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HomeMy WebLinkAboutSEPA EPIC-29-89 - MIKAMI MATT - FILLMIKAMI FILL PERMIT 16813 SOUTHCENTER PARKWAY EPIC -29 -89 STATE OF WASHINGTON DEPARTMENT OF ECOLOGY , F. NOV 6 1989 I Mail Stop PV -11 • Olympia, Washington 98504 -8711 • (206) 459 -6000 i I November 3, 1989 R E,t {: I, -, Mr. Rick Beeler, Director City of Tukwila Planning 6200 Southcenter Boulevard Tukwila, WA 98188 Dear Mr. Beeler: Thank you for the opportunity to comment on the determination of nonsignificance for the filling and grading by Mr. Matt M. Mikami (file EPIC 29 -89). We reviewed the environmental checklist and have the following comments. 1. Based on information provided in the checklist, it ap- pears that wetlands are present on the site. A qualified consultant should be hired to delineate the wetland bound- aries using the three - parameter methodology. A report should be prepared that includes information on the functions and values provided by the wetland, and the potential impacts to these functions resulting from the proposed project. Project design should avoid or minimize impacts to the wetland where possible. Proposed mitigation to compensate for unavoidable impacts should be included in the wetland report. Ecology staff would appreciate the opportunity to review and comment on the wetland report when it is completed. 2. We are concerned with impacts to bog or peatland systems. Peat forms at the rate of one inch in 40 years, so a deep peat deposit took hundreds of years to form. These systems are very acidic, with a pH as low as 4.0 (drinking water av- erages a pH of 7.0). Nitrogen and phosphorus, nutrients which are critical to plant growth, are limiting factors, and a specialized flora occurs which is especially adapted to this situation. Due to plant communities which are often very specialized and uncommon, and the length of time it took the system to form being unmitigatable within the context of our lifetimes, these systems warrant special consideration. An influx of stormwater or runoff from lawns with fertiliz- ers, pesticides and possible septic leachate can sig- nificantly alter or disturb the wetland. Grassy swales and channelization of water away from the bog system is;impor- tant, along with wider buffers than those for most wetland systems. A minimum buffer of 100 feet is usually necessary to protect wetland values and functions. Letter to Rick Beeler November 3, 1989 Page 2 Peat soils are an indication of yearly and long -term satura- tion. They have very high water retention capacity, provid- ing floodwater retention, groundwater exchange, and regulated release of water throughout the year. If peat systems are associated with ponds or lakes, they provide good wildlife habitat. Because peat systems can be unstable, they could prove to be a safety hazard or liability if young children are playing around them. The peat could break away, and a child could fall through to the water. We recommend fencing or prohibit- ing public access except for guided tours on boardwalks if this situation occurs. If you have specific questions about the hydrology or com- plexity of a bog on site, please contact Michelle Stevens at (206) 459 -6765. 3. The placement of any fill in wetlands may require a Sec- tion 404 Permit from the U.S. Army Corps of Engineers. If you have any questions, please call Mr. Bill Leonard of the Wetlands Section at (206) 438 -7161. Sincerely, 4,44 Donald J. Bales Environmental Review Section DJB: cc: Bill Leonard Michelle Stevens WAC 197 -11 -970 DETERMINATION OF NONSIGNIFICANCE • Description of Proposal FILL APPROXIMATELY 9,000 CU. YDS. AND INCORPORATING THOSE PRACTICES AND ACTIONS SPECIFIED BY THE PUBLIC WORKS DEPT. IN THEIR LETTER OF OCTOBER 20, 1989 (ATTACHED)01i sdhlp D >E-L 2,/ I `( ci' 6a04- r I ATiGki p-isi3ca- s F.taj Amo Mstt' M,116 l • Proponent MATT M. MIKAMI Location of Proposal, including street address, if any 16813 SOUTHCENTER PY, TUKWILA, WA 98188 IN THE S.W. 1/4 OF SEC. 26, TWN 23, RGE 4. Lead Agency: City of Tukwila File No. EPIC -29 -89 The lead agency for this proposal has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21C.030(2)(c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request. (l There is no comment period for this DNS This DNS is issued under 197 -11- 340(2). Comments must be submitted by . The lead agency will not act on this proposal for 15 days from the date below. Responsible Official Rick Beeler Position /Title Address Date Planning Director 6200 Southcenter Boulevard, Tuk Signature ..sf 10.2 Phone 433 -1846 188 You may appeal this determination to the City Clerk at City Hall, 6200 Southcenter Boulevard, Tukwila, WA 98188 no later than 10 days from the above date by written appeal stating the basis of the appeal for specific factual objections. You may be required to bear some of the expenses for an appeal. Copies of the procedures for SEPA appeals are available with the City Clerk and Planning Department. FM.DNS Kam" OCTOBER 24 1989 AS A CONDITION OF THE ISSUANCE OF THE GRADE AND FILL PERMIT FOR THE PROPERTY SHOWN BELOW I CERTIFY: I have read, understand, and agree to the provisions of the public Works letter to Robert Schofield, dated October 20, 1989. SUBJECT: Conditions on fill and Grade Permit, 16813 Southcenter Parkway, Tukwila, WA. Additionally, I understand that if a letter of credit or other instrument acceptable to the City of Tukwila, cannot be provided, that all permits will be revoked and the undersigned parties agree to full restore the site to its original condition; to wit: removal of all fill material, replacement•of any erosion control devices and repair of any and all damages to public or adjoining private facilities. It is further agreed that the afore mentioned. letter of credit must be presented within seventytwo (72) hours from the issuance of the permit. C 4 /i. t1.��.,. c/ MATT M. MIKAMI ROBERT.H. SCHOFIELD' - ,2t? / o- 2/ -/947 DATE DATE tlll;(1J1 f p;�trry ruh!ic in and t-r ha State r4 v: n111inr;tnn. nwsiding ;tt c c k , • • i t..• Ogden. Barrett Notw1 Public Redding In federal Way, WA (King) County My Commission Expires July B 1992 STATE OF WAS l-{ 4 COUNTY OF V-1 NC? . SS • On this day personally appeared before me 11 A T l + f' 1 . i` r i t<•/k-r t Ai iD I E Df3ETi+ !-1 . LLB , to me known to be the Individual(s) described In and who executed the within and foregoing instrument, and acknowledged that the y v6 signed the same as TH e' free and voluntary act and deed, for the uses and purposes therein mentioned. GIVEN under my hand and official seal this 2 / 1. day of , t )t . t.i Ve7544111 Irgt and for the Slate of 1,1 /LS /. I ti61'c.�R.l Et %'1:, Q cp nTAn fp • Opium Ammitt_ Miry Mlle Rdfdtnt hi Waal ttbl, C I at iktine County My Commission Expires My 1, 1992 i s • .�►. PUBL1C �z- 14.% rrr�`8 -9Z r- ,1g59 • Mr. Robert H. Schofield 4212 Hunts Point Road Bellevue, WA 98004 c. . ,� - •t( October 20, 1989 Mr. Jim Lutz District Utilities Engineer Washington State Dept. of Transportation District #1 13525 SE 30th Pl. Bellevue, WA 98007 -6538 RE: My letter of September 27, 1989 Dear Mr. Lutz: The City of Tukwila, as a part of issuing my fill and grade permit for the property at 16813 South Center Parkway in the above referenced letter, has asked for a letter stating our status. 1. I have given them a copy of my September 27, 1989 letter and told them we had a meeting. 2. The results of that meeting were: You would begin processing my requests. Based on the work we did on the adjoining land last year, and the fact that no water is now passing through culvert, you felt my request to be reasonable, and that subject to my buying out the easement, you felt the request would be granted. If my request were for removal of the easement were not granted then I would meet the conditions per our legal documents to the satisfaction of the State DOT. Please let me know if the above does not accurately reflect our work to date. Sincerely, O'-cam// • Robert H. Schofield CC: Phil Fraser Senior Engineer City of Tukwila • OCTOBER 2X, 1989 AS A CONDITION OF THE ISSUANCE OF THE GRADE AND FILL PERMIT FOR THE PROPERTY SHOWN BELOW I CERTIFY: I have read, understand, and agree to the provisions of the public Works letter to Robert Schofield, dated October 20, 1989. SUBJECT: Conditions on fill and Grade Permit, 16813 Southcenter Parkway, Tukwila, WA. Additionally, I understand that if a letter of credit or other instrument acceptable to the City of Tukwila, cannot be provided, that all permits will be revoked and the undersigned parties agree to full restore the site to its original condition; to wit: removal of all fill material, replacement of any erosion control devices and repair of any and all damages to public or adjoining private facilities. It is further agreed that the afore mentioned letter of credit must be presented within seventytwo (72) hours from the issuance of the permit. MATT M. MIKAMI ROBERT H. SCHOFIELD Lo - - /Wj / -j (-7 DATE DATE ;1 'i 1,.,... l:... this. UO3 _�. t:�t try P'ub'ic in ,n-1 icy ti:3Si3tn r 1l:aC.rin�lnn, IirSidin^ nt } c 1. . 1 1 • A Darlene Barrett Rotary Public Residing In Federal tray, r.'A (King) County My Commission Expires July 8, 1992 • STATE OF 1./kiASir • COUNTY OF yr n1C7 . SS On this day personally appeared before me AND R D/3CT1 /-i . $,C4(:iU!7-/c:L!_� 1'! A 1.7-- /\ , to me known to bo the individual(s) described In and who executed the within and foregoing instrument, and acknowledged that H At' signed the same as 7/1 e wL hey free and voluntary act and deed, for the uses and purposes therein mentioned. GIVEN under my hand and official seal this 2 / i day of 'r.f11/.3ti (`N i 19l1Lbile,in and for the Slate of I .? , SIGN t 4, ' ' S Q- t° /�‘`.r Out Rime llotu2 Public Ressidinst in Federal 1i, i Q NA �'at 'Y!� kind County My Commission Expires July 8, 1992 `A5. PUBLIC : I s, _;, , /.,, ,19(`7 i�-•e -- `.`dry \VILA City of Tukwila PUBLIC WORKS DEPARTMENT -1 6300 Southcer Ater BouIev(j, J Tukwila, Washington 98188 (206) 433 -0179 190E Ross A. Earnst, P.E. Director October 20, 1989 Robert A. Schofield 4212 Huntspoint Road Bellevue, Wa. 98004 RE: Hauling Permit, Temporary Street Use Permit Comments on Grade and Fill Permit (Grade and Fill Permit Provided Through Building Official) and Special Conditions for Pre - Development at 16813 Southcenter Parkway (Mikami /Schofield) Dear Bob; Public Works Department has reviewed Plan Sheet #89343.00 - Sheet 1 of 1, with the attached RZA October 13, 1989 sub - surface exploration and geotechnical engineering study for the proposed Southcenter retail parcel, and amendment dated October 19, 1989, for hauling permit purposes, and temporary erosion control facilities for recommendation of release of the grade and fill permit throught the Building Official. The following items have been recommended to the Building Official as conditions of his Grade and Fill Permit: 1. Developer provides correspondence commemorating WSDOT intent to release of their storm drainage easement on the subject property (Reference 10/20/89 letter enclosed). If WSDOT, upon further review, denies the developer's request for elimination of said WSDOT easement, or imposes other requirements on the developer due to said easement, the developer shall comply and assumes full liability for consequences of future WSDOT requirements. The developer and owner save and hold the City harmless from any actions of WSDOT resulting from this grade and fill operation. 2. Condition fill and temporary storm drainage erosion, control facilities in the existing public right of way S. 168th St.east of Southcenter Parkway) on the following: within four months of issuance of the Grade and Fill Permit the developer shall have the following accomplished (any site plan review approval is subject to the following being accomplished. a. City Council vacates S. 168th Street, east of Southcenter Parkway and sells said property to adjacent property owners (Matt Mikami and Puget Y . 5 Power). b. Matt Mikami, property owner of the subject development acquires transfer rights to Puget Power portion of vacated S. 168th Street. If the developer and owner fail to meet the above conditions "a" and "b" within four months after the date of issuance of the Grade and Fill Permit, the developer /owner agree to remove all material and drainage facilities and relocate said drainage facilities to within their existing property limits, within 30 days of written notification by the City to the owner, and to the satisfaction of the City. As part of this process and time frame, the revised Grade and Fill plan shall be prepared by the owner's engineer and at the owner's sole expense and submitted for City review for approval. 3. Grade and fill carried out on this site shall not presuppose that a future building permit or site plan is forthcoming; furthermore, the developer and owner shall take full liability for the cost of these improvements if their intended use is not achieved. No assumption will be made as to the final alignment of buildings or specific access to Southcenter Parkway and proposed 168th Street, including a future signalization or channelization for public streets required of this development. 4. The developer is now working with Public Works staff to determine the final alignment of South 168th Street, an acceptable alignment for the development access, appropriate rechannelization of Southcenter Parkway and signalization at a future S. 168th /Southcenter Parkway intersection. Until the findings of that study is complete to the satisfaction of Public Works, final access for future development shall not be presupposed by the configuration of the approved this grade and fill plan. 5. Per the enclosed amended report dated October 19, 1989, some residual settlement of surrounding public /private structures and utilities is possible. To monitor this settlement, a continual monitoring program by a licensed land surveyor, approved by the City, shall be provided, at the sole expense of the developer and owner. Included but not limited to this monitoring, shall be elevations taken under the following conditions: a. On the westerly curb /gutter in Southcenter Boulevard at 100 foot stations fronting the property and extending 100 feet both north and south of the property limits. b. Rim and invert elevations at MH's 6,7 and 8 per LID NO.32 Southcenter Sewer Extension Plans (on file at Public Works Engineering.) c. Elevations of nearest Puget Power structures. d. a,b and c shall be carried out prior to beginning filling operations, every 3 to 4 days during filling operations and weekly thereafter for a period of three weeks, and finally 1 additional time 30 days thereafter. This is a minimum requirement, but may be expanded at the direction of the City and /or the soils engineer of record if either party considers additional soils information is necessary. e. Collected data shall be reduced and provided immediately to both the City and to the soils engineer of record for their review. It is the sole responsibility of the soils engineer of record to respond to this data immediately upon receipt and in a timely manner terminate, correct or modify the fill operations if this data indicates that damage may occur to surrounding utilities or structures. The soils engineer of record shall immediately report to the City if such actions are deemed necessary. Also, in connection with residual settlement monitoring, the developer and owner, at their sole expense, shall have the City's public sewer TV'd (MH's 6 through 8) just prior to their filling operations; and also, TV'd again one week after the grade and fill operations are completed. If this sewer line is damaged or becomes dysfunctional as a result of the grade and fill or hauling operations then the owner, at his sole expense, shall rehabilitate or repair the facility, after submitting a plan to carry out such repair by a Licenses Civil Engineer registered in Washington State, with concurrance of said proposed plan by your soils engineer of record. This plan shall be reviewed for approval by Public Works. A contractor acceptable to the City and obtained by the developer shall carry out the work, all at the developer and owner's sole expense. 6. The developer and owner shall place a letter of credit with the City (per City Code) for $100,000 to warranty that if any damage to the sewer line, public infrastructure, or requirements of Puget Power, WSDOT or the City's Temporary Street Use Permit for the use of S. 168th Street are not met, the City will have recourse and take the appropriate actions. The City will give the owner written notice of any actions that need to be taken and allow the developer 30 days to accomplish the request through a contractor acceptable to the City. However, if an emergency arises, the City may utilize said funds to carry out whatever corrections it considers appropriate to provide a timely c remedy, and so charge the development. The City may stop the development at any time if in the City's opinion damage is occurring as a result of this development. 7. Since there is a concern by staff that the proposed wood piling identified in the soils report may cause some residual settlement to adjacent utilities, streets, and other structures, prior to future submittals, a supplemental soils report shall be provided in the future, dealing with this issue for City review and approval. 8. All storm drainage systems provided in this phase are considered temporary in nature and subject to change in location and materials. Specifically, ADS pipe identified for diversion of WSDOT drainage is not acceptible material as a permanent facility. Per the review of current FIRM maps, this property is not in a flood hazard area. By this grade and fill no flooding problem is anticipated and therefore, the FZC permit will be deferred until a building permit is applied for. Prior to carrying out any fill work on this site, the following Public Works permits will be required with this grade and fill operation. The Planning Director and Building Official shall approve the release of these permits. NOTE: Per our meeting with the City Administrator, Building Official and City Engineer on 10/20/89 you shall pick up the following permits by 12 noon on 10/23/89 and all work shall be per the conditions of this letter. Contact the Building Division to have these permits prepared for pickup: 1. Temporary Street Use Permit (S. 168th Street for Fill and Temporary Storm Drainage Facilities)1Permit Fee - $25.00) This permit shall expire four months and one day after the issuance of the Grade and Fill Permit. All conditions for acquisition of R/W and transfer of land shall occur as stated above. If not, then the developer shall relocate temporary drainage facilities and fill in S. 168th Street, as stated above, and bring the property back to its original condition. This permit shall be issued upon receipt of a surety bond of $100,000 as conditioned above. 2. Hauling Permit (Permit Fee = $25.00) The purpose of this permit is for the hauling of 9,000 to 15,000 cubic yards of structural fill onto 16813 Southcenter Parkway. This permit shall be conditioned on the requirements on the permit anad the following conditions (conditions below override any conflict in conditions on permit): 1. Prior to the beginning of any work the developer shall obtain this permit and the Grade and Fill Permit through the Building Official. NOTE: Per our meeting with the City Administrator, Building Official and City Engineer on 10/20/89 you shall pick up this permit by 12 noon on 10/23/89 and all your work shall be per the conditions of this permit and any other conditions the Building Official requires, including having appropriate tests and observations by your soils engineer of record for placement and compaction of said fill. 2. The hauling shall be limited to the following 2 routes: a. Klickitat Drive and that portion of Southcenter Parkway South of Klickitat Drive to the development at 16813 Southcenter Parkway only. b. Southcenter Parkway from 16813 Southcenter Parkway to South 180th Street; and, S. 180th Street east to the City limits. 3. Time Restrictions of hauling: a. Start date: October 23, 1989 b. Finish date: November 3, 1989 c. Hours allowed for haul: 7:00 A.M. to 3:00 P.M. (WITH NO EXCEPTIONS) 4. Flagging control: A certified flagman shall be on site at all times, and carry out flagging as required. Flagging, signing and coning shall be per the MUTCD. The enclosed traffic control plan is approved and shall be implemented prior to any haul operations. 5. No vehicle stopping, standing, staging on Southcenter Parkway shall be allowed at ANY TIME. All vehicles shall come to a complete stop prior to entering the public right- of- way. Trucks shall not block lanes at any time while exiting or entering the site. 6. No debris shall be deposited in the public rights of ways; and clean -up of any spilled materials shall be required immediately. Sweeping shall be carried out by a sweeping machine, which run continuously throughout the hauling operations to keep the streets free of debris. Catch basins shall be cleaned as directed by the City Inspector. Finally, the contractor shall sweep his tires prior to each truck leaving the site. 7. The contractor shall comply with the City's noise ordinance. 8. The center lane for Southcenter Parkway shall not be used as a staging area or cueing lane for trucks waiting to get into the site. Double load trucks are permissible. 9. Existing curbs shall be protected and restored if broken. 10. A $2,000 cash indemnity bond or surety acceptible to the City, shall be provided to cover any damage to city streets, utilities and plugging of storm drains. Also a certificate of insurance for a minimum of $1,000,000 shall be provided as part of the application for this permit. Violation of any of these ten conditions constitutes sufficient ground to stop the project. Finally, as a condition of issuance of all permits listed above the developer shall save and hold harmless the City of Tukwila from any actions resulting from this development. If you have any questions, please do not hesitate to call be at 433 -0179. Sincerely, Phil Fraser, Senior Engineer PF /amc Enclosures (5) xc: John McFarland Ron Cameron Rick Beeler Duane Griffin Becky Davis Pat Brodin Ted Freemire /Dave Grage /John Howat �gitirt�'�r• :,..PLAN -CHECK NUMBER % ` q ADING /FILL PERMIT APPLICATION TRACKING PROJECT NAME SITE ADDRESS SUITE NO. (o? 13 5 ou-k hc n-Nr 13 NSTRUCTIONS TO STAFF • .Contacts with applicants or requests for information should be summarized in writing by staff so tha any time the status of the project may be ascertained. • Plan corrections shall be completed and approved prior to sending on to the next department. • Any conditions or requirements for the permit shall be noted on the plans or summarized concisely in the form of a formal letter or memo, which will be attached to the permit. • Please fill out your section of the tracking chart completely. Where information requested is not applicable, so note by using "N/ATM. DEPARTMENTAL REVIEW . "X" In box Indicates which DATE IN pARTMEcM7 ,.BUILDING - initial review PLANNING PUBLIC WORKS 0 OTHER departments need to review the project. DATE APPROVED (ROUTED) REQUIREMENTS / COMMENTS CONSULTANT: Date Sent - Date Approved - INIT: INIT: ZONING: J - _L _ _]BAR/LAND USE CONDITIONS? UYes Nc RE SEPA CHECKLIST QUIRED7 (] No n Yes DETERMINATION: REFERENCE FILE NOS.: UTILITY PERMITS REQUIRED? 11 Yes LINO HAULING PERMIT REQUIRED? (] Yes [I No PU- BLIC WORKS LETTER DATED: •BUILDING - final review INIT: INIT: UBC EDITION (year): REVIEW COMPLETED PERMIT NO. DATE READY CONTACTED PERMIT EXPIRES AMOUNT OWING DATE NOTIFIED 2nd NOTIFICATION D3.50 3RD NOTIFICATION BY: (init.) BY: (Init.) BY: (Init.) CITY OF TUKWILA CENTRAL PERMIT SYSTEM ENGINEERING DIVISION 6200 SOUTHCENTER BLVD TUKWILA, WA 98188 (206) 433-Q179 UTILITY PERMIT APPLICATION p ease print SITE ADDRESS g I SOU/� ,i PROPERTY OWNER ADDRESS ENGINEER ALs oe�,� . LL T ADDRESS /CONTRACTOR ADDRESS CONTROL # PERMITS REQUESTED Sewer Main Extension (private) Sewer Main Extension (public) Water Main Extension (private) Water Main Extension (public) Excavation (in public right -of -way) Fire Loop /Hyd.(main to vault) No: Landscape Irrigation At. nitary Side Sewer No: A04 ter Meter-Permanent: No: / Sizes: 3 Meter Address (if different from site a ress�BA�oo,v �1fS, i,VL Ei4� o44.,Ir i Sizes: Water eter- emporary: o: izes: Water Meter - Exempt: No: Sizes: Meter Address (if different rom site a ress) WATER METER DEPOSIT /REIMBURSEMEN NAME ADDRESS CITY, ZIP PHONE- MONTHLY SERVICE BILLINGS TO: El water NAME ADDRESS DESCRIPTION OF PROJECT [f Single Family Residential Q Multiple Dwelling: No. units PHONE �Z oai ZIP 9800 PHONE S z3 cio ZIP PHONE .1-1__ (_00S ZIP 4 o s Curb Cut /Access /Sidewalk harm• .tion /Striping /Signi Hauling Movin. I • ersized Load Storm Drain Flood Zone Control Other" P >111 \1\ d) WATER METER BILLING NAME ADDRESS CITY, Z PHONE slL t; [j sew :r [] metro [J standby Duplex Hotel Triplex Apartments 191/Commercial/Industrial: Office 0 Warehouse School /College /University Other MISCELLANEOUS INFORMATION New Guilding: Square footage Remodel/Addition: Square foots' ,g—a orig nal building space King County Assessor'squa1e fionaof building space Valuation of work tt done $ ✓ I HEREBY CERTIFY THAT I HAVE RE\ THIS APPLI TION AND KNOW.THE SAME TO BE TRUE AND CDR' Applicant /Authorized Agent (signature) (print name) Contact Person (print name) Address (32 /W1.UTILAPP) Motel Other Retai 1 Church PHONE ZIP 000 60,10( Cam; o �, C[ Condominiums Hospital Manufacturing DATE /p -2 -Yr'? PHONE 4tGL_ yoc PHON' ZIr • ' GRADING /FILL PERMIT APPLICATION CITY OF$ TUKWILA Department of Community Development - Building Division 6200 Southcenter Boulevard, Tukwila WA 98188 (206) 433 -1849 FEES (for staff use only) APPLICATION SUBMITTAL In order to ensure that your application is accepted for plan review, please make sure to fill out the application completely and follow the plan submittal checklist on the reverse side of this form. Handouts are available at the Building counter which provide more detailed information on application and plan submittal requirements. Application and plans must be complete in order to be accepted tor plan review. VALUATION OF CONSTRUCTION The valuation is for the work covered by this perrnit and must be filled in by the applicant. This figure is used for budget reporting purposes only and not to calculate your fees. BUILDING OWNER / AUTHORIZED AGENT 11 the applicant is other than the owner, registered architect/engineer, or contractor licensed by the State of Washington, a notarized letter from the property owner authorizing the agent to submit this permit application and obtain the permit will be required as part of this submittal. EXPIRATION OF PLAN REVIEW Applications for which no perrnit is issued within 180 days following the date of application shall expire by limitation. The building official may extend the time for action by the applicant for a period not exceeding 180 days upon written request by the applicant as defined in Section 304(d) of the Uniform Building Code (current edition). No application shall be extended more than once. if you have any questions about our process o► plan submittal requirements, please contact the Department of Community Development at 433 -1849. DATE APPLICATION ACCEPTED DATE APPLICATION EXPIRES DESCRIPTION::.:: „ "A 0 N.T. '. RCPT $ 'A E. PLAN CHECK NUMBER %C _. a 1� BASIC PERMIT. FEE > ` 7-6;-; ., Op . PLAN CHECK FEE 30 op :UILDING SURCHARGE THIS FORM IS TO BE USED IF GRADING /FILL IS NOT ALREADY INCLUDED AS PART OF A BUILDING PERMIT. • •TITER TOTAL = a �J SITE ADDRESS SUITE # /%g13 .luaincev172-- -Re 7-1.-114 L)gL wn . VALUE OF WORK - $ fP `]�,�000° - Aso,00� oO- , PROJECT NAME/TENANT 1k-11rCAMt / ScNoctet -D ASSESSOR ACCOUNT # 2G- 230(— 10 (og -o l CUT (YARDS) FILL (YARDS) ci o o o DESCRIBE THE PURPOSE AND EXTENT OF FILL/GRADING: ,QttiJCi ca-NDE LAP Tb Sour Ncfmrr l t . 'Pick`l. L r " \ J L oa- 1414,N�/L (arr. -/. 1— -7') Fa it .UTu2E- Telf.\l- �u,Lp,NGIS . PROPERTY OWNER HArr H. Mlg -u PHONE j7 -O$19 ADDRESS 11,913 Sou-rit-an, #. '+" c4-, y • E. �,a ZIP . ��C1s8 CONTRACTOR r ADDRESS 'ZIP WA. ST. CONTRACTORS LICENSE # EXP. DATE ARCHITECT • LaNce- muteuk-n PHONE 325 --2-SS3 ADDRESS 1 � L-1�ee ADt Se 1� A ZIP 1$l 1z i HEREBY CERTIPY.THAT'I TRUE ANO.C(AFRECT BUILDING OWNER OR AUTHORIZED AGENT HAve now 'AND EXAMINED THIS APPLICATION AND AND I`AM AUTHORIZED TO APPLY FOR THIS PERMIT. SIGNATURE -.._ . -. -...._ W _- . �. �N. —j KNOW THE SAME TO BE DATE W- 9 -27-8 .9 PRINT NAME V�OSrRT • 5ct- ���'��-�D PHONE y{,z -o �l ol� CITY /ZIP CITY/ZIP, 9 Sony ADDRESS 42-12. I.1 -L►JIS !MINT D. SELL. 9 p°4 ,.1r.1A• CONTACT PERSON 1�BC'1RT [4 . Sc- oFIt U) PHONE go_ —oq o C. APPLICATION SUBMITTAL In order to ensure that your application is accepted for plan review, please make sure to fill out the application completely and follow the plan submittal checklist on the reverse side of this form. Handouts are available at the Building counter which provide more detailed information on application and plan submittal requirements. Application and plans must be complete in order to be accepted tor plan review. VALUATION OF CONSTRUCTION The valuation is for the work covered by this perrnit and must be filled in by the applicant. This figure is used for budget reporting purposes only and not to calculate your fees. BUILDING OWNER / AUTHORIZED AGENT 11 the applicant is other than the owner, registered architect/engineer, or contractor licensed by the State of Washington, a notarized letter from the property owner authorizing the agent to submit this permit application and obtain the permit will be required as part of this submittal. EXPIRATION OF PLAN REVIEW Applications for which no perrnit is issued within 180 days following the date of application shall expire by limitation. The building official may extend the time for action by the applicant for a period not exceeding 180 days upon written request by the applicant as defined in Section 304(d) of the Uniform Building Code (current edition). No application shall be extended more than once. if you have any questions about our process o► plan submittal requirements, please contact the Department of Community Development at 433 -1849. DATE APPLICATION ACCEPTED DATE APPLICATION EXPIRES See Ma ' 40 -Z� COPYRIGHT, O 986 BY wd #V ago WEST PAUL ____-4 _PN6t1 ____j 5E o $IM,CA See Map 42 S712-1N-kg)e-(2._ U1 - 0 0 c 1 is ea r r 5992108 DRAINAGE EASEMENT IN ZNI MATTII or Primary State Highway No. 1, (SI 5) South 178th St. to South 126th St. KNOW ALL NLM 31 TM/SI ?IISENTS, that MATT MIKAMI, u hf• separate • of the County of 0750.00 the right, privi system including and upon the lol too, to -viti King, State of Washington, for and in con1id•ratioo , do hereby ;rant and verrant unto the State of WesSingtoc, leg* and easement to construct and f maintain a drainage culverts and ditches, but not exclusive, therato, over, across loving described lands, situate io King County, State of Washing. All that portion of the follovlog described parcel "A" lying within a strip of land 20 teat In width being 10 foot vide on each aide of the following described liner Ieginning *t a point opposite Highway Ingioe•rs Station LW 2509+50'on the LW Lino of Primary State Highway Mo. 1, (SI 5) South 178th St. to South 126th et. and 500 fast Southeasterly therefrom; thence Northeasterly in • straight line to the Northerly line of said parcel "A" along the Northeasterly axteosion of a line beginning at a potot opposite HIES LW 2507 +13 «d 513 feet Southeasterly therefrom thence Northeasterly io • straight line to a point opposite HIS 2509 +50 and 300 feet Southeasterly therefrom. PARCEL "A "f That portion of the North*u t Quarter of the Southwest Quarter (here. !natter referred to as the subdivision) in Section 26, Township 23 North, Range 4 Last W,M., in King County, Washington, lying West of the County Toad end described as follows: eeginolog at a point on the Meat line of said subdivision 1020 feet North of the Southwest corner thereof running thence North along said West line 294.62 feet, more or less, to the North• vest corner of said subdivision; thence last along the North line of said subdivision to the intars•ctioa with the West line of said County load; thence South along said West line a distance of 294.62 feet, mOr. or,1..., to the' intersectloo with • line running last from the point of bagtnntng parallel to the South line of maid subdivision; thaoce West on said para. 11.1 line to the point of beginning; =CUT portion thereof conveyed to Stat. of Washington for primary State Highway No. 1, under deed recorded under Auditor's pile Mo. 3324399. The lands over which said easement is being granted contain an area of 2100_1.1.....11 more or less, the specific details conc•rnlag all of which are to be found within that certain map of definite location, now of record and on file in the office of the Director of Highways at Olympia, Washington, and bearing date of approval January 30, 1962, It 1s further understood and agreed that the STAIR OF WASHINGTON, or its centric. tors, shall have the right to use any equipment or machinery necea.ary to effect the construction of said drainage line. DATED this 8th day of February 1966. • ACCIPTID AND At►WVID -L ✓ e STAYS Or WASHINGTON Depar ' of Highway. FEB 231966 !I District Ingineer 1y 'Page 11 of 2 pages •N of light of Way eat }' ' ..+ — =+ . ?, �, . _._. #/- f.5-D release of damages ',South 171th St. to South 126th St. • ••••,; ENO! ALL MEN BY THEM PRESENTS, that MATT MUCAMI, a single man, for and In of the lands hereinafter described, doh for himself, hls • .O :WSW ooswldsrttlon of "team- or other etnoces.ors In Interest hereby completely release and forever sMathharp the State of Washington and/or Its agents and contractors from any and all claims, an N d' Puttee. of %aetlon of any nature whatsoever for damages which may v. asp • :. • _ • • .... t or may hereafter occur to the hereinafter described property or to personal pptop.rty or persons by reason of any flooding or any failure of the State's drainage facilities located on the property ad)olning on the west, due to the construction, operation and ,. malntonance of drainage ;acuities by said Matt Mikami on the hereinafter described land. ..,• ' TM herelnb.fore mentloned tact of land Is described as folios/3s That put of the following described Parcel "A" lying northerly of a line which is 1,020 feet northerly of and parallel with the South line of the hereinafter referred ....to northeast quarter of the southwest quarter. parcel "A" That part of the northeast quarter of the southwest quarter of Section 26, Township 23 North, Range 4 East, W.M., described u beginning at • point which is opposite Highway Engineer's Station (hereinafter referred to as HES) LW 2304+89.33 on the LW Line Survey of SR 3, South 178th St. to South 126th St., and tp 333.13 feet southeasterly therefrom; thence easterly to a point opposite HES LW . 2303+00 on said LW Line Survey and 590 feet southeasterly therefrom; thence northerly to a point opposite HES LW 2503 +73 on said LW Line Surrey and 370 feet southeasterly therefrom; thence northerly to a point opposite HES LW 2307+13 on said LW Line Survey and 313 feet southeasterly therefrom; thence northerly to a point opposite HES LW 2309 +30 on said LW Line Survey and 300 feet southeasterly therefrom; thence northwesterly to a point opposite said HES and 42x.97 feet southeasterly therefrom; thence southerly in • straight line to the point of beginning: . • ''Accepted and Approved . Date <J I9t STATE OP WASHINGTON Department of Transportation an Titles Dated this 26 f1 day of Art_ /,77.dt Matt Mikami /930 Peg. I of 2 Please return to: STATE OF WASHINGTON Department of Tronsporthhnn -KF•01 Land l•lansgem.:nt Office Transportation Building Olympia, Washington 98504 1.C. 11-17-04477 .• OND(VIDUAL AcmonurGELIEHT FORM) / t - STATt Ole /Vika% L, , ) Jig i a I, v County of /I .4.4.6 ) • On this 2 V. day of Pbeg A before me personally appeared Adj....6.2.1.1 . , to me known to be the Individual — described In imd who executed the foregoing instrument, and acicnowledged that A G Waned and maul the same u A i , free and voluntary act and deed, for the uses and purposes therein mentioned. Given under my hand and official seal the day and ye last a nen. 7(4 / Please r.iurfl to: STATE OF WASHINGTON Deporknent 431 Tratopititm Kr GI Land I•tanoonn. nt . • Notary Public In and for Residing at ,5.e7 ta e. of Irastdngton I.C. /14744177 • ... • .., • • . -•:. SIAM iritimaTot4 ) 01 Count/ a Thurston On day of IP df.._:L Wore mo personally appeared DUANE BERENTSON, known to u the Secretary of Transportation, Washington Stats Department of Transportation, and executed the foregoing instrument, acknowledging said instrument to be the fru and voluntary act and deed of the State of Washington, for the uses and purposes therein mentioned, and on oath stated that he Is authorized to execute said instrument. Given under my hand and official sul t y and year last • written. °tau or .Sttted of Washington, re cling at Olympia. • • .7.'1, Please Mum lo: STATE OF WASHINGTON Department el Transportation1F.01 Land Manstgartiont Transportation BusLing Olysipsa. Washington 98504 Pap of 3 1.C. 11-17-04477 1?-771.yrj .— lc-- . - -7LEtela? 5 WV10-1•S Q1. . . A'rt ,•17t-c1 P 4^ ,11'1-17 %Is . ••••■••• •••.. % 30 3P.I't €411)13 -1C. • La ,1 IPS 21!, i • 1• j ••••• ••••••- - 1 i 1 I 1 1 • 1 111111 IIIL:::: I ' ( Let.> POT ,•-.?)'4' 4?). .- — S-1.11f1 IrtPt-d 3SY a P. n YIV 144114 1.3 t. irmSdle 11711 ■■• , - - , - .... .... -..„ ...„ -J11 r‘4 ! ‘ I I j -. ::,..... .... i ---/ -7/t11.:f ----'• .4' ..... .— 1 -- .... -- / (CI 3 'V ro10 .a.kdIc kitraw70.t ---. ,_ '11,o' t till ...." ---..)). 'Id 0.--""■-■...... I I – c.i. 31 / i 0, o — A y o ,041 ',I V' "I 0. .... •.... - .. - o - • A.1/7,L/7 -i- f I I I —4 1 374 rt.1.71•71_ 3L? 411. - 7 -6 A , 211 ic/ • • 4r-, Alf -xj.c.,?),ChOr Ei C t■ " t LA:1 !LI. L .AIf L .1 ; ; L ; . L_ i • s F 1 /.. Lts.ati J. CPO 1-4 9L • 7 A.4 F POI prof--; ii.�w9a/ .7v w/.2te I 4tiir.t P' 35 I _La/ tit ±sN!)_ I' v. a tt••. 1,471 CIS (I gal) a .!• f•a--.v • •••• ■-,.— n/• •wrrmrhg/ './sN✓JY.r:nn.- OCBJ• (Y S.. sr,•STI0 • .25..•A.r ILL/ 7 - )v )w•..»cosry ;r-', I• /•L >rv....... ✓r•y �.•• ��:r) S•�•r•'1 S•rru wrryrU •/t, •'S 1.(1) I, zia pir...w.•1 . J1•)d) 613a) n3vnc bsi s.,. • 5liarere r. • 1-1:7 A-1'1 °V n1YN 1V C n..'J 97. 131141 L sv cinJ flew, lw3 Z �ry 11 ►sasr. . L++ a a *1V r,r°.Z,y1�O7 vd2 ^5— — I►.-- 1.e'de • N)OAS vp:jf 11 •a q� (7 3^311 /.La1d.•7..1 . b CFNsd'? 3 LY_ S t. 1 12 1; I. 1 I Iz !° It j n ID ` I: RZA rig RI1TENI!OUSE- ZEAfAN & ASSOCIATES, INC. Geotechnical & Environmental Consultants 1400 140th Avenue N.E. - ` Bellevue, Washington 98005 -4594 (206) 746- 8020 /FAX (206) 746 -6364 13 October 1989 Mr. Robert H. Schofield 4212 Hunts Point Drive Bellevue, Washington 98004 W -6407 Subject: Subsurface Exploration and Geotechnical Engineering Study Southcenter Retail Parcel Tukwila, Washington Dear Bob: We are pleased to present herewith a copy of the above referenced report. This report presents the results of our subsurface exploration and geotechnical engineering study relative to the foundation and construction considerations for the proposed retail development. Authorization to proceed with this study was provided verbally by Mr. Bob Schofield. We appreciate this opportunity to be of continued service to you and we would be pleased to discuss the contents of this report or other aspects of the project with you at your convenience. Respectfully submitted, 10 40 4-40c19 Kurt W. Groesch, P.E. Associate Subsurface Exploration and Geotechnical Engineering Study Southcenter Retail Parcel Tukwila, Washington Prepared for Mr. Robert H. Schofield 4212 Hunts Points Drive Bellevue, Washington 98004 Prepared by Rittenhouse -Zeman & Associates, Inc. 1400 - 140th Avenue N.E. Bellevue, Washington 98005 October 1989 W -6407 TABLE OF CONTENTS W -6407 1.0 SUMMARY 2.0 PROJECT DESCRIPTION 3.0 SURFACE CONDITIONS 3.1 Subsurface Conditions 4.0 CONCLUSIONS AND RECOMMENDATIONS 4.1 Site Preparation 4.2 Structural Fill 4.3 Pile Foundations 4.3.1 Pile Installation 4.3.2 Lateral Loads 4.5 Drainage Considerations 5.0 CLOSURE Figure 1 - Site and Exploration Plan Appendix A - Subsurface Exploration Procedures and Logs Page 1 2 3 4 4 6 7 8 8 9 9 SUBSURFACE EXPLORATION SOUTHCENTER RETAIL PARCEL TUKWILA, WASHINGTON W -6407 1.0 SUMMARY The proposed project construction is considered feasible with respect to the subsurface conditions encountered at the project site. A brief summary of the project geotechnical considerations is presented below: o Our subsurface exploration program consisted of : a series of backhoe excavated test pits along the west property margin and western portion of the site supplemented by a series of Dutch cone penetrometer probes. On -site data regarding existing site conditions was supplemented by the results of an adjacent study to the south, our report W -5437. o Subsurface conditions ' disclosed along the west margin of the proposed building and the test pits were quite variable. Interbedded soft silts and organics were disclosed at the location of test pit TP -1 while test pits TP -4 and TP -5 encountered medium dense, gravelly silty sands near the proposed footing elevation. Extensive deposits of organics, soft material, decomposed wood and other highly compressible materials were disclosed at the location of the other test pits excavated for the project. o Deep explorations, consisting of Dutch cone penetrometer probes generally disclosed interbedded soft clays with organics, loose sand deposits with probe refusal noted generally in the range of 30 to 35 feet below existing site grades. Based on the adjacent explorations we anticipate the deeper native deposits present at depth will likely consist of very stiff to hard silt soils. o Owing to the extensive thickness of compressible deposits and the random distribution of organic soils below the site, significant total and differential settlements should be anticipated associated with the filling of the project site. Based on subsurface conditions encountered, and the variations in thickness of the highly compressible organics and soft materials encountered, we recommend the proposed structures and floor slabs be supported using treated timber pile foundation. The treated timber piles should be driven into the very stiff to hard silt layer located between 25 and 35 feet below existing site grades at the location of our explorations. ivi i . I ((AAA t I I. :,c ;I n �liul�_I 4212 Hunts Point Drive W -6407 Page 2 o It may be possible to support the northernmost portion of the westerly building using spread foundations. Based on site topography, and the results of our test pit exploration program, it appears that the northern half to one - third of the westerly building line may be supported by spread footings. The transition point from pile to spread footing support in this area could be evaluated in the field once construction begins. This summary is presented for introductory purposes and should be used in conjunction with the full text of this report. The project description, site conditions and our design recommendations are presented subsequently in the text of this report. Exploration procedures and Togs are presented in Appendix A. 2.0 PROJECT DESCRIPTION The project site is located on the west side of Southcenter Parkway in Tukwila, Washington. The site is presently occupied by a residence, garage and several small outbuildings. The proposed development will consist of two retail structures with their approximate orientation shown on the Site and Exploration Plan, Figure 1, attached to this report. Site grades will fall from approximately a planned floor grade of 28 feet for the westernmost building and site grades will match that of the adjacent Southcenter Parkway along the east margin of the proposed development. The purpose of this study was to establish general subsurface conditions from the site from which conclusions and recommendations for foundation design and construction could be formulated. Scope of work consisted of the field explorations, geotechnical analyses and report preparation. In the event of any changes in nature, design or location of the structures, the conclusions and recommendations contained in this report should be reviewed and modified, if necessary, to reflect those changes. This report has been prepared for exclusive use of Mr. Bob Schofield, for specific application`s to this project in accordance with generally accepted engineering practice. Site conditions were evaluated in October, 1989. The surface and subsurface conditions • are described below, while the exploration procedures and detailed interpretative Togs o Ivli . I luLJ(Ji t I I. Scl iuliel�l 4212 Hunts Point Drive W -6407 Page 3 the explorationaccomplished for this study are presented in Appendix A. The approximate locations of the explorations are indicated on the Site and Exploration Plan, Figure 1. 3.0 SURFACE CONDITIONS The project site was actively farmed at the time of our exploration program. The southern portion of the site was cultivated land, while the house, garage and several outbuildings occupied the northern half to two- thirds of the parcel at the time of our site work. Site grades appear to be on the order of 4 feet below the elevation of Southcenter Parkway. Along the west margin of the property site grades were somewhat higher. The drainage ditch crossed the southern third of the parcel and was carried via a culvert to discharge into a ditch along the north property margin. Horizontal drains installed to hillside supporting Interstate 5 were not apparent along west margin of the property except at the extreme south end of the proposed development site. The flow from the horizontal drains were captured and collected and directed off -site southward in flexible hoses to the adjacent storm water collection system for the adjacent development. 3.1 Subsurface Conditions The subsurface conditions vary considerably across the proposed site. Test pits TP -4 and TP -5, which were excavated along the west margin of the north -south trending building, indicated medium dense granular deposits at or near the likely foundation grade. The other test pits and the deep explorations accomplished for this study generally disclosed loose, highly compressible organic materials within the depths explored. The Dutch cone probes generally encountered • refusal resistance within a depth of about 35 feet below existing site grades. Based on subsurface conditions disclosed for the adjacent retail parcel to the south, we anticipate the native soils present at depth will likely consist of very stiff to hard silt soils. Detailed descriptive logs'of the explorations accomplished for this study are included in Appendix A, togetherwith a descriptive narrative of the exploration procedures utilized for this study. A number of the test pits and Dutch cone probes indicated the presence at a si nifican� depth of organic clays with distinct organic zones noted at random depths throughout the deposits. Such organic soils, when loaded, undergo significant volume change as manifested by ground surface settlement. The settlement response of the, organic. ;' Evil . I lobes t I I. Sul 'Wield 4212 Hunts Point Drive W -6407 Page 4 deposits occurs in two distinct phases. The initial or primary movement occurs rather rapidly over a period of several months. Longer term settlements, associated with secondary compression of the organic constituents can also be of relatively large magnitude and can extend with decreasing rates of settlement in excess of 20 years. Groundwater, as manifested by seepage into the test pits, was encountered at depths of 3 to 31/2 feet in several test pits. However, near surface materials were mottled in a number of the test pits which indicated intermittent saturation likely associated with seasonal variations in the groundwater conditions. We would anticipate the groundwater would rise to within several feet of the existing site grades during the wetter winter months. It should be noted that groundwater conditions will vary with seasonal changes, changes in site utilization, changes in off-site utilization and other factors. 4.0 CONCLUSIONS AND RECOMMENDATIONS We understand that proposed project is to consist of two retail buildings with the approximate orientation shown on Figure 1. Site grading is proposed to bring the site to the approximate elevation of Southcenter Parkway. We would anticipate significant total and differential movements would be associated with the fill placement. In order to improve the performance of fill supported pavements and utilities we recommend the construction of settlement sensitive utilities and pavements be deferred as long as possible after the initial placement of fill. In general, pile support for the proposed buildings is recommended. Evaluation of alternative spread footing support for the extreme northern portion of the westernmost building should be evaluated at the time of construction. The following sections of this report present our recommendations relative to site preparation, foundation design and construction, and site drainage. 4.1 Site Preparation We recommend the brush, vegetation and trees present along the west margin of the property be stripped and grubbed. The existing residence and outbuildings should be demolished and the debris removed from the project site. The existing utilities,: underground tanks, and the septic tank should be removed or abandoned in place in accordance with local codes and practice. Existing foundations, floor slabs, debris should not be disposed of on -site as they could obstruct later pile driving operations. 4212 Hunts Point Drive W -6407 Page 5 We recommend that the cultivated areas be closely mowed, with vegetation removed prior to fill placement. The near surface site soils which will comprise the site subgrade prior to fill placement will be predominantly silty deposits. These soils are prone to disturbance in wet site conditions. Fill placement across silty soils in wet site conditions may require the placement of an initial thickened lift in order to provide support for construction vehicles. In very wet weather, a working surface of quarry spalls or sand and gravel may be necessary to protect the subgrade and support rubber -tired construction traffic. If the subgrade exposed by stripping or after demolition is more than several percent over optimum moisture content, at the concurrance of the geotechnical engineer, compaction of to the subgrade by prerolling should not be attempted: Rather, the subgrade should be cleaned as much as possible of loose or soft materials and a thickened layer of clean sand, sand and gravel or quarry spalls be placed before compaction is attempted. Due to the anticipated magnitude of settlement it appears advantageous to place fill on the project site as soon as possible. It does not appear that a preload or surcharge, even is extending over a period of several months, would effectively reduce post- construction settlement to allow slab -on -grade support of the proposed buildings. For that reason, it appears a general site filling operation rather than localized fill placement and surcharge in building areas would help to mitigate future settlement distress. Construction of settlement sensitive pavements, structures or utilities should be deferred as long as possible. Steep gradients should be provided for buried gravity utilities where gravity flows are to be maintained. Along the east margin of the property, existing buried utilities if present at conventional burial depths would be underlain by an extensive deposit of very soft to medium stiff clays and organic clays. The settlement response of these deposits will be slow, owing to their low permeability, and should extend over a number of years as organic zones and layers were noted in our explorations. However, the actual magnitude of increased vertical stress in the deposits below the pipes would be small, as it appears that the soils above the pipes presently are generally at or near the grade of Southcenter Parkway. As fvir. 1 tuljei l 1 1. Scl iutiel�l 4212 Hunts Point Drive W -6407 Page 6 a gross approximation, the settlement of the pipelines would be roughly equal in inches to the thickness of fill placed above the pipelines in feet. The off-site impacts of fill placement may generally be assumed to extend to a horizontal distance equal to about half the thickness of compressible deposits present below the site. 4.2 Structural Fill All fill under roadways, parking lots, sidewalks and within the building area for lateral resistance to the piles should be placed in accordance with the following recommendations for structural fill. Prior to placement of structural fill, the ground surface to receive fill should be prepared as previously recommended. Structural fill should be placed in loose lifts not exceeding 8 inches in thickness. Individual lifts should be compacted such that a density of at least 90 percent of the modified Proctor maximum dry density (ASTM:D 1557) is achieved. We recommend that a representative of our firm be present during placement of structural fill to observe the work and perform a representative number of in -place density tests. In this way, the adequacy of the earthwork may be evaluated as grading progresses. The suitability of soils used for structural fill depends primarily on the gradation and moisture content of the soil when it is placed. As the amount of fines (that portion passing the U.S. No. 200 sieve) increases, soils become increasingly sensitive to small changes in moisture content and adequate compaction becomes more difficult or impossible to achieve. Soils containing more than about 5 percent fines by weight can not be consistently compacted to a firm, non - yielding condition when the moisture content is more than about 2 percent above optimal. Based on the interbedded and highly variable nature of the compressible deposits on -site, it does not appear feasible at this time to preload building pads. In order to improve the long -term performance of fills under parking areas, we recommend that the fill in parking and building areas be placed as soon as possible and the construction of settlement sensitive utilities or pavement structures be deferred until the following construction season. We recommend the upper two feet below pavements and within the building area consist of clean sands and gravel. This recommendation is intended to provide Improved subgrade support for parking areas and pavements, and to promote drainage below building areas. The upper 2 feet of fill should consist of a well graded sand and gravel I:II . (i )1)1_11 I I. 3(;i Iu(Iuld 4212 Hunts Point Drive W -6407 Page 7 with Tess than 5 percent fines when measured on the minus No. 4 sieve fraction. It should be recognized that even during the summer, delays in grading may occur due to precipitation. In the upcoming wet weather months, it may be impractical to use silty deposits and attempt to compact those soils unless protracted periods of dry weather occur. If it is not practical to dry back wetted silty soils, it may be necessary to waste them off -site. We would recommend any of the on -site soils not meeting the above specifications for drainage material within building areas be overexcavated, and placed in the deeper portions of site fills below pavements. Soils used for structural fill purposes should have a maximum particle size on the order 6 inches and be free of organics or any other deleterious debris or materials. 4.3 Pile Foundations Due to the depth and compressibility of the organics, peat and soft silts, we recommend that the building and floor slabs be supported on pressure treated timber piles. We recommend that timber piles be driven on the order of 5 to 8 feet into the very stiff to hard silts interpreted to be present at depth below our excavations from approximately 25 to 35 feet below the existing ground surface. For timber piles with 8 inch minimum tip diameter, we recommend a maximum allowable vertical capacity of 20 tons. Timber piles with 10 -inch minimum tip diameter may be loaded to the maximum allowable vertical Toad of 25 tons. A one -third increase in this value could be used to resist transient seismic or wind loads. These allowable pile capacities have been reduced to account for down drag or negative skin friction. Negative skin friction will develop due to the downward relative movement of the sands and structural fill around the pile as the soils consolidate. We expect pile length range up to about 40 to 45 feet. Some variability in driven lengths should be anticipated, based on the Dutch cone probes. Probe refusal was noted as high as about 22 feet at the location probe P -5 and as deep as about 35 feet at the location of probe P -1. In general, it appears that deeper piles will be required along the north and east sides of the proposed buildings, while the pile lengths for the long, north -south trending building would be somewhat less. ivii . i i(.60 t 4212 Hunts Point Drive W -6407 Page 8 4.3.1 Pile Installation We recommend that timber piles be driven with a diesel, air, or steam hammer having a rate energy not less than 15,500 foot pounds, and not more than 26,000 foot pounds per blow. In our opinion, a drop hammer would not be appropriate for pile installation at this site. Where piles are placed in groups, we recommend that the pile spacing of no less than 3 pile diameters on center be maintained. With large pile groups or clusters, piles should be driven from the center of the pile group outward. During driving, the actual pile capacity should be verified in the field, based upon the use of a dynamic pile driving formula. The piles should be driven until they reach an apparent capacity in excess of their allowable capacity to account for downdrag loads. 8 -inch tip piles should be driven to an apparent capacity of 25 tons, and 10 -inch tip piles should be driven to an apparent capacity of 30 tons. These apparent capacities include the allowance for the downdrag loads the piles will experience due to the consolidation of the organics and overlying deposits. We recommend that the installation of all piles be observed by a qualified representative from our firm. Our observer would evaluate the contractor's operation as well as collect and interpret the pile installation data. Due to variations in the density and gradation of the bearing horizon, the test pile driving program could be used to evaluate the pile driving characteristics of the site and to allow a closer determination of pile order length. 4.3.2 Lateral Loads Lateral Toads imposed on the building may be resisted by passive pressure applied against the embedded portion of grade beams, pile caps and piling. We recommend an allowable passive earth pressure, expressed in the form of an equivalent fluid unit weight, of 200 pounds per cubic foot. This pressure may be applied over an area of 2 pile diameters to a depth of 6 feet. If grade beams or pile caps are embedded in structural fill, we recommend the passive pressure be utilized in design discounting the upper 1 foot to account for possible settlement in the underlying soils. Frictional resistance below grade beams or floor slabs should not be assumed. These above pressures include a minimum factor of 1.5 which is considered appropriate for the transient nature of horizontal loads applied. Mr. Robert H. Schofield 4212 Hunts Point Drive W -6407 Page 9 4.5 Drainage Considerations During the initial construction activities along the west property margin, we recommend surface water be intercepted and directed off -site to an appropriate discharge. We recommend the buildings be underlain by at least 2 feet of clean, free draining materials in order to promote drainage. In lieu of a conventional footing drain at the footing or pile cap invert elevation, we recommend the building perimeter be protected from moisture through the installation of a deepened footing or perimeter drain extending at least 3 feet below the surrounding finish grade. If soft or wet areas with spring activity, or at the location of existing horizontal drains emanating from the 1 -5 embankment to the west, those areas should be blanketed with rock or the drain's flow should be collected via tightline and directed to an appropriate discharge point. Prior to construction, all sources of surface water should be routed away from construction and building areas as much as possible. Site grades should be planned to slope away from the building. Roof and surface run -off should not discharge into the footing drain system. Rather, a separate tightline drain network should be installed or splash blocks should be used. As the settlement response of the site soils is variable and will be differential in nature, we recommend that the gravity utilities be provided with steep gradients to promote long- term performance. As some settlement between the pile supported buildings and surrounding fill supported utilities may occur, the use of flexible connections at transition points may be appropriate. 5.0 CLOSURE The conclusions and recommendations presented in this report are based, in part, on the explorations accomplished for this study. The number, location, and depth of the explorations were completed within the site constraints so as to yield the information utilized to formulate our recommendations. The future integrity of foundation depends largely on proper pile installation. The performance of pavements, and ancillary structures depends largely on site preparation, fill placement and construction procedures. Rittenhouse -Zeman would be available to provide geotechnical observation and construction observation services during the pile installation, earthwork and foundation construction phases of the project. Mr. Robert H. Schofield 4212 Hunts Point Drive W -6407 Page 10 It has been a pleasure to be of continued service to you. If you have any questions regarding this report or other topics, please contact us at your earliest convenience. Respectfully submitted, RITTENHOUSE -ZEMAN & ASSOCIATES, INC. Thomas Jones Geological Engineer kJ 4,4 e•ei Kurt W. Groesch, P.E. Associate KWG:ns1 /40-44. GRoot.."iob. • WRgri /4'G{, a. • • \-1:130,\...jtsijsr0.439/14 ` 810NA. TP -1 TP -5 P-6 TP -4 TP-2 APPROXIMATE LIMITS OF PROPOSED BUILDING I Q TP -3 u 1 II _I L 1 • PROPERTY LINE T P -3 P -5 P -2 TP -6 APPROXIMATE LIMITS OF 1• P -4 PROPOSED BUILDING P -1 • 40 80 APPROXIMATE SCALE IN FEET LEGEND TP -6 INDICATES TEST PIT NUMBER AND Q APPROXIMATE LOCATION P -5 INDICATES DUTCH CONE PROBE • NUMBER AND APPROXIMATE LOCATION SOUTHCENTER RETAIL BUILDIN, TUKWILA, WASHING- SITE & EXPLORATION PL FIGUF w0 W -640? BY KING_ RRTEWI'OVSE- ZE-VAN 4 ASSOCIATEi INC. IIZ VAN GewerharalA F........_— • - APPENDIX A SUBSURFACE EXPLORATIONS AND BORING LOGS APPENDIX A W -6069 Field Exploration The field exploration program conducted for this study consisted of excavating test pits and a program of 6 Dutch cone penetrometer probes. The approximate exploration locations were obtained in the field by hand -held compass and taping from site features shown on a plan provided by the project architects. The locations of the explorations should be considered as accurate as the degree implied by the method used. Test Pit Excavations Six test pits were excavated on 4 October 1989 with a rubber -tired backhoe by a local excavating contractor. Each test pit was continuously logged and observed by one of our experienced engineering geologists /geotechnical engineers. In -situ strength and quality attributes of materials encountered in the test pits were estimated by our field observer based on experience with similar soils and on the difficulty incurred during excavation. Disturbed, but representative, samples of the soils in the test pits were retrieved, classified in the field, and transported in plastic containers to our laboratory for further evaluation and classification. The depths shown on the test pit logs are approximate. The test pit logs presented in this appendix are based on the inspection of the samples secured and the field logs. Static Cone Penetrometer Probes Sot static cone penetrometer probe or Dutch cone test was performed for this project on 9 October 1989 by an exploration company under subcontract to our firm. The equipment used for this test consists of a cone and friction sleeve which are advanced hydraulically by rods reacting against a drill truck. The static cone penetration test is performed as follows: 1) the cone is pushed down by an inner rod and the point resistance is recorded; 2) the cone and the sleeve are then pushed and their combined resistance is measured; 3) the cone resistance is subtracted from the total resistance to provide the frictional resistance. A direct correlation between point resistance and the bearing capacity of the soils is obtained. The relative density or consistency of the soil probed is empirically related to the cone resistance. Comparing the cone bearing capacity and the friction ration (sleeve friction /cone bearing) provides an interpretive soil classification based on the Dutch Cone soil classification chart prepared by J. H. Schmertrnan, 1969. The descriptive soil interpretations presented on the static cone penetrometer probe Togs have been developed by using this classification chart as a guideline. Modifications to the classifications were developed according to correlations of soil types disclosed in the boring performed on the site and careful interpretation of the probe results. The detailed interpretive log of the static cone penetrometer probe accomplished for this study is presented subsequently. \e',;; k1) 11.1-V111.111 I: 1LI1AN L; .ISSi)C., 1N1C'. Geolcclulic,ll / llydrogiological Consultants SOIL INTERPRETATION APPROX. GROUND SURFACE ELEV. DEPTH 1- CC w W W 1- LL w MOUE tJJMER i'- I w.0. W -6401 PROJECT NAME Soutficenter Reta11 SLEEVE FRICTION TONS /SO. FT. 0.1 0.2 0.5 1 2 5 10 CONE PENETRATION RESISTANCE TON /SO. FT. 0 20 50 100 200 I r ! I FRICTION RATIO 8 12 14 Soft to medium stiff clay and organic clay LEGEND - -- Sleeve Friction (kg/cm 2)10 2 Cone Pressure (kg /cm2) 4� I;11 1 Li\j111_l1I`;L- ZL;11,IN ty ASSOC., 1N(.. Geotechnical / 111 /thnseulogicu1 C'uusu11 lets SOIL INTERPRETATION APPROX. GROUND SURFACE ELEV. 0.1 111013E NUP.lUEH P -2 1.111. 1 Illlf.l( 11_11 W.O. W-6401_ PIIOJECT NAME ...Southcenter Retail SLEEVE FRICTION TONS /SO. FT. 0.2 0.5 1 2 5 10 CONE PENETRATION RESISTANCE TON /SO FT. 10 20 50 Interbedded loose SAND,soft clay and silty SAND 100 200 400 FRICTION RATIO 8 121 Loose to medium dense SAND and silty SAND LEGEND - -- Sleeve Friction (kp /cm2)10 2 Cone Pressure (kg /cm2) ■„11 1' 11 17:N110115E- LE1lIzI N L ASSOC., INC. Geoieclulicnl / IIy Irnl,'eoj(,'icr,1 Co)rrsnlf tuts SOIL INTERPRETATION APPROX. (;ROUND SURFACE EI.EV. DEPTH N 1- n w w u1 1-• LL w PROBE NUMBER P-3 Ili 1'II11 I IR./1.112.1 L-11 W.O. W -6407 PROJECT NAME Southcenter Retail SLEEVE FRICTION TONS /SO. FT. 0.1 0.2 0.5 1 2 5 10 CONE PENETRATION RESISTANCE ION/SO. F f. IJ) 20 !i() If ) 21 0 400 FRICTION RATIO 11 12 14 LEGEND - -- Sleeve Friction (kg /cm2)10- 2 Cone Pressure (kg /cm2) 111 1 LN11Ql1 )1. :- 1L11LLiV ASSOC., INC. (.;enleclr►ricrrl / Il yrlr11,1,'eolusicrll Consultants SOIL INTERPRETATION APPROX. GROUND SURFACE ELEV. Soft organic CLAY Sand lnterbed Loose SAND Very soft CLAY and organic CLAY Loose to medium dense SAND Soft SILT lnterbed w /organics Probe refusal Probe completed 10/9/89 LEGEND - -- Sleeve Friction (kg /cm2)10 2 Cone Pressure (kg /cm2) DEPTH N 1- Cr W W w 1- LL W i 5 2 10_- 3 - - 4 15- 20- -5 6 "_ 7 25- 30 __ 8 - 9 • 35_ -10 40_ - -12 45 ry -13 11101JE PIUMIJEN._I 9 w.u. _W 401 PROJECr NAME _510th4erlter_ Retail_ SLEEVE FRICTION TONS /SO. FT. 0.1 0.2 0.5 1 2 5 10 CONE PENETRATION RESISTANCE TON/SC) FT. 10 20 50 100 200 400 1— • Jo- FRICTION RATIO 8 1214 Il r�� +il)11 .l. ,.1.1t1,1I �'.'I.'4_., INC. (,eotechrtical / IlydrOgLOlO,I,'icsI COnslrlflr►Ifs SOIL INTERPRETATION APPROX. GROUND SURFACE ELEV. Loose silty SAND Loose SAND DEPTI1 1- Cr W w W 1- I fIuiL IIUI.IIiLII P-5 W -6401 W.U. -- PIIOJECT NAME .Southcenter Retail SLEEVE FRICTION TONS /SO. FT. 0.1 0.2 0.5 1 2 5 10 CONE PENETRATION RESISTANCE FRICTION TON /SO FT. RATIO 0 20 50 100 200 400 4 8 1214 Interlayer loose SAND,silty SAND soft CLAY and organics Probe refusal Probe completed 10/9/89 40- -- 12 LEGEND - -- Sleeve Friction (kg /cm2)10 7 Cone Preeeure (kp /cm2) ;.��;, . ICI I 1 t:iV1111(ISI:- ZI.,1I,I N & ASSOC., INC. '°.. dih\= Ceulechuic►II / Il ydr geolut.ic►II Consult ur /s SOIL INTERPRETATION APPRUX. 011011ND S(JfIFACE ELEV. Very soft to soft organic CLAY and PEAT SAND interbed Loose SAND and silty SAND Organics Becomes medium dense Probe refusal Probe completed 10/9/89 LEGEND - -- Sleeve Friction (kg/cm 2)10 2 Cone Pressure (kp /c►n2) 5 1 1 20- 25 30_ 35 40 45 1 - 2 - 3 _4 1 1 111. 1 ril_li.11_ 1 i_.11 1,1101.1E NUMLIEII P -6 w.(1. W_6401- PIIOJECL NAME Soutlicenter Retail_ SLEEVE FRICTION TONS /SO. FT. 0.1 0.2 0.5 1 2 5 10 CONE PENETRATION RESISTANCE 10N/SO FT. 1 2 .i 10 20 50 -i- I( 1 200 400 FRICTION flA TIO 4 0 12 1.1 12 Depth (feet) Soil Classification TEST PIT LOGS W -6407 Test Pit TP -1 0.0 1.0 Soft, moist, brown SILT, roots to 3 inches 1.0 2.5 Soft, wet, blue -gray SILT 2.5 3.5 Soft, wet, black PEAT 3.5 7.0 Soft, wet, blue SILT 7.0 8.0 Soft, wet black PEAT 8.0 - 8.5 Medium stiff, moist, mottled, brown -gray, sandy SILT Seepage at 3.5 feet Logs below 3.5 feet Caving below 6 feet Test Pit TP -2 0.0 - 1.0 Loose, moist, brown, silty SAND (Topsoil), roots to 3 inches 1.0 - 1.5 Soft, moist, mottled, gray -brown SILT 1.5 - 9.5 Loose to medium dense, moist, gray, silty SAND 9.5 - 12.5 Soft, wet, brown, PEAT, some Togs and wood Seepage at 10 feet No caving Test Pit TP -3 0.0 - 0.5 Loose, moist, brown, sandy SILT (Topsoil) 0.5 - 1.0 Loose to medium, dense, moist, mottled, gray- brown, silty SAND 1.0 - 2.0 Loose, wet, dark brown, organic SILT with roots and wood 2.0 - 9.0 Medium dense, wet, gray, sandy SLIT Logs at 9 feet De th feet Soil Classification VV -6,1Ui Test Pit Logs, Page 2 Test Pit TP -4 0.0 - 1.0 Loose, moist, brown, silty SAND (Topsoil) 1.0 - 2.0 Loose to medium dense, moist, gray- brown, mottled, silty SAND 2.0 - 7.0 Medium dense, wet, blue, gravelly, silty SAND, small cobbles to 6 -inch diameter 7.0 - 12.0 Medium dense to dense, wet, gray, silty SAND Roots to 3 feet Test Pit TP -5 0.0 - 0.5 Loose, moist, brown, silty SAND (Topsoil) 0.5 - 2.0 Medium dense, moist, gray- brown, mottled, silty SAND with gravel 2.0 - 4.0 Medium dense, wet, gray, mottled, gravelly silty SAND 4.0 - 9.0 Medium dense to dense, wet, gray, silty, sandy GRAVEL Peat interbed, north side of test pit, 1 "2 feet thick Seepage at 6 feet Caving below 4 feet Test Pit TP -6 0.0 - 1.0 Loose, moist, brown, silty SAND, minor roots 1.0 - 7.0 Loose to medium dense, wet, gray, sandy SILT 7.0 - 10.0 Soft, wet, brown, PEAT Wood fragments Logs at 9 feet Seepage at 9 feet No caving RI"l'7'IiNIIOUSIi -ZEMAN & ASSOCIATES, INC. (ieolechnical & Environmental Consultants 1400 I401h Avenue N. E. - ` Bellevue, Washington 98005 -4594 (206) 746-8020/MX (206) 746- 6364 19 October 1989 W -6407 Mr. R. H. Scofield 4212 Huntspoint Drive Bellevue, Washington 98004 Subject: Influence of Site Development on Adjacent Sewer Proposed South Center Retail Parcel Tukwilla, Washington Gentlemen: This letter presents our opinion concerning the influence of the subject development upon existing utilities below South Center Parkway. This letter was requested by Mr. Robert Scofield during our 19 October 1989 telephone conversation. We have previously performed a Subsurface Exploration and Geotechnical Engineering Report for this parcel dated October 13 1989, project number W -6407. The proposed development property line is some 7 feet from the curb line of South Center Parkway. Beneath the South Center Parkway right -of -way, a sewer pipe is present at a. depth of approximately 8'/2 feet below the existing pavement surface and approximately 71/2 feet from the curbline. The proposed development would include the placement of up to 5 feet of fill on the subject site in order to raise grade to match those of the curb and sidewalks. The placement of structural fill for building and parking lot support may induce vertical stresses in the soft silt layer beneath the site and the sewer line. This very soft to medium stiff silt layer was encountered at a depth of approximately 15 feet below the existing ground surface on the site and extended to a depth of approximately 25 feet. Based on our analyses, we estimate that the settlement of the soft silts below the existing sewer line as a result of the additional fill placement would be less than approximately 112 inch. This estimate has not taken to account any preconsolidation of the soft silt layer as the result of the existing fill, pavement, and traffic loadings of South Center Parkway. This estimate also assumes a "worst case" condition for both site fill thickness, the insitu consistency of the soft silt and groundwater Mr. H. Scofield 19 October 1989 W -6407 Page 2 conditions. Therefore, we feel that our settlement estimate is conservative considering the actual subsurface conditions and loading conditions as proposed. It has been a pleasure to provide you with this additional information. We hope this information satisfies the needs of the City of Tukwilla and your present needs. If you have any questions or require further information, please do not hesitate to call at your earliest convenience. Respectfully submitted, RITTENHOUSE -ZEMAN & ASSOCIATES, INC. M�Iq ;,......./4 %, e 1.- 4 w i • c Kurt D. Merriman, P.E. Senior Project Engineer Kurt W. Groesch, P.E. Associate CITY OF TUKWILA DEPARTMENT OF COMMUNITY DEVELOPMENT ENVIRONMENTAL REVIEW ROUG FORM EPIC: a ? - 8 °( Pub Wks Fire PROJECT M( K (c. L ADDRESS / 68 0 u:,4le" L� '1 ..2,11 V. DATE TRANSMITTED / D a STAFF COORDINATOR V eZikaAt CIA-(673- u OCT 21 1989 RESPONSE REQUE TED p I NIN i L i t t - DATE RESPONSE R E The attached environmental checklist was received regarding this project. Please review and . comment below to advise the responsible official regarding the threshold determination'. The environmental review file Is available in the Planning Department through the above staff coordinator. Comments regarding the project you wish carried to the Planning Commission, Board of Adjustment and City Council should be submitted in the comment section below. ITEM Tc 5 pl T UP/ PM ? COMMENT re- ))(S c b C- oat 77-A) , to /is lartcyv rLA Twil bviRT0 LSE % r)Lsc.Lei !mot Tb ect7`l > 1-T ffip G- pc- f t Tam-,--5 Lug oo-r P 6)0 A4 (�,�, P, 3 • & P b di ai 1AY t rr L(�S tai -n.wn iT) - W/1 It u f(f— i - EC VFh, S ? LC( inc. Coivio tTI o-ts t N C Lu d Ih Er Lem e r -q 84503 l O 1c (Vt. Si t S [V\ -pkuLvA, yYL� TUKWILA 1-ikiLiC WORK -�4- CCY■ip r- m 1-s o t Craik sot F( l.,t.- PLIN 11 DI) NOT T1.L)514 Pe& • 1),Q, fl'N `I -F (MU f cert.. situ, G`i cif — T 6 —t s I S NN) V/ `1 (te 1-'44-t— L ON CM . IT 5 ( - -G cw (LL_ ao Rot, u 111,bT) Ziflx, P?W(i - PLty i i Plz =coon Nest-411.0 cc)(rIN, I tt RN/ Tbt(S ti2 SU►f-,13 p MY)-, Now . --s 7141F-Ft v/t. ° //t IL D 1YY1IP►� L j-/ A DOM orN i1 -T11, rr=1C 6-kM TT (.1r t;0. ' Pc1- I til t of -FHA S • M LL H Il . DA-n vY -i-1,ov\ "Rieclzu 1`N\2 T (-Q -c ist Date: / / 9/„ 3"-1 Comments prepared by: 09/14 /89 • vss ( LSD o Lg, l6 8 = --. Pw314 r2_/b.J /6 PZ// u LL . (v/y.4-77 2ftv10I hv(r) CITY OF TUKWILA ENVIRONMENTAL REVIEW ROUTING FORM DEPARTMENT OF COMMUNITY DEVELOPMENT EPIC: a ? - $ (31 PROJECT M 1 K I F / 68 13 SOUTt/C 762e DATE TRANSMITTED / © �� g STAFF COORDINATOR V o.zo'i Clic(3 :r v �fh2 K c,L%.q `F RESPONSE REQUESTED BY (0 (.i' DATE RESPONSE RECEIVED The attached environmental checklist was received regarding this project. Please review and comment below to advise the responsible official regarding the threshold determination. The environmental review file is available in the Planning Department through the above staff coordinator. Comments regarding the project you wish carried to the Planning Commission, Board of Adjustment and City Council should be submitted in the comment section below. ITEM COMMENT To r - �ts C usrE / T U_ opt 7-640 - (Me Date: //9/41s Comments prepared by: , &taut) 09/14/89 ENVIRONWI TAL REVIEW ROUTING FORM CITY OF TUKWILA DEPARTMENT OF COMMUNITY DEVELOPMENT EPIC: `if - 8 °( TO: Police Parks /Rec Building Planning . Pub Wks Fire PROJECT M � K A F I L L ADDRESS i 68 i 3 .SourticerN7'C-SJ2 DATE TRANSMITTED ( 8 7r 8 STAFF COORDINATOR V .zo„t C.%-(e - �J A-P-K cA).4- `F • RESPONSE REQUESTED BY /0 (acr DATE RESPONSE RECEIVED The attached environmental checklist was received regarding this project. Please review and comment below to advise the responsible official regarding the threshold determination. The environmental review file is available in the Planning Department through the above staff coordinator. Comments regarding the project you wish carried to the Planning Commission, Board of Adjustment and City Council should be submitted in the comment section below. ITEM COMMENT 7'6 b(Sc u E? If T bi.C., C5e4 7" 6'Q (048 Date: Comments prepared by: , 09/14/89 A. BACKGROUND 4414-'67— 1. Name of proposed project, if applicable: 2. Name of applicant: /1 ft --ri- . I-7. iLyiteA,A, j 3. Address and phone number of applicant and contact person: //oh? $A,JrwarwrePt �'KwY 7GtK.981 r8; S2 - DPI : CO 7A -T sa.-i — 2oRe T 54 e :feLD 4 21 2- .Uu.'T3 ?T- Butt . GJA . T6roa'f 'f . L -ay o 4. Date checklist prepared: 9 —.24.-8y Cont No. Epic rile No Z.7-8? Fee $100.00 Receipt_ No.�4=,-(7 ENVIRONMENTAL CHECKLIST �?�!! =; % : :I , 44 OCT -11989 5. Agency requesting Checklist: City of Tukwila 6. Proposed timing or schedule (including phasing, if applicable): 14 , C, 2,.. -D ,4-7 DGT • B / Gong sr . APf 4 L .i-u Se-gr. % O 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. /in 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. 9. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? If yes, explain. Q ,,,4 • • 10. List any government approvals or permits that will be needed for your proposal. N o w/ cc 11. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. There are several questions later in this checklist that ask you to describe certain aspects of your proposal. You do not need to repeat those answers on this page. Section E requires a complete description of the objectives and alternatives of your proposal and should not be summarized here. -//a!"- 9era4,0 cci .YOs. "A5 $ POc( I b in( 77.1,‹ ✓cc/q Pc/1? ( ( C OILKS DEPT, (e-7-7 M 0f OC70(367Z (ATTAcHet ) 10' 12. Location of the proposal. Give sufficient information for a person to understand the precise location of your proposed project, including a street address, if any, and section, township, and range, if known. If a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic map, if reasonably available. While you should submit any plans required by the agency, you are not required to duplicate maps or detailed plans submitted with any permit applica- tions related to this checklist. /G . S SeG!TC c6.--A✓lt-7Z Pic,-' se. , , wESi s, oe= /}c,ea Fie u,. AP/0 PIA-4th- LC_ 1-3A-11-674-0_6(11- ..3A -t&7 1- E�/r i, Tcuca eu7rBT . 13. Does the proposal lie within an area designated on the City's Comprehensive Land Use Policy Plan Map as environmentally sensitive? ...J OL I..i 9 ,ac SEA" / TO BE COMPLETED BY APPLIOT B. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site (circle one): rolling, hilly, steep slopes, mountainous, o er • Evaluation for Agency Use Only b. What is the steepest slope on the site (approximate percent slope)? /„/u, -•J F,LL.cn — Nd6./4F— c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any prime farmland. SAe./e7 d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. e. Describe the purpose, type, and approximate quanti- ties of any filling or grading proposed. Indicate source of fill. /: e ,a 44.64)C oc .Soe,i ; e ce3A/78L— ,ciAtG.•+.4r ✓ .. ,4DJ/tcsex✓r ? AP. Ndx_rrt et Sues -n' AAPpr24.) . fera e.a. • ✓v s . 1 YPi A _/-1.4-7L-172-, At_ 0,24.6A.4 3‘_‘.. rear, rS f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? cppw4A.le 7, • h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: co,/re-6L Sce) I'^-1q S , .D241-....1 ".4t IDatmmit) 2. Air a,. What types of emissions to the air would result from the proposal (i.e., dust, automobile odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. A-�.. r-t 4:77.-1 r $ s b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally describe. 'OA c. Proposed measures to reduce or control emissions or other impacts to air, if any: 3. Water a. Surface: 1) Is there any surface water body on or in the immediate vicinity of the site (including year - round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. ,.,d Evaluation for Agency Use Only • 40 Evaluation for Agency Use Only 2) Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. ,✓a 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. .JA,. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quan- tities, if known. iv o 5) Does the proposal lie within a 100 -year floodplain? If so, note location on the site plan. ,0o 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. ,.o • b. Ground: • Evaluation for Agency Use Only 1) Will ground water be withdrawn, or will water be discharged to ground water? Give general description, purpose, and approximate quan- tities, if known. ^)0 2) Describe waste materials that will be discharged into the ground from septic tanks or other sour- ces, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural; etc.) Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. N o c. Water Runoff (including storm water): 1) Describe the source of runoff (including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into other waters? If so, describe. ,�.i e t-e-fv"ZT ON S ■T& TD r c '7"c c'75/ el_( ex_ . SEvaluation for Agency Use Only 2) Could waste materials enter ground or surface waters? If so, generally describe. AD d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: c. A1 S.76 PL--s 47&72, c,T/ d.= '71.4 sews A 4. Plants a. Check or circle types of vegetation found on the site: deciduous tree: alder, maple, aspen, other _ evergreen tree: fir, cedar, pine, other shrubs grass pasture i crop or grain wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other _ water plants: water lily, eelgrass, milfoil, other _ other types of vegetation b. What kind and amount of vegetation will be removed or altered? wins , Tied; Ac.c^ry c.,IA-Vgr _ Pi€ pg . -v /...n,E c. List threatened or endangered species known to be on or near the site. Noiu - • d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: cv2Ass , Tim -es Fi-D s , S y 444 5. Animals a. Circle any birds and animals which have been observed on or near the site or are known to be on or near the site: birds: hawk, heron, eagle, songbirds, other: mammals: deer, bear, elk, beaver, other: fish: bass, salmon, trout, herring, shellfish, other: b. List any threatened or endangered species known to be on or near the site. /vo0u E c. Is the site part of a migration route? If so, explain. A74.92T of 4serleo.L �B�.F!L ect,y4JAy d. Proposed measures to preserve or enhance wildlife, if any: NoA,d Evaluation for Agency Use Only 410 Evaluation for Agency Use Only 6. Energy and Natural Resources a. What kinds of energy (electric, natural gas, oil, wood stove, solor) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. <A-s b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. ivo c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: ,72.. coAE$ 7. Environmental Health a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. 1) Describe special emergency services that might be required. /JoArG 2) Proposed measures to reduce or control environ- mental health hazards, if any: AJAuC7 • b. Noise aEvaluation for Agency Use Only 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other) ?__,, - 2) What types and levels of noise would be created by or associated with the project on a short - term or a long -term basis (for example: traf- fic, construction, operation, other)? Indicate what hours noise would come from the site. % ,f�uuGS eifoft7t. <DAJS7 . NdiJt - 1-..►4 0.06,YS 3) Proposed measures to reduce or control noise impacts, if any: NoA,tr 8. Land and Shoreline Use a. What is the current use of the site and adjacent properties? .eES',riucc; a 4',a,-TJ i4D3i4ceN+T /S SETA( L to Ad L✓�"7L b. Has the site been used for agriculture? If so, describe. 6,64.4: ,,J c. Describe any structures on the site. St4At.L N-6 44 Sr 4 53111643 • d. Will any structures be demolished? If so, what? e. What is the current zoning classification of the site? %1 -1 -7.i_ f. What is the current comprehensive plan designation of the site? g. If applicable, what is the current shoreline master program designation of the site? /Js.- h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify. No i. Approximately how many people would reside or work in the completed project? /6-35" J. • Approximately how many people would the completed project displace? 2 - 245-s,DeruV 30 ".'0T' - opaP- d << PE p1 ail ,N4 k. Proposed measures to avoid or reduce displacement impacts, if any: N o,�C 1. Proposed measures to ensure the proposal is com- patible with existing and projected land uses and plans, if any: �,G,,t e tie...,,p 22a LE -„Ez. oc R OTA- cc-tiJT . x.640.4 U.S -Tc 7/4-A.7" D0" A D Tivc.c' JT 'ADO . # /J F7 cN13o$r#doD. Evaluation for Agency Use Only • 9. Housing S Evaluation for Agency Use Only a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low- income housing? b. Approximately how many units, if any, would be eli- minated? Indicate whether high, middle, or low - income housing. m- c. Proposed measures to reduce or control housing impacts, if any: NA 10. Aesthetics a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed? 20 ' sn.r o b. What views in the immediate vicinity would be altered or obstructed? NOA/L- c. Proposed measures to reduce or control aesthetic impacts, if any: 6;02dss • 11. Light and Glare • Evaluation for Agency Use Only a. What type of light or glare will the proposal produce? What time of day would it mainly occur? N £ /J b. Could light or glare from the finished project be a safety hazard or interfere with views? No. c. What existing off -site sources of light or glare may affect your proposal? A) AJ d. Proposed measures to reduce or control light and glare impacts, if any: Aso Ala- 12. Recreation a. What designed and informal recreational oppor- tunities are in the immediate vicinity? u6NG — J4 5 H-b PP'N 4 Ai2-e- b. Would the proposed project displace any existing recreational uses? If so, describe. IJo c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: AJoa4r 1 13. Historic and Cultural Preservation a. Are there any places or objects listed on, or pro- posed for, national, state, or local preservation registers known to be on or next to the site? If so, generally describe. N a • b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. iuou- c. Proposed measures to reduce or control impacts, if any: Noivar 14. Transportation a. Identify public streets and highways serving the site, and describe proposed accss to the existing street system. Show on site plans, if any. s .670 /3 y soup 4-e-Nriot.- Pit 4-"y ,Da• . b. Is the site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? yes' T NSr STaos A-r 5,7F— . c. How many parking spaces would the completed project have? How many would the project eliminate? APP/Lis . !CC .5 ,v s'T . 4. — Evaluation for Agency Use Only • • Evaluation for Agency Use Only d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private). ivo e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. N o f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. g. Proposed measures to reduce or control transpor- tation impacts, if any: 15. Public Services a. Would the project result in an increased need for public services (for example: fire protection, police protection, health care, schools, other)? If so, generally describe. iu o b. Proposed measures to reduce or control direct impacts on public services, if any._2,1& • 16. Utilities • Evaluation for Agency Use Only a. Circle utilities currently available the site: -ctrici . natural gas, Cwater elep one (Sanitary sewed septic system, o er. b. Describe the utilities that are proposed for the project, the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. 7, -h sE- A g a vG- — A c, f2 C'A Dy ?Nt-f2.c C. Signature The above answers are true and complete to the best of my knowledge. I understand that the lead agency is relying on them to make its decision. Signature: Date Submitted: 9 — PLEASE CONTINUE TO THE NEXT PAGE. TO BE COMPLETED BY APPLICIII D. SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS • Evaluation for Agency Use Only (do not use this sheet for project actions) Because these questions are very general, it may be helpful to read them in conjunction with the list of the elements of the environment. When answering these questions, be aware of the extent the proposal, or the types of activities likely to result from the proposal, would affect the item at a greater intensity or at a faster rate than if the proposal were not imple- mented. Respond briefly and in general terms. 1. How would the proposal be likely to increase discharge to water; emissions to air; production, storage, or release of toxic or hazardous substances; or production of noise? /,vim -a.ee z,,A7- /2-1-4N acv . . Dp ?-1 ORS -77200% Fpi C Proposed measures to avoid or reduce such increases are: USE �Arrz� -s 3®.s�NS x:62 L.T' -cLC.EZ770xi Dom S /TE / 7 ,JT, J Sys TAI . 2. How would the proposal be likely to affect plants, ani- mals, fish, or marine life? 4.6ss X" 141.4 , 7-Sc7` S e i-t 73/ R.As Gr AA nJ 1/ge0*T3 . Proposed measures to protect or conserve plants, ani- mals, fish, or marine life are: S,rgv,,,,,d 50,4, FOX NE)J 7,4-Ar/•+?7 A.16 3 acc "APES , S .44-04445 c; ?A-SS , 0 wem4 . Evaluation for Agency Use Only 3. How would the proposal be likely to deplete energy or natural resources? NoN� Proposed measures to protect or conserve energy and natural resourses are: PoL cvv&E- lvEN.L.`f S��iN41 . 4. How would the proposal be likely to use or affect environmentally sensitive areas or areas designated (or eligible or under study) for governmental protection; such as parks, wilderness, wild and scenic rivers, threatened or endangered species habitat, historic or cultural sites, wetlands, floodplains, or prime farmlands? s,-,w ,. S f.1-au sE p..1.0 ,�,., a12-Derk-1 wo.,. aI Lasr Proposed measures to protect such resources or to avoid or reduce impacts are: j-_ , . ,J, -l„1 Gart,00J 2tr?5 Oe .1 cc . 5. How would the proposal be likely to affect land and shoreline use, inclduing whether it would allow or encourage land or shoreline uses incompatible with existing plans? ,.. / "floc -TS Evaluation for • Agency Use Only Proposed measures to avoid or reduce shoreline and land use impacts area: Ay,q,.. How does the proposal conform to the Tukwila Shoreline Master Plan? c ortpc_y 6. How would the proposal be likely to increase demands on transportation or public services and utilities? 141 °71- 5 ij'l ? ETA t < PP-o7_7 126-Q t o at'S Proposed measures to reduce or respond to such demand(s) are: &rere As AJFC E.ss A.E-Y 7. Identify, if possible, whether the proposal may conflict with local, state, or federal laws or requirements for the protection of the environment. 14.-JA /A1,0A- <..r,l •Evaluation for Agency Use Only 8. Does the proposal conflict with policies of the Tukwila Comprehensive Land Use Policy Plan? If so, what poli- cies of the Plan? A.)0 Proposed measures to avoid or reduce the conflict(s) are: .N o 14-)a- TO BE COMPLETED BY APPLICA410 •Evaluation for Agency Use Only E. SUPPLEMENTAL SHEET FOR ALL PROJECT AND NON PROJECT PROPOSALS The objectives and the alternative means of reaching the objectives for a proposal will be helpful in reviewing the aforegoing items of the Environmental Checklist. This information provides a general overall perspective of the proposed action in the context of the environmental infor- mation provided and the submitted plans, documents, suppor- tive information, studies, etc. 1. What are the objective(s) of the proposal? c?/l, f-+ uer.rc L 17� uC L . POTE1.3Ti at. /TS a ON S i S TZ NT L.J iTH %!.[!44 iL.l. GBNt vb pL./ ."4 _ 2. What are the alternative means of accomplishing these objectives? GL o,..:- 70 /• -, c- M c- O7z 1.1 -L 3. Please compare the alternative means and indicate the preferred course of action: ALL 6.71VC 1_ - -Op.fE- .S Arm /11/4,7.070S I lit • • Evaluation for Agency Use Only 4. Does the proposal conflict with policies of the Tukwila Comprehensive Land Use Policy Plan? If so, what poli- cies of the Plan? ti,Q Proposed measures to avoid or reduce the conflict(s) are: -23- ols. r Nc time - LEGAL DESCRIPTION: aAa■ ISLO.N0 ' That Portion of.the Northeast quarter of Ate Southweu quarter lherciaafurrefrrred to is the subdivision) in Section 26, T001100 2S Noun. Raoge 4 East, W.M., to King . County. Washington, lying West of the County. Road and deuelbed as follows. BEGINNING at { point on the West line of said 1.040tilon 1.0:0 feet North of the Southwest corner thereof running; :- TIIENCE North along aid' West line 204.62 feet, more or leu..to the.NOrih04u :orate of said subdivision; ' ',THENCE Cast along the North lira of said subdivisioioa to the ihuntctwa +Me the. West '• line of said County Road; ' 'THENCE South .1001 •aid West line a 4NOace of 204 62.feet. more or lea. to the intersection with a line•ruaning East from the point of BEGINNING parallel to the South. : I1ne.of said subdivision • TNENCC'West on said parallelling to 1M POINT OF BEGINNING; - EXCEPT portion thereof conveyed to the Sate of Washington for Primary tan yrStat f the Me W -• Nu. 1, under deed retarded under Auditor s File No. I03. lying `line of that property conveyed by the -tau of Washington by and recorded Rawer - Recording No. 1303150262. ' ALSO EXCEPT the East 6 feet thereof far South toter ParLway per deed filed ,0 vaumt • 30tH of Deeds a1 42{0551. - _ • . . P. 5A.w.1 1 V •�. OVtRG1,eabJ WEIg. • Iti PE2P v c1hc4. .....r - 1 L4.J. ae. ISO. V1:..... - 1••..4 A6 =1 • POT (?4'oA:..' GF_O FD jTw S \L_T': F6.11.14 PA.'61EHC.. (C•• E•7L i ATTAG. lb POGT ER0900/SEDIOENT6Od CONTROL NOTES . , 1. 011 LOOTS OF CLEARING AND AREAS OF VEGETATION PRESERVOOC I AS DESCRIBED' ON THE PLAN 91.11 BE CLEARLY FLAGGED ON THE'. FIELD AND OBSERVED DURING CONSTRUCTION. . - •2' ALL REOUIRED'•SEOPONTA001/ERO901. CONTROL FACILITIES )1U5T.. DE CONSTRUCTED AND 11 OPERATION PRIOR TO LAND .CLEARING -. AND /OR OTHER CONSTRUCTION TO NAME THAT SEDIMENT LADEN - WATER DOES NOT ENTER ME NATURAL. DRAINAGE SYSTEM: ALL E00 900 AND SEMEN? FAC1UnE5 SHALL'BE MAINTAINED N A SAT -' ISFACTORY 60001000 UNTIL. SUCH TINE THAT CLEARING AND /0R - CONSTRUCTION 15 C01141E1E0 AND POIENOAL FOR 01091E EROSION - - • HAS PASSED. THE IMPLEMENTARON, MNNTENANCE REPLACEMENT ' AND ADOMON5 TO EROSOM /SEDIMENTATION: CONTROL' 5Y51EM5 SHALL -.' BE THE RESPOISI&UTY OF 101 PERMITTEE.. • Sll_T- FEIJGE iioi 16.2 THE ERosio. AND SEDIMENTATION CONTROL SYSTEMS UEINCIEO' ON THIS ORAWNG ARE INTENDED TO BE MINIMUM REOUIOEMENTS. TO NEST - ANTICIPATED 9TE CONDITIONS. AS CONSTRUCTION PROGRESSES A00 -. UNEXPECIED.011 SEASONAL CONDITIONS DICTATE 1HE PERWTTEE SHOULD .n1PA1E THAT MORE EROSION AND SEDIMENTATION CON- ' 1Rot. FAO10ES MILL BE NECESSARY TO INSURE COMPLETE SILT- • - *00N .CONTROL ON THE PROPOSED S1E. DURING ME COURSE' O . .. CONSIRUCnoti. IT 91011 BE 710E 011LIGA71O1 AND RESPON5BNTY OF THE PERW1TEE TO ADDRESS ANY NEW (0NDIn015 THAT RAY BE. CREATED BY 015 ACTIVITIES AHD TO PROWDE ".ADOl10NAL FADL- - IIIES. OVER AND 000.2 Me0MUUIREOUNE0IDITS, A 01•.BE NEEL/ED' , TO PROTECT AL1•;Er.T PROPERTIES 0,10 MATER OuAvIT4 O THE RE- ' L OF ln.- .G E..L.,:.l., iLLN.I, I:•IIw:' .�. tH.., . 11 DOES r.0l 'GA 111 APPROVAL OF STORM IMANAGE . OES1GO. SEE NON 00110011 O 41PES, RE51RM:70R3,. c HANNELS EMr. • • S. - AN1 OISTURBEO AREA W0LN HAS REED 5700.160 of• iE„ETA1101. A1.L'• NEENE NO 404014R 00RA 15 ANTICIPATED FOR.• PERIOD OF 40.02(5 OR u(201 RUST BE 100EDV0TELY STABIUZED NTH MuLCMNG, GNOSIS • PLANTING OR • OTHER APPROVED ER0510N.00011301 TREATMENT APPU . CABLE. TO THE, 11HE O YEAH IN ODES CON. CRASS SEEDING ALONE 0LL- BE ACCEPTABLE ONLY DURING ME. MONTHS O APRIL 1400000 ' .SEPTEU *ER NCLU95E. SEEDING MAY PROCEED OUTSIDE' THE 5PE - CIFIEL FINE PERIOD WHENEVER IT IS 00.7HE INTEREST OF -THE. • PERL0TTEE. BUT MuST BE AUOI4EN7E0 WIN MUICHIOG. uEE11116. .00 OTHER TREATMENT 4PPR0vED BY'7NE DEPARTMENT. • - . 6. ALL ENOSON /SEDNENIADEM CONTROL PONDS 04111 A.DEA0.5TONAGE- DFPTH EACEEDING 6 NCHE5 0051 -HAVE A FENCE WTH A WARM - 0BCN1- O 3 FEET - DIUF.rtSNOU DITGL+ II2r CONSTRUCTION 5E0UE0CL I.. ATTEND PRECAN51R1Cn0N MEETING.' 2..' INSTALL GONSTRUCNON ENTRANCE ' -�0 RAG •.iLVIMO UNIT - ♦ -PLACE STRAW BALE DAM N EASTNC DITCH..:- INSTALL 40.1ER -PENIS Aw0 DIVERSION OTOHES.' -'6 .CONSTRUCT NORM EROSION CONTROL DITCH/POD W,H.PERFORAIED 7 CLEAR AND'GRUO SITE a . REUOVE uNSNTARIE NAIERIAL.. (ADE 10 SUBGRAOE :.LOISrtNterl SPOTG- ;AOErt -�- PRODOSC.5 Collfour•r PRoPosea apor.c-NZP.o 4.2AD6 - Ia2.LAYL 1 PROFbsED -+ PROPOtED tio�7 �' ti ILIV lb -b I0 00 9 . 3'$52oMZe DI5 •. PSP+ Lie - L.h. 0271. EL0..F' 22.4.Z •• . �COLL SU2v6K). MAINTAIN EROSION /SEDWEi(TA00N (001000 MEA5IRES.Duio0C ALL CALL 48 HOURS BEFORE YOU OIG '. 1- 800 - 424.5555 QCI 0'4.1989 GRAPHIC SCALE } 'GRADES, 4101. DE2.v GD FROM --11•02-01.R-NAATIC,I.I 311401L3AA.(. 01, COLE d AS` ClA.TES SOR.U16-1 - 'DATT+D «-r, 15717. ANO ADD1110MAA_. 1100001 A-TIOM f42000. PAJ4M PETF.C3.oLL (2.63I. 000FTC0.'1 (XT, 140b . . ALLQ . Mt[0144.- Pr4..100 (JKr' M'CA8411' E0. )'. COaaw -Acra2 bl4P.LL FL 017 . .VERIFY' ALL. IALf041,1AT1onJ P21D$2... 00' COEdsTtL.CROLLI (N FEET') -. . 1' Mat • 20- N. • RMR 10/02/8 89343.00..: