OVERFLOW WITH BEEHIVE GRATE coterra ENGINEERING PLLC T NON —INFILTRATING BIORETENTION CELL WITH UNDERDRAN (WATER QUALITY) CB #5 TYPE II CATCH BASIN CB #4 BIORETENTION OVERFLOW WITH BEEHIVE GRATE CB #3 FLOW CONTROL STRUCTURE IN TYPE it CATCH BASIN (SOLID LID) DETENTION TANK STORMTECH CHAMBERS SYSTEM (FLOW CONTROL) ONSITE STORM DRAINAGE LINE (TP) GB #2 TYPE II GB WITH SOLID LID NON —INFILTRATING BIORETENTION CELL WITH UNDERDRAIN (WATER QUALITY) SCALE: 1 "=50' E SOUTHARD - TUKWILA, WA EXHIBIT C STORMWATER FACILITY/BMP SITE PLAN Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-15 of 23 Record Date:10/23/2023 4:17 PM King County, WA EXHIBIT D Operations & Maintenance Plan with Schedule [attached] City of Tukwila Storm water Maintenance Declaration of Covenant Page 9 Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-16 of 23 Record Date:10/23/2023 4:17 PM King County, WA APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, Maintenance Component ENTION TANKS AND VAUt Defect or Problem Conditions When Maintenance is Needed ND WQ FACILITIES 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 Any evidence of contaminants or pollution such pollution 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. Tank or Vault Storage Area Tank Structure Trash and debris Any trash and debris accumulated in vault or tank (includes floatables and non-floatables). No trash or debris in vault. Sediment accumulation Plugged air vent Accumulated sediment depth exceeds 10% of the diameter of the storage area for 'A length of storage vault or any point depth exceeds 15% of diameter. Example: 72-inch storage tank would require cleaning when sediment reaches depth of 7 inches for more than 'A length of tank. Any blockage of the vent. All sediment removed from storage area. 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 No water or soil entering tank sections or any evidence of soil particles entering through joints or walls. the tank at a joint or through a wall. Vault Structure Damage to wall, Cracks wider than 1/4-inch, any evidence of soil frame, bottom, and/or entering the structure through cracks or qualified top slab inspection personnel determines that the vault is not structurally sound. Vault is sealed and structurally sound. 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-fioatahles), No trash or debris in pipes. Damaged 1 Cracks wider than'/ -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. 2021 Surface Water Design Manual — Appendix A A-5 7/23/2021 Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-17 of 23 Record Date:10/23/2023 4:17 PM King County, WA APPENDIX A MAINTENANCE REQUIREMENTS FL( )NTROL, CONVEYANCE, AND WQ FACII.,ITIES Component Access Manhole Large access doors/plate TANKS AND VAULTS Defect or Problem Cover/lid not in place Locking rnechanism not working Cover/lid difficult to remove Ladder rungs unsafe aged or difficult Gaps, doesn't cover completely ifting Rings missing, rusted Conditions When Maintenance is Needed Cover/lid is missing or only partially in place. Any open manhole requires immediate intenance. Large access doors not flat and/or access opening not completely covered. Lifting rings not capable of lifting weight of door or plate. Results Expected When Maintenance is Performed Manhole access covered. Mechanism opens with proper tools. Cover/lid can be removed and reinstalled by one maintenance person. Ladder meets design standards. Allows maintenance person safe access. Replace or repair access door so it can opened as designed. Doors close flat; covers access opening completely. Lifting rings sufficient to lift or remove door or plate. 7/23/2021 A-6 2021 Surface ater Design Manual — Appendix A Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-18 of 23 Record Date:10/23/2023 4:17 PM King County, WA APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, D WQ FACILITIES ONTROL Maintenance Component tructure Defect or Problem Trash and debris REST.!( Condition When Maintenance is Needed Trash or debris of more than '% cubic foot which is located immediately in front of the structure opening or is blocking capacity of the structure by more than 10%. Trash or debris in the structure that exceeds 1/3 the depth from the bottom of basin to invert the lowest pipe into or out of the basin. Deposits of garbage exceeding 1 cubic foot in volume. Sediment Sediment exceeds 60% of the depth from the bottom of the structure to the invert of the lowest pipe into or out of the structure or the bottom of the FROP-T section or is within 6 inches of the invert of the lowest pipe into or out of the structure or the bottom of the FROP-T section. Corner of frame extends more than % inch past curb face into the street (If applicable). Damage to frame and/or top slab Top slab has holes larger than 2 square inches or cracks wider than 'A inch. Cracks in walls or bottom Settlement/ misalignment Damaged pipe joints Contaminants and pollution Ladder rungs missing or unsafe FROP-T Section Damage CI nout Gate Results Expected When Maintenance is Performed No Trash or debris blocking or potentially blocking entrance to structure. No h or debris in the structure. No condition present which would attract or support the breeding of nsects or rodents. Sump of structure contains no sediment. Frame is even with curb. Top slab is free of holes and cracks. Frame not sitting flush on top slab, i.e., separation of more than % inch of the frame from the top slab. Frame is sitting flush on top slab, Cracks wider than'/z inch and longer than 3 feet, any evidence of soil particles entering structure through cracks, or maintenance person judges that structure is unsound. Structure is sealed and structurally sound. Cracks wider than ! : inch and longer than 1 foot at the joint of any inlet/outlet pipe or any evidence of soil particles entering structure through cracks. Structure has settled more than 1 inch or has rotated more than 2 inches out of alignment. No cracks more than 1/4 inch wide at the joint of inlet/outlet pipe. Basin replaced or repaired to design standards. Cracks wider than %-inch at the joint of the inlet/outlet pipes or any evidence of soil entering the structure at the joint of the inlet/outlet pipes. Any evidence of contaminants or pollution such as oil, gasoline, concrete slurries or paint. Ladder is unsafe due to missing rungs, misalignment, rust, cracks, or sharp edges. T section is not securely attached to structure wall and outlet pipe structure should support at least 1,000 Ibs of up or down pressure. Structure is not in upright position (allow up to 10% from plumb). Connections to outlet pipe are not watertight or show signs of deteriorated grout. Any holes —other than designed holes —in the structure. Damaged or missing Cleanout gate is missin No cracks more than'/. -inch wide at the joint of inlet/outlet pipes. Materials removed and disposed of according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface oil film. Ladder meets design standards and allows maintenance person safe access. T section securely attached to wall and outlet pipe. Structure in correct position. Connections to outlet pipe are water tight; structure repaired or replaced and works as designed. Structure has no holes other than designed holes. Replace cleanout gate. 2021 Surface Water Design Manual — Appendix A A-7 7/23/2021 Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-19 of 23 Record Date:10/23/2023 4:17 PM King County, WA APPENDIX A MAIM ENANCE 3QU1REMENTS FLOW Ct7NTRO. ;ON YANCE, AND WQ FACILITIES NO 4 - CONTROL STRt Maintenance Defect or Problem Component Condition When Maintenance is Needed Orifice Plate Damaged or missing Overflow Pipe Inlet/Outlet Pipe Metal Grates (If Applicable) Cleanout gate is not watertight. Results Expected When Maintenance is Performed Gate is watertight and works as designed. Gate cannot be moved up and down by one maintenance person. Gate moves up and down easily and is watertight. Obstructions Obstructions Deformed or damaged lip Sediment accumulation Trash and debris Damaged Damaged or missing Manhole Cover/Lid Cover/lid not in place Chain/rod leading to gate is missing or damaged Control device is not working properly due to missing, out of place, or bent orifice plate. Any trash, debris, sediment, or vegetation blocking the plate. Any trash or debris blocking (or having the potential of blocking) the overflow pipe. Lip of overflow pipe is bent or deformed. Sediment filling 20% or more of the pipe. Grate missing or broken member(s) of the grate. Cover/lid is missing or only partially in place. Any open structure requires urgent maintenance. 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. Chain is in place and works as designed. Plate is in place and works as designed. Plate is free of all obstructions and works as designed. Pipe is free of all obstructions and works as designed. Overflow pipe does not allow overflow at an elevation lower than design Inlet/outlet pipes clear of sediment. Grate opening meets design standards. Grate free of trash and debris. Grate is in place and meets design standards. Cover/lid protects opening to structure. Mechanism opens with proper tools. Cover/lid difficult to Remove One maintenance person cannot remove cover/lid after applying 80 lbs. of lift. , Cover/lid can be removed and reinstalled by one maintenance person. 7/23/2021 A-8 2021 Surface Water Design Manual — Appendix A Instrument Number: 20231023000810 Document:COV Rec: 8225.50 Page-20 of 23 Record Date:10/23/2023 4:17 PM King County, WA APPENDIX A MAINTENANCE REQUIREMENTS FOR. FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES Maintenance Component Structure Defect or Problem Sediment Trash and debris Condition When Maintenance is Needed Sediment exceeds 60% of the depth from the bottom of the catch basin to the invert of the lowest pipe into or out of the catch basin or is within 6 inches of the invert of the lowest pipe into or out of the catch basin. Performed is arf ormed Results Expected When Ma intenance Sump of catch basin contains no sediment, Trash or debris of more than %2 cubic foot which is located immediately in front of the catch basin Iopening or is blocking capacity of the catch basin by more than 10%. Trash or debris in the catch basin that exceeds 1/3 the depth from the bottom of basin to invert the lowest pipe into or out of the basin. No Trash or debris blocking or potentially blocking entrance to catch basin. No trash or debris in the catch basin. Dead animals or vegetation that could generate odors that could cause complaints or dangerous gases (e.g., methane). No dead animals or vegetation present within catch basin. Deposits of garbage exceeding 1 cubic foot in volume. Damage to frame 1 Corner of frame extends more than 3/., inch past and/or top slab curb face into the street (If applicable). Cracks in walls or bottom Settlement/ misalignment No condition present which would attract or support the breeding of insects or rodents. Frame is even with curb. Top slab has holes larger than 2 square inches or cracks wider than % inch. Frame not sitting flush on top slab, i.e., separation of more than 3/ inch of the frame from the top slab, Cracks wider than %2 inch and longer than 3 feet, any evidence of soil particles entering catch basin through cracks, or maintenance person judges that catch basin is unsound. Cracks wider than %2 inch and longer than 1 foot t No cracks more than 1/4 inch wide at at the joint of any inlet/outlet pipe or any the joint of inlet/outlet pipe. evidence of soil particles entering catch basin through cracks. Top slab is free of holes and cracks. Frame is sitting flush on top slab. Catch basin is sealed and is structurally sound. Catch basin has settled more than 1 inch or has rotated rnore than 2 inches out of alignment. Basin replaced or repaired to desigi standards. Damaged pipe joints Cracks wider than Y2-inch at the joint of the inlet/outlet pipes or any evidence of soil enterin the catch basin at the joint of the inlet/outlet pipes. Contaminants and Any evidence of contaminants or pollution such pollution as oil, gasoline, concrete slurries or paint. Inlet/Outlet Pipe Sediment accumulation Sediment filling 20% or more of the pipe. Trash and debris Damaged Trash and debris accumulated in inlet/outlet pipes (includes floatables and non-floatables). No cracks more than 1-inch wide at the joint of inlet/outlet pipes.. Materials removed and disposed of according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface oil film. Inlet/outlet pipes clear of sediment. No trash or debris in pipes. Cracks wider than %2-inch at the joint of the inlet/outlet pipes or any evidence of soil entering I at the joints of the inlet/outlet pipes. No cracks more than 1/4-inch wide at the joint of the inlet/outlet pipe. 2016 Surface Water Design Manual — Appendix A A-9 4i24/2016 Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-21 of 23 Record Date:10/23/2023 4:17 PM King County, WA APPENDIX A MAINTENANCE REQUI LATCH BASINS Maintenance Component Metal Grates (Catch Basins) — Defect or Problem -MENTS FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES Unsafe grate opening Trash and debris Condition When Maintenance is Needed Grate with opening wider than inch. Trash and debris that is blocking more than 20% of grate surface. Damaged or missing Manhole Cover/Lid Cover/lid not in place Grate missing or broken member(s) of the grate. Any open structure requires urgent intenance. Results Expected When Maintenance is Performed Grate opening meets design tandards. Grate free of trash and debris, footnote to guidelines for disposal Grate is in place and meets design standards. Cover/lid is missing or only partially in place. Any open structure requires urgent maintenance. Locking mechanism Not Working Cover/lid i icu t to i Remove Mechanism cannot be opened by one maintenance person with proper tools. Bolts annot be seated Self-locking cover/lid does no rk. Cover/lid protects opening to structure. Mechanism opens with proper tools One maintenance person cannot remove coverilid after applying 80 lbs. of lift. Cover/lid can be removed and reinstalled by one maintenance person. 4/24/2016 A-10 2016 Surface Water Design Manual — Appendix A Instrument Number: 20231023000810 Document:COV Rec: 8225.50 Page-22 of 23 Record Date:10/23/2023 4:17 PM King County, WA Maintenance Component Pipes Ditches APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, PIPES AND DiTCHE Defect or Problem Sediment & debris accumulation Vegetation/ roots Contaminants and pollution Damage to protective coating or corrosion ash and debris Conditions When Maintenance Is Needed Accumulated sediment or debris that exceeds 20% of the diameter of the pipe. Vegetation/roots that reduce free movement of water through pipes. Any evidence of contaminants or pollution such as oil, gasoline, concrete slurries or paint. Protective coating is damaged; rust or corrosion is weakening the structural integrity of any part of pipe. Any dent that decreases th".... area e cross section of pipe by more than 20% or is determined to have weakened structural integrity of the pipe, Trash and debris exceeds 1 cubic foot per 1,000 square feet of ditch and slopes. D WQ FACILITIES Results Expected When Maintenance is Performed Water flows freely through pipes. Water flows freely through pipes. Materials removed and disposed of according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface oil film, Pipe repaired or replaced. Pipe repaired or replaced. Trash and debris cleared from ditches. Sediment accumulation Noxious weeds Contaminants and pollution Accumulated sediment that exceeds 20% of the design depth. Ditch cleaned/flushed of all sediment and debris so that it matches design. Any noxious or nuisance vegetation which may constitute a hazard to County personnel or the public. Any evidence of contaminants or pollution such as oil, gasoline, concrete slurries or paint. Noxious and nuisance vegetation removed according to applicable regulations, No danger of noxious vegetation where County personnel or the public might normally be. Materials removed and disposed of according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface oil film. Vegetation Vegetation that reduces free movement of water through ditches. Erosion damage to slopes Rock lining out of place or missing (If Applicable) Any erosion observed on a ditch slope. Water flows freely through ditches. Slopes are not eroding. One layer or less of rock exists above native soil area 5 square feet or more, any exposed native soil. Replace rocks to design standards. 2016 Surface Water Design Manual -- Appendix A A-11. 4/24/2016 Instrument Number: 20231023000810 Document:COV Rec: S225.50 Page-23 of 23 Record Date:10/23/2023 4:17 PM King County, WA Maintenance Component APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, AND WQ FACI Defect or Problem 1 Conditions When Maintenance is Needed Preventative Vegetation Vegetation to be watered and pruned as needed and mulch applied to a minimum of 2 inches to maintain healthy growth. Results Expected When Maintenance is Performed TIES Healthy vegetation growth with full coverage as designed. Bioretention Area Trash and debris Vegetation r I Sedimen accumula Ponding Inflow Trash and debris in the bioretention area; leaf drop in the fall season. Sediment accumulation in the bioretention area ion interfering with infiltration. Standing water in the bioretention area for pore than two days. Overflow outlet Underdrain Plant health Inflow not getting into bioretention; debris/sediment blockage at inlet features, native soil is exposed or other signs of erosion damage is present. Overflow water not controlled by outlet features; native soil is exposed or other signs of erosion damage is present. Underdrain is not flowing when bioretention area has been infiltrating water. No trash or debris In the bioretention area. Water in the bioretention infiltrates as designed. Standing water infiltrates at the desired rate, Unobstructed and properly routed inflow into bioretention area; inlet is stabilized and appropriately armored. Outlet features control overflow; overflow is stabilized and appropriately armored. Underdrain flows freely when water is present. Plant species Weeds Watering Pest Control Plants not thriving across at least 80% of the entire design vegetated area within the BMP; overly dense vegetation requiring pruning. Plants not water tolerant species. Weeds growing in bioretention area. 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 Healthy water tolerant plants in bioretention area. plants thriving across at least 80% of the entire design vegetated area within the facility. Plants are water tolerant. No weeds in bioretention area. Signs of pests, such as wilting or chewed leaves or bark, spotting or other indicators; extended ponding period encouraging mosquitoes Plants are established and thriving Plant community is post-free when H following an approved Integrated Pest Management plan; bioretention functioning normally and ponding Icontrolled as needed for pest control Containment Berm and Earthen Slopes Amended Soil Erosion; Voids created by nuisance animals (e.g., rodents) or tree roots Erosion occurring at earthen slopes or containment berm side slope. Voids affecting berm integrity or creating leaky pond condition Erosion on the containment berm and side slopes has been repaired and the cause of the erosion corrected, 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 F A minimum of 6 inches freeboard from than 6 inches of freeboard from the maximum the maximum pond level to the top of pond level to the top of the berm. the berm. Soil nutrients Bare spots Soil not providing plant nutrients, Soil providing plant nutrients. Bare spots on soil in bioretention area. No bare spots, bioretention area covered with vegetation or mulch mixed into the underlying soil. Compaction Inspection Frequency Poor infiltration due to soil compaction in the bioretention area. Annually and after large storms, and as needed seasonally for pruning, plant maintenance, pest control and to control leaf drop, evergreen needles etc. No soil compaction in the bioretention area. Bioretention facility is functioning normally; plant community is thriving and pest -free. 2016 Surface Water Design Manual — Appendix A A-39 4/24/2016