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Home My WebLink AboutPlanning 2020-07-23 COMPLETE AGENDA PACKETCity of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director HAIR HEIDI WATTERS; VICE -CHAIR LOUSIE STRANDER; COMMISSIONERS DENNIS VIARTINEZ, SHARON MANN, KAREN SIMMONS, DIXIE STARK AND ANDREA REAY CITY OF TUKWILA BOARD OF ARCHITECTURAL REVIEW PUBLIC HEARING VIRTUAL MEETING VIA MICROSOFT TEAMS JULY 2312020 - 6:30 PM To Participate in the Virtual Meeting at 6:30 pm: By Phone: Dial +1 253-292-9750, Access Code 983 474 153# Online: To join the meeting online click here Join Microsoft Teams Meeting FOR TECHNICAL SUPPORT DURING THE MEETING YOU MAY CALL 1-206-433-7155. I. CALL TO ORDER II. ATTENDANCE III. ADOPT MINUTES - 4/23/20 IV. PUBLIC HEARING V. CASE NUMBER: L20-0011 PURPOSE: DESIGN REVIEW PUBLIC HEARING FOR CONSTRUCTION OF NEW 2-STORY OFFICE AND WAREHOUSE BUILDING WITH ASSOCIATED SITE IMPROVEMENTS. LOCATION: 14027 INTERURBAN AVE S VI. DIRECTOR'S REPORT VII. ADJOURN Tukwila City Nall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 - Website: TukwilaWA.gov City of Tukwila Allan Ekberg, Mayor Department of Community Development - Jack Pace, Director CITY OF TUKWILA PLANNING COMMISSION PUBLIC HEARING MINUTES Date: April 23, 2020 Time: 6:30 PM Location: Virtual meeting via Microsoft Teams Present: Chair Heidi Watters; Vice Chair Louise Strander; Martinez, Sharon Mann, Karen Simmons, Dixie c Staff: Protocol: Agenda Item: Adopt Minutes: Department of Community Development (DCD Dhaliwal, Planning Supervisor Lynn Mirank Secretary Wynetta Bivens Minnie Dhaliwal explained the protocol for introduced the Planning Commissioners. Planning Commission (PC) will City. City Council (CC) will hold anoth( notified when this i oes to the opportunity fore Commissioner to adopt y Director meeting. She also forward it to the ig on t7proposal. The public will be a publ c hearing and will have a second I February 27, 2020 minutes. ion. Motion passed. Chair Watters op blic for. CASE NUM L20-001 PURPOS Consider zo co amendments restricting or prohibiting certain auto- riented and ging uses currently prohibited by Ordinance 2620, to lement Tukwila International Boulevard (TIB) element of the e ive Plan. LOCATION: Nei ood Commercial Center (NCC) and Regional Commercial (RC) zones in t IB study area Lynn Miranda, Planning Supervisor, DCD, gave the presentation for staff. She said the intent of the public hearing is to consider amendments to Table 18-6, Land Uses allowed by district. This will ensure that future development in the TIB area is consistent with and supports the form and type of uses that create a walkable TIB District. She stated that public notification for the public hearing was published in the Seattle Times, and 387 businesses and interested parties were emailed. Information was included in the notice on Tukwila City Hall • 6200 Southcenter Boulevard • Tukwila, WA 98188 ■ 206-433-1800 • Website. TukwilaWA.gov PC Public Hearing 4/23/20 Page 2 how to submit public comments in writing or verbally during the meeting, and how to access the virtual meeting. She provided background and gave an overview on the TIB planning process. Since the 1990 annexation of the area, revitalization has been a high priority for the City. In 2015, the City updated the Comprehensive Plan goals and policies for the TIB area to make it more walkable and transform TIB from a regional serving road to a "Main Street" serving the borhood. In 2017 the City, along with the Congress for New Urbanism (CNU), held a w shop to brainstorm how to implement the new vision for TIB. CNU made two re endations: First, add on -street parking and bike lanes on TIB. Second, update the zoni co ause the current code allows for the types of uses and development standards that do fully s or incentivize the type and form of development that creates a walzA in street. Also, in 2017 the CC adopted a six-month moratorium on -oriei uses in the TIB study area that do not support the vision. uni moratorium for the past two and one-half years. It prohibited existing uses that do not support walkability and prevented the in be allowed in the future. It also allowed staff ti o establish new s rechannelization designs and allowed time for p . w and coi moratorium will expire in July 2020. Therefore, wa to hearing in order to stay on track before the morato in it . would replace the moratorium. Uses in the Neighbo d Com rcial Center (NCC) and the Regional Commercial (RC) zon' cts located in the TIB study area would be affected by the amendment. Staffs Recom commercial arrodgir been renewing the or the expansion of ent in uses that may not Oand TIB The current e tonight's public nine code amendments There are two op forVad, Table 18-6 in the zoning code. Option 1 would prohibit outri certain aut nteding uses, which is consistent with the moratorium. Staff reco ded Option 2, h uses based on draft zoning code changes recomme e NU to impl nt the vision. Under Option 1, most existing related uses would become a non-conf ing use. Under Option 2, most existing related uses would remain a legal use pote lly non -conforming structure. There are not any changes being proposed to allowable s, heights, parking standards or other development standards affecting building size o t design. Staff noted that if the moratorium is not renewed and the proposed zoning code amendments are not adopted, redevelopment could occur that does not support the vision. Future uses and development would continue to be the type of auto -oriented, regional development that currently exists. Staff noted they drafted and added Options 3 and 4 for recommendation for some of the land uses based on additional public comments. 2 Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website; TukwilaWA.gov PC Public Hearing 4/23/20 Page 3 Ms. Miranda answered clarifying questions for the Commission. Commissioner Stark asked what would happen if the public hearing was continued to a later date. Staff said a meeting would need to be held in May to complete the zoning code adoption process prior to the moratorium expiration date of July 9, 2020. Commissioner Reay inquired whether public outreach was sent out in differe guages. Staff stated it was not. She also inquired as to the timeframe for completion of t sign guidelines. Staff stated it was uncertain as it needed to follow Council's decision on on -street parking to TIB. Prior to the coronavirus, it was anticipated to occur before the d o ear. Chair Watters inquired as to why the PC were asked to review the CC now. Staff said a moratorium may not be renewAadditi Further, CC members were not interested in renewing th forward and get the zoning code adopted. Chair Watters development is affected by the decision being made and they are not being proposed at this time. Written Public Lynn Miranda read the written public following individuals: _ Georgina Kerr, for to y. Progress mu own. i o t is time to ve e transit -oriented the walkability. Staff stated 5 PM, 4/23/2020, from the by staff. ,osed zoning changes would have on the and a potential future transit -oriented l two options to modify staff s proposals. Pugh Hill Leary, ps. g a property north of the TIB Light Rail Station and City to move forward with zoning amendments that would Submitted two emails raising concerns regarding the necessity and timing of the public hearing and requested reconsideration to the proposed zoning changes in the RC district. Minnie Dhaliwal, Deputy Director, facilitated virtual public testimony. Virtual Public Testimony Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website; TukwilaWA.gov 3 PC Public Hearing 4/23/20 Page 4 Whit Hamlin, property owner, SRO, located east of the Rental Car Center said they have been working with DCD for a year on a potential TOD on their property. He shared what their organization has been working on in the interim. He said they are requesting modifications to the proposed zoning code language. Adul Yusef, General Manager for Eastside for Hire, said COVID-19 has changed a lot of things and he wanted to emphasize that with the restrictions of the zoning changes, ^ratorium ses may not make it after COVID-19. He said this might be the right time to renew the for six more months so discussions between the community and the PC can requested the public hearing be cancelled, he said voices are breakin meeting, and they are only able to comment on two of the zoning co heard about Options 3 and 4. Traci Granbois, property owner, said her written public c wanted to emphasize that the public hearing was being AMU She questioned how much public comment would be receivedl Tukwila citizens. She said to the best of her knowledge she has of the changes and learned of them through oth roperty own( duration of the moratorium and said the CC is o not cause a lawsuit. She said part of the area recomm de rental car facility, which will always have car u hatchet. She said there can be room for growth development while maintaining are as Jack McCullough, McC submitted. He said SRO pursue the TOD vision. viable economic usaM which in endorses Harman asked if there wouq height restriction so have not she INbf a global pandemic. and whether it was fair to •eceived a proposal on any 60ibmented on the rossh because it will likely the street from the ag a scalpel rather than a 'development and transit -oriented with the biggest uses in that industry. ,aid that f read the written comments that he jjj0dThpacts on their property and its ability to he TOD they need to be able to maintain a staff presented a new addendum to the staff report, ne of the issues they raised. He said that SRO Dr. Sidhu who is considering building a hotel in the area. She in the future that would allow modifications to the current rs would be allowed to construct a hotel in the area without requiring 100 rooms, a ant and a 24-hour reception if approved. She asked if amended later what would be theATeps taken to modify the height restrictions and requirements. Staff said the PC will be considering development standards in the future, and height restrictions will be part of the consideration at that time. Sunny Raj, property owner, said he is planning to construct a franchise hotel, and inquired on whether there are any other standards besides requiring a 100 rooms, a restaurant and a 24-hour reception that would apply to constructing a hotel in the future. Staff said development standards will be revised in the future. There were no additional public comments. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website; TukwilaWA.gov 4 PC Public Hearing 4/23/20 Page 5 Chair Watters gave the Commissioners the opportunity to ask clarifying questions. Commissioner Stark asked Commissioner Watters if the PC would have an opportunity to keep the public hearing open. Commissioner Reay said she was dropped from the virtual meeting and missed some of the public comments, and asked Mr. Hamlin to reiterate his comments. Mr. McC h spoke on behalf of Mr. Hamlin, he said they were in constant communication with st and ley received an addendum to the staff report that he presumed the PC also received. %'dSRIO was supporting Option 3. Ms. Reay also called attention to Mr. Yusef not* incrosoft Teams chat bar that he never received the notice. Ms. Miranda noted that she emailed the public notice to Mr. sef prior to the pub 7ng. Chair Watters asked staff to clarify how to proceed sm e de cluding Options 3 and 4 was not seen by everyone prior to the public hearing. Staff suggested leaving the public hearing ope til after staff wal h the 10 proposed land use changes and explained the options for he PC delib ed and the public were given an opportunity to comment. Ms. Miranda gave an overview of the following la se modi ations: 1. Automobile, recreational or travel trailers or sa?dd4l 2, but after receiving 4 as listed in the PC packet enclosed show 2. Rental o hicles not req PC p s Option 2, N recommen btion 3 as on parcels larglWn nine] vel trailer u d car sales lots (no dismantling of cars Staffs rec mendation in the PC packet was Option ey developed and recommended Option ;x all uses on properties of south SR518 from an a coO fhercial driver's license. Staff s recommendation in the er receiving additional public comments they developed and ;d in the PC packet addendum (exempts enclosed showrooms in the RC zone, such as the SRO property). 3. Automotive service (outside pumps allowed), washing, body and engine repair shops (enclosed within a ding), and alternate fueling station (not wholesale distribution facilities). Staff s recommendation in the PC packet was Option 2, but after receiving additional public comments they developed and recommended Option 3 as listed in the PC packet addendum (allows outdoor storage of vehicles on parcels larger than nine acres in the RC zone south of SR518). 4. Commercial parking (a use of land or structure for the parking of motor vehicles as a commercial enterprise for which hourly, daily, or weekly fees are charged) (TMC 18.06.613). Staff recommended Option 2 as listed in the PC packet. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website; TukwilaWA.gov 5 PC Public Hearing 4/23/20 Page 6 5. Extended -stay hotel/motel - Staff recommended Option 2 as listed in the PC packet. Commissioner Mann said she is uncomfortable with this change without more clarification on what qualifies as a restaurant. 6. Hotels - Staff recommended Option 2 as listed in the PC packet. 7. Motels - Staff recommended either Option 1 or 2 as listed in the PC 8. Restaurants including drive through, sit down, cocktail lounges in co ion with a restaurant. Staff recommended Option 2 as listed in the PC pac 9. Retail sales, e.g. health/beauty aids/prescription drugs/food/ rye/notions crafts/supplies/housewares/electronics/photo-equip/film cessing/ books/magazines/stationery/ clothing/shoes/flowers/pl pets/je lry/gifts/rec. equipment/sporting goods, and similar items. Staff r o de ion 2 as listed in the PC packet. 10. Financial, banking, mortgage, other service taff recommend t' 2 as listed in the PC packet. Ms. Dhaliwal called names of the public that to comment on new information. Traci Granbois asked how 4?eonelUld have kn4 with SRO. She said the we only li Options 1 Options 3 and 4. them the opportunity out Options 3 and 4 if they were not 2. She also asked if CC had reviewed Staff said Options keexIHIIIddedafter receiving written public comments. This is typical proced o thatthe o address them during the public hearing process. The City At ey will reviemen ents prior to the ordinance. Ricardo FrazelWed what wi�appen to the non -conforming hotel on the site, which Ms. Miranda ad( sseaRlik Abdul Yusef said thereIrnig disconnect, he said he heard about the public hearing two hours prior to it starting, and reached out to minority businesses in his neighborhood who had not heard about the public hearing. He said they never received the notice and had no idea about the changes. He stated he is concerned that huge changes are being made to their businesses and they need time to communicate and gave their comments, he would like time to be given to the business owners. There were no additional public comments. Chair Watters closed the public hearing, then reopened the public hearing. Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website; TukwilaWA.gov 6 PC Public Hearing 4/23/20 Page 7 The Commissioners were in consensus that the public hearing be continued to May 28th and understand there may need to be another virtual meeting. In addition to placing a notice in the Seattle Times and emailing businesses and interested parties, staff will provide post card notification to business owners, although businesses are closed. Commissioner Simmons asked Mr. Yusef for the name of his business, as well as the name of the other businesses that would be impacted by the changes. Mr. Yusef said t Me of his business is Eastside for Hire and noted three other auto -related businesses i e area. Commissioner Strander said the addendum received prior to the pu e was not published in the packet and so the public hearing should be contin e the pu as a chance to respond. She asked for staff s response on the email regardin ng a virtua ng. Staff said the City Attorney confirmed a virtual meeting is in com nce with the Govern er. Commissioner Mann said considering that people are s y�i four businesses are being impacted by a major decision, she continued. Commissioner Martinez said Mr. Yusef aniqle t impact of this meeting. He said there are Ian conveyed to the community/businesses. He it is proper to hold the virtual meeting. He said the public may provide comments. - Commissioner Stark exnaM needs to be continued. S ere steps be taken for the public to proposing an call. She 0 May, would th, to meet the dea appreciates the s) Wk receive notice and meeting should be xdinVKe importance and I t information needs to be the City Attorney indicating should be left open so the about holdijrhis meeting and agreed the meeting p the packet and reissue, and that proper iea Wthe said given the circumstances she is y had a)pss up qurtion for Ms. Granbois, who appeared to have left the what twould be if an in -person public hearing cannot be held in anoth1 meeting, and inquired about timeframe. Staff said in order 41t a earing must be held in May. Commissioner Reay said she e to notify the businesses, but part of the outreach issue was compounded by some bWsses being closed. She did not have any questions for staff regarding the recommendations. e thinks the public hearing should remain open because of the situation and for equity, with the understanding there would have to be another virtual meeting. Commissioner Simmons suggested leaving the public hearing open because of the impacts already seen on small business and COVID-19. She noted that over communication may be necessary because there was such a large issue in the past where people did not feel like they were included in the public process. Commissioner Watters said this is an important issue and it is impactful on the community. Further, the moratorium has been extended for a long time. She said it makes sense to extend the Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website; TukwilaWA.gov 7 PC Public Hearing 4/23/20 Page 8 hearing because of challenges with language barriers and businesses being closed. She said she appreciates staff s efforts and requested that staff elaborate on outreach efforts and asked to hear more about targeted outreach considering the COVID-19 situation. She hopes to hold the continuation in May and mentioned that receiving addendums at the last minute is part of the public hearing processes. Although it does make it hard sometimes, she said they do review options with a scalpel instead of a hatchet, and it does require two meetings on occasion. Commissioner Strander asked for clarifying questions on land use items Commissioner Mann asked clarifying questions and provided and 6. She was interested in a full -service hotel and suggested i qualifies as a restaurant. She expressed interest in allowing drii the NCC zone, such as a coffee shop for item 8. Id Commissioner Martinez expressed concern with the re of and would like for the City Attorney to review that as well as the new drive -through restaurants being elimim TIB service everyone in Tukwila and that some Commissioner Stark inquired whether there is than the CNU study? She also s�rees N Commissioner Reay conimel important pre-COVID-19 and development becayagoftg for item 2 should I non -conforming use provide more history Director's Report on items 5, in ssed concern with it is important that dopment study or plan other Simmons regarding the drive - afor economic development and very ry tary to be nimble and flexible with economic She also inquired whether on -street parking for extra notification and to find some key help for is added. She inquired whether the recommendation 4. She expressed concern with the six-month timeframe for ded extending it due to COVID-19. She also suggested staff Staff provided status on the Bellwether trees. Action Item - Commissioner Martinez requested that staff send the plans they approved as part of the design review to the Commissioners. Staff provided status on how staff is working remotely and maintaining a virtual permit center - Staff provided information about Sound Transit's I-405 BRT project Adjourned - 9:45pm Submitted by: Wynetta Bivens, Planning Commission Secretary Phone: 206-433-1800 • Email: Mayor@TukwilaWA.gov • Website; TukwilaWA.gov 8 City of Tukwila Allan Ekberg, Mayor • . Department of Community Development - Jack Pace, Director Hearing Date: File Number: Associated Permits: Applicant: Staff Report to the Board of Architectural Review Design Review for Greenwood Heating Prepared July 13, 2020 July 23, 2020 L20-0011 Design Review E20-0002 SEPA Decision L20-0016 Special Permission Greenwood Heating Request: Proposal to construct a new 2 story office, 1 story warehouse building with associated parking, truck maneuvering areas, landscaping, storm drainage and utility improvements. Location: 14027 Interurban Ave S, Tukwila WA 98168 Parcel #s 3365900830, 3365900845, 3365900850 and 3365900855 Comprehensive Plan/ Zoning Designation: Regional Commercial Mixed Use (RCM) Environmental Review: Determination of Non -Significance provided June 11, 2020 Public Notice: Notice of Application was posted on site and mailed to surrounding property owners, tenants, and agencies with jurisdiction on February 28, 2020. Notice of BAR public hearing was posted in the Seattle Times and mailed to property owners and tenants within 500 feet of the property and agencies with jurisdiction on July 9, 2020. Public Comment: The Duwamish Tribe provided a letter on March 12, 2020 following review of the cultural report indicating that the findings and recommendations of the document were acceptable. No additional comments were received. Recommendation: Staff recommends approval of L20-0011 Design Review. Staff Contact: Max Baker, Senior Planner Attachments: A. Site Plans B. Landscaping Plan C. Lighting Plan D. Building Elevations and Renderings E. Duwamish Tribe Response to Review of Cultural Report Tukwila City Nall • 6200 Southcenter Boulevard • Tukwila, WA 98188 • 206-433-1800 • Website: TukwilaWA.gov 9 L20-0011 Staff Report 2 FINDINGS Proiect Descriotion The applicant is proposing an office and warehouse project. The 15,703 square foot building will consist of a one story warehouse (6,739 sf) and a two story office space (8,964 sf) with 53 parking spaces, 13 of which are flexible spaces to be used as loading docks for the warehouse, as needed. The project will be located on a 73,500 square foot lot. The site currently consists of four parcels that are to be consolidated (the permit for which has not been applied for at date of this staff report): 3365900830, 3365900845, 3365900850 and 3365900855. The existing vacant building on parcel 3365900830 will be demolished. In addition to building construction the project will include grading activities, stormwater facilities, water and sanitary sewer connections, new paved vehicular parking and truck loading areas and franchise utility improvements. A Category IV wetland area is located on the southwest corner of the site. An existing paved parking area encroaches into the 50' wetland buffer and will be maintained but not be expanded as part of the project; a Special Permission — Sensitive Areas permit to waive the 15' wetland buffer building setback has been approved by the DCD Director under permit L20-0016. A boundary line adjustment or lot combination will be processed to configure lots to conform with the proposed site development. LaM PoST <F) R�aER R,xE e� ,REE PLµTfRS /� BKF RnLK 1e•-0 3�F' —�V iLP J j � a a.k Liio siEMi ..rr e � a c..a v� ivy yr e 1 I I I o v I I I I �oAoH _ _ _ _ a.P I I I i I w `RfxousE 2- WRT OFFIG¢ MILVIKG tea sr I ! I I I Gn+ee � I I i � I 1RASN ExLLOSi.RE � ' 13' HQ0.GU ' RE i 11 I EHLLOS LbLS[MRG YEHCLE WTE5 I --------------- c — -------- J i n_ vG9CMF eurza_..—'... L---. ..------- -------- ----- ..--------._.._.._.._.._.._.._.._..—.__.._.._.._.._.. _.._.._.. _.._.._.. Fig. 1: Proposed site plan Zoning The proposed site is located within the Regional Commercial Mixed Use (RCM) district. The subject property is in a mixed commercial and warehouse area along Interurban Ave S. To the west of the parcel and at a higher elevation, 10 L20-0011 Staff Report 3 the area is zoned for low density residential (LDR) and high density residential (HDR). The proposed uses, Office and Warehouse, are permitted without conditions in the RCM district. 1did1 Fig. 2: Zoning Map Existing Conditions V1 14082 La> 100 The site was most recently used for the Horizon Ford auto dealership but has been vacant since 2019; the existing building on parcel 3365900830 was previously used for Horizon Ford's offices and will be demolished. The site is generally flat with the steepest slope being about 5%. The site currently has three access points off Interurban Ave S; these will be consolidated into two access points as part of the redevelopment project. King County Metro bus stops are located to the east on Interurban Ave S. near S 151't St. To the south and west of the project parcel are patches of undeveloped forest within a steep slope area. The remaining topography on the site is generally flat with an elevation of 21 feet. 11 L20-0011 Staff Report 4 Fig. 3: Aerial of project site. Existing building located at northern corner of site. Forested area and wetland located along southwest corner. Fig. 4: View of existing development/site looking southeast from Interurban Ave S. Development Standards - Regional Commercial Mixed Use The following standards apply to projects within the Regional Commercial Mixed Use for which the site is zoned. A discussion of project compliance or incompliance follows: • Setbacks, minimum: • Front: 20' - Complies 12 L20-0011 Staff Report 5 • Second Front: 10'— Complies • Sides: 10'— Complies • Sides, if any portion of the yard is within 50 feet of LDR, MDR, HDR: First Floor 10', Second Floor 20', Third Floor 30' —Complies • Rear: 10'— Complies • Rear, if any portion of the yard is within 50 feet of LDR, MDR, HDR: First Floor 10', Second Floor 20', Third Floor 30' - Complies • Height, maximum: 3 Stories or 35' — Complies • Off Street Parking —Complies • Warehousing: 1 per 2,000 square feet usable floor area. Proposed 6,739 sf warehouse requires 3 parking spaces. • Office: 3 per 1,000 sq. ft. usable floor area minimum. Proposed 8,964 sf office requires 26 parking spaces. • Total of 29 parking spaces required. Project will provide 59 parking spaces onsite. • Landscaping (see Attachment B): • Front: 10'— Complies. • Side: 5'— Complies • Rear: 10'— Complies • Parking Lot Landscaping: 20 per stall adjacent to street; 15 per stall if parking is placed behind building —Complies. Design Review and Decision Criteria 1. Relationship of Structure to Site o The site should be planned to accomplish a desirable transition with streetscape and to provide for adequate landscaping and pedestrian movement: The project will provide a direct pedestrian connection from Interurban to the main building entrance. As required by Per TMC 18.56.040.7.e, where pedestrian walks are used in parking lots for the use of foot traffic only, they shall be curbed or raised six inches above the lot surface; the applicant has provided a raised pathway that will effectively act as a speed bump for cars moving through the parking lot, see Fig. 5. Fig. 5: Building main entrance and raised concrete walkway connecting to Interurban Ave S through front parking area. 13 L20-0011 Staff Report o Parking and service areas should be located, designed and screened to moderate the visual impact of large paved areas: The proposed project's site design and landscaping effectively conceals large paved areas. A large portion of the parking is located on the western portion of the site and screened by the proposed building, see Fig. 6. Parking areas to the south and east include perimeter and interior landscaping as required by TMC 18.52, breaking up the appearance of large paved areas in these locations. Landscaping along the eastern property line between Interurban Ave S and the parking lot will also provide sufficient screening from the streetscape while still providing views into the site. - J'rl�liri/i. RE i !� y ■■ on Em mt WAREHOUSE 2—STORY OF -ICE 91JILDING u r i �r s�J`;•.. Fig. 6: Landscaping Plan o The height and scale of each building should be considered in relation to the site: Per TMC 18.26.080, the height limit for Regional Commercial Mixed -Use is 35 feet or 3 stories; the proposed structure is to be two stories and 28 feet at its highest point, meeting the district development standards. The height and scale of the proposed building is also similar to neighboring buildings on the block, all of which are 1-2 stories in height. 2. Relationship of Structure and Site to Adjoining Area o Harmony of texture, lines and masses is encouraged: The mass and scale of the building is consistent with the surrounding commercial area. The proposed structure will be 19' tall along the one story warehouse section and 28' tall along the two-story office building section. The building lines and masses of the neighboring structures are similar to those of the proposed 15,703 sf building; Riverside Casino and Great American Casino across Interurban from the site 14 L2O-0011 Staff Report are one-story buildings with square footages of 16,460 and 15,657 sf, respectively. The neighboring Fortune Casino to the north of the project site is also a one-story building, at 4,280 sf. o Appropriate landscape transition to adjoining properties should be provided: The project is required to comply with the requirements of TMC 18.52.030: Perimeter and Parking Lot Landscaping Requirements by Zone District. For projects in the RCM district, 10' of Type I front yard landscaping, 6' of Type II side yard landscaping (increased to 10' if any portion of the yard is within 50' of LDR, MDR, or HDR), and 0' of Type II rear yard landscaping (increased to 10' if any portion of the yard is within 50' of LDR, MDR or HDR) is required. The proposed project provides Type II perimeter landscaping along the southeastern side yard (10' due to proximity to LDR zoning) and northwestern side yard (5') consisting of small trees and shrubs, providing an appropriate transition between the property and adjacent properties. The southwestern boundary line provides 10' of landscaping at the parking area's edge within the wetland buffer that consists of native plants (Sitka spruce trees and native grasses). 1 b, I I � I I � Wurhouar 1 3-3°ory 0113aRSUIWI p � � ', I -11 0 � �' t�� A f 1 10. 0, i�,�ltll�i�l,�� Al2 91a 8° nP.11 E I Calego*y anil��',8n A-2 I A.s kit ' —6,705 5F Onsitr • . �+ A-7 A-] Y,g s �, Al 31a� �• a. �. 3a �� 0 20 40 80 Fcct I I I I I I I I I NOTE: Building 8ctback Waiver on Dtrectun Approval Pct TMC 18.45.080.E.2 Fig. 7: 10" native landscaping area colored in orange. o Public buildings and structures should be consistent with the established neighborhood character: The proposed project is consistent with the established neighborhood character. The block is zoned Regional Commercial Mixed -Use, a district type that is intended to promote attractive development, an open and pleasant street appearance, and compatibility with adjacent residential areas. The redevelopment of the site to current standards will significantly improve Interurban Ave's streetscape while also providing vegetated buffers between neighboring properties. Nearby properties across Interurban Ave S are zoned Commercial/Light Industrial (CLI). This zone is intended to provide for areas characterized by a mix of commercial, office, or light industrial uses. The 15 L20-0011 Staff Report 8 development of the site for Greenwood's office and warehouse needs will also align well with uses intended for the CLI district. o Compatibility of vehicular pedestrian circulation patterns and loading facilities in terms of safety, efficiency and convenience should be encouraged: Vehicular circulation patterns are designed for safety, efficiency and convenience; most of the office traffic will be in the front of the building and majority of the loading/vehicles will be in the rear. Pedestrian pathways are clearly indicated with raised pathways through the parking area. o Compatibility of on -site vehicular circulation with street circulation should be encouraged: The existing three curb cuts along Interurban Ave S have been consolidated into two, effectively reducing the potential for traffic conflicts for cars entering and exiting the site. Service trucks will mainly be directed to the rear of the building (blue area, Fig. 8) while the front of the building will be reserved for office traffic and parking. NTERNtBAN AYENUE 90NTH ------------------------------------------------------------------------- r tu[[ & & t I I i ia�o,nvN o icy I I � I I I I I I I I I I I I I NaNGN 'aE 2-ST UI-ING I i 1.115s I s ! I I I �xw•1xR wyllpw yIII I I I i ens I i 11 I TM ' wucu I I i I I i--------------------------------------------------------- i o Fig. 8: Traffic layout (service parking area shaded in blue) Landscaping and Site Treatment o Where existing topographic patterns contribute to beauty and utility of a development, they should be recognized, preserved and enhanced: The site is relatively flat throughout development area; no changes to site topography outside of the existing paved area and/or along the steep slope along the southwestern boundary line are proposed. Existing vegetation in the rear will be preserved and maintained, with a 10' landscaping/buffer enhancement area consisting of native plant species provided along the edge of the parking area within the wetland buffer. 16 L20-0011 Staff Report 0 o Grades of walks, parking spaces, terraces and other paved areas should promote safety, and provide an inviting and stable appearance: The pedestrian pathway connecting to the front entrance of the building from the sidewalk along Interurban Ave S will be constructed of concrete to contrast with the asphalt areas of the parking lot, adequately delineating travel paths for all users. This walkway will also be raised 6" above the drive -aisle elevation to provide a safe pathway through the parking lot. o Landscape treatment should enhance architectural features, strengthen vistas and important axis, and provide shade: Landscaping within employee/public parking area signifies the northeastern elevation of the structure as the main entrance. The main pedestrian pathway through this area is framed with landscaping on either side and paved with contrasting concrete to help guide users to the building's public and office entrance. o In locations where plants will be susceptible to injury by pedestrian or motor traffic, mitigating steps should be taken: Landscaping areas, both along the perimeter and within the parking lot, will be protected from pedestrian and motor traffic by curbs throughout. A pedestrian walkway connecting the main entrance to the sidewalk on Interurban Ave S is located to provide the shortest connection possible to help prevent users from cutting through landscaped areas to access the building. o Where building sites limit planting, the placement of trees or shrubs in paved areas is encouraged: The site does not limit planting ability; the project will provide trees and shrubs within and adjacent to parking areas at required ratios as set forth in TMC 18.52. o Screening of service yards and other places that tend to be unsightly should be accomplished by use of walls, fencing, planting or combination: The service yards/loading area for service trucks will primarily be located to the rear of the building and will be secured with chain link fencing and vehicle gates, see Fig. 9. Chain link fencing will include black vinyl screening to better screen the service yard. Fig. 9: Chain link fence to be used around service yard. Black vinyl screening to be installed to provide visual screening. 17 L20-0011 Staff Report 10 o in areas where general planting will not prosper, other materials such as fences, walls and pavings of wood, brick, stone or gravel may be used: Structural soils are required to support plant health within paved areas while also protecting the public sidewalks and site pavement areas from buckling and lifting due to root growth. Irrigation throughout landscaping areas will ensure plant survival during dry season (see Attachment B). A split -rail fence with signage indicating the presence of a wetland will be constructed along the edge of the paved area on the western portion of the development to signify the area's environmental significance and ensure that the wetland area is not disturbed as required under Special Permission — Sensitive Areas permit L20-0016. o 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: Exterior lighting design is compatible with the industrial modern design of the overall building. Lighting along the entrance will work to accentuate the pedestrian pathway and main entrance. Lighting to the rear of building will be shielded and located to reduce spillover impacts to the adjacent wetland and its buffer. See Attachment C for lighting plan. Fig. 10: Proposed exterior lighting designs. Building Design o Architectural style is not restricted; evaluation of a project should be based on quality of its design and relationship to its surroundings: The proposed design is described as industrial modern and implements quality materials such as metal panels, manufactured wood material, and concealed fasteners to enhance horizontal lines. The new structure and site improvements will enhance the corridor by redeveloping and bringing into conformance a site that has not seen many improvements in recent years. o Buildings should be to appropriate scale and in harmony with permanent neighboring developments: The building use is permitted in this zone. The height, lot coverage and setbacks meet basic developments standards as well as fit in with the characteristic of the neighborhood. The proposed structure will be 19' tall along the one story warehouse section and 28' tall along the two-story office building section. The building lines and masses of the neighboring structures are similar to those of the proposed 15,703 sf building; Riverside Casino and Great American Casino across Interurban from the site are one-story buildings with square footages of 16,460 and 15,657 sf, respectively. The neighboring Fortune Casino to the north of the project site is also a one-story building, at 4,280 sf. L20-0011 Staff Report 11 o 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: The windows of the office portion of the building are located to provide symmetry. The second and third floor windows are of the same size and located directly above/below one another except for the second story window above the main entrance; this window will be slightly wider than the others and aligned directly above the main entrance, accentuating the significance of the entrance itself. The warehouse section will utilize narrower horizontal windows to provide natural lighting into the space while reducing exterior views into this more industrial portion of the structure. Awnings along this section will also emphasize the horizontal design of this portion of the building while providing weather protection on the ground for users loading materials into vehicles from warehouse. Fig. 11: Building elevation, main entrance. o Colors should be harmonious, with bright or brilliant colors used only for accent: The proposed structure utilizes a combination of materials and colors reminiscent of the Pacific Northwest; manufactured wood and zinc gray metal siding, black window frames, and composite stone concrete masonry units. No bright colors are proposed. Fig. 12: Material and colors board. 19 L20-0011 Staff Report 12 o Mechanical equipment or other utility hardware on roof, ground or buildings should be screened from view: Rooftop mechanical equipment will be placed toward back of building and screened with parapets to reduce visibility from Interurban Ave S, see Fig. 13. ►-►g. 13: HVAC location. o Exterior lighting should be part of the architectural concept. Fixtures, standards, and all exposed accessories should be harmonious with building design: Exterior lighting design is compatible with industrial modern design of overall building, see Fig. 10. o Monotony of design in single or multiple building projects should be avoided. Variety of detail, form and siting should be used to provide visual interest: The proposed structure provides visual interest in multiple ways. Vertical modulation has been incorporated by setting the main entrance 14' back and half of the warehouse facade 20-24' back from the rest of the building, see Fig. 14. Materials are varied along the building facade, with zinc gray metal siding used as the primary siding material, java wood siding used as an accent around the main entrance, CMU natural veneer used along extent of parking area adjacent to the warehouse, and black steel and aluminum used for awnings and window trims. PROPOSED 70.7-1 ASPHALT r PAVEMENT IVA V21.294 ■ ■ i'rWir- OEM- ll■CD .4FI� PROPOSED ASPHALT PAVEMENT Fig. 14: Building Modulation. Miscellaneous Structures and Street Furniture o Miscellaneous structures and street furniture should be designed to be part of the architectural concept of design and landscape. Materials should be compatible with scale should be appropriate, colors should be in harmony with buildings and surroundings, and proportions should be to scale: 20 L20-0011 Staff Report 13 A concrete masonry unit (CMU) block trash enclosure with steel tube framed gate leaf and posts is proposed. Enclosure size and design is based on the recommendation of Waste management. The gate leaf will be finished with a corrugated metal face, CMU blocks will match the building, and post will be finished with a black finish. However, no elevations/images have been provided as part of the design review application; an elevation of the trash enclosure will be required as part of the development permit to ensure enclosure design is consistent with overall building design. o Lighting in connection with miscellaneous structures and street furniture should meet the guidelines applicable to site, landscape and buildings: Lighting is proposed to provide a safe pathway for those accessing waste enclosure from building without creating offsite impact, see Attachment C. PUBLIC COMMENTS The Duwamish Tribe provided a letter on March 12, 2020 following review of the cultural report indicating that the findings and recommendations of the document were acceptable. No additional comments were received. CONLUSIONS Commercial and Light Industrial Design Review Criteria Relationship of Structure to Site • The existing site is relatively flat; no major changes to site topography are proposed. • Drive aisles and landscaping help to separate the employee/visitor parking area from the service yard at rear of building. • Proposed landscaping on all sides of the building help to soften the built environment, provide screening, and are consistent with TMC requirements for RMC zoning district. Relationship of Structure and Site to Adjoining Area • The site design provides an easily understood arrangement of structures, landscaping, and circulation. • A raised concrete pathway is provided between Interurban Ave S and main building entrance through parking area to better denote pathways and to provide a continuous level surface for users. Landscaping and Site Treatment Landscaping is in compliance with the relevant Tukwila Municipal Code standards. The City's Urban Environmentalist has reviewed and approved proposed plant species, siting and materials to ensure appropriate spacing. The perimeter landscaping follows a coherent design concept, which will soften the impact of the development on surrounding properties. Existing vegetation in the rear will be preserved and maintained, with a 10' landscaping/buffer enhancement area consisting of native plant species provided along the edge of the parking area within the wetland buffer as required by Special Permission - Sensitive Areas permit L20-0016. • A black chain link fence with vinyl slats will be installed to screen service yard at rear of building. Building Design • Structure height, length, and setback requirements are in compliance with the RCM development standards. 21 L20-0011 Staff Report 14 • Mechanical equipment is adequately screened from Interurban Ave A S. The color palette features neutral colors with accent colors that are appropriate to their intended use and location. Materials are varied between siding, awnings, and the loading canopies while keeping the visual impact on surrounding properties to a minimum. The design of windows and entrance canopies along Interurban Ave S elevation adequately emphasize the office structure and main building entrance. Miscellaneous Structures and Street Furniture • Trash enclosure matches overall building design and utilizes resilient materials. • Lighting is proposed to provide a safe pathway for those accessing waste enclosure from building without creating offsite impacts. RECOMMENDATION Staff recommends approval of the Design Review application with the following condition: 1. Elevations of the trash enclosure will need to submitted as part of the development permit to ensure enclosure design is consistent with overall building design. INFORMATIONAL Development Permit and/or Public Works permit may not be issued until Lot Consolidation Permit is recorded with King County. 22 T-30' 0 15 30 60 LEGAL DESCRIPTION: HORIZONTAL DATUM: DATE OF SURYLY: (PER FIDELITY NATIONAL TITLE COMPANY OF HORIZONTAL DATUM FOR THIS SURVEY IS NAD THIS SURVEY REPRESENTS VISIBLE PHYSICAL WASHINGTON COMMITMENT NUMBER 611222796, 83/91 PER WSDOT. WSDOT CONTROL POINT IMPROVEMENT CONDITIONS EXISTING ON COMMITMENT - SECOND, DATED OCTOBER 24, N0. 5272 (IS17161) WAS HELD FOR POSITION, DECEMBER 12, 2019. ALL SURVEY CONTROL 2019 AT 8:00AM) AND A LINE BETWEEN SAID POINT N0. 5272 INDICATED AS "FOUND" WAS RECOVERED FOR (IS17161) AND CONTROL POINT NO. 5285 THIS PROJECT IN DECEMBER OF 2019. PARCEL A: (IS1 ]174) WAS HELD FOR ROTATION, BEING LOTS 14 THROUGH 18, BLOCK 8, HILLMAN'S SOUTH 18'39'11 EAST. SURJEDI NOTES ALL SEATTLE GARDEN TRACTS, ACCORDING TO THE VERTICAL DATUM: ALL DISTANCES SHOWN HEREON ARE PLAT THEREOF RECORDED IN VOLUME 11 OF VERTICAL DATUM FOR THIS SURVEY IS NAVD GROUND MEASUREMENTS IN U.S. SURVEY FEET. PLATS, PAGE 24, RECORDS OF KING COUNTY, 88 PER WSDOT. WSDOT VERTICAL CONTROL THE BOUNDARY CORNERS AND LINES WASHINGTON; POINT NO52]2 (151 ]161) WAS HELD FOR DEPICTED ON THIS MAP REPRESENT DEED . EXCEPT THOSE PORTIONS THEREOF PS ELEVATION, BEING 173.723'(NAVD 88) LINES ONLY, AND DON'T PURPORT TO SHOW CONDEMNED FOR INTERURBAN AVENUE SOUTH OWNERSHIP LINES THAT MAY OTHERWISE BE (SR 181) BY DECREE ENTERED IN KING LOT AREA: DETERMINED BY A COURT OF LAW. NO COUNTY SUPERIOR COURT CAUSE NUMBER 73,500 B S.F. (1.687 AC f) IMPLIED. OF OWNERSHIP IS EXPRESSED OR 09001. UNDERGROUND UTILITIES AND FEATURES PARCEL B: ADDRESS: DEPICTED HEREON ARE BASED ON FIELD 14027 INTERURBAN AVENUE SOUTH, TUKWILA, OBSERVATION, MARKINGS, DEVELOPMENT PLANS, LOTS 19 AND 20, BLOCK 8, HILLMANCORDING T WA 98168 PLAT GARDEN TRACTS, ACCORDING TO THE AND/OR AVAILABLE RECORD DOCUMENTS ONLY. PLAT THEREOF RECORDED IN VOLUME 11 OF TAX PARCEL NUMBER: THE TRUE LOCATION, NATURE AND/OR PLATS, PAGE 24, RECORDS OF KING COUNTY, 336590-0830 EXISTENCE OF BELOW GROUND FEATURES, WASHINGTON; 336590-0830 DETECTED OR UNDETECTED, SHOULD BE EXCEPT THOSE PORTIONS OF SAID LOTS 19 VERIFIED. AND 20 AS CONDEMNED FOR INTERURBAN 336590-0855 THE LEGAL DESCRIPTION AND SPECIAL AVENUE SOUTH (SR 181) BY DECREE ENTERED 336590-0855 EXCEPTIONS SHOWN HEREON ARE PER THE IN KING COUNTY SUPERIOR COURT CAUSE REFERENCE SURVEYS: ABOVE REFERENCED TITLE REPORT UNLESS NUMBER 109001; OTHERWISE NOTED. RECORD OF SURVEY AM. 9904129001 (R1) THIS SURVEY HAS DEPICTED ALL VISIBLE AND EXCEPT THAT PORTION OF SAID LOT 20 CONVEYED FOR INTERURBAN AVENUE SOUTH OCCUPATIONAL INDICATORS (IE. FENCE LINES, (SR 181) BY DEED RECORDED UNDER BUILDINGS, WALLS, ETC. - SEE MAP FOR RECORDING NO. 1013509. PARTICULARS) PER W.A.C. 332-130. LINES OF SPECIAL EXCEPTIONS: (PER FIDELITY NATIONAL TITLE COMPANY OF WASHINGTON COMMITMENT NUMBER 611222796, COMMITMENT - SECOND, DATED OCTOBER 24, 2019 AT 8:OOAM) 1. ANY RIGHTS, INTERESTS, OR CLAIMS WHICH MAY EXIST OR ARISE BY REASON OF THE FOLLOWING MATTERS DISCLOSED BY SURVEY, RECORDING DATE: APRIL 12, 1999 RECORDING NO.: 9904129001 MATTERS SHOWN: A GARAGE APPURTENANT TO THE SUBJECT PROPERTY IS 0.6 FEET OVER THE SOUTHEASTERLY LINE OF PARCEL B (SHOWN HEREON) SAID GARAGE NO LONGER EXISTS 2. COVENANTS, CONDITIONS AND RESTRICTIONS BUT OMITTING ANY COVENANTS OR RESTRICTIONS, IF ANY, INCLUDING BUT NOT LIMITED TO THOSE BASED UPON RACE, COLOR, RELIGION, SEX, SEXUAL ORIENTATION, FAMILIAL STATUS, MARITAL STATUS, DISABILITY, HANDICAP, NATIONAL ORIGIN, ANCESTRY, SOURCE OF INCOME, GENDER, GENDER IDENTITY, GENDER EXPRESSION, MEDICAL CONDITION OR GENETIC INFORMATION, AS SEf FORTH IN APPLICABLE STATE OR FEDERAL LAWS, EXCEPT TO THE EXTENT THAT SAID COVENANT OR RESTRICTION IS PERMITTED BY APPLICABLE LAW, AS SET FORTH IN THE DOCUMENT RECORDING DATE: NOVEMBER 30, 2017 RECORDING N0: 20171130002195 (NOT PLOTTABLE) CREATES USE RISTRICDON EXISTING LEGEND COVERFSHEET GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON OCCUPATION, AS DEPICTED, MAY INDICATE z AREAS OF POTENTIAL CLAIMS OF UNWRITTEN OWNERSHIP. THIS SURVEY HAS ONLY DEPICTED w THE RELATIONSHIP BETWEEN LINES OF S W OCCUPATION AND DEEDED LINES OF RECORD. NO RESOLUTION OF OWNERSHIP BASED ON UNWRITTEN RIGHTS HAS BEEN MADE BY THIS VJ SURVEY OR BY ANY PERSONNEL OF BARGHAUSEN CONSULTING ENGINEERS, INC. THIS IS A FIELD TRAVERSE SURVEY. p W SPECTRA PRECISION FOCUS 30, TOPCON GR5 w CPS AND SPECTRA PRECISION RANGER DATA COLLECTOR WAS USED TO MEASURE THE O ANGULAR AND DISTANCE RELATIONSHIPS BETWEEN THE CONTROLLING MONUMENTATION V AS SHOWN. CLOSURE RATIOS OF THE TRAVERSE MET OR EXCEEDED THOSE SPECIFIED In g IN W.A.C. 332-130-090. ALL INSTRUMENTS p AND EQUIPMENT HAVE BEEN MAINTAINED IN ADJUSTMENT ACCORDING TO MANUFACTURERS' i SPECIFICATIONS AND USED BY APPROPRIATELY TRAINED PERSONNEL. �e°"°n INTERURBAN AVENUE SOUTH ,,„, v� a • w,.. we 1 m®m m n — - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - m,,Tn - - - - — o Al ah- - - - - - - - - - - - - - - - - - - - ON SUBJECT PROPERLY ITEMS 3 THROUGH 8 ARE NOT SURVEY RELATED. SEE THE TITLE REPORT FOR THE CONSTRUCTION SEQUENCE DETAILS ON THESE ITEMS. 1. SCHEDULE AND ATTEND PRE -CONSTRUCTION MEETING WITH CITY OF TUKWILA OFFICIALS. 9. ASSIGNMENT OF RENTS AND LEASES: ASSIGNED To: READYCAP LENDING, JUG 2. FLAG AND FENCE CLEARING LIMITS. ASSIGNED BY: W.S. CAPITAL VENTURES LLC A LIABILITY COMPANY WASHINGTON LIMITED NY 3. INSTALL TESC MEASURES INCLUDING SILT FENCE AND CONSTRUCTION ENTRANCE RECORDING DATE: NOVEMBER 30' 2017 RECORDING NO.: 2017 1 130002197 PER APPROVED PLANS AFFECTS: PARCEL B (NOT PLOTTABLE) 4. CITY REPRESENTATIVE TO INSPECT AND APPROVE INSTALLATION OF TESC MEASURES BEFORE SITE WORK AND GRADING WILL BE ALLOWED TO BEGIN. ITEMS 9 THROUGH 12 ARE NOT SURVEY T RELATED. SEE THE TITLE REPORT FOR THE 5. CONTRACTOR TO MAINTAIN FIRE AND EMERGENCY VEHICLE ACCESS TO THE EXISTING DETAILS ON THESE ITEMS. BUILDING TO THE NORTH AT ALL TIMES DURING CONSTRUCTION. CONTRACTOR TO MAINTAIN AND PROTECT ACCESS TO EXISTING FIRE HYDRANTS. 6. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH CITY OF TUKWILA AND MANUFACTURER'S RECOMMENDATIONS. m POWER JUNCTION BOX © POWER VAULT o-o STREET LIGHT FAI POWER TRANSFORMER 0 TELECOMMUNICATIONS RISER ® TRAFFIC SIGNAL BOX O SANITARY SEWER MANHOLE ❑ CATCH BASIN OSTORM DRAIN MANHOLE C CULVERT FIRE HYDRANT m WATER VALVE P WETLAND FLAG a SIGN SET BENCHMARK ® FOUND MONUMENT IN CASE O FOUND REBAR AND CAP AS NOTED EXISTING WALL 12'A ALDER 12'COT COTTONWOOD 12R1 MAPLE CONCRETE PAVING GRAVEL SURFACE DITCH LINE SS— SANITARY SEWER LINE SD-- STORM DRAIN LINE P POWER LINE FO FIBER OPTICS UNE FL FORCE MAIN SEWER UNE W WATER UNE �1—M--N— CHAIN LINK FENCE UNE 7. CONSTRUCT SITE UTILITIES AND THE BUILDINGS. B. RELOCATE SURFACE WATER CONTROLS OR EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE CITY OF TUKWILA. - \ 9. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING, OR EQUIVALENT. 10. STABILIZE ALL AREAS WITHIN SEVEN DAYS OF REACHING FINAL GRADE. V 11. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS. 12. PAVE THE SITE AND PROVIDE LANDSCAPING. 13. CLEAN STORMWATER SYSTEM PRIOR TO USE. DO NOT FLUSH CLEANING WATER DOWNSTREAM. I'I 14. UPON COMPLETION OF THE PROJECT, STABILIZE ALL DISTURBED AREAS AND REMOVE BMP'S\ ��❑ AFTER APPROVAL BY A CITY OF TUKWILA INSPECTOR. — — — — — — — — ------=—=�-' PROPOSED LEGEND CONCRETE P POWER LINE PARKING — T TELEPHONE LINE AREA CONCRETE W WATER LANE SIDEWALK SS SANITARY SEWER LINE - - - - - 150------ CONTOUR STORM DRAIN SWALE STORM DRAIN PROPOSED GRADE ELEVATION CATCH BASIN MATCH EXISTING • STORM DRAIN STORM CLEANOUT 35335�TA ELEVATION ELEVATION AT STORM \ TOP OF ASPHALT MANHOLE ELEVATION AT • SANITARY 1 TOP OF CURB SEWER CLEANOUT SANITARY ELEVATION AT SEWER MANHOLE TOP OF WALL ISOLAN 35.0 BW ELEVATION AT VALVE1ION \ BOTTOM OF WALL ® RETAINING ADA RAMP WALL EXISTING TOPOGRAPHY/SURVEY INFORMATION NOTE: CERTIFIED ALTA SURVEY DATED DECEMBER 12, 2019 PERFORMED BY BRIAN D. GILLOOLY (REG. NO. 46315) OF BARGHAUSEN CONSULTING ENGINEERS. SITE DESIGN HAS BEEN BASED ON ABOVE REFERENCED SURVEY. e d > PROPOSED BUILDING FF=21,5 �•Q I �y \_X i N kT4l'l2'W 350. J WE y.�- ------ J �� i Tormsx mo7 CIVIL SHEET INDEX Cl OF 9 COVER SHEET C2 OF 9 EXISTING CONDITIONS MAP C3 OF 9 PRELIMINARY DEMOLITION AND TESC PLAN C4 OF 9 PRELIMINARY TESC NOTES AND DETAILS C5 OF 9 PRELIMINARY GRADING AND STORM DRAINAGE PLAN C6 OF 9 PRELIMINARY WATER AND SEWER PLAN C7 OF 9 CONSTRUCTION NOTES AND DETAILS C8 OF 9 CONSTRUCTION NOTES AND DETAILS C9 OF 9 CONSTRUCTION NOTES AND DETAILS LANDSCAPING SHEET INDEX L1 OF 5 LANDSCAPE NOTES AND REQUIREMENTS L2 OF 5 CODE COMPLIANCE PLAN L3 OF 5 PLANTING PLAN L4 OF 5 PLANT SCHEDULE AND DETAILS L5 OF 5 IRRIGATION PLAN OWNER GREENWOOD HEATING 825 S STACY ST SEATTLE, WA 98135 CONTACT: MICHAEL PORTER ENGINEER BARGHAUSEN CONSULTING ENGINEERS, INC. 18215 72ND AVENUE SOUTH KENT, WA 98032 PHONE: (425) 251-6222 FAX: (425) 251-8782 CONTACT: DAN BALMELLI I_1GA:II1*01 HELIX DESIGN GROUP 6021 12TH ST E, SUITE #201 TACOMA, WA 98126 PHONE: (253) 922-9037 FAX: (253) 922-6499 SURVEYOR BARGHAUSEN CONSULTING ENGINEERS, INC. 18215 72ND AVENUE SOUTH KENT, WA 98032 PHONE: (425) 251-6222 FAX: (425) 251-8782 CONTACT: BRIAN GILLOOLY Z W 2 a O J w w 2 O (n Z Q m w D w `W r Z V Z It M L1J��00 � ONLq � cn Z In LiJNQN NN Lw (n V P 5 C m N N L W C 5 c LA L C g C WIm c C QGo0) mO U) C m U °r°Y 19 H 24 EXISTING CONDITIONS MAP FOR GREENWOOD HEATING Lu /4lr*=2CO' z PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, 2 0 10 za 40 a TWP. 23 N., RGE 4 EAST, W. M. O CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON _ < w z W O z 0 O � U - ? m og CB STD GRATE Y RIM=21.05 RI STD GRATE 'ADS IE NW=16.45 RIM= 23 ° ADS IE SW=16.50 12" S I W W ADS E NE=17.97 N r CB STD GRATE OS 12" ADS IE SW=18.04 o z RIM=21.92 CB STD GRATE T-1 SSMH 8" DI IE W=19.97 RIM=21.69 CB SOLID UD T-I RIM-2 .90 CB STD GRATE c 8 12" ADS IE NW=16.32 RIM=22.11 6° INC IE NW=12.03 RIM=22.10 CB SOLID UD LIGHT STANDARD (IYP.) 8" CNC IE SW=16.57 12" AD IF HE 6° CUD IE 5E=12.08 8" DI IE SW=19.10 RIM=22.70 N (CONNECTION TO NW IS UNCLEAR, 12 ADS IE NW=18.16 (NOTE: PIPES ARE 8" 12" ADS IE SW=1890 NW PIPE DOES NOT CONNECT TO 12" PDS IF SE=18.29 PER C.O.T. SEWER 8" DI IE NE=19.27 F _ _ _ - --SDiUCTURES IN SIDEWALK)= _ _ _ - - - 12" CMP IE 5=18_22 = _ _ _ - COMPRE_HENSfvE PUN) _ _ _ _ _ _ _ _ = 12" ADS IE 5=18_92 V CASE W/9'lD FND MONUMENT INCASE W/9iD I -�- -�- c-c- TELTEL. M/H INTERURBAN AVENUE SOUTH -1 � �% 4, PAGED) LP. FlLLID W/CNC MD W/COPPER TACK M/H - - _ - - - DE O.M. BELOW GR40E _ _ _ _ =s = _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - - - = s = - o - -s -s -y -� -s -s _ -� -j -s -s -< s -s = _ _ _ _ _ _ _ AN E OF INIERURBW AVE (DECEMBER 2019)_- I CB SOLID LID ��-(OG,) RIM=22.12 % (PUBLIC R/W) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8° DI IE E=19.27 366' - - - - - - - - - ♦♦ - - - - - - - - - - 12- ADS III��IFFFE SWWWE====11118.82 D/W T(UG) T(UG) N(Uy" T(YG TUG TUG WATER TUG " --- --T U 17 12' ADS 1 97 r-y�r _ .I/ r T(UG) (LAG) ____- ---__ - -_-- - _ _ __ - ___ _ _36.6' D/W i.) e ( ) - ( ) ( ) _ _- 1 ) - - _ _- I____)o/ """____ "'_ a _ 33_6_ �/W __ z M BO M_ _ ___ _ _ __� --- _ X _ �x� _ _ s __ _ e �Y N } t > OS F y05' aS OS� OS' b� nSDye �Y'SD �^fi'Yn > `� e« °SD Y y °B > Q F - Q) 00 N -- _ _ B(3�'=eFsty a(st�3-IROy afa>fS' `PowER PDLe� ' -�' 1- =r w,,,1--wo�1 nog mm- . GAS VALVE (TYd) III )IJ II _ n POWER P� P °X on QD VAU T ^L w/METER P - _ - 1 " REfl4t 3. E .. W ER METER O ~ 00 GUY ANCHOR - �, ECOB,ocKsW/ CAM' - 66�� S O in W POWER POLE ` (3) JB a ___- ___ _ J HYD NT XRZ 2D19) J OECEMBER T019 �! BOLLARD �\ ( ) i W/TRANSFORMER k/ N UG WIRE DROP {I�h{M�� O CB STD GRATE T-1 \rU'b )°".i F�� .��SiBPS / - O z Li) RIM=21.69 / �;�\ '\ P Ii� \ \ �� ill'l) W C W 12" ADS IE NE=18.94 /a` I, CB STD GRATE FF=23.14 " SDMH T-2 AB" RIM=20.66 N '^ d 1 RIM=22.18 Ll. v! \/ p RAMP WITH LANDING & DI IE E=18.31 8' DI IF SW-18-28 BIDG HT=19.8 �I Cl IE SWTIH 41 12' CMP IE NW=1823 W/RISER a -� 'C7 'w p TOP OF RISER IE=1923 --- / I BTM OF RISER IE=17.28 8 845 ICI `) -J EXISTING p a ------ ao I soco � I - Tr -BUILDING ---RO -- Y FF=23.03 i GAS METER v Il d \ BIKERACK JBO% (IYP.) 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I , ,� � �� y� . y y , y � y doe � p'� � - � � W I N Of > rRR q < o o�do CHAINUNK FENCE NW EO C Q -U- - 50 �-(DEveIDATED) m ------�Ln _ a - 54541'72i 350.00' o �i w cLq \ N C _ off° in u �- FWD REA W/ORANRAN CAP t0E OF SEg=pE_ � ECE'KrrER 2019) (DECEMBER 2019) M � \ 15 U 26 PRELIMINARY DEMOLITION AND TESC PLAN FOR /4lr*20' GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, 0 10 20 40 TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON ALL CATCH BASINS IN THE VICINITY OF CONSTRUCTION. PER II DETAIL SHEET C4 m CB SOLID LID RIM 8" DI IE E=19.2] 12" ADS IE SE=18.82 12" ADS IT` 8T�,97 W GAS ALVE (TOP) POWER P( (TRANSFORMER UG WIRE OF CB STD GRATE RIM=: ' ADS IS NE - CB TOP OF ELI 8" PVC A BTM OF TURNDI CB STD GRATE RIM=21.05 CB STD GRATE 18' ADS IE NW-16.45 RIM=21 99 12" ADS IF SW=16.50 12" ADS IE NE=11.0 CB STD GRATE as 12. ADS IE SW-18.04 RIM=21.92 CB STD GRATE T-1 8" DI IE W=19.97 RIM=21.69 CB SOLID LID T-1 12" ADS IE NW=16.32 RIM=22.11 8" CNC IS SW=16S7 12' ADS IE NE=18.21 (CONNECTION TO NW IS UNCLEAR, 12: ADS IE NW=18.16 NW PIPE DOES NOT CONNECT TO 12 ADS IE 5E=18.29 STRUCTURES IN SIDEWALK) 12" CMP IE S=1&22 EXUBM -`- AS CONSTRUCTION ETIIRANCE TO ENQ-�TEL. M/H COIAL.0 -c=�c TRACKED WTBNL 6 TTiACI®OFFSIIE KEDO = _ _ _ _ _ - _ _ _ _ EX. DRNEWAY UU) TO BE IMPROVED _ LIMITS OF -� D/W DEMO' Y(»G� _ TO CITY STD RS-D9 SHEET C7 36 6' T(UG) D�/ (UG) t(UG) o A T(UG) (UP 36.6 /W T G) T(UG) SRMH IM= CB STD GRATE RIM=22.10 CB SOLID LID 6" CNC IE 203SW=19,10 CNC IE E=22.90 5E-12.08 RIM=2230 (NOT PIPES ARE 8" 12 ADS IE SW=18.90 PER C.O.T. SEWER 8" DI IS NE=19.27 COMPREHENSIVE PLAN) _ 12" ADS IF S=18.92 - NEW DRNEWAY - WATER 1 PER CIN STD RS-09 SHE ET C7 - ED X,ES _ - T(UG) TUG/ ( T®� ) D/� I- f 33.6' D/W s a yas 55 1 °as as> w y' `soy° so ��° sD 2 o a _. - Sb4LS= S(st9 = 8(Sty a(a3 8f3 1 PowE�R P ��-� IIfIII POWER ° Li �a2 POLE 1�P" REBAR O VAULT .E A 0' pr 3 METE 'X�\ ( B R ___ / METER U AN OR HE 1 3 "RANGE ECOBLO Sw "RAN G CAP 16915"y SE `1P & IP / 1 I �y $ - - "\ \ B �3� ( ( \ (DECEMBER 2019) / �T 3.94 CB DI E 7RIM-20.66 R MM 2218 6 8" DI 48"$" SW=18.28 8 DI SW=18.41 12" CM TOP OF IE NW=18.23 W/RISER RISER IE=1181 I I oil OTV �r RISER IE-1728 R 2 L GAS /F m M TERIuc1 �PI 1 T >Nc) Wes)-PNa1-PfW - - 1 I " - _ - - 35' SE JBOX (TYR \\I R y 2 B ST D¢'RAT, 6 / �/ NE=18.66 I �� 5 ,& IS SW=1872 2.7' SE i M1.a a 5 3 Rai 2- R � 5 _ I d = ECOBLOC, f PILE 1.4' NW 2IM =19.65 d DW=18.60 NE=1].93 NN=17G5 P(W)-v(UCJ-H9� PCB STD G��->N � Wys) RIM=20.85 OR OF ELBOW=19.50 >(uy wu l sNW alWl > ) 3, BTM OF TURNDOWN=18.55 Ifl � 8" PVC IE NE=18.83 / r SIGN (NPJ T MONITOR WELL (TYP.) I CATCH BASIN PROTECTION ON / ALLCATCH BASINS IN THE VICINITY OF CONSTRUCTION. PER / ` / \ ti � A, h oQ� c =�\ / INJ /' -------- _ y DETAIL SHEET C4 y COBLOCK 0 5 y NJ SE NJ�6�10'S� `VCHANLINK J,j j/ Q! FENOE (DEIAPK ATED) L � ��LBT-LUWT (IYP.) �✓ /� FND 1 /2" RECAP J TOE OF SLOPE - W/ORANGE CAP � 'KITZ 2011" (DECEMBERER 2019) i DEMOLITION KEYNOTES O1 EXISTING CURB TO BE REMOVED O EXISTING LIGHT POLE/JUNCTION BOX TO BE REMOVED 03 EXISTING ASPHALT TO BE REMOVED ® EXISTING TREE TO BE REMOVED 0 ^EXISTING CATCH BASIN/CLEANOUT & ASSOCIATED PIPING TO BE REMOVED/ABANDONED ©EXISTING MONITORING WELL TO BE ABANDONED PER DEPT. OF ECOLOGY REQUIREMENTS, & COPY OF ABANDONMENT DOCUMENTATION PROVIDED TO CITY OEXISTING GAS LINE TO BE RELOCATED, COORDINATE WITH UTILITY COMPANY PRIOR TO CONSTRUCTION ® EXISTING BOLLARD/BLOCK TO BE REMOVED Og EXISTING BUILDING TO BE REMOVED EXISTING UG POWER TO BE REMOVED OR RELOCATED, COORDINATE WITH UTILITY 10 COMPANY PRIOR TO CONSTRUCTION EXISTING POWER SERVICE TO BE SAVED FOR NEW BUILDING OR ABANDONED 11 IF NOT NEEDED O EXISTING CONCRETE TO BE REMOVED T.E.S.C. LEGEND DESCRIPTION PROPOSED TREE PROTECTION FENCING SILT FENCE PER DETAIL SHEET C4 TEMPORARY CONSTRUCTION ENTRANC CATCH BASIN PROTECTION PER DETAIL SHEET C4 EXISTING ASPHALT TO BE REMOVED E o: o O V Z � M W O U) W ti cnz In H W N Q N Lu Co ''Lu ^^ w v! V 1 '81 1 a o U a o u F C F� Yl Cy G1 L W C 7O t N La C C W C N -N M Qdooiy 7 Y O1 N M - CQLp t 'A Of >` C Ln «r m 0 I4 m U °rY't w PRELIMINARY TESC NOTES AND DETAILS EROSION AND SEDIMENT CONTROL NOTES: 1. APPROVAL OF THIS TEMPORARY EROSION AND SEDIMENTATION CONTROL (TESC) PLAN DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G., SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES, UTILITIES, ETC.). 2. THE IMPLEMENTATION OF THESE TESC PLANS AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE TESC FACILITIES IS THE RESPONSIBILITY OF THE APPLICANT/TESC SUPERVISOR UNTIL ALL CONSTRUCTION IS APPROVED. 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY FLAGGED BY A CONTINUOUS LENGTH OF SURVEY TAPE (OR FENCING, IF REQUIRED) PRIOR TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANT/TESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION. 4. THE TESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN CONJUNCTION WITH ALL CLEARING AND GRADING SO AS TO ENSURE THAT THE TRANSPORT OF SEDIMENT TO SURFACE WATERS, DRAINAGE SYSTEMS, AND ADJACENT PROPERTIES IS MINIMIZED. 5. THE TESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE TESC FACILITIES SHALL BE UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS (E.G., ADDITIONAL SUMP PUMPS, RELOCATION OF DITCHES AND SILT FENCES, ETC.). 6. THE TESC FACILITIES SHALL BE INSPECTED DAILY BY THE APPLICANT/TESC SUPERVISOR AND MAINTAINED TO ENSURE CONTINUED PROPER FUNCTIONING. WRITTEN RECORDS SHALL BE KEPT OF WEEKLY REVIEWS OF THE TESC FACILITIES DURING THE WET SEASON ()CT. 1 TO MARCH 31) AND OF MONTHLY REVIEWS DURING THE DRY SEASON (APRIL 1 TO SEPTEMBER 30). 7. ANY AREA OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON OR SEVEN DAYS DURING THE DRY SEASON SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED TESC METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.). 8. ANY AREA NEEDING TESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN FIFTEEN (15) DAYS. 9. THE TESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN THE 48 HOURS FOLLOWING A STORM EVENT. 10. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. 11. STABILIZED CONSTRUCTION ENTRANCES AND ROADS SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES, SUCH AS WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN FOR THE DURATION OF THE PROJECT. 12. ANY PERMANENT RETENTION/DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE PERMANENT FACILITY IS TO FUNCTION ULTIMATELY AS AN INFILTRATION SYSTEM, THE TEMPORARY FACILITY MUST BE GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST ONE FOOT ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY. 13, WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALL BE APPLIED AT A MINIMUM THICKNESS OF 2 INCHES. 1. SEED MIXTURE SHALL BE EROSION CONTROL SEED MIXTURE, AND SHALL BE APPLIED AT THE RATE OF 120 POUNDS PER ACRE. 2. SEED BEDS PLANTED BETWEEN MAY 1 AND OCTOBER 31 WILL REQUIRE IRRIGATION AND OTHER MAINTENANCE AS NECESSARY TO FOSTER AND PROTECT THE ROOT STRUCTURE. 3. FOR SEED BEDS PLANTED BETWEEN OCTOBER 31 AND APRIL 30, ARMORING OF THE SEED BED WILL BE NECESSARY (E.G., GEOTEXTILES, JUTE MAT, CLEAR PLASTIC COVERING). 4. BEFORE SEEDING, INSTALL NEEDED SURFACE RUNOFF CONTROL MEASURES SUCH AS GRADIENT TERRACES, INTERCEPTOR DIKES, SWALES, LEVEL SPREADER, AND SEDIMENT BASINS. 5. THE SEED BED SHALL BE FIRM WITH A FAIRLY FINE SURFACE, FOLLOWING SURFACE ROUGHENING. PERFORM ALL OPERATIONS ACROSS OR AT RIGHT ANGLES TO THE SLOPE. 6. FERTILIZERS ARE TO BE USED ACCORDING TO SUPPLIERS' RECOMMENDATIONS. AMOUNTS USED SHOULD BE MINIMIZED, ESPECIALLY ADJACENT TO WATER BODIES AND WETLANDS. SEED MIXTUFIE FOR EROSION CONTROL NAME PROPORTIONS BY PERCENT PURITY PERCENT WEIGHT GERMINATION REDTOP (AGROSTIS ALBA) 10 PERCENT 92 90 ANNUAL RYE (LODUM MULTIFLORUM) 40 PERCENT 98 90 CHEWING FESCUE (FESTUCA RUBRA 40 PERCENT 97 80 COMMUTATA)(JAMESTOWN, BANNER, SHODOW, OR KOKET) WHDE DUTCH CLOVER (TRIFODUM 10 PERCENT 96 90 REP ENS) NV IC,,J 1. SEE WSDOT STANDARD SPECIFICATIONS SECTION 7-08.3(3) FOR PIPE ZONE BACKFILL. 2. SEE WSDOT STANDARD SPECIFICATIONS SECTION 9-03.12(3) FOR GRAVEL BACKFILL FOR PIPE ZONE BEDDING 3. SEE WSDOT STANDARD SPECIFICATIONS SECTION 2-09.4 FOR MEASUREMENT OF TRENCH WIDTH. RIP RAP SPECIFICATIONS ALL RIP RAP PADS SHALL BE 7' WIDE X 8' LONG X 1' DEEP, USING THE GRADATION SPECIFIED BELOW: RIP RAP SHALL BE IN ACCORDANCE WITH SECTION 9-13.1 OF THE WSDOT/APWA STANDARD SPECIFICATIONS. RIP RAP TO BE REASONABLY WELL GRADED WITH ROCK GRADATION AS FOLLOWS: ( PASSING 8 INCH SQUARE SIEVE 100% OR MAXIMUM STONE SIZE 8" {C PASSING 6 INCH SQUARE SIEVE 40-60% OR MEDIUM STONE SIZE 6" PASSING 2 INCH SQUARE SIEVE 0-10% OR MINIMUM STONE SIZE 2" STOCKPILES 1 INSTALL BIO BERM OR SEDIMENT FENCING/BARRIERS AT TOE OF SLOPE. 2 STOCK PILES ON SITE SHALL BE COVERED WITH POLYETHYLENE PLASTIC SHEETING 6 MIL MINIMUM THICKNESS. 3 COVERING SHALL BE INSTALLED AND MAINTAINED TIGHTLY IN PLACE BY USING SANDBAGS ON ROPES WITH A MAXIMUM 10' GRID SPACING IN ALL DIRECTIONS. ALL SEAMS SHALL BE TAPED OR WEIGHTED DOWN FULL LENGTH AND THERE SHALL BE AT LEAST A 12" OVERLAP OF ALL SEAMS. FOR SEAMS PARALLEL TO THE SLOPE CONTOUR, THE UPHILL SHEET SHALL OVERLAP THE DOWNHILL SHEET. NO RUNOFF SHALL BE ALLOWED TO RUN UNDER THE PLASTIC COVERING. 4 CONSTRUCTION MATERIALS CONTAINING TOXIC CONTAMINANTS SHALL NOT BE STORED WITHIN 25 FEET OF ANY STORM DRAIN INLET STRUCTURE OR DESIGNATED PROTECTED AREA. 5 DEBRIS, WASTE AND GARBAGE PILES SHALL NOT BE PLACED WITHIN 25 FEET OF ANY STORM DRAIN INLET STRUCTURE OR DESIGNATED PROTECTED AREA. 6 LOCATION OF CONSTRUCTION MATERIAL STORAGE AREAS AND DEBRIS, WASTE AND GARBAGE PILE AREAS SHALL BE PROVIDED BY THE CONTRACTOR AT THE TIME OF THE INITIAL ESC CONTROL INSPECTION. FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON FILTER FABRIC MATERIAL IN CONTINUOUS ROLLS 9,p USE STAPLES OR WIRE RINGS TO ATTACH FABRIC Op0 TO WIRE WIRE MESH SUPPORT FENCE FOR FILTER FABRIC Fi RS O o I I I BURY BOTTOM OF N I I I I FILTER MATERIAL IN I I GROUND I I o I SURFACE I I 8"x12" TRENCH 19 O \�\\\�\�\\i\�\\ C R = 25' MIN. --rr------------------rr --- I 6' MAX. o II II 12" MIN. DEPTH I I uu � 2"x2" WOOD POSTS. STANDARD OR BETTER 4` TO 8" QUARRY SPACES OR EQUIVALENT WIRE MESH SUPPORT FENCE (TO PROVIDE FULL WIDTH OF INGRESS/EGRESS AREA BE LOCATED ON THE DOWNHILL 1 SIDE OF THE FILTER FABRIC) 1 io FILTER FABRIC MATERIAL 0 I PROVIDE WASHED GRAVEL\ BACKFILL, 3/4" - 3" IN TRENCH AND ON BOTH SIDES\ OF FILTER FENCE FABRIC ON THE SURFACE T6" MIN. E� BURY BOTTOM OF FILTE MATERIAL IN 6"x8" TRENCH - AND LEAVE 2" EXPOSED 2"x2"x5' WOOD POSTS. STANDARD OR BETTER OR EQUIVALENT SILT FENCE NOTES: 1. FILTER FABRIC SHALL BE PURCHASED IN A CONTINUOUS ROLL AND CUT TO THE LENGTH OF THE BARRIER TO AVOID USE OF JOINTS. WHEN JOINTS ARE NECESSARY, FILTER CLOTH SHALL BE SPLICED TOGETHER ONLY AT A SUPPORT POST, WITH A MINIMUM 6-INCH OVERLAP, AND SECURELY FASTENED AT BOTH ENDS TO POSTS. 2. POSTS SHALL BE SPACED A MAXIMUM OF 6 FEET APART AND DRIVEN SECURELY INTO THE GROUND (MINIMUM OF 30 INCHES). 3. A TRENCH SHALL BE EXCAVATED APPROXIMATELY 6 INCHES WIDE AND 8 INCHES DEEP ALONG THE LINE OF POSTS AND UPSLOPE FROM THE BARRIER. THIS TRENCH SHALL BE BACKFILLED WITH WASHED GRAVEL. 4. WHEN STANDARD STRENGTH FILTER FABRIC IS USED, A WIRE MESH SUPPORT FENCE SHALL BE FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING HEAVY -DUN WIRE STAPLES AT LEAST 1 INCH LONG, TIE WIRES OR HOG RINGS. THE WIRE SHALL EXTEND INTO THE TRENCH A MINIMUM OF 4 INCHES AND SHALL NOT EXTEND MORE THAN 24 INCHES ABOVE THE ORIGINAL GROUND SURFACE. 5. THE STANDARD STRENGTH FILTER FABRIC SHALL BE STAPLED OR WIRED TO THE FENCE, AND 20 INCHES OF THE FABRIC SHALL BE EXTENDED INTO THE TRENCH. THE FABRIC SHALL NOT EXTEND MORE THAN 24 INCHES ABOVE THE ORIGINAL GROUND SURFACE. FILTER FABRIC SHALL NOT BE STAPLED TO EXISTING TREES. 6. WHEN EXTRA -STRENGTH FILTER FABRIC AND CLOSER POST SPACING IS USED, THE WIRE MESH SUPPORT FENCE MAY BE ELIMINATED. IN SUCH A CASE, THE FILTER FABRIC IS STAPLED OR WIRED DIRECTLY TO THE POSTS WITH ALL OTHER PROVISIONS OF ABOVE NOTES APPLYING. 7. FILTER FABRIC FENCES SHALL NOT BE REMOVED BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED. 8. FILTER FABRIC FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. 9. SILT FENCES WILL BE INSTALLED PARALLEL TO ANY SLOPE CONTOURS. 10. CONTRIBUTING LENGTH TO FENCE WILL NOT BE GREATER THAN 1DO FEET. 11. DO NOT INSTALL BELOW AN OUTLET PIPE OR WEIR. 12. INSTALL DOWNSLOPE OF EXPOSED AREAS. 13. DO NOT DRIVE OVER OR FILL OVER SILT FENCES. 4j�1:J � •� TEMPORARY "V" DffCH II��ii�.:�:iT�Z�7�6�1:1 �TL�3Ti►��►� iinC�3��C��^. 1. MATERIAL SHALL BE 4-INCH TO 8-INCH QUARRY SPALLS AND MAY BE TOP -DRESSED WITH 1- INCH TO 3-INCH ROCK. (STATE STANDARD SPECIFICATIONS, SECTION 8-15.) 2. THE ROCK PAD SHALL BE AT LEAST 12 INCHES THICK AND 50 FEET LONG (20 FEET FOR SITES WITH LESS THAN 1 ACRE OF DISTURBED SOIL). WIDTH SHALL BE THE FULL WIDTH OF THE VEHICLE INGRESS AND EGRESS AREA. 3. ADDRIONAL ROCK SHALL BE ADDED PERIODICALLY TO MAINTAIN PROPER FUNCTION OF THE PAD. 4. IF THE PAD DOES NOT ADEQUATELY REMOVE THE MUD FROM THE VEHICLE WHEELS, THE WHEELS SHALL BE HOSED OFF BEFORE THE VEHICLE ENTERS A PAVED STREET. THE WASHING SHALL BE DONE ON AN AREA COVERED WITH CRUSHED ROCK AND WASH WATER SHALL DRAIN TO A SEDIMENT RETENTION FACILITY OR THROUGH A SILT FENCE. CATCH BASIN - GRATE SOLID -III OVERFLOW WALLS CIA TERING _- POROUS BOTTOM CATCH BASIN INLET FILTER NOT TO SCALE NOTE: THIS DETAIL IS ONLY SCHEMATIC. ANY INSERT IS ALLOWED THAT HAS A MIN. 5 C.F. OF STORAGE, THE MEANS TO DEWATER THE STORED SEDIMENT, AN OVERFLOW, AND CAN BE EASILY MAINTAINED. C�9 9 9-1W,II9I141#iiIT, L1I\11: C,I1ZrA4&1f1\ID7_1il111113 1. ANY ACCUMULATED SEDIMENT ON OR AROUND THE FILTER FABRIC PROTECTION SHALL BE REMOVED IMMEDIATELY. SEDIMENT SHALL NOT BE REMOVED WITH WATER, AND ALL SEDIMENT MUST BE DISPOSED OF AS FILL ON SITE OR HAULED OFF SITE. 2. ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-THIRD OF THE AVAILABLE STORAGE. THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY. 3. REGULAR MAINTENANCE IS CRITICAL FOR BOTH FORMS OF CATCH BASIN PROTECTION. UNLIKE MANY FORMS OF PROTECTION THAT FAIL GRADUALLY, CATCH BASIN PROTECTION WILL FAIL SUDDENLY AND COMPLETELY IF NOT MAINTAINED PROPERLY NOT TO SCALE TEMPORARY DIKES AND SWALE& 1. SEED AND MULCH SHALL BE APPLIED WITHIN 5 DAYS OF DIKE CONSTRUCTION (SEE VEGETATION). 2. THE UPSLOPE SIDE OF THE DIKE SHALL PROVIDE POSITIVE DRAINAGE TO THE DIKE OUTLET. 3. NO EROSION SHALL OCCUR AT THE DIKE OUTLET. PROVIDE ENERGY DISSIPATION MEASURES AS NECESSARY. 4. SEDIMENT LADEN RUNOFF MUST BE RELEASED THROUGH A SEDIMENT TRAPPING FACILITY SUCH AS A POND, TRAP, OR SILT FENCE AS APPROPIATE TO DRAINAGE AREA SIZE. MULCHING; 1. MULCH MATERIALS USED SHALL BE HAY OR STRAW, AND SHALL BE APPLIED AT THE RATE OF 1 BALE PER 200 S.F. 2. MULCHES SHALL BE APPLIED IN ALL AREAS WITH EXPOSED SLOPES GREATER THAN 2:1. 3. MUCLCHING SHALL BE USED IMMEDIATELY AFTER SEEDING OR IN AREAS WHICH CANNOT BE SEEDED BECAUSE OF THE SEASON. 4. ALL AREAS NEEDING MULCH SHALL BE COVERED BY NOVEMBER 1. / ORANGE MESH PLASTIC � � i.nvcnav�a.o°iO"O a y.vr,o,v vmwvn v n�m.n sz vas v.,m� v�"�.R mmr��rua TREE ROT N FENCE DETAIL 0 Z -e M LU T 0 U) Lq 00 �cn�w W N Q N w Tn 0 C m N L" L C O c 0 Lm Im i j C WIm c C Q000 0) eo O rv3 c m U °r°Y 19 30 ,NO MONUMENT IN CASE W/9"LID I.P. FILLED W/CNC AND W/COPPER TACK O 58 BELOW GRADE (DECEMBER 2019) _ CB SOLID LID RIM-22.12 B.,DI IE E=19. 1821 12' ADS IE BE- .82 REMOVABLE WATER -TIGHT COUPLING ELBOW DETAIL MAX WS EL=f18.0-;7;i LL = -- ORIFICE DIA. = 1/2" EL = ±16.25 ORIFICE DIA. = 1/2" PIPE SUPPORTS: - 3"x0.090 GAGE BOLTED OR IMBEDDED 2" IN WALL MAX. 3'-0" SPACING (MIN. ONE SUPPORT) CLEANOUT GATE: 8"DIA. SHEAR GATE IE=f11. / 2' MIN l 12" ADS I SW-1 97 ss 7�- G45 PLVE (11.) PRELIMINARY GRADING AND STORM DRAINAGE PLAN FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON CB STD GRATE RIM=21A9 12" ADS IE NE=17.97 CB STD GRATE OS RIM=21.92 12" ADS IE SW=18.04 8" DI IE W=19.97 RIM SOLIDI LID T-1 21 12" ADS IE NE=18.21 12" ADS IE NW=18.16 12 ADS IS 5E=18.29 SDMIT T-2 48" RIM=I M RM- . 12" CARP IE 5=18.22 - _ __ __ __ __ __ __ -0- -c- -EX. DRIVEWAY - - ---°-0-°-0-c-0-c- - --- c-c _ _ _ - _ = FE S_- SN�18.28 - - - - - - - - - - 12" CMP IE NW=18.23 W/RISER TOP OF RISER IE=19.83 ^ i�-' 4, _ TO BE IMPROVED M/H TO CITY STD RS-09 SHEEr C7 )NTERURBAR ENUE SOU �� _ BTM of RISER IE=, 7.2e F17 _ ��-` � �(o�� PROPOSED _ CB cTn ranTF °G�NEW DRIVEWAY -� RIM=22.10 CB STD GRATE T-1 - fPUBL.IC �` _ _ 1 BU ) a �_ PROPOSED _ -ASPHALT- - - - - - - - - - ASPHALT - _ _ PER CRY STD RS-09 SHEEF C7 _ _ _ _ _ e" DI IE SW=19.10 _ _ _ _ _ - 12" ADS IE NW=16.�T T(UG) �(u PAVEMENT PAVEMENF CB SOLID LID r(uc) (uc) esi `UG) T( G) T(UG) RAISED CROSSWALK c) T(UG) T(UG) T(UG) _ . O ____----___ ___ _ _ ..,.� - _ _- _ _ _- - D -_w___ - --_ AR A PARKING _ - _- - _- _ - -________________________ta=ADSJE-SW-1890___---_____________ _ > OS OS ii rv,i " �� or9�si n rF?`n Lil SD SDI n SD°.S°0 D . 5 B " 12"OADS CIE 5=18.92 CIIAL.RYIIIiE • s CB STD GRATE T-1 RIM=21.69 1 " ADS F NE=18.94 EXISTING ASPHALT PAVEMENT CB ITS GRATE W90TOP OF ELB8 8 PVC IE NE=17.93 TM OF TURNDOWN=17.65 FIELD VERIFY LOCATION FOR ATTACHMENT OF SHEAR GATE HANDLE TO WALL OF VAULT CLEANOUT SHEARGATE HANDLE TO BE HUNG FROM LADDER FOR EASIER ACCESS HANDLE MUST BE ACCESSIBLE FROM THE SURFACE WITHOUT ENTERING THE VAULT. `12" MIN. 2" PVC 2" SD IE=f 11.5 RESTRICTOR PLATE WITH ORIFICE EL = 27.5 DIA. = 1/2" FLOW RESTRICTOR RISER NOT TO SCALE �PROPOSED� AS - _ PAVEMENT RR� A C PNC RDOF mN om MIN P I I - - I \� r PROPOSED BUILDING FF=21.5 3 C PVC RDOF DRAIN f 1 om MIN - - a. 1', ^ ce'sTD c1.11 RIM=2 TOP ELBOW=19.50 I ` II I BT OF TURNDOWN=18.55 Z EXISTING --___I' ASPHALT PVC IE NE=18.83 I PAVEMENT � � I A/ / I �1To -.�LF 12--CPEP , -BpiNr } I o1 CB;ID GFar� f-.... IM= 066 _ - FLOW CONTROL RISER PER DEfA1L THIS SHEET MAXIMUM WS = 18.00 DI .1DI IE E 18.3s =18.41 .91 I STATIC WS = . 20.80E M 7 I BOTTOM OF WA11LL =50 11.00 _ - ASPHALT PAVEMEM \ 1.31 } - - O / 2 [EXISTING-Z Imo_/ I o1W�-PcW>-w�e1- PROPOSED cns M - - - - Q PVC IIOCF DPM - - - PA EMENT 20.68E M PROPOSED PAVEMENT PROPOSED \ BUILDING /---- / / r FF=21.5 .7<t _ 7 16 LF 12° CPEP I I -----F CPEP - 12 1� ---�- \ \ �-/ 1 ________ -----L5 CBI¢ y y I J \ \ PROPOSED ASPHALJ , , PAVEMEI�I` t 1 y y y I i \ I �\ y J \� FED 1/2" REBAR W/ORANGE CAP EZ (DECEMBER ER 2019) 2019) z gz z a Q O c J w c w O � co _ o D Q O m z z 0 Q m C) w - � w A cz z G - 8 ai J F 0 z I* M w >. co � r o L) O U) w 3:(n-i� W N Q N w v/^^ ,, 0 32 V CASE W/9'LD FND MONUMENT IN CASE W/9"LID " (DAMAGED) I.P. FILLED W/CNC AND W/COPPER TACK DE 0.58' BELOW GRADE ANE OF INTERURBAN AVE (DECEMBER 2019) I \ \ \7_1 ------------ —7 F PRELIMINARY WATER AND SEWER PLAN FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON Ds —`—`—c—c—°—°— —c——`—c—c—`—`—°—c—c—c—o—c—`—`—o _ /� EX SSMH C% V v M/H TEL M/H1��1�TCppp1� ��pp �L t�,11 w`� 11C RIM=22.90 dl\kG�VBBl11�k AdlENUE _ _ _ _ _ _ _ _ _ _ _ -6' CNC IE NW-12.03 _ _ c c _ _--c—c—c—c 6' CNC IE 5E-12.08 � - U - �(u.) c �(vc� -NEW 6' PVC IE 5=12.18 r(oc)— _ - T(»Gi _ _ _ — $ EXISTING WATER -METER WALL TO BE USED _ _ _ _ _ _ _ _ _ E p-/W _ o L _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ DI. RRE_ 1-12'X6' TAPPING TEE (MJcFL) _ _ _ _ _ _ _ _ _ _ _ _ _ — {PtJBtIC n/ •I) - 1-6' GATE VALVE (FLcMJ) FOR IRRIGATUON T(UG) ( T(UG) (u) T(UG) T(UG) T(UG) H1�RANr T(I-G) —CONCRETE BLOCKING - T(uc) - _wEr TAP EpWjTER MAIN .. 0 z It M W T QQ�o OU)Wti � cn z In W N Q N X (1) 0 3 1 Qs M 0I U 34 CONSTRUCTION NOTES AND DETAILS GENERAL NOTES 1. AT LEAST ONE WEEK BEFORE BEGINNING CONSTRUCTION, CONTACT PUBLIC WORKS UTILITIES INSPECTOR AND SCHEDULE A PRECONSTRUCTION MEETING. 2. NOTIFY THE UTILITIES INSPECTOR AT 206-433-0179 AT LEAST 48 HOURS (2 WORKING DAYS) BEFORE STARTING PROJECT SITE WORK. 3. REQUEST A PUBUC WORKS UTILITY INSPECTION AT LEAST 24 HOURS 1 WORKING DAY) IN ADVANCE BY CALLING 206-433-0179. 4. THE CONTRACTOR ASSUMES SOLE RESPONSIBILITY FOR WORKER SAFETY, AND DAMAGE TO STRUCTURES AND IMPROVEMENTS RESULTING FROM CONSTRUCTION OPERATIONS. 5. THE CONTRACTOR SHALL RAVE THE PERMIT(S) AND CONDITIONS, THE APPROVED PLANS, AND A CURRENT COPY OF CITY OF TUKWILA DEVELOPMENT GUIDELINES AND DESIGN AND CONSTRUCTION STANDARDS AVAILABLE AT THE JOB SITE. 6. ALL WORK SHALL CONFORM TO THESE APPROVED DRAWINGS. ANY CHANGES FROM THE APPROVED PLANS REQUIRE PRE -APPROVAL FROM THE OWNER, THE ENGINEER, AND THE CITY OF TUKWILA. 7. ALL METHODS AND MATERIALS SHALL MEET CITY OF TUKWILA DEVELOPMENT GUIDELINES AND DESIGN AND CONSTRUCTION STANDARDS, UNLESS OTHERWISE APPROVED BY THE PUBUC WORKS DIRECTOR. 8. CONTRACTOR SHALL MAINTAIN A CURRENT SET OF RECORD DRAWINGS ON -SITE. 9. CONTRACTOR SHALL PROVIDE RECORD DRAWINGS PRIOR TO PROJECT FINAL APPROVAL. 10. CONTRACTOR SHALL PROVIDE TRAFFIC CONTROL AND STREET MAINTENANCE PLAN FOR PUBLIC WORKS APPROVAL BEFORE IMPLEMENTATION. 11. ALL SURVEYING FOR PUBUC FACILITIES SHALL BE DONE UNDER THE DIRECTION OF A WASHINGTON UCENSED LAND SURVEYOR. VERTICAL DATUM SHALL BE NAVD 1988. FOR PROJECTS WITHIN A FLOOD CONTROL ZONE, THE PERMITTEE SHALL PROVIDE CONVERSION CALCULATIONS TO NGVD 1929. HORIZONTAL DATUM SHALL BE STATE PLANE COORDINATES. 12. THE CONTRACTOR SHALL REPLACE, OR RELOCATE ALL SIGNS DAMAGED OR REMOVED DUE TO CONSTRUCTION GRADING AND EROSION CONTROL NOTES 1. THE EROSION PREVENTION AND SEDIMENT CONTROL (ESC) MEASURES ON THE APPROVED PLANS ARE MINIMUM REQUIREMENTS. 2. BEFORE BEGINNING ANY CONSTRUCTION ACTIVITIES, ESTABLISH THE CLEARING UMITS AND INSTALL CONSTRUCTION ENTRANCE. 3. BEFORE ANY GROUND DISTURBANCE OCCURS, ALL DOWNSTREAM EROSION PREVENTION AND SEDIMENT CONTROL MEASURES (ESC) MUST BE CONSTRUCTED AND IN OPERATION. INSTALL AND MAINTAIN ALL ESC MEASURES ACCORDING TO THE ESC PLAN. 4. ESC MEASURES, INCLUDING ALL PERIMETER CONTROLS, SHALL REMAIN IN PLACE UNTIL FINAL SITE CONSTRUCTION IS COMPLETED AND PERMANENT STABILIZATION IS ESTABLISHED. 5. FROM MAY 1 THROUGH SEPTEMBER 30, PROVIDE TEMPORARY AND PERMANENT COVER MEASURES TO PROTECT DISTURBED AREAS THAT WILL REMAIN UNWORKED FOR SEVEN DAYS OR MORE. 6. FROM OCTOBER 1 THROUGH APRIL 30, PROVIDE TEMPORARY AND PERMANENT COVER MEASURES TO PROTECT DISTURBED AREAS THAT WILL REMAIN UNWORKED FOR TWO DAYS OR MORE. IN ADDITION TO COVER MEASURES, THE CONTRACTOR SHALL: -PROTECT STOCKPILES AND STEEP CUE AND FILL SLOPES IF UNWORKED FOR MORE THAN 12 HOURS. -STOCKPILE, ON SITE, ENOUGH COVER MATERIALS TO COVER ALL DISTURBED AREAS. 7. BY OCTOBER 8, SEED ALL AREAS THAT WILL REMAIN UNWORKED DURING THE WET SEASON (OCTOBER 1 THROUGH APRIL 30). MULCH ALL SEEDED AREAS. �L,NOTES TRENCH EXCAVATION OPERATIONS SHALL MEET OR EXCEED ALL APPUCABLE SHORING LAWS FOR TRENCHES. ALL TRENCH SAFETY SYSTEMS SHALL MEET WISHA REQUIREMENTS. 2. PLACE POWER, CABLE, FIBER OPTICS, AND TELEPHONE LINES S IN A TRENCH WITH A 5' MINIMUM HORIZONTAL SEPARATION FROM OTHER UNDERGROUND UTILITIES. 3. ADJUST ALL MANHOLES, CATCH BASINS, AND VALVES IN PUBLIC RIGHTS -OF -WAY OR EASEMENTS AFTER ASPHALT PAVING. PAVERAM RESTORATION 1. COMPACT BACKFILL TO COMPACTION OF UNDISTURBED GROUND OR COMPACT BACKFILL TO MEET CITY STANDARDS. 2. RESTORE PAVEMENT TO ITS ORIGINAL CONDITION IMMEDIATELY FOLLOWING BACKFILUNG OR WHEN CONCRETE IS CURED. A. EXCEPT FOR WINTER OR OTHER WEATHER CONDITIONS WHICH PREVENT PAVING, COMPLETE PAVING, RESURFACING, OR FACILITY REPLACEMENT : -ON PRINCIPAL ARTERIAL, MAJOR OR COLLECTOR STREET WITHIN 3 CALENDAR DAYS. • ON OTHER STREETS WITHIN 7 CALENDAR DAYS B. FOR WORK PREVENTED DUE TO WEATHER: • PROVIDE A TEMPORARY PATCH. PROVIDE A CONSTRUCTION SCHEDULE ADDRESSING MEANS AND METHODS TO MINIMIZE TRAFFC DISRUPTION AND TO COMPLETE WORK AS QUICKLY AS POSSIBLE. FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. I CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON WM IN Ri(3Hf-0E-WAY 1. WHEN ACTIVITY IS UNATTENDED, INSTALL A SIGN WITH MINIMUM TWO-INCH LETTERS STATING PERMITME OR COMPANY NAME, AND DAY AND EVENING PHONE NUMBERS. TMC 11.08.140 2. INSTALL BARRICADES, SIGNS, WARNING LIGHTS, AND SAFETY DEVICES SUFFICIENT TO NOTIFY PUBLIC OF OBSTRUCTION OR TRAFFIC HAZARD. DEVICES MUST REMAIN UNTIL THE OBSTRUCTION IS CLEARED AND THE RIGHT-OF-WAY IS RESTORED. TMC 11.08.170A. 3. MAINTAIN ACCESS TO FIRE STATIONS, FIRE HYDRANTS, FIRE ESCAPES, AND FIRE FIGHTING EQUIPMENT. TMC 11.08.180 4. MAINTAIN ACCESS TO PROPERTY ADJOINING EXCAVATION OR SITE WORK. 5. PRESERVE AND PROTECT ALL PROPERTY ADJOINING EXCAVATION OR SITE WORK. 6. RESTORE DISTURBANCE TO PRIVATE AND PUBUC PROPERTY. TMC 11.08.220.D 7. DISTURBANCE OF SURVEY MONUMENTS AND MARKERS REQUIRES THE DRECTOR'S PREAPPROVAL A LICENSED SURVEYOR SHALL REPLACE DISTURBED MONUMENTS AND MARKERS. 8. COMPLY WITH ALL STATE AND CITY LAWS AND PROCEDURES TO PROTECT PUBLIC FROM AIR, WATER AND NOISE POLLUTION. TMC 11.08.210 9. INSTALL TEMPORARY SIDEWALK OR CURB RAMP IF PERMANENT IS BLOCKED. TMC 11.08.220 10. COVER OPEN EXCAVATION WITH NON-SKID STEEL PLATES RAMPED TO ELEVATION OF CONTIGUOUS RIGHT OF WAY SURFACE. TMC 11.08.220 11. STORE ALL STOCKPILE MATERIAL SHALL BE STORED IN A SAFE MANNER TO PROTECT THE PUBUC. STORM DRANAOE NOTES 1. ALL METHODS AND MATERIALS SHALL MEET CITY OF TUKWILA DEVELOPMENT GUIDELINES AND DESIGN AND CONSTRUCTION STANDARDS, AND THE CURRENT KING COUNTY SURFACE WATER DESIGN MANUAL, UNLESS OTHERWISE APPROVED. 2. MARK ALL STORM DRAIN INLETS WITH "DUMP NO WASTEAND EITHER 'DRAINS TO STREAMS', "DRAINS TO WETLANDS", OR 'DRAINS TO GROUNDWATER", AS APPLICABLE. 3. DRIVEWAY CULVERTS SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE DITCH. CULVERTS SHALL HAVE BEVELED END SECTIONS THAT MATCH THE SIDE SLOPE. 4. SINGLE FAMILY RESIDENCES CONSTRUCTED ON LOTS CREATED BY SUBDIVISION MUST PROVIDE DOWNSPOUT INFILTRATION SHOWN ON THE APPROVED PLANS. 5. COORDINATE FINAL STUB -OUT LOCATIONS WITH THE UTILITIES INSPECTOR. PROVIDE A WIRE OR OTHER DETECTION DEVICE AND MARK STUB -OUT LOCATION WITH A 5-FOOT 2'X4'STAKE, BURIED 4-FEET AND LABELED STORW OR 'GRAIN". SANRAW SEWEiNOMS 1. ALL METHODS AND MATERIALS SHALL MEET CITY OF TUKWILA DEVELOPMENT GUIDELINES AND DESIGN AND CONSTRUCTION STANDARDS, UNLESS OTHERWISE APPROVED. 2. THE CONTRACTOR SHALL MARK THE END OF THE SIDE SEWER, INSIDE THE PROPERTY LINE, WITH A 4 FOOT PRESSURE TREATED 2 X 4, BURIED IN THE GROUND 4 FEET. THE BURIED END SHALL HAVE A 2 X 4 CLEAT NAILED TO IT TO PREVENT WITHDRAWAL OF THE STAKE. THE EXPOSED 1-FOOT SHALL BE PAINTED TRAFFIC YELLOW AND THE DEPTH TO THE SIDE SEWER OR TEE SHALL BE INDICATED IN BLACK PANT. 3. INSTALL SANITARY SEWER LINES AT LEAST 10 FEET HORIZONTALLY, MEASURED EDGE TO EDGE, FROM ANY EXISTING OR PROPOSED WATER SUPPLY AND AT LEAST 18 INCHES BELOW THE BOTTOM OF A WATER LINE. WATO SUPPLY NOIE8 1. THE CONTRACTOR SHALL INSTALL CORPORATE STOPS, WATER SERVICE LINES, AND METERS. THE CITY OF TUKWILA WILL INSTALL THE METERS. 2. PRESSURE TEST ALL WATER MAINS AND APPURTENANCES. 3. FLUSH AND DISINFECT NEW, CLEANED, OR REPAIRED WATER MAINS AND PROVIDE BACTERIOLOGICAL TESTING RESULTS TO CITY. 4. INSTALL RESTRAINED JOINTS AT ALL BENDS, TEES, AND OTHER DIRECTION CHANGES. 5. ALL WATER MAINS SHALL HAVE A BLOW -OFF ASSEMBLY AT LOW POINT AND AN AIR VACUUM RELIEF VALVE AT HIGH POINT OF MAIN. 6. INSTALL FIRE HYDRANT ASSEMBLY SO IT STANDS PLUMB AND SO THAT THE LOWEST OUTLET IS AT 18^ABOVE THE FINISHED GRADE. THE ASSEMBLY SHALL HAVE A CLEAR ZONE AROUND HYDRANT OF AT LEAST 36"AND THE PUMPER PORT SHALL FACE STREET OR FIRE ACCESS. 7. THE INSTALLER OF A FIRE LINE BACKFLOW PREVENTION DEVICE INSTALLED OUTSIDE THE BUILDING AND UNDERGROUND, SHALL HAVE A LEVEL III CERTIFICATE OF COMPETENCY OR A LEVEL U CONTRACTOR'S CERTIFICATE OF COMPETENCY. IF THE INSTALLER IS DIFFERENT FROM THE BACKFLOW PREVENTION DESIGNER, THE INSTALLER MUST STAMP, SIGN, AND DATE THE PLANS, IN ADDITION TO THE DESIGNER'S STAMP, SIGNATURE, AND DATE. 8. INSTALL WATER MAINS CROSSING SEWER LINES SO THAT THE BOTTOM OF THE WATER MAIN IS AT LEAST 18 INCHES ABOVE THE TOP OF THE SEWER. LOCATE FULL SECTION OF WATER PIPE SO THAT ITS MIDPOINT IS ABOVE THE SEWER PIPE AT THE CROSSING. THIS INSTALLATION MAY REQUIRE SPECIAL STRUCTURAL SUPPORT FOR THE WATER AND SEWER PIPE. 9. INSTALL WATER SUPPLY LINES AT LEAST 10 FEET HORIZONTALLY, MEASURED EDGE TO EDGE, FROM ANY EXISTING OR PROPOSED SEWER AND AT LEAST 18 INCHES ABOVE THE TOP OF A SEWER. is</\ V1a \ I E m. �N1 rvPIG�IED " A `s 5%A a ve causxEnaocx # i�iaHi"se Px _j �10,� SECTION A -A CURB DETAIL NOTES: 1. THIS ALTERNATE SHOULD BE USED ONLY AFTER STUDYING CLOSENESS OF DRIVEWAYS, DRAINAGE, TOPOGRAPHY, DRIVEWAY GRADES, RIGHT OF WAY, ETC. 2. DRIVEWAYS WITH HIGH VOLUME (AS NOTED BY CITY ENGINEER) MAY BE APPROVED FOR INTERSECTION TYPE ACCESS. 3. TURNING RESTRICTIONS MAYBE APPLIED BY THE CITY ENGINEER. 4, CONCRETE SHALL BE CLASS 4000- 5. INSPECTION REQUIRED BEFORE PLACING CONCRETE. AT LEAST 24 HOUR NOTICE MUST BE GIVEN TO TUKWILA PUBLIC WORKS DEPARTMENT FOR INSPECTION. 6. ALL DRIVEWAY APRONS SHALL BE A MINIMUM OF 6' THICK. 7. WHERE DRIVEWAY WIDTHS EXCEED 15', A3/8" X 5-112" EXPANSION JOINT SHALL BE PLACED LONGITUDINALLY ALONG THE CENTERLINE. 8. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APWAPASDOT PLANS AND SPECIFICATIONS OR AS DIRECTED BY THE CITY OF TUKWILA. 9. AN ASPHALT APRON MAY BE USED IN AREAS WHERE NO CURB. EXISTS. 10. REMOVAL OF EXISTING CONCRETE CURB, GUTTER OR SIDEWALK SHALL BE TO THE NEXT EXPANSION JOINT; SCORE JOINTS MUST BE SAW CUT AND REPLACED WITH AN EXPANSION JOINT. COMMERCIAL. DRIVEWAYmTO City Of RS-08 Tukwila x g°x w: D8.03 -r+Ens - D4.08 BOB GIBERSON, CITY ENGINEER SIDEWALK WIDTHS '�xe xwi w.e cnoino A oaF iOwvs Evears wi°E Exo�.:xixx uanxD° 1-T PLAN VIEW taus«e°aecx� � moExsre^oE�sclaE�axrs 1e SECTION q-p cx wwius V NT j NOTES: ELEVATION laa 1. SIDEWALKS SHALL BE A MINIMUM OF 8 FEET WIDE AT BUS STOPS AND PULLOUTS, OR WHERE THE SPEED LIMIT IS OVER 35 MPH, OR WHERE A TRAIL AND SIDEWALK ARE COMBINED. 2. PLACE CEMENT CONCRETE OVER 2" OF 5/8' MINUS CRUSHED ROCK OR AS SPECIFIED IN THE CURRENT APWA/WSDOT STANDARD SPECIFICATIONS. 3. REMOVE EXISTING CONCRETE CURB, GUTTER OR SIDEWALK TO THE NEAREST JOINT; SCORE JOINTS MUST BE SAW CUT AND REPLACED WITH NEW. 'SEE TMC 9.48.040 m SIDEWALK City Of sx�T: RS-11 Tukwila xevim°xw: 08.03 ue.rsevlxi 04.08 BOB GIBERSON, CITY ENGINEER MINOR PRINICIPAL TUKWILA ARTERIAL' ARTERIAL' URBAN CENTER (SEE NOTE 1) 5` 8' 6' NOTES: 1. MAXIMUM DEPTH FROM FINISHED GRADE TO PIPE INVERT SHALL BE T' 13". 2. CATCH BASINS TO BE CONSTRUCTED IN ACCORDANCE WITH ASTM C 478 (AASHTO M 1991)& ASTM C 89U UNLESS OTHERWISE V SHOWN ON PLANS OR NOTED IN THE STANDARD SPECIFICATIONS. -aa sux«°oP 3. REBAR WELDED WIRE FABRIC HAVING A 6" RISER SECTION MINIMUM AREA OF 0.12 SQUARE INCHES PER FOOT MAY BE USED. WELDED WIRE FABRIC' SHALL COMPLY TO ASTM A 497 (AASHTO M 221). DO NOT PLACE WIRE FABRIC IN THE KNOCKOUTS. 4. THE BOTTOM OF THE PRECAST BASE SECTION MAYBE ROUNDED. PRECAST BASES SHALL BE FURNISHED WITH CUTOUTS OR KNOCKOUT$. KNOCKOUTS SHALL HAVE A WALL THICKNESS OF 2" MINIMUM. 5. KNOCKOUTS MAY BE ON ALL 4 SIDES - WITH MAXIMUM DIAMETER OF 20". ns azwxwes KNOCKOUTS MAY BE EITHER ROUND OR 0' 12" RISER SECTION SHAPE. PIPE TO BE INSTALLED IN FACTORY SUPPLIED KNOCKOUTS. 6. KNOCKOUT OF CUTOUT HOLE SIZE SHALL BE EQUAL TO PIPE OUTER DIAMETER PLUS CATCH BASIN WALL THICKNESS. 7. THE TAPER ON THE SIDES OF THE PRECAST BASE SECTION AND RISER - SECTION SHALL NOT EXCEED V2" PER FOOT. c°axEa 8. CATCH BASIN FRAME AND GRATE SHALL BE IN ACCORDANCE WITH STANDARD 1 SPECIFICATIONS AND MEET THE STRENGTH REQUIREMENTS OF FEDERAL 51°« SPECIFICATION RR-F-621D. MATING SURFACES SHALL BE FINISHED TO ASSURE '`� T'r \�i NON-ROCKINGFIT. 9. FRAME AND GRATE MAY BE INSTALLED WITH FLANGE DOWN OR CAST INTO RISER. m eaa eacx wnv 10. VANED GRATE, REFER TO DS-D6. PRECAST BASE SECTION IMEA513xENENTATTOP OFTHESASE) 11. REFER TO DS-06 FOR CATCH BASIN MARKINGS. �W r L;AI L;FT HAWN City of TYPE 1 ✓ J os-01 P Tukwila 96.D3 B. SHELTON F 0 Z It M W T ONLq �� z In W N Q N w � I l J w 0 V C H L 7 c 7 JC C C Lu C N N M N fr Q do Y U 0Y M - C Q t 'A 01 m O N m u °r Y't19 c) 36 RINEROUB COVERNT9ECTIgN COVER 2,-DIaM TER" �EPERNR �GB E.NzMAxl. I TIN PucE i PREC I i I G FFILLET ,:� 6.OI� _ so E�ic oRF (vaRlEsl ___ evsr ease wn'x HrEc GRAI—CACRF LL FGEFT, F- NG. LACTIN PULE PaPATE ueilN 'SEPPNATE PRECgSTMTEG GEPTH. FORPRECACT N-RING a u�ISTEEL,FGR=EPARA,EeaGEGNL1, G IN1 lxu o111011.11ORewe: D.L�e55G INIFT IN EnG, DIRECTION FOR B V NOTES: 1. HANDHOLDS IN RISER OR ADJUSTMENT SECTION SHALL HAVE 3"MIN. CLEARANCE. STEPS IN CATCH BASIN SHALL HAVE 6" MIN. CLEARANCE. NO STEPS ARE REQUIRED WHEN 'W IS 4' OR LESS. REFER TO DS-1 DC AND DS-11 FOR STEPS AND LADDERS. 2. PRECAST BASES SHALL HAVE CUTOUTS OR KNOCKOUTS WITH A WALL THICKNESS OF 2" MIN. HOLE SIZE SHALL BE EQUAL TO PIPE OUTER DIAMETER PLUS CATCH BASIN WALL THICKNESS. MAXIMUM HOLE SIZE IS 3W FOR 48' CATCH BASIN, 42" FOR 54" CATCH BASIN, AND 48" FOR 60" CATCH BASIN. MINIMUM DISTANCE BETWEEN HOLES IS 8". 3. ALL BASE REINFORCING STEEL SHALL BE PLACED IN THE TOP HALF OF THE BASE, 1" MIN. CLEARANCE. 4. THE BOTTOM OF THE PRECAST CATCH BASIN MAY BE ROUNDED. 5. FRAME AND GRATE MAY BE INSTALLED WITH FLANGE DOWN OR CAST INTO RISER. 6. LOCATE STEPS AND LADDERS AWAY FROM OPENINGS AND CENTERED OVER THE MANHOLE. REFER TO DS-06 FOR VANED GRATE AND CATCH BASIN MARKINGS, 4 r CATCH BASIN Nm �tp City O7 TYPE 2 (48"154'760") � ✓ J DS-02 m .4. Tukwila aou 08,03 LneT REOE;IoN! 04.08 APPI W BOB GIBERSON, CITY ENGINEER CONSTRUCTION NOTES AND DETAILS FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON AL El FIN GTOBERECESCED1- llmu QI B 7 ✓ Vie. D"aL"OTw TOP VIEW SLOT DETAIL VANE DETAIL LOCKING LID EE.sEt—o _F_it�a IL SECTION B"B SECTION CC SECTION A -A NOTES: M�N1All—E.. xnosawO 1. WELDING IS NOT PERMITTED, 2. DIMENSIONSSHALL HAVE A±1(16'TOLERANCE. s 3. EDGES SHALL HAVE 118" RADIUS AND I W CHAMFER OR COMPLETE DEBURRING. D�xOguMPLNmG Tos 4. THE NAME OF THE MANUFACTURER AND DIRECTION OF FLOW SHALL BE EMBOSSED ON THE TOP SURFACE OF EACH GRATE. CATCH BASIN MARKING LETTERING TO BE RECESSED 1I18'. 5. EMBOSS GRATE WITH MATERIAL TYPE, DI (FOR DUCTILE IRON) OR CS (FOR CAST STEEL), NEAR THE NAME OF THE MANUFACTURER. 6. THERMOPLASTIC CATGH BASIN MARIONG TO BE IN5TALLED WITH ALL NEW OR ADJUSTED CATCH BASINS, EXCEPT THOSE WITH SOLID LIDS. 7. PLACE CATCH BASIN MARKING, "OUTFALL TO STREAM, DUMP NO POLLUTANTS', ON THE SURFACE OF EACH GRATE, PREFERABLY LOCATED IN THE BORDER Aft 8. LOCKING UD REQUIRED. a4 `� CityO` I.AIun OAalm 41NLGI / VANED GRATE +. ✓ DS-" m Tukwila B6.B3 usTREvtsl 64.D6 BOB GIBERSON, CITY ENGINEER 3W' OR 1" PARTS LIST: 1-1"COUPLINGS MUELLER 110 X ANGLE STOP -BALL 1 -1" OR 314" CORP STOP -BALL 1_ TAILPIECE WITH FEMALE IRON PIPE THREAD NOTES: 1. NO METER BOXES IN SIDEWALKS AND DRIVEWAYS WHERE POSSIBLE. 2. USE CLEAN 50 MINUS CRUSHED ROCK TO BACKFILL AROUND CORP STOP AND SERVICE LINE. 3. REFER TO CHAPTER 7 OF THESE STANDARDS. cs ae� Mt It: �s City of 3/4" OR 1" WS-01 Tukwila ION OB.B3 w'RweLH B, SHELTON —�r� aaELEGLG. ono o� o PLAN VIEW II T u ELEVATION CAST IRON RING AND COVER ataae SANITARY SIUE SEWER City Or` CLEANS ur .L ✓ ✓ SS-0 P �~ Tukwila 08-03 B.SHELTON 0) z J W Q 2 IL Q J Lu z W Qco p r O 0 z O z z a D c, ly O — F V z It M WN (7) p a o O in La oto- 3:NHTa W N Q N LLI co W of N V C c L N W L W "C 3 t to C 7 C W C N VI C < Do tNV 7 -p O)N M cQ�' 'A C Ln.;� N O cv M IN co 0 3 w A A �A A � PMN rtnu�,[ A CAPPED CROSS 9W BEND TEE WIPLUG TEE W/O PLUG THRUST BLOCKING SIZE ®®®®® ao©ao amm ®© �0®00 ®�®00 �®0®0 �m0®® ®®0®0 ��00© C PiP C n � A A D 4� 45°BEND 22.112'BEND M EARINGAREAOFCONCRETETHRUS BLOCKMSEDONM E PSI RI PRESSURE AND SAFE SOIL BEANG 00 LOAD OF 1E POUNDS PER SQUARE FOOT 2. A—ST BEARINGAREA FOR OTHER PIPE 62ES, PRESSURES ANcoNCRCETENUiF— MINIMUM AREA OF 114 SQUARE FOOT BEARII.NG AGNNST THEE A 4� CONTRACTOR SHALL INSTALL BLOCKING ADEQUATE TO WITHSTAND FULL TEST PRESSURE AS WELL AS TO CDNTINUOUSLY WRHSTAND OPERATION PRESSURE UNDER ALL axomoxs'oPSERVICE. 11-114° BEND H GNTOFTHRusr xLacKMusT eE EGUALTO ORLEss THAN 1l2 THE DEPTH FROM THE GROUND SURFACE TO THE BLOCK'S BASE S. USE GALVANiCLA ORASPHALT-CRATED SHEEL, THREADED CIA RODS AND PIPE MPS. � REFER To cHAPTERTOF THESE STANDARDS. „ BLOCKING HORIZONTALNm City Of CONCRETE WS-12A 1 OF 2 �~ Tukwila 08.03 B.SHELTON CONSTRUCTION NOTES AND DETAILS FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON TOPOFTRENCH 1.3 X'DEPTH'(MAX. WIDTH) PAYEMENTPATCHING (SEE R&U3) uALrti ILL MIN. 3SMAX.6 ir IN. BEDDING — PIPE OU R DIA. 0 DIA. k.24'(MPX. 1W0 ) 4" i N: BOTTOM OF TRENCH NOTE: 1.. ALL BACKFILL SHALL BE 5/8" CRUSHED ROCK COMPACTED TO 90%MODIFIED PROCTOR OPTIMUM DENSITY. 2. REFER TO RS-03 FOR PAVEMENT PATCHING. 3. PAVED AREAS: BACKFILL WITH CRUSHED ROCK. 4. UNPAVED AREAS: BACKFILL WITH NATIVE MATERIAL OR CRUSHED ROCK. TRENCH Nm C717J Of BEDDING AND BACKFILL -✓✓ WS-18 m Tukwila 08.03 LAST REVISIox: 04.08 BOB GIBER$ON, CITY ENGINEER TYPICAL PATCH FOR RIGID PAVEMENT l= FPw�N DB N BH �S ___ 1HERMI Ay _ _ /l TYPICAL PATCH FOR FLEXIBLE PAVEMENT NOTES: 1. ALL WORK TO CONFORM TO THE CURREM WSDOT/APWA STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION. 2. A MINIMUM OF A ONE YEAR GUARANTEE IS REQUIRED ON ALL PAVEMENT PATCHING AND OVERLAYS. 3. CONTROLLED DENSITY FILL IN PLACE OF CRUSHED ROCK MATERIAL MAY BE REQUIRED IN CASES OF RECENT PAVEMENT OVERLAY. OR AS DIRECTED BY CITY ENGINEER. �4I -AVCMCNI KCSIUKAIIUN City Of RS-03 $` Tukwila I B B.. SHELTON 9" 6" MIN 1" ASPHALT EXTRUDED CONCRETE CURB DETAIL co z J W Q 2 EL Q J Ld z W Q p co O 0 z U) z z Q it co ly z F- O z s �U 0 z It M WN 00 � � 0 L) O co W 010- N H � WN Q N W co W of N V m ul Know what's below. Call before you dig. Dial 811 POWER VAUL�E 237 SQ FT PARKING LOT, LANDSCAPING PROVIDED (BACK OF BLDG) a� PROPERTY BOUNDARY STRUCTURAL SOIL CELLS, TYPICAL. SEE ADDITIONAL INFORMATION THIS SET 523 SQ FT PARKING LOT LANDSCAPING PROVIDED (BACK OF BLDG) LANDSCAPE and IRRIGATION SET FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON 10' WIDTH TYPE I LANDSCAPE - PROPERTY BOUNDARY 10' WIDTH TYPE III LANDSCAPE EXISTING WETLAND AND WETLAND PROPERTY BOUNDARY BUFFER REQUIRED BUFFER Z F w 0- w Q � a i LU 1"=20' z o c Q 0 10 20 40 Q F Oco u- w PARKING LOT LANDSCAPING z 20 SQ FT OF LANDSCAPING REQUIRED FOR PARKING J STALLS ADJACENT TO STREET $ w w i1 � a - 42 PARKING STALLS PROPOSED ADJACENT TO STREET i1 U I 20 x 42 = 840 SQ FT LANDSCAPING REQUIRED C/) L F 1,397 SQ FT PROVIDED Q 15 SQ FT OF LANDSCAPING REQUIRED FOR PARKING 8 ai J STALLS AT THE BACK OF THE BUILDING r PARKING STALLS PROPOSED AT BACK OF BUILDING 15 x 17 = 255 SQ FT LANDSCAPING REQUIRED 642 SQ FT PROVIDED V Z It 114 SQ FT PARKING LOT LANDSCAPING F- PROVIDED (ADJACENT TO STREET) W U) rn � 282 SQ FT PARKING LOT LANDSCAPING = U Q 00 PROVIDED (ADJACENT TO STREET) 10' WIDTH TYPE III LANDSCAPE BUFFER REQUIRED Z U) � p N N 114 SQ FT PARKING LOT LANDSCAPING W 00 W PROVIDED (ADJACENT TO STREET) x U) C9 165 SQ FT PARKING LOT LANDSCAPING PROVIDED (ADJACENT TO STREET) 142 SQ FT PARKING LOT LANDSCAPING c PROVIDED (ADJACENT TO STREET) LL EXISTING WETLAND AND WETLAND BUFFER PROPERTY BOUNDARY x C r C D r C w C N U, cN M a' 00 7 N 0 N Q l0 of C m O N N m U °r Y 19 M W) 4 J 42 ul Know what's below. Call before you dig. Dial 811 LANDSCAPE BED >12' WIDTH. NO STRUCTURAL SOIL CELLS PROVIDED. 'SMALL' TREES ARE PROPOSED AND WILL HAVE ADEQUATE SOIL VOLUME WITHOUT STRUCTURAL SOIL CELLSr`TE I M/H MEDIUM -LARGE TREE PROPOSED. PER PER 18.52.070, A--� MINIMUM OF 750 CUBIC FEET OF SOIL CELL VOLUME IS REQUIRED. LANDSCAPE BED PROVIDES 711 CUBIC FEET OF SOIL VOLUME. 750 - 711 = 39 CUBIC FEET OF ADDITIONAL SOIL VOLUME REQUIRED MEDIUM -LARGE TREE PROPOSED. LANDSCAPE BED PROVIDES 619 CUBIC FEET OF SOIL VOLUME. 750 - 619 = 131 CUBIC FEET OF ADDITIONAL SOIL VOLUME REQUIRED MEDIUM -LARGE TREE PROPOSED. LANDSCAPE BED PROVIDES 405 CUBIC FEET OF SOIL VOLUME. 750 - 405 = 345 CUBIC FEET OF ADDITIONAL SOIL VOLUME REQUIRED LANDSCAPE and IRRICATON SET FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON • MEDIUM -LARGE TREE PROPOSED. MEDIUM -LARGE TREE PROPOSED. LANDSCAPE BED PROVIDES 414 CUBIC FEET OF SOIL VOLUME. LANDSCAPE BED PROVIDES 846 CUBIC FEET OF 750 - 414 = 336 CUBIC FEET OF ADDITIONAL SOIL VOLUME SOIL VOLUME. NO ADDITIONAL SOIL VOLUME REQUIRED REQUIRED WATER wl — N .Ns) — TNc) — Nc) — *Na) — r(w1N TNcI — r(�c) — T(.) — TNc) — *Nc) — *Nc) *Nc) — Wc) ttM41T'� T(�c) — TNc)--t(o)—=. uc) — rNc) JBOXE, 5 17 Wf t ) - -—=o o——=P—=o—=o—=o—�—�— —=o o—=—= — —/T1—=o——=o—=�;—�——=o a'►`�i!' " _ .�i14'Y%ii "i�Wdi ri/ry' -A�l' .dry:E�iJi�tiWf. �...rJ.iiJ'.�9iYJi� '�i� �..0 h'iiivae'u ®�::.r'f"": i:'.�,a. " �/��CT _..._+" v .l". �G �II�D�Q�r �:7 r� .A,-��@ice _Q'oitrr_�iI/.ZVI f�:� 7r Y r-- ��%/ �`A�fl/%I/I t �'//tJ+� poi ■■ h� '_ ■■_ �� Ili ii'�1n _ ! o / 7 i' i 1" _ •N� �-,J•�ip� �N Ire __ ��r �CJ17• li�('�w HE �.�.EN - u97 P WARE 2—STORY OF710E BUILDING �l M 1_ � � �4Y1� ��_, .1c-i",MOVIE M01T i:\- I' �I BUF FIR EX WETILAND sr� _ BOUNDARY F HD LAPIDATED) wiiicur- .) FND 1 2" REBAR / W/ORANGE CAP (OE OF SLOPE KITZ 16915-1" / (DECEMBER 2019) 2"-3" DEPTH WOOD CHIP MULCH SPLIT RAIL FENCE. SEE DETAIL THIS AROUND BASE OF EXISTING TREES SET. INSTALL SENSITIVE AREA PROPOSED TO BE RETAINED SIGNAGE PER CITY REQUIREMENTS EXISTING STREET TREE TO BE RETAINED, TYPICAL. DASHED LINE IS SURVEYED DRIPLINE MEDIUM -LARGE TREE PROPOSED. LANDSCAPE BED PROVIDES 225 CUBIC FEET OF SOIL VOLUME. 750 - 225 = 525 CUBIC FEET OF ADDITIONAL SOIL VOLUME REQUIRED SPLIT RAIL FENCE. SEE DETAIL THIS SET. INSTALL SENSITIVE AREA SIGNAGE PER CITY REQUIREMENTS 0 LL x 0 Z M W >. 0) � Q L OU)Wti z In CD W N Q N C9 ul Know what's below. Call before you dig. Dial 811 LANDSCAPE and IRRIGATION SET FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON PLANT SCHEDULE LARGE TREES BOTANICAL / COMMON NAME CONT. SIZE WATER USE ORIGIN FOLIAGE • FRAXINUS PENNSYLVANICA'PATMORE' / PATMORE ASH B & B 2" DBH LOW NATIVE DECIDUOUS PICEA SITCHENSIS / SITKA SPRUCE B&B, 7' MIN. HT. LOW NATIVE • ZELKOVA SERRATA'GREEN VASE' / GREEN VASE SAWLEAF ZELKOVA B & B 2" DBH LOW EXOTIC DECIDUOUS MEDIUM TREES BOTANICAL / COMMON NAME CONT. SIZE WATER USE ORIGIN FOLIAGE • ACER RUBRUM'BOWHALL' / BOWHALL MAPLE B & B 2" DBH DECIDUOUS • PRUNUS CERASIFERA'KRAUTER VESUVIUS' / PURPLE LEAF PLUM B & B 2" DBH LOW EXOTIC DECIDUOUS SMALL TREES BOTANICAL / COMMON NAME CONT. SIZE WATER USE ORIGIN FOLIAGE (3 MAGNOLIA X'GALAXY' / GALAXY MAGNOLIA B & B 2" DBH LOW HYBRID DECIDUOUS 0 PARROTIA PERSICA / PERSIAN PARROTIA B & B 2" DBH LOW EXOTIC SHRUBS BOTANICAL / COMMON NAME CONT. WATER USE ORIGIN FOLIAGE Cx CISTUS X HYBRIDUS / WHITE ROCKROSE 18" HT MIN LOW HYBRID EVERGREEN © CORNUS SERICEA'KELSEYI' / KELSEYI DOGWOOD 18" HT MIN MEDIUM NATIVE DECIDUOUS 0 LAVANDULA ANGUSTIFOLIA'HIDCOTE' / HIDCOTE LAVENDER 18" HT MIN LOW EXOTIC EVERGREEN ® MAHONIA AQUIFOLIUM / OREGON GRAPE 18" HT MIN LOW NATIVE ® NANDINA DOMESTICA'MOON BAY' TM / HEAVENLY BAMBOO 18" HT MIN LOW EXOTIC EVERGREEN ® PHILADELPHUS LEWISII / WILD MOCKORANGE 18" HT MIN S POLYSTICHUM MUNITUM / WESTERN SWORD FERN 18" HT MIN LOW NATIVE EVERGREEN RS RIBES SANGUINEUM / RED FLOWERING CURRANT 18" HT MIN LOW NATIVE DECIDUOUS ® ROSA GYMNOCARPA / DWARF ROSE 18" HT MIN 0° VACCINIUM OVATUM / EVERGREEN HUCKLEBERRY 18" HT MIN LOW NATIVE EVERGREEN O VIBURNUM DAVIDII / DAVID VIBURNUM 18" HT MIN LOW EXOTIC EVERGREEN GROUND COVERS BOTANICAL / COMMON NAME CONT. WATER USE ORIGIN FOLIAGE ERICA CARNEA'SPRINGWOOD PINK' / PINK SPRING HEATH #1 LOW ADAPTIVE ® MAHONIA REPENS / CREEPING MAHONIA #1 LOW NATIVE EVERGREEN QTY REMARKS 5 NURSERY GROWN FOR STREET TREE USE. BRANCHED AT FIVE (5) FEET. 7 FULL AND MATCHIGN, UN -CUT LEADER, NUSERY GROWN 3 NURSERY GROWN FOR STREET TREE USE. BRANCHED AT FIVE (5) FEET. QTY REMARKS 9 NURSERY GROWN FOR STREET TREE USE. BRANCHED AT FIVE (5) FEET. DIAMETER AT BREAST HEIGHT SHALL BE MEASURED 4.5 FT ABOVE GRADE. 1 NURSERY GROWN FOR STREET TREE USE. BRANCHED AT FIVE (5) FEET. QTY REMARKS 5 4 NURSERY GROWN FOR STREET TREE USE. BRANCHED AT FIVE (5) FEET. SPACING QTY REMARKS 60" o.c. 21 48" o.c. 32 36" o.c. 19 54" o.c. 14 36" o.c. 60 48" o.c. 4 48" o.c. 68 72" o.c. 15 42" o.c. 11 54" o.c. 11 48" o.c. 27 SPACING QTY REMARKS 18" o.c. 109 FULL AND BUSHY 18" O.C. 2,146 FULL AND BUSHY SCALE: TYPICAL TREE PLANTING ISLAND IN A N.T.S PARKING LOT WITH CU—STRUCTURAL SOIL® DRAWN BY. BRD VARIES, 8' MIN 3" THICK BARK MULCH. NO SHREDDED BARK OR WOOD CHIPS TO LAY AGAINST TRUNK. SOIL MIX UNDER ROOTBALL SETTLED WITH WATER OR GENTLY TAMPED BEFORE TREE IS PLACED CURB PLANTING SOIL MIX AS SPECIFIED 4 VARIES I POROUS ASPHALT DESIRABLE BASE COARSE (6" TYPICAL) VARIES---- PRIZE 3644j. CU—STRUCTURAL SOIL® PREPARED SUBGRADE DRAINAGE PIPE TO STORM SYSTEM A TYPICAL 36' x 8' PARKING LOT ISLAND WITH 3' DEPTH OF SANDY LOAM SOIL CAN SUPPORT: WITH NO CU—STRUCTURAL SOIL® • 2 SMALL TREES (<30' TALL AT MATURITY) WITH 150 CU FT CU—STRUCTURAL SOIL® (EX. 36' x 4.25' x 31 • 1 LARGE TREE (30'-50' TALL AT MATURITY) WITH 1215 CU FT CU—STRUCTURAL SOIL® (EX. 36' x 12' x 3') • 1 VERY LARGE TREE (>50' TALL AT MATURITY) SMALL TREES LARGE TREE VERY LARGE TREE I CU—STRUCTURAL SOIL® LU a C Q L) LU fn J 0 D z o v O LL C z_ z � J e - :i a c c 16 a n Gi F 0 z It M 00 C14 LU U)0) 0 Q o O U) L ti LU (14Q C14 LU 00 W x U) O LL • f <I 0 o x C Iq y � N t 7 CD t C 1i C LU C N U, c4> M a' 00 7 N 0 N CO — C Q l0 C i3 m O N C m U °r Y 19 m ul Know what's below. Call before you dig. Dial 811 LANDSCAPE PLANTING NOTES AND MATERIALS SCOPE OF WORK FURNISH ALL MATERIALS, LABOR, EOUPMENT AND RELATED ITEMS NECESSARY TO ACCOMPLISH TOPSOIL, TREATMENT AND PREPARATION OF SOIL, FINISH GRADING, PLACEMENT OF SPECIFIED PLANT MATERIALS, FERRCER, STAKING, MULCH, CLEAN -LP, DEBRIS REMOVAL, AND 90-DAY MAINTENANCE. QUALIFICATIONS LANDSCAPE CONTRACTOR TO BE SKILLED AND KNOWLEDGABLE N THE FIELD OF WORK AND HAVE A MINIMUM OF FIVE (5) YEAR'S EXPERIENCE INSTALLING SIMILAR WORK CONTRACTOR TO BE LICENSED TO PERFORM THE WORK SPECIFIED WITHIN THE PRESIDING JURISDICTION. JOB CONDITIONS IT IS THE CONTRACTOR'S RESPONSIBILITY TO REVIEW THE SITE AND REPORT ANY DISCREPANCIES TO THE OWNER OR THE OWNER'S REPRESENTATIVES. ALL PLANT MATERIAL AND FINISH GRADES ARE SUBJECT TO APPROVAL BY THE OWNER. PROTECTION: SAVE AND PROTECT ALL EXISTING PLANTINGS SHOWN TO REMAIN. DO NOT PLANT UNTIL OTHER CONSTRUCTION OPERATKR8 WHICH CONFLICT HAVE BEEN COMPLETED. IF AN IFRIGATKKR SYSTEM IS TO BE INSTALLED DO NOT PLANT UNTIL THE SYSTEM HAS BEEN INSTALLED, TESTED, AND APPROVED BY THE OWNER HANDLE PLANTS WITH CARE - DO NOT DAMAGE OR BREAK ROOT SYSTEM, BARK, OR BRANCHES. REPAIR AND/OR REPLACE ITEMS DAMAGED AS A RESULT OF WORK, OR WORK NOT IN COMPLIANCE WITH PLANS AND SPECIFICATIONS, AS DIRECTED BY OWNER AT NO ADDITIONAL COST TO THE OWNER REPAIR OF EXISTING PLANTINGS DURING THE COURSE OF WORK, REPAIR ALL EXISTING PLANTING AREAS BY PRUNING DEAD GROWTH, RE-ESTABLISHP)G FINISH GRADE AND RE -MULCHING TO SPECIFIED DEPTH. IRRIGATION SYSTEM: LANDSCAPE CONTRACTOR TO VERIFY AVAILABLE WATER PRESSURE PRIOR TO BEGINNING ANY WORK ON THE PROPOSED IRRIGATION SYSTEM. PROVIDE WRITTEN RESULTS OF WATER PRESSURE TO LANDSCAPE ARCHITECT REPAIR OF IRRIGATION SYSTEM: DURING THE COURSE OF WORK, REPAIR ANY DAMAGE TO THE IRRIGATION SYSTEM TO MATCH CONDITIONS PRIOR TO THE DAMAGE. GUARANTEE GUARANTEE ALL PLANT MATERIAL FOR A PERIOD OF ONE YEAR FROM DATE OF FINAL ACCEPTANCE OF THE JOB BY OWNER. 60-DAY MAINTENANCE - CONTRACTOR TO PROVIDE OWNER WITH A SCOPE OF WORK AT TIME OF INITIAL PROJECT BID TO PROVIDE LANDSCAPE AND IRRIGATION MAINTENANCE FOR 60 DAYS FOLLOWING STORE OPENING. WORK TO INCLUDE MAINTENANCE AS DESCRIBED BELOW, IN PLANTING AND IRRIGATION MAINTENANCE. SUBMITTALS SUBMIT FIVE (5) COPES THE FOLLOWING TO THE LANDSCAPE ARCHITECT FOR REVIEW AND APPROVAL PRIOR TO THE START OF ANY WORK: A) DOCUMENTATION THAT ALL PLANT MATERIAL HAS BEEN ORDERED. B) TOPSOIL ANALYSIS AND RECOMMENDED AMENDMENTS. C) TREE STAKING AND GUYING MATERIALS. D) ONE (1) OUART SIZE OF TOPSOIL AND MULCH, E) PLANTING SCHEDULE INCLUDING DATES AND TIMES. F) MAINTENANCE INSTRUCTIONS FOR ONE (1) FULL YEAR. MATERIALS: FLANT MATERIALS PLANT MATERIALS TO BE GRADE NO. 1, SIZED IN ACCORDANCE WITH (AAN) AMERCAN STANDARDS FOR NURSERY STOCK (ANSI Z60.1-2004). PRUNE PLANTS RECEIVED FROM THE NURSERY ONLY UPON AUTHORIZATION BY THE LANDSCAPE ARCHITECT. 'B + IT INDICATES BALLED AND BURLAPPED'00NI INDICATES CONTAINER BR` INDICATES BARE ROOT:'GAU INDICATES GALLON. A) SPECFED PLANT CANOPY SIZE OR CALIPER IS THE MINIMUM ACCEPTABLE CONTAINER OR BALL SIZE AND ESTABLISHES MINIMUM PLANT CONDITION TO BE PROVIDED. B) OUALITY: PLANT MATERIAL TO COMPLY WITH STATE AND FEDERAL LAWS FOR DISEASE INSPECTION, PLANTS TO BE FULLY LIVE, VIGOROUS, WELL FORMED, WITH WELL DEVELOPED FIBROUS ROOT SYSTEMS. ROOT BALLS OF PLANTS TO BE SOLD AND FIRMLY HELD TOGETHER SECURELY CONTAINED AND PROTECTED FROM INJURY AND DESICCATION. PLANTS DETERMINED BY LANDSCAPE ARCHITECT TO HAVE BEEN DAMAGED: HAVE DEFORMITIES OF STEM, BRANCHES, OR ROOTS LACK SYMMETRY, HAVE MULTIPLE LEADERS OR CROTCHES LESS THAN 30 DEGREES IN TREES, OR DO NOT MEET SIZE OR ANSI STANDARDS WILL BE REJECTED. PLANT MATERIAL TO BE FROM A SINGLE NURSERY SOURCE FOR EACH SPECIFIED SPECES/HYBRID. NURSERY SOURCES TO BE THOSE LOCATED IN THE SAME REGION AS THE JOB SITE. C) SUBSTITUTION: NO SUBSTITUTION OF PLANT MATERIAL, SPECIES OR VARIETY, WILL BE PERMITTED UNLESS WRITTEN EVIDENCE IS SUBMITTED TO THE OWNER FROM TWO OUALIFIED PLANT BROKERAGE OFFICES. SUBSTITUTIONS WHICH ARE PERMITTED TO BE IN WRITING FROM THE OWNER AND LANDSCAPE ARCHITECT. THE SPECIFIED SIZE, SPECIES AND NEAREST VARIETY, AS APPROVED, TO BE FURNISHED. SUBSTITUTIONS MAY REWIRE SUBMITTAL TO REVISED LANDSCAPE PLAN TO CITY FOR APPROVAL D) LABEL AT LEAST ONE (1) TREE, SHRUB, AND GROUNDOOVER OF EACH VARIETY WITH A SECURELY ATTACHED WATERPROOF TAG BEARING LEGIBLE DESIGNATION OF BOTANICAL AND COMMON NAMES. E) DELIVER PLANT MATERIAL AFTER PREPARATION OF PLANTING AREAS HAVE BEEN COMPLETED AND PLANT IMMEDIATELY. P PLANING IS DELAYED MORE THAN SIX (6) HOURS AFTER DELIVERY, SET MATERIAL INSHADE, PROTECT FOR WEATHER AND MECHANICAL DAMAGE, AND KEEP ROOT BALLS MOIST BY COVERING WITH MULCH, BURLAP OR OTHER ACCEPTABLE MEANS OF RETAINING MOISTURE. P:vh w 0N4e.rcau mUwreert. epkr..am, lenekigee4lrte�Nerte�IS y'oNN[eG None . No CnepterFleece �wtl me W or Nrnfie M xoarsl-aeou Iarmorelmomeauon. CRITICAL AREA SIGNAGE LANDSCAPE and IRRIGATION SET FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON SOIL PREPARATION TOPSOIL, AMENDMENT, AND BACKFLL, ARE GENERAL REOUIREMENTS FOR ALL LANDSCAPE AREAS, UNLESS NOTED OTHERWISE ON THE PLANS. SOL AMENDMENTS AND FERTILIZER NOTED BELOW ARE TO BE USED FOR BID PRICE BASIS ONLY. SPECIFIC AMENDMENTS AND FERTILIZERS WILL BE MADE AFTER SOIL SAMPLES ARE LABORATORY TESTED BY THE CONTRACTOR. PROVIDE CHANGE ORDER FOR ADDITIONAL OR RBDUCTION OF MATERIALS REQUIRED OR NOT REQUIRED BY THE SOILS REPORT. SOIL FERTLTY AND AGRICULTURAL SUITABILITY ANALYSIS AFTER ROUE( GRADING AND PRIOR TO SOIL PREPARATION, CONTRACTOR TO OBTAIN TWO REPRESENTATIVE SOIL SAMPLES, FROM LOCATIONS AS DIRECT® BY THE LANDSCAPE ARCHITECT, TO A SOIL TESTING LABORATORY. SUBMIT RESULTS TO LANDSCAPE ARCHITECT FOR REVIEW. TESTS TO INCLUDE FERTILITY AND SUITABILITY ANALYSIS WITH WRITTEN RECOMMENDATIONS FOR SOIL AMENDMENT, FERTILIZER, CONDITIONERS, APPLICATION RATES, AND POST -CONSTRUCTION MAINTENANCE PROGRAM. TESTS TO BE CONTRACTED WITH AND PAID FOR BY THE CONTRACTOR A) TOPSOIL: CONTRACTOR IS RESPONSIBLE FOR SUPPLYING ALL TOPSOIL AND FOR DETERMINING THE VOLUME OF TOPSOIL REQUIRED PER THE INFORMATION ON PLANS AND NOTED HEREIN. CONTRACTOR IS RESPONSIBLE FOR ANY NECESSARY WEED CONTROL RESULTING FROM CONTAMINATED OFF SITE SOURCES. B) TOPSOIL TO CONSIST OF WINTER MIX AS PRODUCED AND REMIXED BY PACIFIC TOPSOILS, INC. WNTER MIX TO CONSIST OF 1/3 BY VOLUME SANDY LOAM, 1/3 BY VOLUME COMPOSTED GARDEN MULCH, AND 113 BY VOLUME COARSE WASHED SAND OR EGUIVALENT. AT MINIMUM, TOPSOIL PRODUCTS BROUGHT ON SITE TO CONTAIN AMENDMENTS AS LISTED IN 'C'. C) TOPSOIL TO INCLUDE THE FOLLOWING AMENDMENTS AS NECESSARY: THE FOLLOWING AMOUNT PER 1,OD0 SOUARE FEET: 1. 6-CUBIC YARDS ORGANIC COMPOST. COMPOST TO BE FREE OR NON -FARM ANIMAL SOURCES, NOR TO BE FROM SOURCES CONTAINING REDWOOD OF CEDAR PRODUCTS. 2. 30-POUNDS NTROFORM (38-0-0) 3. 5-POUNDS AMMONIUM SULFATE 4. 40-POUNDS CALCIUM CARBONATE LIMESTONE 5. 4D-POUNDS DOLOMITE LIMESTONE 6. 5-OUNES BORON (AS BORAX) ALL AMENDMENTS TO BE THOROUGHLY MIXED PRIOR TO INCORPORATION INTO TOPSOIL. D) PLANTING BACKFLL FOR ALL TREES, SHRUBS, AND GAOUNDCOVERS: t 0.6-CUBIC YARDS PER VOLUME TOPSOIL 2.0.4-CUBIC YARDS ORGANIC COMPOST. 3. 3-POUNDS NM30FORM (38-0-0) 4 I -POUNDS AMMONIUM IUM SULFATE 5. 2-POUNDS CALCIUM CARBONATE LIMESTONE 6. 2-POUNDS DOLOMITE LIMESTONE E) TOPSOIL PREPARATION AND INSTALLATION t VERIFY SUBGRADES TO-71NCHES IN LANDSCAPE AREAS AND-181241NCHE3 IN PARKING LOT ISLANDS BELOW FLASH ELEVATION, OR AS INDICATED ON PLANS. THIS ACCOMMODATES, TOPSOIL, AMENDMENTS, AND MULCH. 2. ERADICATE ANY SURFACE VEGETATION ROOTED IN THE SUB -GRADE PRIOR TO SUB -GRADE PREPARATION. 3. THOROUGHLY SCARIFY AND RIP ALL LANDSCAPE SUB -GRADES WHICH HAVE BECOME COMPACTED TO A DEPTH OF 12 INCHES WITH MULTIPLE PASSES, 90 DEGREES TO EACH OTHER SCARIFY AREAS INACCESSIBLE TO MECHANIZED ECUIPMENT AND AROUND EXISTING PLANTINGS NOTED TO REMAIN WITH HAND TOOLS 4. REMOVE SOL LUMPS, ROCK, VEGETATION AND/OR DEBRIS LARGER THAN 2 INCHES FROM ALL SUB-GiHADE PRIOR TO PLACEMENT OF SPECIFIED TOPSOIL- 5 REMOVE ANY ASPHALT EXTENDING BEYOND 6 NICHES FROM CURBS INTO ADJACENT LANDSCAPE AREAS 6. PARKING LOT PLANTER ISLANDS TO BE OVER EXCAVATED BY BACKHOE. REMOVE PAVING WASTE, GRAVEL BASE MATERIAL AND UNDERLYING SUBSOIL TO 18 INCHES BELOW TOP OF PAVING. SCARIFY AND OVER EXCAVATE PLANT PT BOTTOM 12 INCHES TO MINIMIZE STRUCTURAL COMPACTION. T7 TOPSOIL PLACEMENT: 1. PROM DE A TOTAL FINISH COURSE OF 41NCHES OF TOPSOIL FOR LANDSCAPE AREAS AND 181 INCHES IN PARKING LOT ISLANDS. 2. IN ALL LANDSCAPE AREAS, PLACE 2 INCHES (6 INCHES IN PARKING LOT ISLANDS) OF TOPSOIL MIX WITH AMENDMENTS OVER THE PREPARED SUB -GRADE AND THOROUGHLY ROTOTLL WITH MULTIPLE PASSES INTO THE TOP 6 INCHES OF SUB -GRADE FOR A TOTAL DEPTH OF 8 INCHES IN LANDSCAPE AREAS (12 INCHES IN PARKING LOT ISLANDS). PLACE AN ADDITIONAL 21NCH LIFT OF TOPSOIL, IN ALL LANDSCAPE AREAS AND A MINIMUM 12 INCH LIFT IN ALL PARKING LOT ISLANDS, FOR THE FINAL TOPSOIL DEPTH OF 4 INCHES IN LANDSCAPE AREAS AND 18/24 NCHE3 N PARKING LOT ELANDS. 3. PLACE ADDITIONAL TOPSOIL AND SOIL MIX AS REOURED TO MEET FINISH ELEVATIONS. ORGANIC MUCH ROPDIRESSING: ONE -HALF -INCH (1/2) SIZE, TO ONE-OUARTER (1/41, HEMLOCKIFIR BARK. FIVE TEXTURED AND DARK BROWN IN COLOR STAKES: 2-INCH DIAMETER BY 8-FOOT MINIMUM LODGEPOLE PINE STAKES GUY MATERIAL: 1-INCH WIDE POLYETHYLENE CHAIN LOCK TYPE TIES OR, 3/8' DIAMETER RUBBER. NO WIRE LAWN: COMMERCIAL SEED AS NOTED ON PLAN. HERBICIDE HERBICIDE IS NOT RECOMMENDED FOR THE FIRST YEAR AFTER NSTALLATION. ANTI -DESICCANT 'WILT -PROOF; 48 HOURS PRIOR TO SHIPMENT TO SITE FROM JUNE 1 THROUGH SEPTEM BER. THOROUGHLY ROOT WATER PLANTS PRIOR TO DELIVERY. PLANT MATERIAL DELIVERED TO SITE TO BE KEPT CONTINUALLY MOIST THROUGH INSTALLATION. EXECUTION CONTAMINANTS: VERIFY THAT ALL SOIL CONTAMINANTS (EG, PAINT, SEALANTS, SOLVENTS, OILS, CREASES, CONCRETE/ASPHALT SPOILS, ETC.) HAVE BEEN SATISFACTORY REMOVED FROM ALL PLANTING AREAS. DO NOT BEGIN WORK UNTIL UNSATISFACTORY CONDITIONS HAVE BEEN CORRECTED. FINISH GRADES: FINE GRADE AND REMOVE ROCKS, DEBRIS, AND FOREIGN OBJECTS OVER 2 INCHES DIAMETER FROM TOP SURFACE OF PREPARED LANDSCAPE AREAS. FINISH ELEVATIONS TO BE DEFINED AS 3 INCHES BELOW CURBS, WALKS AND/OR OTHER ADJACENT HARDSCAPE FOR ALL PLANINGN BED AREAS AND 1-CH BELOW CURBS, WALKS AND/OR OTHER ADJACENT HARDSCAPE FOR ALL LAWN AREAS FINISH GRADE REFER TO GRADES PRIOR TO NSTALLATION OF MULCH OR LAWN ALL FINISH GRADES TO BE SMOOTH EVEN GRADES, LIGHTLY COMPACTED, AS SHOWN ON THE PLAN AND DETAILED. PROVIDE POSITIVE DRAINAGE AWAY FROM BUILDINQ3 AND STRUCTURES. SITE CIVIL DRAWINGS IDENTIFY FINAL ELEVATIONS. MOISTEN PREPARED AREAS BEFORE PLANTING IF SOIL IS DRY. WATER THOROUGHLY AND ALLOW SURFACE TO DRY BEFORE PLANTING. DO NOT CREATE MUDDY SOIL. TREES AND SH11 UBS: ARRANGE TREES AND SHRUBS ON SITE N PROPOSED LOCATIONS PER DRAWINGS EXCAVATE PT, PLANT AND STAKE OR GUY, AS CALLED OUT AND DETAILED. ALL TREES, SHRUBS, AND SUPPORTS TO STAND VERTICAL. BACKFILL SHALL BE PT SPOILS. SETTLE BACKFLL USING WATER ONLY. NO MECHANICAL COMPACTION. GOUNDOOVERS: EXCAVATE PITS TO A MI MUM OF 3 INCHES BELOW, AND TWICE THE ROOT BALL DIAMETER. WATER THOROUGHLY AND TAKE CARE TO ENSURE THAT ROOT CROWN IS AT PROPER GRADE, AS DETAILED. MULCH MULCH ALL LANDSCAPE AREAS NOT COVERED BY LAWN AND/OR SEED. APPLY SUFFICIENT QUANTITY TO PROVIDE A 2-NCH DEPTH. UTILITY CLEARANCES FIELD ADJUST PLANT LOCATIONS FOR 8-FOOT SEPARATION OF TREES/SHRUBS AND 2-FOOT SEPARATION FOR GROUNDCOVER FROM FIRE HYDRANTS AND UTILITY VAULTS. CLEANUP AND PROTECTION: DURING LANDSCAPE WORK, KEEP ALL PAVEMENT CLEAN AND WORK AREAS N AN ORDERLY CONDITION. PROTECT LANDSCAPE WORK AND MATERIALS FROM DAMAGE DUE TO LANDSCAPE OPERATIONS AND TRESPASSERS MAINTAIN PROTECTION DURING INSTALLATION AND MAINTENANCE PERIOD. TREAT, REPAIR OR REPLACE DAMAGE LANDSCAPE WORK AS DIRECTED BY THE OWNER. T 2) SPLIT CEDAR RAILS TOE -NAILED TO POST (16d) — 0 6' MIN. SPLIT CEDAR POSTS - PRE -BORED TO RECEIVE RAILS - PRE -TREAT 3' FOR GROUND -i CONTACT. - DIRECT BURY POST. CLEAN MINERAL =� SOIL BACKFILL COMPACTED TO 95%. I FINAL GRADE —III—I II LJ NOTES: 1. RAIL FENCE TO ALIGN WITH LAND GRADIENT 2. TREAT WITH CLEAR PRESERVATIVE UPON COMPLETION OF ERECTION 3. ALL FASTENERS TO BE GALV. STEEL SPLIT -RAIL FENCE DETAIL NOT TO SCALE PRUNE DAMAGED TWIGS AFTER PLANTING PLACE N VERT. POSITION: DOUBLE LEADERS WILL BE REJECTED NOTE KEEP ROOTBALL MOIST AND PROTECTED AT ALL TIMES. HOLD CROWN OF ROOTBALL AT OR JUST ABOVE FINISH GRADE. PROTECT TRUNK AND LIMBS FROM INJURY. BACKFILL TO BE SETTLED USNG WATER ONLY - NO MECHANICAL COMPACTION. REMOVE ALL WRAP, TIES +CONTAINERS, REGARDLESS OF MATERIAL PROTECTIVE WRAPPING DURING SHIPMENT TO SITE AND INSTALLATION REMOVE AT COMPLETION OF PLANTING MAINTAIN 4- RADIUS MULCH -FREE RING AROUND BASE OF TREE — WHEN INSTALLED IN LANDSCAPE BEDS LAWN PLANTING PROVIDE 3' H'NO GRASS' TREE RING AND T DEEP MULCH LAYER IN WELL FLASH GRADE PREPARE PLANTING BED PER SFEC'S AT MIN, LCOSEI AND MIX SOL TO 1Y OR DEPTH OF ROOTBALL AND 2 TIMES BALL DIAMETER REMOVE ALL WRAP, TES, AND CONTAINERS — SCORE ROOTBALL AND WORK NURSERY SOIL AWAY FROM PERIMETER ROOTS SET BALL ON UNDISTURBED BASE OR COMPACTED M UNDER BALL DECIDUOUS TREE PLANTING/STAKING DETAIL NOT TO SCALE MAX TOP OF CURB TOP OF MULCH MULCH AT CURB DETAIL NOT TO SCALE SHRUB - PRUNE AS DIRECTED BY LANDSCAPE ARCHITECT J_ W Q a � Q w U � U) in C Z (a J W W 0 LLO Q Z Z LU � Q W cn a Z Z Q J MAMAIN 4' RADIUS MULCH -FREE RING AROUND BASE OF SHRUB u S d FOLD MULCH FROM STEM _ MULCH LAYER �I F 4' SAUCER FOR WATERING BACKFLL TO BE A MIX OF TOPSOIL, FERTILIZER, AND PEAT MOSS SCARIFY ROOTBALL ON CONTAINER MATERIAL REMOVE TOP 1/3 OF BURLAP ON B+B MATERIAL DUST ROOT BALL WITH ROOT GROWTH HORMONE 3x THE ROOTS LL DIAMETER NOTE: APPLY ADDITIONAL 4 OZ. 8-32-16 FERTILIZER INTO TOP Y OF PLANTING MIX PLANT SHRUB HIGH ENOUGH TO ALLOW POSITIVE DRAINAGE AWAY FROM ROOTBALL. ROUGHEN ALL SURFACES OF FT. CUT AND REMOVE BURLAP FROM ROOT BALL SHRUB PLANTING DETAIL NOT TO SCALE LAYER 1CTED DEPTH) T MULCH AT CROWN 1/2' ABOVE GRADE T ABOVE GRADE — NOTE:.h— REMOVE CONTAINER + WORK ROOTS 1ti. FREE OF SOIL BACKFILL TO BE SETTLED USING WATER ONLY SEE PLANT LIST FOR PLANT SPACING LESS THAN 1 GAL 1 GAL CONTAINER and LARGER ( PLANT ED BEFORE MULCH) ( PLANTED BEFORE MULCH ) GROUNDCOVER PLANTING DETAIL NOT TO SCALE OVERALL TOPSOIL DEPTH OF 3 FEET (24' DEPTH TOPSOIL + 12 SUBGRADE) BERM HEIGHT 6' MIN. SOIL LINE 3' N MULCH, T N LAWN SUBGRADE REMOVE EXCESS GRAVEL 0 AND PAVING COARSE TRANSITION FROM TOP80L TO SUBSOIL NOTE: OVER EXCAVATE PARKING LOT PLANTERS TO LOOSEN COMPACTED SUBBASE PARKING LOT PLANTER DETAIL NOT TO SCALE SETTLED :TED CONDITION) -1-1/2DRAIN AT LOW POINTS+ 1P SPADING MAXIMUM + —r PAVING (SEE CIVIL PLANS) MAX LP 0 Z It M W >. 0 Q0 CD O U) W ti W N Q N W 00 Lu x U) 0 O LL x _ > B m ul Know what's below. Call before you dig. Dial 811 IRRIGATION POC LANDSCAPE and IRRIGATION SET FOR GREENWOOD HEATING PTN OF THE SE 1/4, OF THE SW 1/4 OF SEC. 14, TWP. 23 N., RGE 4 EAST, W. M. CITY OF TUKWILA KING COUNTY STATE OF WASHINGTON IRRIGATION SCHEDULE DESCRIPTION d i= w a Q U Z m Q � J Z a J Z 0 a LL o Q z 0_ J � W a DRIP IRRIGATION: NETAFIM LANDSCAPE DRIPLINE COMPONENTS WITH NETAFIM TWIST LOCK FITTINGS AND ADAPTORS NCZ-IS 1 INCH NETAFIM CONTROL ZONE KIT WITH SCREEN FILTER, 50 PSI TLCV4 18025 DRIP TUBING TLSB TUBING STAPLES, 3' ON -CENTER SYMBOL NOZZLE PSI GPM RADIUS SPRINKLER HEADS: Z HUNTER MP ROTATOR WITH PRO -SPRAY PRS-40 POP-UP BODY AND CV DRAIN CHECK VALVE, 4" POP -UPS FOR ALL LAWN ARE It HUNTER-1000 8-15 F, TH. TT, H. 0 SERIES 40 0.84, 0.63. 0.49, 0.42. 0.21 8' ~ ~ Q W 00 N < HUNTER-1000 8-15 F, TH, TT, H, Q SERIES 40 0.65, 0.48, 0.37, 0.32. 0.16 10' LLI >. 0 Q Q o HUNTER-1000 8-15 F, TH, TT, H. Q SERIES 40 0.65, 0.48, 0.37, 0.32, 0,16 12' � HUNTER-2000 13-21 F, TO, TT, H, 0 SERIES 40 1.48, 1.10, 0.86, 0.77. 0.43 15' Q (n LLI ti HUNTER ES515, SS530 SERIES 40 1.41, 0.65 5'a30' H r 5'z15' Z L i- LU CD ' N Q W 00 W HUNTER-3000 13-21 F, TO, TT, H, 0 SERIES 40 3.64, 2.73. 2.12, 1.82, 0.86 30' DESCRIPTION C9 ® DRIP IRRIGATION: 1 INCH NETAFIM CONTROL ZONE KIT WITH SCREEN FILTER, 50 PSI. ONE VALVE PER BOX SPRAY IRRIGATION: HUNTER ICV 101/151G REMOTE CONTROL VALVE, IN VALVE BOX, ONE VALVE PER BOX — `o ILLHUNTER MINI-CLIK WIRED RAIN SENSOR of; WA3y/ O HUNTER XC-HYBRID BATTERY -OPERATED IRRIGATION CONTROLLER, PROVIDE BATTERIES PER MFR. �0�® SPECS. P.O.C. �M WILKINS 950 XLT- 1" DOUBLE CHECK VALVE (STATE APPROVED); TEST AND CERTIFICATION BY LICENSED ° O BACKFLOW TESTER ea WILKINS 850 - BALL VALVE, SIZE TO MATCH PIPE CARSON INDUSTRIES #1730 (TWO AT P.O.C.) GRADE LEVEL VAULT WITH BOLT LOCK LID meP® 4b.ns0� q�+� �ND3CAP�P H PLASTIC BALL VALVE, MATCH LINE SIZE, IN VALVE BOX Q HUNTER HO-33DLRC 3/4" QUICK COUPLING VALVE, IN VALVE BOX, PROVIDE TWO KEYS AND SWIVELS - - - MAINLINE - SCH 40 PVC (18" COVER); SIZE PER PLAN, 2" SIZE MINIMUM LATERAL - SCH 40 PVC (12" COVER); SIZE PER PLAN, 3/4" SIZE MINIMUM SLEEVE - CLASS 200; 24" MINIMUM COVER AT VEHICLE CROSSINGS AND 18" MINIMUM & o COVER IN LANDSCAPE AREAS, 6" SIZE. WHERE ONLY A SINGLE LATERAL IRRIGATION LINE RUNS THROUGH ` ` 9 THE SLEEVE, 4" DIAMETER CLASS 200 PIPE IS ALLOWED. ALL SLEEVES THAT ARE TO BE LOCATED o 0 UNDERNEATH ROADS SHALL BE 6" DIAMETER. — — IRRIGATION SHOWN DIAGRAMATICALLY FOR PLAN CLARITY. COMMON TRENCH AND PLACE C s - - - - - EQUIPMENT IN LANDSCAPE; MANIFOLD GROUPED VALVES IN ADJACENT SHRUB AREAS WHERE t} FEASIBLE. yj SCH 40 PIPE SIZING CHART a PIPE SIZE 3 4" 1 1" 11 1/4" 11 1 2" 1 2" 2 1 2" °� V) FLOW C (D 1i GPM 1-8 8.1-13 13.1-23 23.1-32 32.1-53 53.1-74 GPM (MAX.) 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