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SEPA E02-019 - NEWTON MARGARET - BRICKLAYERS UNION HALL
This record contains information which is exempt from public disclosure pursuant to the Washington State Public Records Act, Chapter 42.56 RCW as identified on the Digital Records Exemption Log shown below. E02 -019 Newton Margaret / Bricklayers' Union Hall 1520852 nd Avenue South RECORDS DIGITAL D- ) EXEMPTION LOG THE ABOVE MENTIONED PERMIT FILE INCLUDES THE FOLLOWING REDACTED INFORMATION F,age # Code Exemption � � �� Brief Explsnatoty Description, Statute /Rule The Privacy Act of 1974 evinces Congress' intent that social security numbers are a private concern. As such, individuals' social security Personal Information — numbers are redacted to protect those Social Security Numbers individuals' privacy pursuant to 5 U.S.C. sec. 5 U.S.C. sec. DR1 Generally — 5 U.S.C. sec. 552(a), and are also exempt from disclosure 552(a); RCW 552(a); RCW under section 42.56.070(1) of the Washington 42.56.070(1) 42.56.070(1) State Public Records Act, which exempts under the PRA records or information exempt or prohibited from disclosure under any other statute. Redactions contain Credit card numbers, debit card numbers, electronic check numbers, credit Personal Information — expiration dates, or bank or other financial RCW 26 DR2 Financial Information — account numbers, which are exempt from 42.56.230(5) RCW 42.56.230(4 5) disclosure pursuant to RCW 42.56.230(5), except when disclosure is expressly required by or governed by other law. CONTAINS FILES THAT REQUIRE REDACTION BRICKLAYERS UNION HALL CONSTRUCTION OF OFFICE BUILDING, PARKING & LANDSCAPING 15208 52ND AVE S. E02 -019 Cizy of Tukwila Steven M. Mullet, Mayor Department of Community Development Steve Lancaster, Director NOTICE OF APPLICATION DATED NOVEMBER 26, 2002 The following application has been submitted to the City of Tukwila Department of Community Development for review and decision. APPLICANT: Margaret Newton, AIA on behalf of the Bricklayers' Beneficial Association LOCATION: 15208 52nd Avenue South, Tukwila FILE NUMBERS: L02 -039 (Design Review) PROPOSAL: Construction of a 10,000 square foot office building with associated parking and landscaping. The upper floor will serve as the Bricklayers' Union administrative office as well as commercial office lease space.. The lower floor will serve as a meeting hall. OTHER REQUIRED Development Permit, City of Tukwila PERMITS: A SEPA Determination of Non - Significance was issued on August 22, 1996 and is still under effect (File E96- 0019). The Bricklayers' Association proposal does not create any new significant environmental impacts from those previously considered under E96 -0019. These files can be reviewed at the Department of Community. Development, 6300 Southcenter Blvd., #100, Tukwila, WA. Please call (206) 431 -3670 to ensure that the file(s) will be available. OPPORTUNITY FOR PUBLIC COMMENT You can submit comments on this application. You must submit your comments in writing to the Department of Community Development by 5:00 p.m. on December 10, 2002. If you have questions about this proposal contact Deborah Ritter, the Planner in charge of this file at (206) 431 -3663. Anyone who submits written comments will become parties of record and will be notified of any decision on this project. 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • Phone: 206 - 431 -3670 • Fax: 206- 431 -3665 City of Tgskwg Steven M. Mullet, Mayor Departme t of Community Development Steve Lancaster, Director MEMORANDUM TO: Bricklayers' Union Hall File E02 -019 (SEPA) 52nd Avenue South Bldg. File E96 -0019 (SEPA) FROM: Deb Ritter DATE: November 25, 2002 RE: Addendum to Existing DNS (E96 -0019) A Determination of Non - Significance was issued on August 22, 1996 for the 52nd Avenue South Building under E96 -0019. The proposed building was to be a three story 22,358 square foot commercial office building with associated parking and landscaping. The building described in the 1996 DNS was never built. A new proposal for a smaller office building has been submitted for the same site (under Design Review (L02 -039). The building will be a two -story 10,000 square foot office building with associated parking and landscaping. The upper floor will serve as the Bricklayers' Union administrative office as well as commercial lease space. The lower floor will serve as a meeting hall. It has been determined that the Bricklayers proposal does not create any new significant environmental impacts from those previously considered under the 1996 DNS (E96- 0019). Per Barbara Ritchie of the Department of Ecology SEPA Division on November 21, 2002, public notice and public comment are not required and no additional documentation is necessary. 6300 Southcenter Boulevard, Suite #100 0 Tukwila, Washington 98188 0 Phone: 206 - 431 -3670 0 Fax: 206 - 431 -3665 0.1117T('E set, otVICINITY PLAN NO xALE PARKN6 AREA ►5 ` TO t re t - -- LW,. 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C.v.., ,11.2 V+4 •," ..10en gb4.4, ‘701.1TH ELEVATION 3rECEIVED CITY OF TUKWILA NOV 1 4 2002 PERMIT CENTER 4,11 121., 0 NEWTON 4550CIATE5 ARCHTECT‘, A - 2.1 • t. • ;(1,.).....'s,* Atti o.1 Y. COO 1 1111 1,,, 12 ita d 1,1,i Mi 11 itritit 6 1101 1N ail P'. ,........:kl■ k„ -,..-.... rl . \ I., . t • ' 4-p .'i." tf 04. -r,....1 ::- • - - — -.....ri% m•Ria q.tr:A1411111W - ' ifftr.."521.1.- ''dt."tfitt.rAW.-•-Aory '':''di '''‘ . .. '''.1"..;'-..=-1-1_=-. :-.773.7.7-s.:=1....z.. ::: !...•-.'":,'"-.:111.jj1,1:7",•-'1174-11 '..i.,744.1111.1"' 2' -1.2''':,..., ,.v.I. 4%.:?1,11f....4.1:0:.-: 0$4,00 ...e. : , t 0, f , .4, , , • „Nr4,1 V , . .., .,, 1"Allt51611".. rfi!OP.:44.6" . i GAML LOIA,NO, 61.g•A • ■ , 1 -+' ,e2^4. ...1A_P•ANE5e, YON r:—..-11■TI I p..... 1,-.0,00 . - M000ragen4 116w sr."-•.+4D I 4,4,9,44E Yet'l t• . , • • • '.- WEST ELEVATION (Al TT) 0.4AgF AMIN& Utx1 RECEIVED gITY OF TUKWILA Nnv 1 4 2002 d. - arm :1 • _ _ 0 u`Tr via. 4.1 0wrq I Wfa1Rr - "__..((ice - -Rr: ._- _". 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P101.am Fenn, Fr C0 Sl..ara.0 4L..A 44.KI..A0N YPFI► 01doddIN. dW.OK- MAFrwC/..IMLnn(A r' T PKI /4 1.4. 1.1116 Ac.4 41v7 NA,. i'rAa�vwL Mry RECEIVED CITY OF TUKINILA NOV 1 4 2002 PERMIT CENTER 1 tie 4.. 1 west P:gwe.a 5 ,9101. 00505.4* m•ITD4tA 011 ve' K11DR1• •we IT IIMV0*04 0 4 0 04 00.4. i.�!OIacGW f/R/.Y 11V044 44.6T4I0010 w�0414. •TICS. f041.<nd4 P5.WN1i P.WVE W .4 MA..P M. A4g1rM1n • M' ode NYMUO ~TVL AG: 01444.1 1,001,1,004410 r D64.1•1 'M (( 6JM' 0444 +.... L y1LEL 0 TIT HIT • EWI.YN5.4ALATyO l441/AGIN SO. 0.1.0-1 OIWNG WYI =VII •. 5.. (455 t .A IIYnT.RC4 .)`.;e 4 * weer.) 7- wt.01TVM1.VPA 6.0111 .LTE 0041 C/..T01.01S 1.11 O.n d. 0444455.1 • • S�MI Lwn 2510.E I(A1 43A 1.44 15 INTL6041K•TW h4M Tow A.64 VlOttnN 01400 0* T. D.w+DP 4410 IF. LN1y* A YYD4iPJS 00 MT. 1 «0�1iocT. L'WE F I111.44614 ... ;14 ... ._ i4 -. 11 11 111 .141i'K' Y1WIW11•.1 1 5 NATUD tP/MtA' ID' 1111064VP 0.4.V 5.KJ.J5D56 1r- Ems'''. 1+0 Kadaorten.mot 1. 441 as.dpato T Mf ACa1x 44.4 4PMl 6.401 41/04:T.4.0440 101&r551S.1443 9.5*0*. 0 PRA.wV1 OF16.•.A,.'MY5..t00 7 YFwm✓.AMxN.'�/•VY. J� 251.11' 0+144 O. T. OW.. 0441.614 61144 Md. 1.41401.C.1RA9W '00T40 wows' 2e arra 4/1..5.114 1Ay Ra. TACO N01141041 PWCxY. 52' Avenue South 101 1.11.. /104110111440 1.041aJ44 51O M.• 2.1411..40 FEN* MT. AM 17.44 IT P01*$•44 LA5.* 5* 4..•1.105..011.4' 24 pm Lln %W LAL.LIL ... 4. v "C4434I.. 3004440.4140p3* 504pt..*5) URE E-7.=[0-44114T. e_:; 0.404- --j 11 ---, .elG•,+- L3 �- hoc. -0 K 41T.4.40 1WNTMVI ALA oot O 4..49 idotot.for W.•. devi 44WM010I0 1' f00* 0NW.0.TAL 044011 • b'oJ% Landscape Planting Plan 4.5. • 11{' ,g) &WC lll� 0 • 1 -0" NnLO NEWTON A5c2OCIATE5 ARCITCLT') Y.rR1... MoK M oe°O�w'sw 1.. - •Warn. TADRT k Kam. Inc l.d.c.p. ANaNGIu 1101E..1 M.S.* 54.10.6 MA 0112 Td 004 SUm. Id MY 124400 It • •0 • re 19, .50 SC b.a. ho 1.23- -1•20'2'13.12 5]1 b12 b 0 b q - :, bm bos bsl bro ba--- Lr - -059- -Dix 712 ;bl� 333.3_ ..__ ... _.._ b92 i ( b b :. 130o b.' b b.9. =•125 bs. s2 ox b./a To b.o/ bn b3. os9 11. 1 bse 5»'b. bao I, boa bs, 46. D9s 195 bso bss bat 53. 1■, 1. b91 b,- b„ tso 'boo in 533 )s: t.n (s 412 to ":ku; bey^ 59 j_ 1, Sal } : • � > tn9 ;s ,sl i'. ®�s�e ttre 12. I • by 9; 1 6. • t. 2s ter 1.1 ... • I• t 53 ,s . 5 w 9• • bu tar 123 IV 122 :33 .32 :a ::0 • •. 3.15 1 39 100 ..0 5:4 13. Oa: b7' 0395 1.21 '3 3 500 SD. 169 5,1 122 1 s1 1.25 boa 1 so 123 3 VB .3 C9- 1 I f_9 t,v ba3 ce i�...a --b:9 t:. -19 - - =- '092 e• 13 :tee o . •sa - 12a vS: l I /9 ts 1,9 SITE LIGHTING FC LEVELS 5crc VR' - ■-0 • RECEIVED CITY OF TUKWILA NOV 1 4 2002 PERMIT CENTER •••• 560601• 3,Mal ar 0•90195:90 c....9 Lionens ♦D 0I- I- ,a- .00.l- ... -05 • 25' 39000 i2 2 L G•0.9 019 -I -3¢ -6020.• • 2• 39000 -IID 50 C••■• 00- 1- 220- .W.... 23 39000 I 901 _Goall Moo. �CO4R . 3.51: RATES r95c G0.{cna /�,• 2K- 50.041 AO . / (MISS TOTED 0152010151 K .055 144301 00.220 .14 G.1v09100 RIGID 5124 •035 L 2(14. SIM 1. AMC., Kolt *WOG POLE BASE DETAIL .1 SG. W51. rtuo. 9As11050 'D(41I(IC2na 51912 U11 1#91510 ,12#40[11 2 *5 MG4 141•00 2A951• - RS*R1W 12.Gm10.426 0I6•1 • 9ITU Ra1R4T25 2500 W 11 T 1.5 ASMS IT 200 42 -_ •205201 -r01 GOVOCna 1RUrARO 9012111.1. 000215 -nn AS SKCIf(D SECONDARY SERVICE TRENCH DETAIL 901 r0 50.1[ On.. ARA11..I 030912.4 IRIS IN ARCRDfTR .1a atrial 2e0-a: Or to T[G. 111-520 3/• avam 0 5422 GROUND ROD DETAIL 201 10 SC. 0 Z U � z - 8 O co Q U K O to w a z Q O ce a U 0 • Q Q ▪ -1 0 Z U < 2N (Wr W Y � J ; C-2 Z M 15208 52nd Awnue South, Tukwia. Washington NEWTON ASSOCIA TES ARCHITECTS Ii r112(. MILK T EIa9 393 -ago. 1n� 59.- s.wru rota 11 4 e . (4 •n 0 01 let wq 10/01/100 NOTE: EARTNWORK ODANIITIES ARE PRELIuRARY AND APPROXIMATE AND 514111 N01 RE USED FOR THE PURPOSE Of 8100040. CONTRACTORS ARE RESP50NSI&E FOR OEVEl0PING TNIER OWN ESTRNIES Of EARTNWCPI( OUWTITIES ON With THEIR DID WRL BE BASED. NO ADDITgANL PAYMENT WILL RE MADE f0R EARTHWORK IN EXCESS OF CONTRACTOR'S 80 AM0UN1. AMOUNT OF STRUCTURAL FIR NEEDED I5 APPRO6. 640 CUYQ AMOUNT OF STRUCTURAL FILL TO & PLACED IN FILL AREA IS APPROX. 440 CUM AMOUNT Of STRUCTURAL FILL TO DE PLACED IN CU1 AREA IS APPROX. 200 CUYD CLFARWC UNIT FILL HATCH PATTERN: APPR0XIWIE FILL = 1.371 CUYQ ( APPROX. FILL AREA - 27.400 5F) CUT LATCH PATTERN APPROXIMATE CUT = 1.422 CUYD ( APPROX. CUT AREA = 20.000 57) ' • RECEIVED CITY OF TUKWIlA NOV 1 412\002 RERMIT C_ t: R ?II Tl' ROBERT FOI.EY ASSOCIATE INC. T]A 0.0114 • 1.../111pIYAf BRICKLAYERS UNION HALL Nr.mA. 0A51.103T0% L 1S P1192.111i112 T0/1■02 G nTT .00 6v2 art gYtt. tr 4 420210 „.: T✓f YD-< r/er/Y Earthwork Plan 0 C1.3 RECEIVED CITY OF TUKWILA PERMIT CENTER VERIFY EX CB DOES - NOT COLLECT SURFACE RUNOFF. THEN ABANDON C8 AND REMOVE CPEP FROM LENDER PROPOSED PARING LOT • VERIFY EX C0 CAN BE ROVED SOUTH -1" AS-SHOWN . R[. EMDVE 12' CPEP PIPE jtC 76,7 • ., 75 LF • SLEEVE FOR 6 i PVC 0 25 SL MI TC'76, • 76.4l BC 76 RIM 77.00# D 74.40 4%`' gl r'..- 74.J�7rit 14.4 EC 73 JUNCTION COON PT PROVIDE 2% MIN LF 5D PVC 02 5L 971 EX MN RAISE RIM TO 75.50 75.17 142 If S06 PVC 0 22 5 CO RM 75.88 IF 71.56 18 LF DIP SLEEVE FOR 6' PVC O 27: SL MIN 46 LF SD 6' PVC o 2Z SL MIN YARD DRAIN or X 127 RIM 91.00 IE 89.00 77.81,- CO R64 91.08 IE 88 52 }S. 91.24 ..l lF 50 6' PVC 0 2% SL WR, CO RIM 9120. IE 90.40 011 92108 93.66 BREAK GR5)E_ 91.1 91.37 i, A]1 ] . ° ' R I IIIIIII' 1I11111_i�1IILll_Is i1R�U 'I ,Illy 1`•'ll''11 ,,� 79 7F� 1., 78.1 ■ 1- 1�j `\ 7 1. :. t, ONNN~ 77 RW 77.9 88.418E 2.716 92'88 PRESERVE EX. GRADES 04 IRIS AR Y W ORDER TO SAVE EX. TREES (5E0 LY(MDSCAPE PLANS) EX 3y22 t SL ONNE TO EX Z. CO RIR 78.21 D 73 00 18 LF 55 6' PVC 0 2 % 51. MIN 5AWIARY SEWER NG 55 STUB AND CLEANOUT (VERIFY E PI WILL ALLOW FOR SLOPE MINIMUM FOR PROPOSED SANITARY SEWER LINES),\ d800DEEX. • \ . 189708 GRADE 1' 11 ; ;W ORDER TO SERVE EX, - C. C2.0 TAP ER: 8' WATER' MAIN ." BC, 81.73 7.7% 5L /OBERT FOLEY ASSOCIATES INC. 1.,.131.®+1. . W0.1, 03.1HM BRICKLAYERS UNION HALL nACwvA WAv.cra nwi°ws 6474 A W ISM OM MUM n :54 Chum n .87 Pmm Grading, Drainage and Utility Plan MEMORANDUM TO: Bricklayer's File L02 -039 (Design Review) E02 -019 (SEPA) FROM: Deb Ritter DATE: October 22, 2002 RE: Sound Transit Alignment At 1:30 today, I spoke with Deborah Foreman, Appraisal Manager, Sound Transit Real Estate Division (206- 398 - 5418). She said that she learned about the Bricklayer's applications today. That information was relayed by Rod Kempes through the Real Estate Division hierarchy down to her. Ms. Foreman was not aware of the Bricklayer's permit time line. I informed her that if the Bricklayer's applications were approved, their building would most likely be constructed well before construction of the Link Light Rail at that location. I told her that Tukwila would not be involved in discussions or negotiations between Sound Transit and Bricklayer's and that Tukwila will not hold up the Bricklayer's applications because of Sound Transit's proposed alignment. I told her that on August 22, 2002 we provided Sound Transit with specific information regarding the Bricklayer's proposal. I also told her that we have provided Margaret Newton (the Bricklayer's architect) with Terry Beal's phone number. Ms. Foreman was reminded that a Sound Transit representative was present at the Bricklayer's preapplication meeting on October 4, 2001. Ms. Foreman indicated that she would now contact the appropriate parties in Sound Transit (real estate acquisitions staff) as well as Ms. Newton. She indicated that an aerial easement might not be appropriate, depending on the eventual location of the railway support columns on the Bricklayer's site. CITY. 4 TUKWILA Department of Community Development Building Division - Permit Center 6300 Southcenter Boulevard, Suite 100 Tukwila, WA 98188 Phone: (206)431 -3670 Pre Application Checklist Pre - Application File No.: PRE01 -032 Project Name: Bricklayers Union Hall Meeting Date and Time: 10/4/01 2:30 pm Site Address: 15208 52 "d Ave. S. The following comments are based on a preliminary review. Additional information may be needed. Other requirements /regulations may need to be met. BUILDING DIVISION The following is meant to be general information related to the requirements of the Tukwila Building Division for the processing of building permits. Specific code issues will be addressed through the normal plan review process after the permit is applied for. 1. Comply with the Uniform Building Code, 1997 Edition, as adopted and amended by the State (Table 10 -B, Section 1607, and Section 3003 of the 1997 UBC are not adopted). 2. Comply with the Uniform Mechanical Code, 1997 Edition, as adopted and amended by the State. Er3. Comply with the Uniform Plumbing Code, 1997 Edition, as adopted and amended by the State. IY4. Comply with the Washington State Energy Code, Chapter 51-11 WAC,•2000 Edition. Energy code specifications and data must be included on the building plans. Comply with Washington State Regulations for Barrier Free Facilities or Design (State amendment replaces UBC Chapter 11 in its entirety). 6. Comply with UBC appendix Chapter 12, Division II -Sound Transmission Control. U 7. Comply with the 2000 Washington State Ventilation and Indoor Air Quality Code (Fifth Edition). 8. Plans submitted for approval must be stamped by a Washington State licensed architect or engineer and shall 2/9 specifically contain the name of the person designated as the architect or engineer of record for the project. This person shall be responsible for reviewing and coordinating all submittal documents prepared by others, including deferred submittal items, for compatibility with the design of the building. (See UBC Section 106.3.4.) Rockeries are not permitted over 4' in height. Retaining structures over 4' in height must be engineered retaining walls, and require a separate building permit. 10. All rack storage over 8' high requires a permit and must be designed for Seismic Zone 3. A Washington Stat€ structural engineers stamp will be required on plans and structural calculations submitted for rack storage over 8' high. RV 11. Construction documents shall include special inspection requirements as specified in UBC Section 106.3.5 and 1701. The architect or engineer's inspection program required by Section 106.3.5 shall be included with plan submittal documents when permit application is submitted. Notify the Building Official of testing lab hired by architect or owner prior to permit issuance date. The contractor may not hire the testing lab. 12. Structural observation shall be required as specified in UBC Section 1702. 13. Construction documents shall contain soils classification information specified in Table 18 -1 -A of the Uniform Building Code on the copies stamped and signed by Washington State licensed architect or engineer in responsible charge of the structural design work. \dre \bldglisl.doc 9/24/01 BUILDING DIVISION Pre - Application Checklist File No.: PRE01 -032 Page 2 of 2 14. Separate demolition permits are required for removal of any existing buildings or structures. 15. Addresses are assigned by the Tukwila Fire Prevention Bureau. 1-9V-16. Obtain a provals and permits from outside agencies: ELEVATORS are regulated by State Department of Labor and Industries. Permits and inspections for elevators are obtained through the elevator section of that agency (reference RCW Chapter 70.87). Phone: (206) 248 -6657. I /C ELECTRICAL PERMITS AND INSPECTIONS are obtained through the Department of Labor and Industries. Phone: (206) 248 -6630. PLUMBING PERMITS AND INSPECTIONS are obtained through Public Health — Seattle & King County. Inspections: (206) 296 -4928; Permits: (206) 296 -4932. ❑ PUBLIC POOLS /SPAS AND FOOD SERVICE FACILITIES - King County Health Department must approve and stamp plans prior to submittal to the Tukwila Building Division. Phone: (206) 296 -4787. FIRE PROTECTION SYSTEM plans are reviewed through the Tukwila Fire Department. Phone: (206) 575 -4404. 17. ` f : alif ultr (V tlHL1litdi�.� tl(d l�( �� .v.entfrefdzl1 18. 19. C'1- 4 cif/at !X Jy a C.4 2'L rc,c(/ 6, G, f�C�l '3 Checklist prepared by (staff): \dic \bt IglisI.doc 9/24/01 Date: /l,Q7zlx)/ CITY cio TUKWILA Department of Community Development Building Division - Permit Center 6300 Southcenter Boulevard, Suite 100 Tukwila, WA 98188 Phone: (206)431 -3670 Pre Application Checklist Pre - Application File No.: PRE01 -032 Meeting Date and Time: 10/04/01 2:30 pm Project Name: Site Address: Bricklayers Union Hall 15208 52 "d Ave. S. The following comments are based on a preliminary review. Additional information may be needed. Other requirements /regulations may need to be met. FIRE DEPARTMENT - Construction Information 15_q 1. The City of Tukwila .has adopted the 1997 Uniform Fire Code. This and other nationally recognized • standards will be used during construction and operation of this project. (City Ordinance No. 1846) 2. Fire hydrants will be required. (City Ordinance No. 1692) 3. Required fire hydrants shall be approved for location by the Fire Department, approved for purity by the Water Department, and fully in service prior to start of construction. By line of vehicular travel, a fire hydran must be no further than 150 feet from a structure; and no portion of a structure to be over 300 feet from fire hydrant. (Uniform Fire Code 903 and City Ordinance No. 1692) 4. Automatic fire sprinklers audible and visual devices are required for this project. Sprinkler system and fire alarm shall comply with N.F.P.A. #13, #72, and ADA requirements. Sprinkler plans shall be submitted to Washington State Surveying and Rating Bureau, Factory Mutual or Industrial Risk Insurers for approval prior to being submitted to Tukwila Fire Marshal for approval. The fire alarm plans are to be submitted directly to the Tukwila Fire Marshal for approval. Submit three (3) sets of drawings. This includes one for our file, one for company file, and one for the job site. (City Ordinance No. 1901) 5. Maximum grade is 15% for all projects. 6. An addressable fire alarm system is required for this project. (City Ordinance No. 1901). Plans shall be submitted to the Tukwila Fire Marshal for approval, prior to commencing any alarm system work. Submit three (3) sets of complete drawings. This includes one for our file, one for company file, and one for the job site. 7. Special installations of fixed extinguisher systems, fire alarm systems, dust collectors, fuel storage, etc. requirf separate plans and permits. Plans to be submitted to the Fire Marshal prior to start of installation. (City Ordinance Nos. 1900 and 1846). 8. Portable fire extinguishers will be required in finished buildings per N.F.P.A. #10 (Minimum rating 2A, 10 BC). 9. Buildings utilizing storage of high piled combustible stock will require mechanical smoke removal per Article 81 of the 1997 Uniform Fire Code. 10. During construction, an all- weather access will be required to within 150 feet of the building. (City Ordinance No. 1846) 11. No building will be occupied, by people or merchandise, prior to approval and inspection by Fire and Building Departments. 12. Adequate addressing is required. Fire Department will assign all new addresses. Number sizes will be determined by se'lback of building from roadway. Four-inch numbers are minimum. Numbers will be in color which contrasts to background. (Uniform Fire Code 901.4.4) 13. Designated fire lanes may be required for fire and emergency access. This requirement may be established a the lime of occupancy and /or after the facility is in operation. . ((.:ity Ordinance No. 1846) WI( ( \IiielisI Ioc 9/24/01 FIRE DEPARTMENT Pre - Application Checklist File No.: PRE01 -032 • • Page 2 of 2 )*1 14. Special Fire Department permits are required for such things as: storage of compressed gas, cryogen's, dry cleaning plans, repair garages, places of assembly, storage of hazardous materials, flammable or combustible liquids or solids, LPG, welding and cutting operations, spray painting, etc. (Uniform Fire Code 105) 15. Fire Department vehicle access is required to within 150' of any portion of an exterior wall of the first story. Fire Department access roads in excess of 150' require a turn around. Fire Department access roads shall be not Tess than 20' wide with an unobstructed vertical clearance of 13'6 ". (City Ordinance No. 1846) 16. Adequate fire flow availability will need to be demonstrated for this project. 17. Checklist prepared by (staff): \drdlirclist.dnc X1/7.1/111 Date: el 0) CITY ITUKWILA Department of Community Development Building Division - Permit Center 6300 Southcenter Boulevard, Suite 100 Tukwila, WA 98188 Phone: (206)431 -3670 Pre Application Checklist Pre - Application File No.: Meeting Date and Time: PRE01 -032 10/04/01 2:30 p.m. Project Name: Site Address: Bricklayers Union Hall 15208 52 "d Ave. S. The following comments are based on a preliminary review. Additional information may be needed. Other requirements /regulations may need to be met. FIRE DEPARTMENT - Inspections 1. Overhead sprinkler piping a. Hydrostatic test b. Trip test c. Alarm system monitoring test d. Fire Department approved plans e. Sprinkler head location and spacing f. Materials and test certificate 2. Underground /Aboveground tank a. b. c. d. e. f. g. h. Location Distance between tanks Distance to property line Depth of cover Vent piping, swing joints, fill piping, discharge piping Anchoring Hydrostatic test Separate Fire Department approved plans 3. Fire alarm a. Acceptance test b. Fire Department approved plans 4. Hood and duct inspections a. Installation b. Trip test 5. Spray Booth a. Location b. Fire protection c. Ventilation d. Permit 6. Flammable liquid room a. Location b. Fire protection c. Permit 7. Rack storage a. Permit c. Rack sprinklers b. d. 8. Fire doors and fire dampers a. Installation b. Drop testing 9. Fire Final a. Fire Department Access b. Building egress and occupancy load c. Hydrants d. Building address e. Fire protection systems: (1) (2) (3) (4) 10. Other a. b. c. d. e. f. Halon systems Standpipes Hose Stations Fire Doors (5) Fire Dampers (6) Fire Extinguishers Mechanical smoke removal Aisle width Checklist prepared by (staff): Date: \dre \firelisi.doc 9/24/01 CITY (*TUKWILA f j 1 Department of Community Development Building Division - Permit Center 6300 Southcenter Boulevard, Suite 100 Tukwila, WA 98188 Phone: (206)431 -3670 "Fitt_ t g, t e/iLu )-..It)( : arc) CcYLe_. NI"L tawfrc — e4 46. Pre- Application ..Checklist 6"- ( ` "4"k-6 - cc)l�f Pre - Application File No.: Meeting Date and Time: PRE01 -032 10/4/01 2:30 pm Project Name: Site Address: Bricklayers Union Hall 15208 52 "d Ave. S. The following comments are based on a preliminary review. Additional information may be needed. Other requirements /regulations may need to be met. PLANNING DIVISION - Land Use Information [K vl 1. Comply with Tukwila Municipal Code (zoning, land use, sign regulations, etc.) 2. Obtain the following land use permits /approvals: ❑ Boundary Line Adjustment /Lot Consolidation ❑ Binding Site Improvement Plan ❑ Comprehensive Plan Amendment ❑ Conditional Use Permit Design Review Design Review - Interurban tv ti «� Environmental (SEPA)" r'" 1 Ii4 (t — c� +Y- Planned Mixed Use Development i >u..'.a Planned Residential Development iE'11, 'ot ') II 11 I1 Rezone Shoreline Management Permit Tree Permit Short Subdivision Sign(s) Subdivision Unclassified Use Variance Other: 3. Zoning designation: U `,/jt,c.t- Site located in sensitive area? ivrYes n No 5Ct;ren- 14.11 ,cf fucu)c.(� 4. Mininmuni setback requirements: Front: Side: c Side: /0 ' Rear: 10 5. Maximum Building Height: 3 .sr 't C -- r�✓ 3 :, Height exception area? ❑ Yes ® No 6. Minimum parkin stalls required: Ha pdicap stalls required: c/JC_, 3 /'Coo (1 1JSCh 4,0:4,-- '-wc.. i i / 100 I it,la -On blct Lvve,- 7. No more than 30% of required parking stalls may be compact. No landscape overhangs into compact stalls are permitted, although no wheel stops prior to hitting the curb will be required. 8. Minimum landscaping required: Front: l_ Side: r Side: S' Rear: 9. Landscape plans must be stamped by a Washington State licensed landscape architect. All landscape areas require a landscape irrigation system (Utility Permit Required). 10. Roof -top mechanical units, satellite dishes and similar structures must be properly screened. Provide elevations and construction details as part of building permit application submittal. 11. Trash enclosures and storage areas must be screened to a minimum of 8' in height. Provide elevations and construction details as part of building permit application submittal. 12 Building permit plans which deviate from that already approved by the Board of Architectural Review may require re- application for design review approval. tY a )71, C�. ,,t; 1�iu..-1 Svc.(..(_ Sa�n�4 �� 3�s �Y % �' (zzei -( ull`! Date: Checklist pr (-pared by (staff): \dre \planlisl.rh 9/24/01 /0 /s /)/ ,Q. 1A) 41�C,t_ rwc.e7. L — ('lL <tC 2UJs Y/e7 •_12) 140 Ct,1�` C/ ,C /cL�:iL— GI/ ,cttC C. ,L:c,) o- t )1)4 : to,.� e e4e'.L � ee'��rLe�`r !-�t C1� 1 -w, 1v lA� r-,n� � c/ --tC t.c. /-- �c4z/t CITY (.-TUKWILA Department of Community Development Building Division - Permit Center 6300 Southcenter Boulevard, Suite 100 Tukwila, WA 98188 Phone: (206)431 -3670 Pre-Application Checklist Pre - Application File No.: Meeting Date and Time: PRE01 -032 10/4/01 2:30 pm Project Name: Bricklayers Union Hall Site Address: 15208 52 "d Ave. S. The following continents are based on a preliminary review. Additional information may be needed. Other requirements /regulations may need to be met. PUBLIC WORKS DEPARTMENT \, All applications and plan submittals must be complete in order to be accepted by the Permit Center for plan review. Use the Plan Submittal Checklist provided on the reverse of the application forms_to verify that all the necessary materials and information have been supplied. 1. Provide plans per City of Tukwila Infrastructure Design and Construction Standards, available in Public Works. 2. Apply for and obtain the following permits /approvals through the City's Permit Center: gp Channelization /SIriping/Signing Curb Cut /Access /Sidewalk Land Altering Fire loop /Hydrant (main to vault) Flood Zone Control F- lauling (2,000 Bond, Cert of Ins) Landscape Irrigation Moving an Oversized Load Sanitary Side Sewer .',00It I `+{1 ' Street Use O1�'.t )1. t r ` j cl-' n Sewer Main Extension (private) n Sewer Main Extension. (public) Storm Drainage Water Main Extension (private) Water ivtain Extension (public) Water Meter (deduct) Rt II ,,11 I Water Meter (permanent) W Q Water Meter (temporary) D (5-J GT- Water meter (water only) 1 )5 Other: 3. Provide a Land Altering Plan (grading plan) which shows existing and proposed contours at 2' intervals of elevation change. (TMC 16.54) 4. Provide separate cut and fill volumes on the permit application. 5. Site plans must be prepared by a registered civil engineer. 6. Provide a Geotechnical report prepared and stamped by a geotechnical engineer. 7. When hauling 50 cubic yards or more of soil, construction materials, or construction debris, within the City of Tukwila limits, you must obtain a Hauling Permit from Public Works. 8. Provide water /sewer availability letters. (;1+ 9. Contact King County Water and Land Resources Industrial Waste Program for a Waste Discharge Permit of approval. Provide a copy of the approval. 10. Water and sewer assessments may apply. This will be determined during the Public Works plan review process. 11. Provide erosion prevention and sediment control per the King County Surface Water Design Manual, current edition. \dre \pwlisl.doc 9/24/01 PUBLIC WORKS DEPARTMENT Pre - Application Checklist File No.: PRE01 -032 Page 2 of 2 12. Provide surface water design per the King County Surface Water Design Manual, current edition. Surface water drainage plan must be by a registered civil engineer for all projects which do not meet the Small Site Drainage Review criteria in the King County Surface Water Design Manual, current edition. 13. Provide survey using the 1929 NGVD datum and recognized benchmarks. 14. The finished floor elevation for buildings in a flood plain must be at least 1' above the 100 -year flood elevation per FIRM maps. 15. Provide a traffic analysis /trip generation study when the project will generate 5 or more additional peak hour trips. 16. The maximum allowable slope for access roads and driveways is 15 %. Commercial driveway access shall be 25 -35 feet wide. R- - - 6- feetvricie-A-fesitien is iuelsa t►st-be l for 20' frorr 4h prcy3e l+c4e. 17. Provide the following easements and maintenance agreements: Mi 18. Provide turnover documents for constructed infrastructure which the Owner will transfer to the City of Tukwila. Turnover packet enclosed. 19. Provide backflow prevention on domestic water, V fire, and /or 1/ irrigation lines. 11 r`' l,l,tf,r.,F.Ir -.1 20. Frontal improvements required include: C,14.4. /6147)re /siDEi:d9L 1 /9 SvC• STET sr L /GHH71N6 AND I'v' -J6-2 L[ A),r7E-A6/2 -0“ tlp /IYC PRA-flu/36E 21. Proportionate Fair Share Agreement required for: 22. Coriiplete enclosed Business Declaration and return to King County. (Stamped SAE provided) 23. Undergrounding ordinance 1607 and TMC 13.08 applies to this project. ALL L..tT] Li Tt es (14 . [3E Pti4 c ez Li-No eze4 QO L) A-Mb FXIST /Ado Ot). '1E&4-L i Jfl.9L4. j% P 'iT N NDEde4e49ee4N0 ,%O J6 FRoNT19be ON 5-2 No Avc S 24. Work within City right -of -way requires a street use permit. q . 5 E Additional Comment s ft� , •>,��1 lie. r '�1 I �- n tff►d y'V e, /° �% / 'O— s, va-t. /5 ppppOsod t?e,vv b a ?--o 3 ©c° frv- 52 Ave 1%4, Ait,p,v1- be., u Wadi fri,,c2Q4 01 , LJSDor 4A'5cA4 e/J to 5.D 01' $1-ew. %di Enclosures: DOG✓P' Checklist prepared by (staff): \.i„y,,,r.�. r„ ')/ 2.1/0 1 ' ;%l •5 S� -' ✓w. t4-12.-3 ss e. 00AAA,a, (5jDziA_.o&r- dvo-it,rafe, Date: l o oq / 0/ i Cizy of Tukwila • Steven M. Mullet, Mayor Department of Community Development Steve Lancaster, Director August 29, 2002 Margaret R. Newton, AIA Newton Associates Architects 12213 Densmore North Seattle, Washington 98133 Re: SEPA Determination (E02 -019) Bricklayers Union Hall & Admin. Offices 15208 52nd Avenue South, Tukwila Dear Ms. Newton: Per our August 27th letter to you, we are enclosing a refund check in the amount $325.00. This represents the application fee you submitted in connection with a SEPA application for the Bricklayers Union Hall proposal. As stated in our earlier letter, we have now determined that a SEPA application will not required for your proposal. Instead, we will amend an earlier SEPA Determination (E96 -0019) that was issued in 1996 for a similar proposal on what is now the Bricklayers Union property. This amendment process will begin after your Design Review application has been deemed to be complete. If you should have any questions, please do not hesitate to contact me at 206 - 431 -3663. Sincerely, Deborah Ritter Senior Planner Enclosure Zike 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • Phone: 206 - 431 -3670 • Fax: 206 - 431 -3665 CITY- OF ;.TUKWILA TREASURERS CHECK 6200 SOUTHCENTER;BLVD :206-433= 1,835• TU KN/�LA VNA;96188 OU :A • City of Tukwila • Steven M Mullet, Mayor Department of Community Development Steve Lancaster, Director August 27, 2002 Margaret R. Newton, AIA Newton Associates Architects 12213 Densmore North Seattle, Washington 98133 VIA FAX 206 - 364 -6498 & U.S. Mail Re: Design Reviews (L02 -039) SEPA Determination (E02 -019) Bricklayers Union Hall & Admin. Offices 15208 52nd Avenue South, Tukwila Dear Ms. Newton: We have received and reviewed your documentation for the above - referenced applications, submitted to us on August 15, 2002. Your Design Review application has been found to be incomplete. In order to continue processing your application there are additional items that must be submitted to the Department of Community Development. These items are described below. When submitting revisions, please submit four copies of all required items, at one time, to the attention of the undersigned. When submitting revisions to plan sheets, please provide four copies of the affected plan sheets, bubbled to indicate the location of each revision. One reduced copy of all revised plan sheets must also be provided at that time. Design Review Application: Please provide the following: 1. One set of high quality photo reductions reduced to 8'/2' x 11" for all plan sheets submitted. On August 15th you only submitted reductions for Sheets A -1.1, A- 1.2, A -1.3 and A -2.1. These reductions are low quality and are difficult to read. Reductions for the other plan sheets were never submitted. 2. Two sets of mailing labels for all tenants (including residents and businesses) within 500 feet of the subject lot (to date, you have only submitted mailing labels for property owners). You must submit labels for each unit in multiple - family buildings (such as apartments, condos and trailer parks). To insure accuracy, please contact the property manager of each multiple family building to confirm the correct mailing addresses for each unit. This must be done prior to submission of the missing labels. 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • Phone: 206 - 431 -3670 • Fax: 206 - 431 -3665 Margaret R. Newton, Al August 27, 2002 Page 2 • 3. At least one set of all plans shall be stamped by a licensed professional (as would normally be required in a building permit application) and have an original signature. Plan Sheet C2.0 has not been signed or stamped and Plan Sheet E0.0 has not been signed. 4. Please provide construction limit of work lines and areas of clearing, grading and filling including estimated volume and type of fill or extracted material. Please provide proposed grading contours for the site. 5. All significant trees (having 4 inch truck diameters measured at 4Y2 feet above grade) located in sensitive areas (slopes 20% or greater in gradient) are subject to TMC 18.54 Tree Regulations. In particular, you have indicated a grove of significant trees in a sensitive area located in the northeast corner of the site. Please indicate whether or not these trees will be removed. Please note: if they will be removed as the result of land altering activities, the trees in question will be subject to the tree replacement ratios provided in TMC 18.53.130(3). 6. You have not provided a Level One downstream analysis per TMC 18.54.060(D). You may wish to provide an earlier report prepared by Pacific Engineering Corporation (see Robert Foley's July 25, 2002 letter to you referencing that report). 7. You have not supplied a copy of the Phase I Environmental Site Assessment prepared by the Riley Group, Inc., dated September 28, 2001 (see your SEPA checklist, Item 7). 8. Please provide your proposal for building signage. Although sign permits will be issued administratively, the Board of Architectural Review will review your signage proposal in the context of the Design Review criteria. 9. You have submitted an Affidavit of Ownership executed by Robert W. Power. Please provide written documentation demonstrating Mr. Power's authority to execute the Affidavit on behalf of Bricklayers Beneficial Association. Please provide a fax number for Mr. P�owwer. 10. Please submit the most titlf le report for the property clearly establishing the Bricklayers Beneficial Association as property owner and showing all known easements and encumbrances. Copies of all recorded documents listed in the title report must also be provided. SEPA Application: As you know, a SEPA Determination of Non - Significance ( "DNS ") was issued on August 22, 1996 under File No. E96 -0019 for the 52nd Avenue South Office Building. The proposal was for a 22,162 square foot office building with parking for 69 cars to be Margaret R. Newton, AO August 27, 2002 Page 3 • constructed on the property now owned by the Bricklayers Union. The proposal for the 52nd Avenue South Office Building was withdrawn after issuance of the above - referenced SEPA determination. Although the 52nd Avenue South Office Building was never built, the associated SEPA DNS does not expire. If it can be determined that the existing DNS addresses all likely significant adverse environmental impacts that may occur under your new proposal, the DNS may be adopted to satisfy the requirements of SEPA. To explain the differences between the original and current proposals and to provide other minor new information, an addendum is required. That addendum would be issued by the City of Tukwila along with a notice of adoption and a new threshold determination. Based on the information provided in your SEPA checklist dated July 24, 2002 we have determined that no additional significant adverse environmental impacts will be created by your project. Accordingly, we will issue an addendum to the existing SEPA DNS along with a Notice of Adoption and a new threshold determination. Under these circumstances a new SEPA application is not required. We have begun the process to refund your application fee of $325.00, which will be returned to you under separate cover within the seven to ten business days. Additional Information: Because your Design Review application is incomplete, your application materials have not been routed to the Public Works, Fire or Building Departments. However, as a courtesy, we are providing you with additional, preliminary information. Although it is not a definitive list, it contains several substantive items you may wish to review and consider before proceeding. More specific review comments will be provided after your Design Review application is deemed to be complete and we have begun our technical review phase. 11. Your current proposal shows a different building floor plan and site circulation pattern than was presented at the October 4, 2001 pre - application meeting. Given that fact, we have informally reviewed your current proposal with Ken Nelsen, Senior Plans Examiner. He indicates that you must confirm that the route of travel to both tenant spaces on the upper level meets all ADA standards. Additionally, at least one of the two proposed handicapped parking spaces must be upgraded to meet the standards provided in TMC 18.56.080, Figure 18 -8. For questions regarding these requirements, you may contact Ken Nelsen directly at 206 - 431 -3677. 12. In 1998, the prior applicant received a permit for construction of the 52nd Avenue South Office Building under Permit D98 -0300. This permit gave approval to locate a large retaining wall along the south property line. However, this retaining wall was constructed inside the required ten -foot side setback. Margaret R. Newton, At August 27, 2002 Page 4 • Since the approval of the 1998 building permit our policies have changed. No new improvements (i.e., retaining walls over three feet in height, rockeries or similar improvements) or any structures requiring a building permit may be located within required setbacks. The bridge and associated retaining wall you have proposed at the main building entrance is located within the required 25 -foot front setback. The bridge and associated retaining walls must be relocated outside that setback as they will require a building permit. Additionally, the proposed retaining wall on the north property line is located within the required 10 -foot side setback. If this retaining wall is over three feet in height, you must relocate it outside the setback. 13. Your October 4, 2001 pre - application meeting was attended by Sound Transit. At that time you were advised that the Sound Transit Light Rail alignment would pass through your property. For your reference, we are enclosing a copy of the most current engineering plans that have been provided by Sound Transit to the City of Tukwila. These plans show the proposed location of the rail support columns on the Bricklayers Union parcel (highlighted in yellow). You may wish to contact Terry Beals, Sound Transit Permit Specialist at 206 - 398 -5237 for more information. 14. The landscape plan must be revised to include the following information (see TMC 18.52 "Landscape, Recreation, Recycling /Solid Waste Space Requirements "): a. A planting schedule shall be provided listing the following information for each plant: symbol, quantity, botanical name, common name, spacing, caliper (for all deciduous trees) and height (for all evergreen trees and all shrubs). b. Planting details for trees and shrubs. If planting on slopes, separate slope planting details shall also be provided. c. Type 1 perimeter landscaping shall be provided per TMC 18.52.020, 18.52.030(A) and (D). Type 1 landscaping requires one tree for each 30 lineal feet of perimeter (excluding curb cuts), one shrub for each 7 lineal feet of perimeter (excluding curb cuts) and living groundcover that will achieve 90% coverage within three years of installation. Please see TMC 18.52.030(D) for plant material requirements. Fifteen feet of Type 1 landscaping shall be located in the front (west) perimeter, and five feet of Type 1 landscaping shall be located along the rear (east) and side (north and south) perimeters. Margaret R. Newton, S August 27, 2002 Page 5 • Per TMC 18.52.020(B), perimeter landscaping requirements may be averaged under a Type 2 Special Permission Decision only if all of the following criteria are met: i) Plant material can be clustered to more effectively screen parking areas and blank building walls. ii) Perimeter averaging enables significant trees or existing built features to be retained. iii) Perimeter averaging is used to reduce the number of driveways and curb cuts and allow joint use of parking facilities between neighboring businesses. iv) Width of the perimeter landscaping is not reduced to the point that activities on the site become a nuisance to neighbors. v) Average does not diminish the quality of the site landscape as a whole. If, after revising your site plant, you are able to meet all of these criteria, you may wish to apply for Type 2 Special Permission approval. This separate application would then be processed in conjunction with the Design Review application. d. Outside storage areas for garbage, recycling and ground level equipment shall be appropriately screened per TMC 18.52.040(D) and (E). Elevations shall be provided. e. Stamped irrigation plans will be required as a condition of the building permit. 15. You have not provided adequate Type 1 perimeter landscaping on the north and south perimeters of the site (see Item 15(c), above). To meet this requirement along the south perimeter, you will need to provide the required five feet of Type 1 landscaping along the north side of the existing retaining wall. 16. To accommodate the required perimeter landscaping along the north and south property lines and still retain adequate parking, you will need to adjust the site circulation and parking layout. An option you may wish to consider is the use of a one -way drive aisle throughout the site. In this scenario, one -way arrows would guide the driver around the building in a U- shaped loop. The southernmost driveway would be labeled "Entrance" and the northernmost driveway would be labeled "Exit Only — Do Not Enter ". Please refer to TMC 18.56 "Off- Street Parking and Loading Regulations" for criteria and dimensions. Margaret R. Newton, AP August 27, 2002 Page 6 • 17. Fire Department regulations require that driveways do not exceed a 15% maximum gradient. Please review the slope percentages provided for the southernmost driveway on Plan Sheet C2.0. 18. A 4 -foot x 4 -foot Public Notice Board will be required on site within 14 days of the Department determining that a complete application has been received. The content of the Notice Board must comply with the information provided in the Public Information Sign attachments (enclosed). Please contact to the undersigned with the date the notice board will be available and to discuss the amount of advance notice you will need to post required items on the notice board. After your application has been determined to be complete and technical review has been completed, your documentation will be approved for submission to the Planning Commission. Once we are ready to proceed to the public hearing, we will need approximately 15 complete sets of all plan sheets and color elevations (reflecting all technical review comments). The color elevations should also reflect the proposed landscaping at one year from installation. The actual number of sets needed with be confirmed with you as the hearing date approaches. Upon receipt of the required items (1 through 10 listed above), the City will continue processing your Design Review application. The application will expire if we do not receive the requested items referenced above within 90 days of this letter's date (Le., November 25, 2002), unless an extension is granted pursuant to Section 18.104.070(E) of the Tukwila Municipal Code. If you should have any questions regarding the within, please do not hesitate to contact me at 206 - 431 -3663. Sincerely, Aeie_ Deborah Ritter Senior Planner Attachments cc: Nora Gierloff, Planning Manager • Ciiy of Tukwila Steven M. Mullet, Mayor Department of Community Development Steve Lancaster, Director MEMORANDUM TO: Laurie Anderson FROM: Deb Ritter DATE: August 27, 2002 RE: Refund of Application Fees E02 -019 (SEPA) Bricklayers Union Hall 15208 52nd Avenue South The above - referenced application was submitted in error by the applicant. The application fee totals $325 for SEPA. Per Nora Gierloff this date, please refund the $325 to the applicant. The check should be payable to Newton Associates Architects. We have attached a copy of the check receipt for your reference. 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • Phone: 206 - 431 -3670 • Fax: 206 - 431 -3665 CITY OF TUKWILA DETERMINATION OF NONSIGNIFICANCE (DNS) DESCRIPTION OF PROPOSAL: CONSTRUCT A 2 STORY OFFICE OVER 1 STORY GARAGE PROPONENT: HONG TAN LOCATION OF PROPOSAL, INCLUDING STREE.T'ADDRESS, IF ANY: ADDRESS: 15208' S2.. AV S PARCEL NO: 115720 -0010 :;EC /TW'N /RNG: LEAD AGENCY: CITY OF TUKWILA FILE NO: E96 -0019 Tire C 1 tv .has determined that the proposal doe: not have a probable significant icant adver se 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. .v :4..44 4444444. 444 .44k4kk* *.4;4.44 * *k4:44**4;i* 444* kh; 4* k: 4k*• *•*k *A4.4444'4*4•4'94 ** *•k•i•** This determination is final and signed this 22.1 day of Avcy`JA. 199 ;R.t�ve Lancaster ,,Responsible Official City of Tukwila, (2O6) 431 -3670 6300 Southcenter Boulevard Tukwila, WA 93183. Copies of the procedures for SEPA appeals are available with the Department of Community Development. MEMORANDUM TO: Project File e96 -0019, 52nd Ave., S. Building, 15208 - 52nd Ave., S. FROM: Michael Jenkins, DCD RE: SEPA review - staff evaluation of Environmental Checklist received July 26, 1996 DATE: August 22, 1996 Project Description: Site is located at 15208 - 52nd Ave., S. Project involves the demolition of an existing Single Family Home, with detached garage, and the construction of a three story commercial office building. The project includes 2 floors for office space totaling 22,162 square feet, ground floor parking totaling 9,248 square feet and parking for 69 cars. Agencies with jurisdiction: None. Comments to SEPA checklist: Pg. 3: 67% of project will be in impervious surfaces. Pg. 7, section 3(c): Runoff to be collected in catchbasins and gathered to onsite detention, with release into onsite bioswale. Pg. 8, section 4(a): 80 -90% of site vegetation to be removed with some significant trees retained. Pg. 11, section 8(c): Single family house with detached garage to be demolished. Project located in Office zone. Pg. 15, section 14: Traffic mitigation, including proportionate fair share agreement, may be required. .) SEPA review - E96 -0019 52nd Ave., S. Office Building - 15208 - 52nd Ave., S. August 22, 1996 Summary of interdepartmental comments: • PW: The applicant will need WSDOT to review and approve stormwater discharge. A permit from Puget Sound Air Pollution Control Agency (PSAPCA) will also be required. A possible fair share agreement may also be required for traffic signal upgrades, based on a review of the traffic study submitted by applicant. Grading permits may also be required. • Planning: A demolition permit for existing single family house will be required. A BLA may also be required. Review by Tukwila's Board of Architectural Review (BAR) is required. Summary of Primary Impacts: • Earth Generally, slopes are between 5 % -15 %, with some greater than or equal to 20 %. Steepest slope found is equivalent to 50 %. Soils are loose to medium density, beneath 1 to 3 feet of topsoil Site grading may occur at levels requiring export. Soils may be exposed during excavation. Approximately 67% of site to be impervious surfaces. Silt fencing on downhill slope, along with rocked site entrance, will be used for erosion control. Development must comply with TMC section 18.45, Sensitive Areas Overlay. • Air Dust and exhaust emissions will occur during construction, with increases in exhaust emissions expected as a result of project. Auto emissions already present, as project is adjacent to Interstate Highway. Site will be watered during excavation and mud and dust from trucks will be controlled to minimize effect on paved streets. A permit from PSAPCA may be required for demolition of existing single family house and detached garage. • Water No surface or ground water on site. Stormwater runoff from parking areas will be collected in catchbasins and rooftop runoff from downspouts. Runoff collected to onsite detention and released to onsite bioswale. Project must comply with WSDOT requirements concerning surfacewater discharge. • Plants Deciduous and evergreen trees and shrubs are found at project. 80 -90% of site vegetation to be removed, with some significant trees at property edge to be retained. Project must comply with TMC section 18.54 concerning tree replacement, as well as with specific requirements in TMC section 18.45. 2 SEPA review - E96 -0019 52nd Ave., S. Office Building - 15208 - 52nd Ave., S. August 22, 1996 • Animals Site provides no known habitat for mammals or birds. No known candidate or endangered species found on site. • Energy /Natural Resources Electricity is needed to run HVAC systems and lighting. Applicant will meet state energy code requirements. • Environmental Health No known health hazards are associated with this project. Freeway noise generated adjacent to site. Construction noise to last approximately 6 months. Project must comply with Tukwila Noise Ordinance, TMC section 8.22. • Land /Shoreline Use Site is a parcel with a vacant single family house, zoned Office. Properties immediately south of the project are zoned Regional Commercial Mixed -Use (RCM). The single family house and detached garage will be demolished, after obtaining permits from the Department of Community Development and PSAPCA. Portions of the site are classified as environmentally sensitive, requiring compliance with TMC section 18.45. • Housing One vacant single family house with detached garage will be demolished. • Aesthetics 35 feet from grade to the top of the structure is the maximum height allowed. Development request will be reviewed before Tukwila's Board of Architectural Review, per TMC 18.18.070. • Light and Glare Headlight glare from adjacent freeway. On site security lighting will be included. • Recreation No known impacts. • Historic /Cultural Preservation No known places, landmarks or objects. 3 SEPA review - E96 -0019 52nd Ave., S. Office Building - 15208 - 52nd Ave., S. August 22, 1996 • Transportation • Project is located approximately 500 feet from Interstate Highway offramp, near the intersection of 52nd Ave., S. and S. 154th St. Project includes the elimination of 2 parking spaces near vacant house and the creation of 69 spaces in conjunction with project. New sidewalk and street curbing to be included, to match existing conditions of neighboring lots. Approximately 200 trips per day to be generated, with peak volume of 30 trips between 4:00 - 6:00 p.m. Applicant submitted traffic study, reviewed by Public Works. Traffic mitigation, including proportionate fair share agreements, may be required at the time of submittal for Building Permits. • Public Services No known impact, as the equipment is alarmed and 24 -hour monitoring equipment is included for additional security. • Utilities Electricity and telephone services will be extended through existing service provided to the apartment complex. A separate meter will be established for the project. Recommendations: DNS a: \SEPA \e96 -0027 4 City of Tukwila 6300 Southcenter BL, Suite 100 / Tukwila, WA 98188 / (206) 431 -3670 RECEIPT Parcel No.: 1157200010 Permit Number: E02 -019 Address: 15208 52 AV S TUKW Status: PENDING Suite No: Applied Date: 08/15/2002 Applicant: MARGARET NEWTON Issue Date: Receipt No.: R020001188 Payment Amount: 325.00 Initials: NG Payment Date: 08/15/2002 02:36 PM User ID: 1141 Balance: $0.00 Payee: TRANSACTION LIST: Amount Type Method Description Payment Check 4126 325.00 ACCOUNT ITEM LIST: Description Account Code Current Pmts SEPA 000/345.831 325.00 Total: 325.00 doc: Receipt Printed: 08-15 -2002 COMPLETE APPLICATION CHECKLIST The materials listed below must be submitted with your application unless specifically waived in writing by the Public Works Department and the Department of Community Development. Please contact the Department if you feel that certain items are not applicable to your project and should be waived, or should be submitted in a later timely manner for use at the Public Hearing (e.g., revised colored renderings). Application review will not begin until it is determined to be complete. ADDITIONAL MATERIALS MAY BE REQUIRED, TO ENSURE CONSISTENCY WITH CITY DEVELOPMENT STANDARDS. Department staff are available to answer questions about application materials at 206 -431 -3670 Department of Community Development and 206 -433 -0179 Department of Public Works. COMPLETE APPLICATION CHECKLIST TABLE Information Required. 'Maybe waived in:urrusual ' cases, upon approval of both Public Works and Planning : • 2 • - . = . ' ; :.; :.: Information Waived. P. b Wk /Ping Office•UseOnly Comments & Conditions: APPLICATION FORMS: 1. Application Checklist: one (1) copy, indicating items submitted with application. 2. Four (4) copies of supporting studies with original signatures and license stamp as needed. 3. Complete Application Packet: Six (6) copies of application form and full sized plans, one set of all plans reduced to 8.5" by 11" (High Quality Photo Reduction) and other materials and information as specifically listed in Project Description and Analysis, Site Plans, Landscape Plan and Elevations. 4. SEPA Environmental Checklist (6 copies) and fee ($325). PUBLIC NOTICE MATERIALS: 5. King County Assessor's map(s) which shows the location of each property within 500 feet of the subject lot. SUBMIT ONLY IF UNDERLYING PERMIT REQUIRES PUBLIC NOTICE. 6. Two (2) sets of mailing labels for all property owners and tenants (residents and businesses) within 500 feet of the subject property. See Public Notice Materials. Note: Each unit in multiple-family buildings -e.g. apartments, condos, trailer parks must be included). SUBMIT ONLY IF UNDERLYING PERMIT REQUIRES PUBLIC NOTICE. A 4' x 4' Public Notice Board will be required on site within 14 days of the Department determining that a complete application has been received. PROPERTY INFORMATION 7. Vicinity Map with site location. 8. Surrounding Land Use Map for all existing land uses within a 1,000 foot radius from the lot's property lines. ' 9. Title Report -- Clearly establish status as legal lot(s) of record, ownership, all known easements and encumbrances. 10. Lot lines for 300 ft. from the site's property lines including right -of -ways. G: W'PHANU.ANDUSB.APP\SEPAAPP.DOC. 06/16/00 CITY OF TUKWILA Department of Community Development 6300 Southcenter Boulevard Tukwila, WA 98188 Telephone: (206) 431 -3670 FAX (206) 431 -3665 E -mail: tukplan tt,ci.tukwila.wa.us SEPA ENVIRONMENTAL REVIEW APPLICATION FOR STAFF USE ONLY SIERRA TYPE P-SEPA Planner: -jam„ .b .Rc- 1 -� File Number: E 0 . _0 / G 1 (Date: Application ) Project File Number: �i col— 032 Application Incomplete (Date: ) Other File Numbers: L Q _ 0 3 i NAME OF PROJECT/DEVELOPMENT: 1, r ck-Za.t.`.ev s U iA ►ovt Me e* l iNA ` P t MA . vi D1 - i U-4 Cc i cie LOCATION OF PROJECT/DEVELOPMENT: (Give street address or, if vacant, indicate tot(s), block and subdivision, access street, and nearest intersection. LIST ALL 10 DIGIT PARCEL NUMBERS. l5 20� 5 2 my 1v.e for 4 #li, 2D - cx)lO —O Quarter: Slti) Section: 23 Township: 23 Range: 4 (This information may be found on your tax statement) DEVELOPMENT COORDINATOR : The individual who: • has decision making authority on behalf of the applicant in meetings with City staff, • has full responsibility for identifying and satisfying all relevant and sometimes overlapping development standards, and • is the primary contact with the City, to whom all notices and reports will be sent. Name: k A.YGtGLY E + `N ` T- eup V\ , A 1 Ar 1 Address: 1 2.2.12 ��2�t.�Vl t DYt°_ 00 V •eiZe 1 `e Ii (A) A Phone: %.d(D - 3[� �j PbO t_p FAX: Z 9(O • 3 Cp 4 • 60 4 ova GA APPHANILANDUSE.APP\SEPAAPP.DOC, 06/16/00 Date: Q •I4.oz • STATE ENVIRONMENTAL CHECKLIST Please respond to all questions. Use separate sheets as necessary. Applicant Responses: A. BACKGROUND 1. Name of proposed project, if applicable: RECEIVED AUG 15ann) COMMJ,,., DEVELOPMENT 13 vick.1aev oti t\ a1,‘ 4- ;ce 2. Name of Applicant: P.�r;c� oj1ev , VI ;C ►a.� A ao�;a ► on 3. Date checklist prepared: J �l t1 2 4 , eco2 4. Agency requesting checklist: City of Tukwila 5. Proposed timing or schedule (including phasing, if applicable): 6. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. No Agency Comments 7. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. I e'Lto7ec AAA;, coA �� iVA. eev it �l t 4e01-� com I �a.wh, 1.VtG ` tv� Ao c 19% —p1 •C vo►n.umew f s•esswt'eu.r 8. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? If yes, explain. `(Le pro ()Lev 14 lr . w 1 ■SA Tu \I-.4.0.A. 'fr - e.ewa.i roo \A4' Va\ gro ee* e royios.c.1 6 /1 ePOuVI •d a A.F;∎ - 1• t►a� ? ,ems ctn.er, - coYeuxt.vc vt.� `T ritA P2 k- IA./Lc-7 Sa; a wo 01,x. e v v ryas, -c T vof ceA,i'1 -\ 00-y -r toi\e.k ‘v vas woo 11 c. G :WPPHAMLANDUSE.APP\SEPAAPP.DOC. 06/16/00 1 • 1 Please respond to all questions. Use separate sheets as necessary. Applicant Responses: 9. List any government approvals or permits that will be needed for your proposal. olti P4V LU', �- 10. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. There are several questions later in this checklist that ask you to describe certain aspects of your proposal. You do not need to repeat those answers on this page. Agency Comments 11. Location of the proposal. Give sufficient information for a person to understand the precise location of your proposed project, including a street address, if any, the tax lot number, and section, township, and range. If a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic map, if reasonably available. While you should submit any plans required by the agency, you are not required to duplicate maps or detailed plans submitted with any permit applications related to this checklist. 02- on Frey so us 6nec1c, 1 pf?- 12. Does the proposal lie within an area designated on the City's Comprehensive Land Use Policy Plan Map as environmentally sensitive? Sew i't`s V.2" N 1• G: V,PPHAMLANDUSE.APP\SEPAAPP.DOC, 06/16/00 2 Please respond to all questions. Use separate sheets as necessary. Applicant Responses: B. ENVIRONMENTAL ELEMENTS I. Earth a. General description of the site (circle one): Flat, rolling, hilly, steep slopes, mountainous, other: ' ?re,u% ou .pl,t1 s old w►', -k (!-LP Agency Comments b. What is the steepest slope on the site (approximate percent slope)? 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. d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. Stye .. e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. G:W PPHAN\L.ANDUSE.APPISEPAAPP.DOC, 06/16/00 3 Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 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)? covad .ea_ uJ J , CU5 SuY�r.�.C�P h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: 2. Air a. What types of emissions to the air would result from the proposal (for example, dust, automobile odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally describe. G: \APPHAN\LANDUSE.APP\SEPAAPP.DOC, 06/16/00 • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments c. Proposed measures to reduce or control emissions or other impacts to air, if any: ,pr-e.v■00'p L\ ci01014A't4I'- CCA.•ttA.,v(. I:A 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. 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. t. 1. 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. G :WPPHAMLANDUSE.APP\SEPAAPP.DOC, 06 /16/00 5 • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 4. Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities, i1f known. 1 1 5. Does the proposal lie within a 100 -year floodplain? If so, note location on the site plan. ■ 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. b. Ground: 1. Will ground water,be withdrawn, or will water be discharged to ground water? Give general description, purpose, and approximate quantities, if known. G: \APPHAN\LANDUSE.APPISEPAAPP.DOC, 06 /16/00 6 • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 2. Describe waste materials that will be discharged into the ground from septic tanks or other sources, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural; etc). Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve: See eteVioUSb1"..3 rule IAA.; c(Aa V.cco� 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? Will this water flow into other waters? If so, describe. v. 11 1J_o1 --e-: �- tekec,,..., -►rnn ` 4,W-( IO'e'eA Crn,cco l eY I UG1-ed . ?Voti)Mte- 9Yoheck ivlk-‘-e►,td use 2. Could waste materials enter ground or surface waters? If so, generally describe. Seke_ it 1. s. d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: -a•t v4+- W cif. \-eL6 i_o\n -7lle-v &J A log 0 Ulati CAA swctiVIZ G :WPPHAMLANDUSE.APP\SEPAAPP.DOC, 06/16/00 Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 4. Plants a. Check or circle types of vegetation found on the site: b. What kind and amount of vegetation will be removed or altered? I L clra tis a,c tr1 to,ee,1s ,� yt , vNzl. � 04h Irocz -� vale/ s� k Lk) ■ l� 1 e Y`e -Eati gk. (I.1,� 5 �V► . (ri c r�,�� �e�i�•a. - 19,t,V ivu —F� 6T c. List threatened or endangered species known to be on or near the site. r -7.e.e �r�ev;ou� 1.cTh S LAo vt4 ' ctcd LCn.w.teA d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: G :\APPHAMLANDUSE.APP\SEPAAPP.DGC, 06/16/00 8 Deciduous tree: : Ider maple aspen, other Evergreen tree: fi cedar pine, other Shrubs i/ Grass Pasture Crop or grain Wet soil plants: cattail, buttercup, bulrush, skunk cabbage, other Water plants: water lily, eelgrass, milfoil, other Other types of vegetation b. What kind and amount of vegetation will be removed or altered? I L clra tis a,c tr1 to,ee,1s ,� yt , vNzl. � 04h Irocz -� vale/ s� k Lk) ■ l� 1 e Y`e -Eati gk. (I.1,� 5 �V► . (ri c r�,�� �e�i�•a. - 19,t,V ivu —F� 6T c. List threatened or endangered species known to be on or near the site. r -7.e.e �r�ev;ou� 1.cTh S LAo vt4 ' ctcd LCn.w.teA d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: G :\APPHAMLANDUSE.APP\SEPAAPP.DGC, 06/16/00 8 • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: 5. Animals a. Circle any birds or animals which have been observed on or near the site or are known to be on or near the site: Birds: Mammals Fish Other Hawk, heron, eagle,Gngbirds, other: Deer, bear, elk, beaver, other: Bass, salmon, trout, herring, shellfish, other: b. List any threatened or endangered species known to be on or near the site. ,eye 9r•et,:605L sole t c. Is the site part of a migration route? If so, explain. d. Proposed measures to preserve or enhance wildlife, if any: •, 1• f 6. Energy and Natural Resources a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. i-A 14-rz,hn I G :WPPHAMLANDUSE.APP\SEPAAPP.DOC, 06/16/00 9 Agency Comments Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. �v.eu:oorc1 5v1owt.; cke lc, 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: S 1e �e • 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. 14 1. Describe special emergency services that might be required. 2. Proposed measures to reduce or control environmental health hazards, if any: G :WPPHAN\LANDUSE.APP\SEPAAPP.DOC, 06/16/00 10 • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments b. Noise 1. What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? Se< evue,ui100yL1 Qivtout t 4 c & r ,.w- 2. What types and levels of noise would be created by or associated with the project on a short-term or long -term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would come from the site. 3. Proposed measures to reduce or control noise impacts, if any: Ze -e Ir, .. 11 8. Land and Shoreline Use a. What is the current use of the site and adjacent properties? � ► T V A T' A`A0cuc`e wt vc r G•e b. Has the site been used for agriculture? If so, describe. "ee V�v- ex iocy‘L, c-4,01ow+; 61ec ci,ve l4P G: WPPHAN\LANDUSE.APP\SEPAAPP.DOC, 06/16/00 11 Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments c. Describe any structures on the site. t • r - -4- uG( 1AO t,tQ.)--- \--,k1 D c: S w ce,Ve d. Will any structures be demolished? If so, what? No e. What is the current zoning classification of the site? FF ce- 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? h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify. It G:W PPHAN\LANDUSE.APPI.SEPAAPP.DOC, 06/16/00 12 Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments j• Approximately . how many people would roc or work in the completed project? Mov► cog a cte ev Wt .711vV.s alt. /5 LOGY' 11.,WAPS c'-e L-ecas,e icy_ c- < 2o ( ‘,0 (27_4c s F loo r7P /p44,sotn> // '2 P WoY' ItAest''S Approximately how many people would the completed project displace? Mevn.e_ k. Proposed measures to avoid or reduce displacement impacts, if any: 1. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: ore•e- pv'eV ►oc»Li u\ottt ikel dwerlateck �j D� e : ► '� Litti L ; c‘VIA- - ra ;1 rvoo eet vu.av,e4) PA to '1 9. Housing a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low- income housing? , r f 4ae•e Y �P�V d tKs o to �,i t � GL¢U21.Nt. G: APPHAN\LANDUSE.APP\SEPAAPP.DOC, 06/16/00 13 Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low - income housing. c. Proposed measures to reduce or control housing impacts, if any: 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? p,y.,; uA..0 iv ;1,1t L v.i \n ke t ck 14 } v, 3` al, yniS I�cx?�► � A b. What views in the immediate vicinity would �_"be altered or obstructed? c. Proposed measures to reduce or control aesthetic impacts, if any: f• I • 1 G: APPHANU.ANDUSE.APP\SEPAAPP.DOC, 06/16/00 14 • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 11. Light and Glare a. What type of light or glare will the proposal produce? What time of day would it mainly occur? ► d,r ?AA/ tc. to 4 1;11.x\ -;vt9 -We-LA. Wei I, 5 ,olt 1nn�e�e'G�nr> �u-t� 5 ,�,,� ��•e. , y'v ?kA_ Inouye i ti iw Le/t, 1,1,1m44-et-5 b. Could light or glare from the finished project be a safety hazard or interfere with views? ND c. What existing off -site sources of light or glare may affect your proposal? S•e-e Vlovce. vlo c.C�� d. Proposed measures to reduce or control light and glare impacts, if any: iPaAek. i IAc 1� t L �t- 46'6u.LA 6.14› I/1 O-1-L- 10-e toVl it AV LUG iuAikA L4 l �c, L< - vas o � k- ? yr pc.e,u 1.; ALe avr,e down - \A- F- \--102,e 12. Recreation a. What designed and informal recreational opportunities are in the immediate vicinity? G: \APPHAMLANDUSE.APP\SEPAAPP.DOC, 06/16/00 15 • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments b. Would the proposed project displace any existing recreational uses? If so, describe. r7 G� V GC1 i d oat, S v vJ 144 % at_c_e kg.,( c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: It 13. Historic and Cultural Preservation a. Are there any places or objects listed on, or proposed for, National, State, or Local preservation registers known to be on or next to the site? If so, generally describe. 1. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. • 1• •e.e c. Proposed measures to reduce or control impacts, if any: G:WPPHAN LANDUSE.APP\SEPAAPP.DOC, 06/16/00 16 • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments 14. Transportation a. Identify public streets and highways serving the site, and describe proposed access to the existing street system. Show on site plans, if any. v t o ' \o vi,t ' ► \-2 fk_au b. Is the site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? • .• c. How many parking spaces would the completed project have? How many would the project eliminate? .e 3r. . - A o 1 e- L ,u t v tAiLe -c, 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). e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. c Tv`�e ���n,� - YGc11 f ro eG�' UAW hA't` -Va, cam? 14A 4att C UTY** €AA- Q,1 iGV1 wt.,-eui' ►(`� �i ,-K W u 1n sto Y1 `�1P.t9 0 ► 1.1-& �(}!c G (\,■ Lo ki,ru , `� o v `e_ 4i L D o l A. to G:\ APPHAN\LANDUSE.APP\SEPAAPP.DOC, 06/16/00 17 Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. a ‘A-a.4 eA „ T■rrt.c(, c. 1IAA fazirs _ cic. 'Pro poseA Pw ee•�- g. Proposed measures to reduce or cow-transportation impacts, if any: - Yttv;d,� 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. S�ee rye.U►Co5 b. Proposed measures to reduce or control direct impacts on public services, if any. s,e 16. Utilities a. Circle utilities currently available at the site: system other: septic G: W'PHAN%LANDUSE.APPISEPAAPP.DOC, 06/16/00 18 • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: 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. c tv-v k Co-' - 'ea. -*-e G; �-, Uc..1\A, E T IAAtti►,e US u g•ewav - V&A V u-e u.9a, - 1!) a.\-c t. A 1Y i-c.A \ 25 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: .---74/1Ltrila- A-1,4 Date Submitted: (NON- PROJECT PROPOSALS (E.G., SUBURBAN PLANS AND ZONING CODE TEXT CHANGES) MUST COMPLETE THE FOLLOWING PAGES). G. APPHAMLANDUSE.APP\SEPAAPP.DOC, 06/16/00 19 Agency Comments • • BRICKLAYERS UNION HALL & ADMINISTRATIVE OFFICES Traffic Impacts of Proposed Proiect Union Administrative Office: There will be a maximum of eight people working in this office. All eight will arrive at approximately 8:00 AM. Five are field agents and may come and go from the site an average of one additional trip each day. All eight will leave at approximately 5:00 PM. There are only occasional visitors to the office. Therefore an estimate of vehicle trips per day is approximately 15. Office Lease Space: 2,240 square feet of office space. Using the occupant load factor of 100 sf/person from the UBC, as many as 22 people could potentially work in this space. Thus a worst -case estimate of vehicle trips per day is approximately 22. Union Meeting Hall: The union meets once a month during evening hours. Average meetings involve 25 to 30 members. Annual meetings are attended by approximately 125 members. Occasionally the hall will be rented for other functions. Examples of anticipated uses are banquets, receptions, lectures and seminars. It is anticipated that this will occur a maximum of one time per week -and would occur mostly during non -peak hours and weekends. Again, using the occupant load factor of 15 sf/person and a meeting hall area of 1,338 sf, the maximum capacity of the hall is 89 people. Therefore a worst -case estimate of vehicle trips for any event would be 89. • • Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Agency Comments D. SUPPLEMENTAL SHEET FOR NON - PROJECT PROPOSALS (do not use this sheet for project actions) Because these questions are very general, it may be helpful to read them in conjunction with the list of elements of the environment. When answering these questions, be aware of the extent the proposal, or the types of activities likely to result from the proposal, would affect the item at a greater intensity or at a faster rate than if the proposal were not implemented. Respond briefly and in general terms. 1. How would the proposals be likely to increase discharge to water; emissions to air; production, storage, or release of toxic or hazardous substances; or production of noise? Proposed measures to avoid or reduce such increases are: 2. How would the proposal be likely to affect plants, animals, fish, or marine life? Proposed measures to protect or conserve plants, animals, fish, or marine life are: G: \APPHAN\LANDUSE.APP \SEPAAPP.DOC, 06 /16/00 20 • 1 Please respond to all questions. Use separate sheets as necessary. Applicant Responses: 3. How would the proposal be likely to deplete energy or natural resources? Proposed measures to protect or conserve energy and natural resources are: 4. How would the proposal be likely to use or affect environmentally sensitive areas or areas designated (or eligible or under study) for governmental protection; such as parks, wilderness, wild and scenic rivers, threatened or endangered species habitats, historic or cultural sites, wetlands, floodplains, or prime farmlands? Proposed measures to protect such resources or to avoid or reduce impacts are: 5. How would the proposal be likely to affect land and shoreline use, including whether it would allow or encourage land or shoreline uses incompatible with existing plans? G: \APPHAMLANDUSE.APP■SEPAAPP.DOC, 06/16/00 21 Agency Comments Please respond to all questions. Use separate sheets as necessary. Applicant Responses: Proposed measures to avoid or reduce shoreline and land use impacts are: 6. How would the proposal be likely to increase demands on transportation or public service and utilities? Proposed measures to reduce or respond to such demand(s) are: 7. Identify, if possible, whether the proposal may conflict with Local, State, or Federal laws or requirements for the protection of the environment. • . G:\ APPHAN \L.ANDUSE.APP\SEPAAPP.DOC, 06/16/00 22 City of Tuta ESA Screening Checklist Date: City of Tukwila Endangered Species Act Screening Checklist Applicant Name: 5 rick \& re , --faelA,ecz c leLA A' c a)Vioin Street Address: (0314 ' ` �Ve City, State, Zip: 1-e. , WA `I bio 8 Telephone: 2o(D - �} (1'2 /p DIRECTIONS This Screening Checklist has been designed to evaluate the potential for your project to result in potential "take" of chinook salmon, coho salmon, or cutthroat trout as defined by Section 9 of the Endangered Species Act. The checklist includes a series of "Yes" or "No" questions about your project, organized into four parts. Starting with Part A on Page 1, read each question carefully, circle "Yes" or "No," and proceed to the next question as directed by the checklist. To answer these questions, you may need to refer to site plans, grading and drainage plans, critical areas studies, or other documents you have prepared for your project. The City will evaluate your responses to determine if "take" is indicated. January 25, 2001 1 City of Tuk a ESA Screening Checklist Part A: Please review and answer each question carefully. Consider all phases of your project including, but not limited to, construction, normal operation, potential emergency operation, and ongoing and scheduled maintenance. Continue to the next question as directed for each No or Yes answer. 1 -0 Will the project require any form of grading? Grading is defined as any excavating, filling, clearing, or creation of impervious surface, or any combination thereof, which alters the existing ground surface of the earth (see Tukwila Municipal Code (TMC) Chapter 18.06, Zoning Code, Page 18 -11). Please circle appropriate response. N • - Continue to Question 2 -0 CP- Continue to Question 1 -1 (Page 3) 2 -0 Will the project require any form of clearing? Clearing means the removal or causing to be removed, through either direct or indirect actions, any vegetation from a site (see Chapter 18.06, Page 18 -8). Please circle appropriate response. NO - Continue to Question 3 -0 02'Av. wo..g `}° Z-,cl -eaw i ro knctV4 preus+ °vs fro C l-eav i v►ci w: t, b 4 (-YE� Continue to Question 2 -1 (Page 4) gvulc .k We --c, ` tz -- Lu _1 1, vuovt. \A 3 -0 Will the project require work, during any time of the project, below the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers or in wetlands? Ordinary high water mark is the mark that is found by examining the bed and banks of a stream and ascertaining where the presence and action of waters are so common and usual as to distinctly mark the soil from that of the abutting upland, in respect to vegetation (see TMC Chapter 18.06, Page 18 -15). Please circle appropriate response. NO Continue to Question 4 -0 YES - Continue to Question 3 -1 (Page 5) 4-0 Will the project result in the processing or handling, storage, or treatment of hazardous substances? This does not include the proper use of fuel stored in a vehicle's fuel tank. Hazardous substances are any liquid, solid, gas, or sludge, including any material, substance, product, commodity, or waste, regardless of quantity, that exhibits the characteristics or criteria of hazardous waste as defined by Washington Administrative Code 173 -303 (see TMC Chapter 18.06, Tukwila Zoning Code, Page 18 -11). This includes fuel or other chemicals stored on -site during construction. Please circle appropriate response. NO - Continue to Question 5 -0 YES - Continue to Question 5 -0 5 -0 Will the project result in the withdrawal, injection, or interception of groundwater? Examples of projects that may affect groundwater include, but are not limited to: construction of a new well, change in water withdrawals from an existing well, projects involving prolonged construction dewatering, projects installing French drains or interceptor trenches, and sewer lines. For the purpose of this analysis, projects that require a geotechnical report pursuant to th re re equirements of TMC 18.45.060 and 18.45.080E.4, or would require a geotechnical report if not exempt under TMC 18.45.080A, should answer Yes. Please circle appropriate response. O - Continue to Question 6 -0 c___N___. YES - Continue to Question 6 -0 January 25, 2001 2 City of TuSa ESA Screening Checklist Part A (continued) 6 -0 Will the project involve landscaping or re- occurring outdoor maintenance that includes the regular use of fertilizers, pesticides, or herbicides? This does not include the one -time use of transplant fertilizers. Landscaping means natural vegetation such as trees, shrubs, groundcover, and other landscape materials arranged in a manner to produce an aesthetic effect appropriate for the use of the land (see TMC Chapter 18.06, Tukwila Zoning Code, Page 18- 13). For the purpose of this analysis, this includes the establishment of new lawn or grass. Please circle appropriate response. NO — Checklist Complete Checklist Complete Part B: Please answer each question below for projects that include grading. Review each question carefully, considering all phases of your project including, but not limited to construction, normal operation, potential emergency operation, and ongoing and scheduled maintenance. Continue to the next question as directed for each No or Yes answer. 1 -1 Will the project involve the modification of a watercourse bank or bank of the Green/Duwamish or Black Rivers between the ordinary high water mark and top of bank? This includes any projects that will require grading on any slope leading to a river or stream, but will not require work below the ordinary high water mark. Work below the ordinary high water mark is covered in Part C. Please circle appropriate response. - Continue to Question 1 -2 YES - Continue to Question 1 -2 1 -2 Could the construction, operation, or maintenance of the project result in sediment transport off site or increased rates of erosion and/or sedimentation in watercourses, the Green/Duwamish rivers, or the Black River? Most projects that involve grading have the potential to result in increased erosion and/or sedimentation as a result of disturbances to the soil or earth. If your project involves grading and you have not prepared a Temporary Erosion and Sedimentation Control Plan specifically designed to retain 100 percent of the runoff (including during construction) from impervious surface or disturbed soils, answer Yes to this question. If your project is normally exempt under the Tukwila Municipal Code and would not require the preparation of a Temporary Erosion and Sedimentation Control Plan, BUT may still result in erosion or sediment transport off site or beyond the work area, answer Yes to this question. Please circle appropriate response. Continue to Question 1 -3 YES - Continue to Question 1 -3 1 -3 Will the project result in the construction of new impervious surfaces? Impervious surfaces include those hard surfaces which prevent or restrict the entry of water into the soil in the manner that such water entered the soils under natural conditions prior to development; or a hard surface area that causes water to run off the surface in greater quantity or at an increased rate of flow from the flow presented under natural conditions prior to development (see TMC Chapter 18.06, Tukwila Zoning Code, Page 18 -12). Such areas include, but are not limited to, rooftops, asphalt or concrete paving, compacted surfaces, or other surfaces that similarly affect the natural infiltration or runoff patterns existing prior to development. Please circle appropriate response. NQ - Continue to Question 2 -0 (Page 2) YES - Continue to Question 1 -4 January 25, 2001 City of Tuba ESA Screening Checklist Part B (continued) 1 -4 Will your project generate stormwater from the creation of impervious surfaces that will not be infiltrated on site? For the purpose of this analysis, infiltration includes the use of a stormwater treatment and management system intended to contain all stormwater on site by allowing it to seep into pervious surface or through other means to be introduced into the ground. If your project involves the construction of impervious surface and does not include the design of a stormwater management system specifically designed to infiltrate stormwater, answer Yes to this question. Please circle appropriate response. Continue to Question 2 -0 (Page 2) S - Continue to Question 2 -0 (Page 2) Part C: Please review each question below for projects that include clearing. Review each question carefully, considering all phases of your project including, but not limited to construction, normal operation, potential emergency operation, and ongoing and scheduled maintenance. Continue to the next question as directed for each No or Yes answer. 2 -1 Will the project involve clearing within 200 feet of the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? Please circle appropriate response. NO Continue to Question 3 -0 (Page 2) YES - Continue to Question 2 -2 2 -2 Will the project involve clearing of any trees within 200 feet of the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? A tree is defined by TMC 18.06.845 as any self - supporting woody plant, characterized by one main trunk, with a potential diameter - breast - height of 2 inches or more and potential minimum height of 10 feet. Please circle appropriate response. NO - Continue to Question 2 -3 YES - Continue to Question 2 -3 2 -3 Will the project involve clearing of any evergreen trees from within 200 feet of the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? For the purpose of this analysis evergreen means any tree that does not regularly lose all its leaves or needles in the fall. Please circle appropriate response. NO - Continue to Question 2 -4 YES - Continue to Question 2 -4 2 -4 Will the project involve clearing within 100 feet of the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? Please circle appropriate response. NO - Continue to Question 3 -0 (Page 1) YES - Continue to Question 2 -5 2 -5 Will the project involve clearing within 40 feet of the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? Please circle appropriate response. NO - Continue to Question 3 -0 (Page 2) YES - Continue to Question 3 -0 (Page 2) January 25, 2001 4 City of Tua ESA Screening Checklist Part D: Please review each question below for projects that include work below the ordinary high water mark of watercourses or the Duwamish /Green or Black Rivers or in wetlands. Review each question carefully, considering all phases of your project including, but not limited to, construction, normal operation, potential emergency operation, and ongoing and scheduled maintenance. Continue to the next question as directed for each No or Yes answer. 3 -1 Will the project involve the direct alteration of the channel or bed of a watercourse, the Green/Duwamish rivers, or Black River? For the purpose of this analysis, channel means the area between the ordinary high water mark of both banks of a stream, and bed means the stream bottom substrates, typically within the normal wetted -width of a stream. This includes both temporary and permanent modifications. Please circle appropriate response. NO - Continue to Question 3 -2 YES - Continue to Question 3 -2 3 -2 Will the project involve any physical alteration to a watercourse or wetland connected to the Green/Duwamish River? For the purpose of this analysis, "connected to the river means" flowing into via a surface connection or culvert, or having other physical characteristics that allow for access by salmonids. This includes impacts to areas such as sloughs, side channels, remnant oxbows, ditches formed from channelized portions of natural watercourses or any area that may provide off channel rearing habitat for juvenile fish from the Duwamish River. This includes both temporary construction alterations and permanent modifications. Watercourses or wetlands draining to the Green/Duwamish River that have a hanging culvert, culvert with a flap gate, diversion, or any entirely man -made or artificial structure that precludes fish access should answer Yes to this question. Please circle appropriate response. NO - Continue to Question 3 -3 YES - Continue to Question 3 -3 3 -3 Will the project result in the construction of a new structure or hydraulic condition that could be a barrier to salmonid passage within the watercourse or the Green/Duwamish or Black Rivers? For the purpose of this analysis, a barrier means any artificial or human modified structure or hydraulic condition that inhibits the natural upstream or downstream movement of salmonids, including both juveniles and adults. Please circle appropriate response. NO - Continue to Question 3 -4 YES - Continue to Question 3 -4 3 -4 Will the project involve a temporary or permanent change in the cross - sectional area of a watercourse or the Green/Duwamish or Black Rivers? For the purpose of this analysis, the cross - sectional area is defined as a profile taken from the ordinary high water mark on the right bank to the ordinary high water mark on the left bank. Please circle appropriate response. NO - Continue to Question 3 -5 YES - Continue to Question 3 -5 3 -5 Will the project require the removal of debris from within the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? For the purpose of this analysis, debris includes, but is not limited to fallen trees, logs, shrubs, rocks, piles, rip -rap, submerged metal, and broken concrete or other building materials. Projects that would require debris removal from a watercourse or the Green/Duwamish or Black Rivers as part of a maintenance activity should answer Yes to this question. Please circle appropriate response. NO - Continue to Question 3 -6 YES - Continue to Question 3 -6 January 25, 200/ 5 City of Tuna ESA Screening Checklist Part D (continued) 3 -6 Will the project result in impacts to watercourses or wetlands that have a surface connection to another watercourse or the Green/Duwamish or Black Rivers but do not contain habitat conditions that support salmonid use? Such areas may include, but not be limited to hillside seeps and wetlands isolated from the watercourse or river that have a surface water connection to the watercourse or river but are not assessable, nor would be assessable to salmonids under natural conditions. Wetlands with a "functions and values" rating for baseflow /groundwater support of 9 and above (or moderate) as described in Cooke (1996) should be included. Please circle appropriate response. NO - Continue to Question 3 -7 YES - Continue to Question 3 -7 3 -7 Will the project include the construction of artificial waterways or wetlands connected to a watercourse containing salmonids? For the purpose of this analysis, the construction of artificial waterways or wetlands includes wetlands, channels, sloughs, or other habitat feature created to enhance wildlife use, particularly waterfowl use, or may be attractive to wildlife, particularly waterfowl. Please circle appropriate response. NO - Continue to Question 3 -8 YES - Continue to Question 3 -8 3 -8 Will the project include bank stabilization? For the purpose of this analysis, bank stabilization includes, but is not limited to, rip -rap, rock, log, soil, or vegetated revetments, concrete structures, or similar structures. Please circle appropriate response. NO - Continue to Question 4 -0 (Page 2) YES - Continue to Question 4 -0 (Page 2) January 25, 2001 6 CITY OF TUKWILA Department of Community Development 6300 Southcenter Boulevard. Tukwila, {VA 98185 Telephone: (206) 431 -3670 F.=LV (206) 431 -3665 E-mail: tukplanTci.tukwila.wa.us AFFIDAVIT OF OWNERSHIP AND HOLD HARMLESS PERMISSION TO ENTER PROPERTY RECEIVED AUG 15 2002 COMMUNITY DEVELOPMENT STATE OF WASHINGTON - COUNTY OF KING The undersigned being duly sworn and upon oath states as follows: I . I am the current owner of the property which is the subject of this application. 2. All statements contained in the applications have been prepared by me or my agents and are true and correct to the best of my knowledge. 3. The application is being submitted with my knowledge and consent. �. Owner grants the City, its employees, agents, engineers, contractors or other representatives the right to enter upon Owner's real property. located at l O , SL N9 A E. O i LOA for the purpose of application review, for the limited time necessary to complete that purpose. >. Owner agrees to hold the City harmless for any loss or damage to persons or property occurring on the private property during the City's entry upon the property. unless the loss or damage is the result of the sole negligence of the City. ss 6. The'City shall. at its discretion cancel the application without refund of fees, if the applicant does not respond to specific requests for items on the "Complete Application Checklist" within ninety (90) days. 7. Non - responsiveness to a City information request for ninety (90) or more days, shall be cause to cancel the application(s) without refund of fees. EXECUTED at Seattle (city), WA (state), on July 10, 2002 Robert W. Power (Print Name) 6770 E Marginal Way S Bldg. C (Address) Seattle, WA 98108 (206) 767 -3986 (Phone Number) (Signature) On this day personally appeared before me Rnb rt W. Power to me known to be the individual who executed the foregoing instrument and acknowledged that. he /she signed the same as his /her voluntary act and deed for the uses and purposes mentioned therein. SUBSCRIBED AND SWORN TO BEFORE ME ON THIS 10th O OTARk s —i— _ , PUBLIC p • �,rtt Fr W DAY OF July 2002 NbTARY PUBLIC in and for the Stat of Washington residing at Edmonds, WA My Commission expires on 02/01/2005 • City of Tukwila • John W. Rants, Mayor Department of Community Development Steve Lancaster, Director October 29, 1996 Robert Josephson, PE WSDOT N.W. Region Offices P.O. Box 330310 Seattle, WA 98133 -9710 Re: 52nd Ave., S Office Building Traffic Analysis, Geotechnical Report and Conceptual Grading and Utility Plan Dear Mr. Josephson: Thank you for your letter of October 22, 1996 outlining WSDOT's review of the subject property. I wanted to specifically respond to your issue on the biofiltration swale and associated rockery retaining wall. As presented in the Conceptual Grading and Utility Plan, the rockery wall was called out, including heights of the wall that were referenced to the legend for the plan. As this plan was conceptual in nature, specifics about the solutions were not called out. I would imagine that during your review of the project for the WSDOT drainage permit, these solutions will be explained in greater detail. The rockery/bioswale will require a separate building permit review from the application . for the office building. This review will also require details about the rockery/bioswale posed in your letter that are not yet available. We will require that the applicants present a copy of the WSDOT permit when they apply for their building permit for the rockery/bioswale. I will forward your October 22 letter, along with this response, to the applicant. Sincerely, Michael Jenkins cc: Greg Diener, Pacific Engineering Design, Inc. Rolf Preuss JoAnna Spencer, Tukwila Public Works -� Don HurterNickie Erickson, WSDOT 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • (206) 431-3670 • Fax (206) 431-3665 • RECEIVED • OCT V7Amar 2 9 1996 Washington State DCOE UNI NT Northwest Region VOPM Department of Transportation Sid Morrison Secretary of Transportation October 22, 1996 Michael Jenkins City of Tukwila, Department of Community Development 6300 Southcenter Blvd., Suite 100 • Tukwila WA 98188 Subject: SR 518 MP 3.28 CS 1758 52nd Avenue South Building Traffic Analysis, Geotechnical Report, Conceptual Grading & Utility Plan Review Dear Michael Jenkins: The proposed project is a two story building with a 22,162 square foot floor area. This project will generate 35 PM and 41 AM peak hour trips when completed and occupied. The proposed project is located north of SR 518 between I -5 and 52nd Avenue South in Tukwila. Approximately 400 feet south of the site, 52nd Avenue South intersects with Southcenter Boulevard is a major 4 lane facility connecting the site with major access points onto SR 5, SR 405, SR 518 and local arterials. We have reviewed the project and have the following comments. HYDRAULICS We will require a utility permit and review and approval of the drainage calculation and detail connection into the WSDOT drainage system. GEOTECHNICAL The geotech report and its recommendation appear to be appropriate for the construction of this building and the parking lot areas. The proposed recommendations are that no slopes should be left steeper than 2:1. This is fine, based on their comments relative to overbuilding the slopes and trimming back to insure adequate compaction at the face. Our main concern is the biofiltration swale and its associated rockery retaining walls. There is no clear mention of the height of these walls nor are there any construction details such as embedment depths or options to keep the fines from behind the rocks. What type of materials will these rockeries be set on and what type of material will they retain? Will water ever get up to the base of the rocks? What type of a batter will they be set at? Please have these concerns addressed. 1 • Page 2, October 22, 1996 SR 518 MP 3.28 CS 1758 52nd Avenue South Building Traffic Analysis, Geothechnical Report, Conceptual Grading & Utility Plan Review TRAFFIC Since the trips to and from this project would be distributed in equal percentages to all directions, the impact of this project on State facilities would be insignificant. Don Hurter at 440 -4664 or Vickie Erickson at 440 -4915 of Developer Service section will continue to work directly with'you on this matter. If I can be of any other assistance feel' free to call me at 440 - 4711. VEE:vee tw52ave.Doc Attachment cc: Sin OBERT SEPHSON, PE Manage f Planning & Local Coord' ation • URBAN REGIONAL RESEARCH Planning Consulting Services ST Corporation Hong Tan 1200 South 122nd Street Suite 300 Seattle, WA 98148 August 5, 1996 RE: Traffic Analysis - 52nd Avenue South Office Building: #E96 -0019 Dear Mr. Tan THE PROPOSED ACTION RECEIVED CITY OF TUKWILA ;, t.t I t I .1 s.• V PERMIT CENTER The proposed action is to construct a two story office building 22,162 gross square feet of space. A lower level of parking will accommodate 69 parking spaces. The building use will be general office. Access will be from two driveways off of 52nd Avenue South. EXISTING CONDITIONS The site is located at 15208 52nd Avenue South in Tukwila. There is a vacant single family house on the property. Street System Access to the site is from 52nd Avenue S. which has a 60 foot right of way. Currently 52nd is a two lane facility with approximately 24 feet of pavement. There are sidewalks on both sides of the street. No parking is allowed on either side of the street. Approximately 400 feet south of the site, 52nd Avenue S. intersects with Southcenter Boulevard. Southcenter Boulevard is major 4 lane facility connecting the site with major access points onto SR 5, SR 405, SR 518 and local arterials. No channelization exists at the intersection of 52nd Avenue S. and Southcenter Boulevard. A stop sign controls traffic entering Southcenter Boulevard. Trip Distribution The site is served by numerous access points in all directions of desired travel, including the major State Routes of SR 5, SR 405 and SR 518. Suite 1000 1809 Seventh Avenue Seattle, WA 98101 (206) 624 -1669 FAX (206) 626 -5324 email 74221.2652 @compuserve.com IMPACTS Trip Generation Vehicular generation was determined by applying the Institute of Transportation Engineers a!-E) Trip Generation Report, 1991, Fifth Edition. The ITE land use code (750) for Office Park facilities was assumed to best fit the proposed use of this office building. The generation rate of 11.5 vehicles per 1000 sf is used in this analysis. This has been applied to the proposed 22,162 sf of gross office space, resulting in 255 Average Weekday Trip Ends. During the afternoon peak hour, it is estimated that 35 vehicles will enter and exit the site. About 5 of these vehicles will enter and 30 will exit the site during the PM peak hour. Trip Distribution The distribution of traffic generated from this proposal appears to be distributed in an equal percentage in all directions. This is due to the various access points serving the proposed site. The employees wdl have numerous options of travel to and from their place of employment. MITIGATING MEASURES Frontal sidewalks will be provided as required by the City's standards. JUL -18 -1996 10:18 FROM URBAN REGIONAL RESEARCH 07 -18 -1996 09 :30AM FROM •tech Consultants Inc GEOTECH CONSULTANTS, INC. Memo The William Van GeeIkerken Comply: ST Corporation Adder 1200 South 192nd St, Suite 300 Seattle, WA 98148 Geotechnical Considerations for Revised Building Layout Proposed Office Building 15208 - 52nd Avenue South Tukwila, WA TO -4313665 P.02 TO bb5r344 r. u1 13256 NE 20th Street, Suite 16 Bellevue, WA 98005 (206) 747 -5618 FAX 747 -8561 JN: 95267 Rona Marc R,Nioam's Doha July 18, 1996 FAX: (206) Phone: (206) We have been provided with the revised site layout, which has changed slightly since we developed our geotechnical engineering report on August 10, 1995. The parking garage will underlie most of the building and have a finish floor elevation of 76 feet. On the attached copy of the revised site plan have sketched the approidmate outline of the building that was planned at the time of our original report and the locations of our subsurface explorations. The location of the building is substantially the same as what was originally planned_ The northwest comer of the building has been pulled in, creating more on -grade parking. The garage floor elevation is about 5 feet higher than originally planned. The small changes in the site layout and building footprint are not substantial from a geotechnical engineering standpoint The recommendations presented in our report are still appropriate. It will be necessary to fill beneath the southeastern portion of the garage, as the existing site grades are about 3 feet lower than the planned garage floor grade here. The building foundations and site retaining vralls must bear directly on native, medium -dense soils, or on granular structural All placed above these competent sods. This will require overexcavation to extend through the topsoil and thin existing fill, and the looser native soils. We should observe all foundation and retaining wall excavations to verify that suitable soils are exposed. The planned development should not adversely affect the stability of the slopes located on. or adjacent to, the site. The new grading and building walls will actually improve the slope stability on the site by retaining or decreasing the inclination of the existing slopes. The only steep slope on the site is the short slope that was autifidally created southeast of the existing house by previous site grading_ This slope will be stabilized by the planned building walls and filling for the northwestern parking area. ow Rolf Preuss Associates 626 5324(FAX) Post -it° Fax Note 7671 TOTAL P.02 Cont 4I1No. Epic File No. e 4)G-DOI 1 Fee $ 325 Receipt No. ENVIRONMENTAL CHECKLIST A. BACKGROUND 1. Name of proposed project, if applicable: FiFr`( SEGof-. D AYE,SOUTH 5LA76r, 2. Name of applicant: 14O0 TAO 3. Address and phone number of appl icant and contact person :i2-00 S .i9 L S T��� So ■T& 300 S&cvTT <..t`. t yi Q,E5 l 48 24 l -67241, can ecfi ; SGoTT (7Av uS 4. l(2)09 1 A\iG; 5o LTe t000 S6ATTL.6 t)A G24 • itoc:39 ate checklist prepared: 30K)F; 41 5. Agency requesting Checklist: City of Tukwila 6. Proposed timing or schedule (including phasing, if applicable): S i lam; canSTn.uc_ tav\ SP OP Caom N9L 1 ear\ T12506 -cton. t i t 0P. ( 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. t■j(� 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. 5c7 i L 1 tJUc -rte 1 mr) 5 1 U o coroSJC.T(Jr.srs 1 c,. 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. 1.40 -2- R: E E ` E D JUN 0 7 1996 COMMUNITY DEVELOPMENT • • 10. List any government approvals or permits that will be needed for your proposal. LOT oO►JO1 -L AO JUS W - 7(2.1 YD t CT' 6c.)1csoL►J1,- Pet'2,tivt,t S r• & L Wl, lT 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. C1�e1�sg,U�L \Zee; 'S-TotL 8U1(.010i, -- F1 F1.002��A'�K�tJb- A1± SeGor. Aon T%L LO BLS 2pC- 42A _ 74 3 s . PAt2dc,lQ12- X02. 4-11 G7r c, S . i V14 P{FL.0 to, S P92e /A (47 Sim ([,i °la) 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. iS2oc?" ��'` ! )c fr\\/ 152 )tLtl.A-7 W 13. Does the proposal lie within an area designated on the City's Comprehensive Land Use Policy Plan Map as environmentally sensitive? \C es S Tom- P 'Lo °lo) -3- TO BE COMPLETED BY APPLIC[ B. ENVIRONMENTAL ELEMENTS 1. Earth •Evaluation for Agency Use Only a. General de tion of the site (circle one): Flat, rolling, hill steep slopes, mounVinous, other c.oPE.S Btz-Tu. inn) 5 /» iS O(( 5om TO OR.. GKLE A i E2 T1' AN aoolD b. What is the steepest slope on the site (approximate percent slope)? SD ° /e) 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. REF S�7�C,S t VLs,tV 4 T fL Y\ LOOT To ma >i.oirn fie.) t AT LUE; coAfJ:f; L7V g� .d1T K 1 To 3 r gigr oP 'Lb F bt L A,JO L l.L- 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. Sl% G1c4011J6- efLOCIU EY Pam C1Z 0(41.7) I. TO Fad r2 eQ\ v - 036 D 1 f._) CL T , )) Zl.[3Y1 YZ. STix( 71,0Y\ DR_ALKYI 06-- f. Could erosion occur construction, or use? Fx,A V AT toy' 1 rlAL)E -, G 4 Pe), 0 C,Ot) S V CLc)(X ,0Y) as a result of clearing, If so, generally describe. O P _-_1-2-P4 i V5Y\ C.oU l.Q 1 CU, Doc-2410o- g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? APPIZOYPIYIA<<, 126(W lOVS • •Evaluation for Agency Use Only h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: paximyvaq7.1 s Lz LCk o) DoLl. r t41,U.- SLOP & '5. Bart sT 12V CZ A PAC t4-45.0 S lTr?- C- ,tJ'Gt2___ , 2. Air a. What types of emissions to the the proposal (i.e., dust, industrial wood smoke) during the project is completed? describe and give approximate 212121 ...S& C OOLSTILga o©o2S . air would result from automobile odors, construction and when If any, generally quantities if known. t S) QS T AND C:�QUAJIAltKr • 0-ro Gm M`a l —d)'ZS b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally describe. 465 AUTO �,vYL151tons p(? '1 (Lek: (.1,1 A S r r,G —o.)T 4T6 - c. Proposed measures to reduce or control emissions or other impacts to air, if any: ip OP6f ATtoto S. C,r X 12 nL V YLUG� t�lv66L. YY1,00 Ta v)te.)IW ?.F b owc. oO P! OFC S7. 26 � �5 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. j.10 • •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. I.SO 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. NOPED- 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quan- tities, if known. jU a 5) Does the proposal lie within a 100 -year floodplain? If so, note location on the site plan. (JO 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. N O •Evaluation for Agency Use Only b. Ground: 1) Will ground water be withdrawn, or will water be discharged to ground water? Give -general description, purpose, and approximate quan- tities, if known. r.10 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. t,3006 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. SUUr. (20166i4-= l S S VOA W1 00 lA3L e STO'IL w u1`3 O E r F RW`M P A ru<,t 06- A (Q, bra w ALL Pv� God �t�TC��J i k) CA c,(A � �l.�O c-Q a x Z Q. QE 'FOPS L. LeS1L"G 0 u....)171-1_12121.1.) -- Spot luLL,L ? E 6ATV.t�lLC� LL_ 14 0 en eAkYV Or\ �LVSIC'M Lip TW -ip to _r0 MN S VIT6 F5t0 FD IC,TiL�i1Tt[m �7 pbt2 C ( CM O - TU141)3U Ac 2 QUt WIe -r j Evaluation for Agency Use Only 2) Could waste materials enter ground or surface waters? If so, generally describe. ■O d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: PWtEtL S_TLIZiC 4. Plants a. Check or circle types of vegetation found on the site: 1/ deciduous tree: alder, yen, v evergreen tree: �:�► pine, othe j shrubs 1,/ grass pasture 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 ve etation will be removed or altered? 0 0/z /7-) OF S i-r U bCq 'GAZ'�Z7� W 451�� 226 C'ckVY1 C�)f. - TYZPA5 G EaDE6JLv L G- 06 R�Zf�LiJ �J, c. List threatened or endangered species known to be on or near the site. 1J01� Evaluation for Agency Use Only d. Proposed landscaping, use..of native plants, or other measures to preserve or enhance vegetation on the site, if any: _lae, LAINOC ;( pp, 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, 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. Lido ob c. Is the site part of a migration route? If so, explain. N O d. Proposed measures to preserve or enhance wildlife, if any: p� t • 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. cec.T2lGpc_. — 64Tt+.�1r�t��Z� 61.30 t..- l 61TLkM,- b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. tii O Evaluation for Agency Use Only 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: tvteFT ETA 1 o LLA)sEu k ,-iy) GVJE -�Q L Go LO Y\ GDO(— 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. WE) 1) Describe special emergency services that might be required. 0JOt 2) Proposed measures to reduce or control environ- mental health hazards, if any: 13,4, 1 b. Noise 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? E E P 2Loncl i N i X25 1A V-F-i S A A C.- __ TO TNT S1T� 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 IO2;G TC-QtM CO1'1Gt'12.136na i 1)O% (,C,f, may\TN�) __1=z2N& TexurVv � _ RAFEtG Evaluation for Agency Use Only . 3) Proposed measures to reduce or control noise impacts, if any: LAO-In ` ?j 1 Crn t-lt)u Q.S A',Do C'rsrn P G c k, Ste;-, OCt,�� Q�Xfc 8. Land and Shoreline Use a. What is the current use of the site and adjacent properties? Si T6 04(..4 r Fonicm 8 _ E�0 _F6 t� J ? riw C tAL Eu�aU z oc.FLC. -5 b. Has the site been used for agriculture? If so, describe. N O c. Describe any structures on the site. 2 ^7-0aJLA ROO6 A00 f riAGf46C) 6 AC AG6 Evaluation for Agency Use Only d. Will any structures be demolished? If so, what? 1�l S c K? vY1 c) t,1SKE2Q_4_ e. What is the current zoning classification of the site? O (OPFIG6 D(S112.lC50_ f. What is the current comprehensive plan designation of the site? pry1E; (AS AES0 g. If applicable, what is the current shoreline master program designation of the site? N ({ h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify., PorL1 C) 1». S OF 176-, t,.D Th s [_UPf,S i. Approximately how many people would reside or work in the completed project? !kp21201/4t01+417G l�E) Pr,DPu cc,GUPAvvL LOA-0 F 5t -ba.. Approximately how many people would the completed project displace? Q • k. Proposed measures to avoid or reduce displacement impacts, if any: U0111a 1. Proposed measures to ensure the proposal is com- patible with existing and projected land uses and plans, i f any: 1(11. T Au R .,ii izaba D PUAoJNt 3 r 06 - C ar,rl. RA cps F A 2., R ∎ e' XOR- L . Evaluation for Agency Use Only 9. Housing 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. ay1.r yyllpp(,, If.NC,Z51",'1t c. Proposed measures to reduce or control housing impacts, if any: NONE 10. Aesthetics a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed? iii` -O'` Ta COP OF i-1LC7-E Si" Q(LTon OF- FU- 0 F- FLA-r Qo F i 1.3r; : S Tt) � 0 (TOY> c DL D( ) b. What views in the immediate vicinity would be altered or obstructed? QJrJ1,-, c. Proposed measures to reduce or control aesthetic impacts, if any: C,cnp CO Tv-1 COL)LIT1.a.J� 7x16u3 • .• Evaluation for Agency Use Only 11. Light and Glare a. What type of light or glare will the proposal produce? What time of day would it mainly occur? HC-AO i€ --r G(AR. . boa ,tF )A WbOTe& iMonTK -1;00D --co', 00 ;Orn AKD 4 : oo - Cb :oo frm b. Could light or glare from the finished project be a safety hazard or interfere with views? NC) c. What existing off -site sources of light or glare may affect your proposal? i- l.A&,L64:5��Ge� crJ ACM A (6> PArL44&) - cAZEL A►..)O FRA r FR,etx d. Proposed measures to reduce or control light and glare impacts, if any: pQuJN CAG- 1TtNE3- D� 12. Recreation a. What designed and informal recreational oppor- tunities are in the immediate vicinity? 1.3006 b. Would the proposed project displace any existing recreational uses? If so, describe. N C7 c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: t.) 0tJE7 • SEvaluation for Agency Use Only 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. p b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. pJpt, c. Proposed measures to reduce or control impacts, if any: NJ A 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. b. Is the site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? t4 0 c. How many parking spaces would the completed project have? How many would the project eliminate? P TCf T �il�7ULp PRok. 1,c)e Pt2o &Gt woUU ) e( rn U.D G 2 STALLS • •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). T46u Ito ecg_ AW lE9- it-1 >✓ r-(LOYt PQ_e6'LtL L (� _���0 LP iC1►3Q (-Om PG6T6 ST2,F eir C.U(L es IN(s- T!? mArciA i�. lSt e.7 ,- Ctrl rp lT1bl�1� (i D L t✓ ; �_ • e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. (� p f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. 'Zoo T21 P' pEvc. LOoOLAD B6 GEIJF(2-,0.7 F.C) $ -rw. corn �2v3 c�z , r tkE P &A . U 0 Lovn, OF 3n tYL1PS .&)OQL ) pc C.u2 P T ,►J 4 — CD pm g. Proposed measures to reduce or control transpor- tation impacts, if any: PQmutSVC5)1S C)F- SUPF(GIG& PR t2(- 113 ,-- 1 � S SAT I E ‘i p ao DemiuND 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. tO r-i2� Jf, n T�-- _I cicza, JD Po LACE, ‹C A I m& D m i€ &r,21.u21iJti -- e2a,R AT tE b. Proposed measures to reduce or control direct impacts on public services, if any. (f�tj_� -, ttF� (L%,'CL.t CA- I C� 61TI 3?, LO C) , s6.6o(LAZ� Nr � IJG PRzV Ltt CCM 1°C6r(--77 Et 16. Utilities a. SEvaluation for Agency Use Only tly availabl,p at the s•tte: (efuse service, c system, other. b. Describe the utilities that are proposed for the project, the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. Ec 54-TAZTL6 CA:ct` l _iC�t,1T ';'F,(,,6t::%-lobJe -05 S 6062_ M ErTZ.D W ArEf2_ - : A c6d1- O T'(aCj l �.5 W dlt all to& -cOY∎ tJ P∎IIMAL C-�S 1.)076 . TR-6tJG U It ) g.edslocW3 trio S`Z Nia Av6,5. FOCI- K00k.UP C. Signature The above answers are true and complete to the best of my knowledge. I understand the lead agency is relying on them to make its d Signature: Date Submitted: 3 JoN& l ?� Cv PLEASE CONTINUE TO THE NEXT PAGE. • M TO BE COMPLETED BY APPLIC• 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? Proposed measures to avoid or reduce such increases are: 2. How would the proposal be likely to affect plants, ani- mals, fish, or marine life? Proposed measures to protect or conserve plants, ani- mals, fish, or marine life are: P 0 Evaluation for Agency Use Only 3. How would the proposal be likely to deplete energy or natural resources? Proposed measures to protect or conserve energy and natural resourses are: 4. How would the proposal be likely to use or affect environmentally sensitive areas or areas designated (or eligible or under study) for governmental protection; such as parks, wilderness, wild and scenic rivers, threatened or endangered species habitat, historic or cultural sites, wetlands, floodplains, or prime farmlands? Proposed measures to protect such resources or to avoid or reduce impacts are: 5. How would the proposal be likely to affect land and shoreline use, inclduing whether it would allow or encourage land or shoreline uses incompatible with existing plans? Evaluation for Agency Use Only Proposed measures to avoid or reduce shoreline and land use impacts area: How does the proposal conform to the Tukwila Shoreline Master Plan? 6. How would the proposal be likely to increase demands on transportation or public services and utilities? Proposed measures to reduce or respond to such demand(s) are: 7. Identify, if possible, whether the proposal may conflict with local, state, or federal laws or requirements for the protection of the environment. t• • 8. Does the proposal conflict with policies of the Tukwila Comprehensive Land Use Policy Plan? If so, what poli- cies of the Plan? Proposed measures to avoid or reduce the conflict(s) are: Evaluation for Agency Use Only .'TO BE COMPLETED BY APPLICP"T 40 Evaluation for lip 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? TKO 06.-R5CCIS or T uF erLovosA kS To O val ,o • Fl P9 12J L W14 u ZZ) b bo r or GC .�55 +4 OF: F 1 140A66. A CMAc.6(`7T -Co efLoP&IUCIA @ e oc) tom`. N0 Auk aX rJ6v6Loe w1r- lJ S - ' b LcrUJ 11. 1474(2,14-1 b- Foo TtstE A0 ,i lacfc,(J'T FEU Goti1Jl�- " tS ?o 62,r o AU6 STAL.C,S At.bN(3 -- SOb,�:� «� Pal" 12:r1 f1/43o0_71 -t i cP(2-0P6fu . 2. What are the alternative means of accomplishing these objectives? NptJ6 3. Please_compare the alternative means and indicate the preferred course of action: prz.GE1214 fAC,T6tZ.h er7kk 4 1 4. Does the proposal conflict with policies of the Tukwila Comprehensive Land Use Policy Plan? If so, what poli- cies of the Plan? WO Proposed measures to avoid or reduce the conflict(s) are: A -23- Evaluation for Agency Use Only GEOTECH CONSULTANTS, INC. 13256 N.E. 20th St. (Northup Way), Suite 16 Bellevue, WA 98005 (206) 747.5618 FAX 747-8561 ST Corporation 1200 South 192nd Street, Suite 300 Seattle, Washington 98148 • 1 \NAT'. - 7-Z»'' 11 Ott( c vl9 r tk o1.c.rdlz /�( trarti7�.fv� -mot (AA Ina4 c t) ci /t Attention: William Van Geelkerken Subject Geotechnical Engineering Study Proposed Office Building 15208 - 52nd Avenue South Tukwila, Washington Dear Mr. Van Geelkerken: August 10, 1995 JN 95267 We are pleased to present this geotechnical engineering report for the office building to be constructed at 15208 - 52nd Avenue South in Tukwila. The scope of our work consisted of exploring site surface and subsurface conditions and then developing this report to provide design criteria for foundations, retaining walls, and pavements and recommendations for general earthwork. You authorized our work by accepting our proposal, P -3637, dated July 19, 1995. The subsurface conditions of the proposed building site were explored with seven test pits and one boring that generally encountered loose to medium - dense, native sands and silts beneath 1 to 3 feet of topsoil and fill. The native soils are suitable to support relatively conventional footings. The footing excavations encountering the native sands will need to be wetted and compacted with a hoe -pack prior to placing forms. Where the native silts are exposed in the foundation excavations, the subgrade should be protected with a layer of crushed rock. Some groundwater seepage could be encountered in the deeper excavations for the lower floor, particularly during the wet season. This would require some dewatering of the excavations. The attached report contains a discussion of the study and our recommendations. Please contact us if there are any questions regarding this report, or if we can be of further assistance during the design and construction phases of this project. Respectfully submitted, GEOTECH CONSULTANTS, INC. 744. 7r Marc R. McGinnis, P.E. Associate JUN 07 1996 DEVELOPMENT • • GEOTECHNICAL ENGINEERING STUDY Proposed Office Building 15208 - 52nd Avenue South Tukwila, Washington This report presents the findings and recommendations of our geotechnical engineering study for the site of the proposed office building to be constructed at 15208 - 52nd Avenue South in Tukwila. The general location of the site is illustrated on the Vicinity Map, Plate 1. We were provided with conceptual plans showing the proposed building footprint and finish floor elevations. Rolf Preuss Associates developed these plans. The property dimensions, the existing topography, and the locations of the existing structures on the site were indicated on the site plan. Based on these plans, we anticipate that the proposed building will consist of two floors over a basement parking garage that will daylight toward the east and south. The finish floor elevation for the parking garage is to be 70 feet, which will result in maximum cuts of approximately 18 feet below the existing grade for the foundation construction at the garage's northwestern corner. The footings for the first and second floors will step up toward the north and west from the parking garage wall. On -grade paved parking will be located east and north of the building. A drive ramp will slope up toward 52nd Avenue South along the southern side of the building for access to the garage and eastern parking. SITE CONDITIONS Surface The irregularly shaped site is located between an Interstate 5 right -of -way and 52nd Avenue South. An off -ramp for southbound Interstate 5 abuts the eastern property line. At the time of our field work, the site was developed on its northern half with a residence and a detached garage. With the exception of a gravelled driveway north of the house and a grass yard close to the residence, the remainder of the site was covered with blackberry vines. Shrubs and medium -sized trees were scattered around the property. An abandoned wooden shed was located on the southern portion of the site. The ground surface on the site and in the general vicinity is characterized by gentle slopes dropping toward the southeast. The northern approximately one -third of the property is relatively level. Slopes on the southern portion of the site have inclinations of less than 20 percent. '.No indications of slope instability,!near- surface soil creep, or seepage at the ground surface were - observed during our site. visits. Development around the site is a mixture of commercial and residential buildings. Office buildings are located immediately to the north, west, and south of the property. Single - family and multifamily housing exists further to the north and northeast of the site. GEOTECII CONSULTANTS, INC ST Corporation August 10, 1995 Subsurface JN 95267 Page 2 The subsurface conditions were explored by excavating seven test pits and drilling one boring at the approximate locations shown on the Site Exploration Plan, Plate 2. The field exploration program was based upon the proposed construction and required design criteria, the site topography and access, the subsurface conditions revealed during excavation, the scope of work outlined in our proposal, and the time and budget constraints. The test pits were excavated on August 1, 1995 with a rubber -tired backhoe. A geotechnical engineer from our staff observed the excavation process, logged the test pits, and obtained representative samples of the soils encountered. "Grab" samples of selected subsurface soils were collected from the backhoe bucket. The Test Pit Logs are attached to this report as Plates 3 through 6. The single boring was drilled on July 31, 1995, using a truck - mounted, hollow -stem auger drill. Samples were taken at 5 -foot intervals with a standard penetration sampler. This split - spoon sampler, which has a 2 -inch outside diameter, is driven into the soil with a 140 -pound hammer falling 30 inches. The number of blows required to advance the sampler a given distance is an indication of the soil density or consistency. A geotechnical engineer from our staff observed the drilling process, logged the test borings, and obtained representative samples of the soils encountered. The Test Boring Log is attached as Plate 7. In the explorations, we encountered a 1- to 3 -foot layer of loose, silty sand topsoil and fill below the surface vegetation. Below this surficial layer, the test pits and boring revealed loose to medium -dense sands with low silt contents. Thin layers of stiff silt were observed in these sands in several of the test pits. In the boring and Test Pit 1, we encountered dense, glacially consolidated sands and silty sands. These dense soils were found at a depth of 11 feet in Test Pit 1 and a depth of about 26 feet in Boring 1. The native sands that underlie the loose topsoil and fill appear to be recessional deposits resulting from streams flowing off glaciers and hillsides after the last glaciation. The silt layers found within the recessional sands resulted from small lakes or ponds that would allow these fine sediments to settle out. The glacially consolidated soils that underlie these recessional deposits slope down toward the east or southeast, based on the results of Test Pit 1 and Boring 1. The final Togs represent our interpretations of the field Togs and laboratory tests. The stratification lines on the logs represent the approximate boundaries between soil types at the exploration locations. The actual transition between soil types may be gradual, and subsurface conditions can vary between exploration locations. The logs provide specific subsurface information only at the locations tested. If a transition in soil type occurred GWOTIsCI I CONSULTANTS, INC ST Corporation August 10, 1995 JN 95267 Page 3 between samples in the boring, the depth of the transition was interpreted. The relative densities and moisture descriptions indicated on the logs are interpretive descriptions based on the conditions observed during excavation and drilling. The compaction of backfill was not in the scope of our services. Loose soils will therefore be found in the area of the test pits. If this presents a problem, the backfill will need to be removed and replaced with structural fill during construction. Groundwater Groundwater seepage was observed in Boring 1 at a depth of about 20 feet and in Test Pit 6 at a depth of 11 feet.. The explorations were left open for only a short time period and were conducted during summer months. It should be noted that groundwater levels vary seasonally with rainfall and other factors. We anticipate that groundwater levels could be higher during winter and spring months. CONCLUSIONS AND RECOMMENDATIONS General The subsurface explorations conducted for this study-indicate that the site is underlain by loose to, medium -dense sands' containing occasional ; layer& of stiff silt.* These native soils are suitable to support the proposed building on conventional.foundationsr :.Prior to_placing concrete,_the. footing - subgrades comprised, of native sands will 7 need to be wetted and compacted with..a:.hoe -pack. We recommend accomplishing the footing excavation with a smooth backhoe bucket to limit disturbance. A layer of crushed rock can be laid in footing excavations that encounter silts in order to limit subgrade softening under worker foot traffic. The footings for the upper two floors will be located behind the foundation walls for the floors below them. To prevent the upper footings from surcharging the lower walls, the upper footings must be bottomed below a 1.5:1 (Horizontal:Vertical) imaginary zone extending up from the base of the lower walls. This will likely require lowering the footing elevations for the upper two floors in areas. Grade beams may be required for continuous footings to span the basement backfill. The temporary cuts should be possible without shoring. If excessive groundwater is encountered in the excavations, which is most likely to occur in the deep excavations for the parking garage's northwestern corner, it will be necessary to cut the temporary slopes at a flatter inclination. Additional temporary slope protection and temporary dewatering could be required where significant seepage is encountered. GEOTECII CONSULTANTS, INC ST Corporation August 10, 1995 JN 95267 Page 4 The native sand soils should be suitable for structural fill and general wall backfill, if they are placed and compacted during dry weather. Wet weather placement will generally be unfeasible due to the fine - grained nature of the sands. It may not be possible to compact the sands to 95 percent of the maximum density without repeated compaction and moisture conditioning. We have encountered this problem with similar sands on other sites. Geotech Consultants, Inc. should be allowed to review the final development plans to verify that the recommendations presented in this report are adequately addressed in the design. Such a plan review would be additional work beyond the current scope of work for this study, and it may include revisions to our recommendations to accommodate site, develop- ment, and geotechnical constraints that become more evident during the review process. Conventional Foundations The proposed structure can be supported on conventional continuous and spread footings bearing on undisturbed, native sands, or on structural fill placed above these competent, native soils. The native sands must be compacted prior to placing concrete or structural fill. See the later sub - section entitled General Earthwork and Structural Fill for recom- mendations regarding the placement and compaction of structural fill beneath structures. We recommend that continuous and individual spread footings have minimum widths of 16 and 24 inches, respectively. They should be bottomed at least 12 inches below the lowest adjacent finish ground surface for frost protection. The local building codes should be reviewed to determine if different footing widths or embedment depths are required. The footing subgrade must be cleaned of loose or disturbed soil prior to pouring compacting the subgrade. Depending upon site and equipment constraints, this may require removing the disturbed soil by hand or simply excavating the footings using a smooth bucket on the backhoe. Some overexcavation may be required below the shallower footings to expose competent, native soils. Unless lean concrete is used to fill the overexcavated hole, the overexcavation must be at least as wide at the bottom as the sum of the depth of the overexcavation and the footing width. For example, an overexcavation extending 2 feet below the bottom of a 3- foot -wide footing must be at least 5 feet wide at the base of the excavation. If lean concrete is used, the overexcavation need only extend 6 inches beyond the edges of the footing. An allowable bearing pressure of '3,000 pounds per square foot (psf) is appropriate for footings constructed according to the above recommendations and placed directly on competent, native soils or structural fill. A one -third increase in this design bearing pressure may be used when considering short-term wind or seismic Toads. For the above design criteria, it is anticipated that the total post- construction settlement of footings founded on GEO'I1iCI I CONSULTANTS, INC ST Corporation August 10, 1995 JN 95267 Page 5 competent, native soils, or on structural fill up to 5 feet in thickness, will be about 1 inch, with differential settlements on the order of one -half inch in a distance of 50 feet along a continuous footing. Lateral Toads due to wind or seismic forces may be resisted by friction between the founda- tion and the bearing soils, or by passive earth pressure acting on the vertical, embedded portions of the foundation. For the latter condition, the foundation must be either poured directly against relatively level, undisturbed soil, or surrounded by level, structural fill. We recommend the following design values for the foundation's resistance to lateral loading: Parameter Coefficient of Friction Passive Earth Pressure Design Value 0.40 300 pcf Where: (1) pcf is pounds per cubic foot. (2) Passive earth pressure is computed using the equivalent fluid density. If the ground in front of the foundation is loose or sloping, the passive earth pressure given above will not be appropriate. We recommend a safety factor of at least 1.5 for the foundation's resistance to lateral loading, when using the above design values. Seismic Considerations The site is located within Seismic Zone 3 as illustrated on Figure No. 23 -2 of the 1991 Uniform Building Code (UBC). In accordance with Table 23 -J of the 1991 UBC, the site soil profile is best represented by Profile Type S2. The native sands below the site have a low potential for liquefaction due to the absence of a near - surface water table. This is confirmed by our review of the geologic map entitled Liquefaction Susceptibility of the Des Moines Quadrang'e (Palmer - et al., 1994), which designates the site to have a low liquefaction susceptibility. Slabs -on -Grade The building floors may be constructed as slabs -on -grade atop the native sands. The subgrade soils must be in a firm, non- yielding condition at the time of slab construction or underslab fill placement. We recommend compacting the slab subgrade with a vibratory roller prior to placing concrete. Any soft areas encountered should be excavated and replaced with select, imported, structural fill. CEOTFCII CONSULTANTS, INC ST Corporation August 10, 1995 JN 95267 Page 6 All slabs -on -grade should be underlain by a capillary break or drainage layer consisting of a minimum 4 -inch thickness of coarse, free - draining, structural fill with a gradation similar to that discussed later in Permanent and Retaining Walls. In areas where the passage of moisture through the slab is undesirable, a vapor barrier, such as a 6 -mil plastic membrane, should be placed beneath the slab. Additionally, sand should be used in the fine - grading process to reduce damage to the vapor barrier, to provide uniform support under the slab, and to reduce shrinkage cracking by improving the concrete curing process. Permanent Foundation and Retaining Walls Retaining walls backfilled on only one side should be designed to resist the lateral earth pressures imposed by the soils they retain. The following recommended design parameters are for walls that restrain level backfill: Parameter Design Value Active Earth Pressure* 35 pcf Passive Earth Pressure 300 pcf Coefficient of Friction 0.40 Soil Unit Weight 130 pcf Where: (1) pcf is pounds per cubic foot. (2) Active and passive earth pressures are computed using the equivalent fluid densities. * For restrained walls that cannot deflect at least 0.002 times their height, a uniform lateral pressure of 25H psf should be used for the active earth pressure. H is the effective design height of a wall..,_ The values given above are to be used to design permanent foundation and retaining walls only. The passive pressure given is appropriate for the depth of level, structural fill placed in front of a retaining or foundation wall only. We recommend a safety factor of at least 1.5 for overturning and sliding, when using the above recommended values to design walls. The design values given above do not include the effects of any hydrostatic pressures behind the walls and assume that no surcharge slopes or loads, such as vehicles, will be placed behind the walls. If these conditions exist, those pressures should be added to the above lateral soil pressures. Also, if sloping backfill is desired behind the walls, we will need GP.OTGCI 1 CONSULTANTS, INC. ST Corporation August 10, 1995 JN 95267 Page 7 to be given the wall dimensions and the slope of the backfill in order to provide the appropriate design earth pressures. The surcharge due to traffic loads behind a wall can typically be accounted for by adding a uniform pressure equal to 2 feet multiplied by the above active fluid density. Heavy construction equipment should not be operated behind retaining and foundation walls within a distance equal to the height of a wall, unless the walls are designed for the additional lateral pressures resulting from the equipment. The compaction of backfill near the walls should be accomplished with hand - operated equipment to prevent the walls from being overloaded by the higher soil forces that occur during compaction. Retaining Wall Backfill Backfill placed behind retaining or foundation walls should be coarse, free - draining, structural fill containing no organics. This backfill should contain no more than 5 percent silt or clay particles and have no gravel greater than 4 inches in diameter. The percentage of particles passing the No. 4 sieve should be between 25 and 70 percent. If the native sand soils are used as backfill, a drainage composite similar to Miradrain 6000 should be placed against the backfilled retaining walls. The drainage composites should be hydraulically connected to the foundation drain system. Where seepage is encountered in the excavations, the wall backfill should consist entirely of free - draining gravel. The purpose of these backfill requirements is to ensure that the design criteria for a retaining wall are not exceeded because of a build -up of hydrostatic pressure behind the wall. The top 12 to 18 inches of the backfill should consist of a relatively impermeable soil or topsoil, or the surface should be paved. The sub- section entitled General Earthwork and Structural Fill contains recommendations regarding the placement and compaction of structural fill behind retaining and foundation walls. The above recommendations are not intended to waterproof the below -grade walls. If moist conditions or some seepage through the walls are not acceptable, damp - proofing or waterproofing should be provided. This could include limiting cold - joints and wall penetrations, and possibly using bentonite panels or membranes on the outside . of the walls. Applying a thin coat of asphalt emulsion is not considered waterproofing, but it will help to prevent moisture, generated from water vapor or capillary action, from seeping through the concrete. Excavations and Slopes Excavation slopes should not exceed the limits specified in local, state, and national govern - ment safety. regulations. Temporary cuts to a depth of about 4 feet may be attempted GI7.011'iCI I CONSULTANTS, INC 1 ST Corporation August 10, 1995 JN 95267 Page 8 vertically in unsaturated soils. Based upon Washington Administrative Code (WAC) 296, Part N, the unsaturated, native soils at the subject site would be classified as Type B. Therefore, temporary cut slopes greater than 4 feet in height cannot be excavated in these soils at an inclination steeper than 1:1 (Horizontal:Vertical), extending continuously between the top and the bottom of a cut. Flatter cut slopes or shoring will be necessary where excessive groundwater seepage is encountered. The above recommended temporary slope inclination is based on what has been successful at other sites with similar soil conditions. Temporary cuts are those that will remain unsup- ported for a relatively short duration to allow for the construction of foundations, retaining walls, or utilities. It will be important to protect the temporary cut slopes with plastic sheeting. This will prevent erosion during wet weather and reduce the drying of the near - surface sands during dry weather. The native sands will experience more ravelling, if they are allowed to loose their moisture. The cut slopes should also be backfilled or retained as soon as possible to reduce the potential for instability. Please note that sands can cave suddenly and without warning. Contractors should be made especially aware of this potential danger. We anticipate that some shallow ravelling of the cut slopes may occur. All permanent cuts into native soils should be inclined no 'steeper than 2:1 (H:V). Fill slopes should not be constructed with an inclination greater than 2:1 (H:V). To reduce the potential for shallow sloughing, fill must be compacted to the face of these slopes. This could be accomplished by overbuilding the compacted fill and then trimming it back to its final inclination. Water should not be allowed to flow uncontrolled over the top of any temporary or permanent slope. Also, all permanently exposed slopes should be seeded with an appropriate species of vegetation to reduce erosion and improve the stability of the surficial layer of soil. Drainage Considerations We recommend the use of footing drains at the base of all foundation and retaining walls. These drains should be surrounded by at least 6 inches of 1- inch - minus, washed rock and then wrapped in non - woven, .geotextile filter fabric (Mirafi 140N, Supac 4NP, or similar material). At its highest point, the perforated pipe invert should be at least as low as the bottom of the footing, and it should be sloped for drainage. All roof and surface water drains must be kept separate from the foundation drain system. A typical drain detail is attached to this report as Plate 8. For the best long -term performance, perforated PVC pipe is recommended for the footing drains. GEOT:CH CONSULTANTS, INC ST Corporation August 10, 1995 JN 95267 Page 9 Groundwater was observed during our field work. If seepage is encountered in the excavations, it should be drained from the site by directing it through drainage ditches, perforated pipe, or French drains, or by pumping it from sumps interconnected by shallow connector trenches at the bottoms of the excavations. The excavations and site should be graded so that surface water is directed off the site and away from the tops of slopes. Water should not be allowed to stand in any area where foundations, slabs, or pavements are to be constructed. Final site grading in areas adjacent to the building should slope away at least 2 percent, except where the area is paved. Pavement Areas All pavement sections may be supported on competent, native soils provided these soils can be compacted to a 95 percent density and are in a stable, non - yielding condition at the time of paving. Structural fill or fabric may be needed to stabilize soft, wet, or unstable areas. We recommend using Supac SNP, manufactured by Phillips Petroleum Company, or a non -woven fabric with equivalent strength and permeability characteristics. In most instances where unstable subgrade conditions are encountered, 12 inches of granular, structural fill will stabilize the subgrade, except for very soft areas where additional fill could be required. The subgrade should be evaluated by Geotech Consultants, Inc., after the site is stripped and cut to grade. Recommendations for the compaction of structural fill beneath pavements are given in a later sub - section entitled General Earthwork and Structural Fib. The performance of site pavements is directly related to the strength and stability of the underlying subgrade. The pavement for lightly loaded traffic and parking areas should consist of 2 inches of asphalt concrete (AC) over 4 inches of crushed rock base (CRB) or 3 inches of asphalt - treated base (ATB). We recommend providing heavily loaded areas with 3 inches of AC over 6 inches of CRB or 4 inches of ATB. Heavily loaded areas are typically main driveways, dumpster sites, or areas with truck traffic. The pavement section recommendations and guidelines presented in this report are based on our experience in the area and on what has been successful in similar situations. Some maintenance and repair of limited areas can be expected. To provide for a design without the need for any repair would be uneconomical. General Earthwork and Structural Fill All building and pavement areas should be stripped of surface vegetation, topsoil, organic soils, and other deleterious material. It is extremely important that the foundations and slabs GEO1TC'I I CONSULTANTS, INC ST Corporation August 10, 1995 JN 95267 Page 10 for the existing structure also be removed. The stripped or removed materials should not be mixed with any materials to be used as structural fill, but they could be used in non - structural areas, such as landscape beds. Structural fill is defined as any fill placed under a building, behind permanent retaining or foundation walls, or in other areas where the underlying soils need to support Toads. All structural fill should be placed in horizontal lifts with a moisture content at, or near, the optimum moisture content. The optimum moisture content is that moisture content that results in the greatest compacted dry density. The moisture content of fill soils is very important and must be closely controlled during the filling and compaction process. The allowable thickness of the fill lift will depend on the material type selected, the compac- tion equipment used, and the number of passes made to compact the lift. The loose lift thickness should not exceed 12 inches. The following table presents recommended relative compactions for structural fill: Minimum Relative Location of Fill Placerr__ent Compaction Beneath footings, slabs, or 95% walkways Behind retaining walls 90% Beneath pavements 95% for upper 12 inches of subgrade, 90% below that level Where: Minimum Relative Compaction is the ratio, expressed in percentages, of the compacted dry density to the maximum dry density, as determined in accordance with ASTM Test Designation D 1557 -78 (Modified Proctor). Use of On -Site Soils If grading activities take place during wet weather, or when the silty, on -site soils are wet, site preparation costs may be higher because of delays due to rains and the potential need to import granular fill. The on -site soils are generally silty and thus moisture - sensitive. Grading operations will be difficult during wet weather, or when the moisture content of these soils exceeds the optimum moisture content. GEOTECI 1 CONSULTANTS, INC. • ST Corporation August 10, 1995 JN 95267 Page 11 The moisture content of the siltier on -site soils must be at, or near, the optimum moisture content, as they cannot be consistently compacted to the required density when the moisture content is significantly greater than optimum. The moisture content of the on -site soils was generally near, or below, the estimated optimum moisture content at the time of our explorations. The on -site sand soils underlying the topsoil could be used as structural fill, if grading operations are conducted during hot, dry weather, when drying the wetter soils by aeration is possible. Due to the fine - grained nature of the on -site sands, adequate compaction could require repeated efforts and close monitoring of the moisture content. We have experienced problems in obtaining the required compaction with similar soils on other sites. Moisture - sensitive soils may also be susceptible to excessive softening and °pumping° from construction equipment, or even foot traffic, when the moisture content is greater than the optimum moisture content. It may be beneficial to protect subgrades with a layer of imported sand or crushed rock to limit disturbance from traffic. Ideally, structural fill that will be placed in wet weather should consist of a coarse, granular soil with a silt or clay content of no more than 5 percent. The percentage of particles passing the No. 200 sieve should be measured from that portion of soil passing the three - quarter -inch sieve. LIMITATIONS The analyses, conclusions, and recommendations contained in this report are based on site conditions as they existed at the time of our exploration and assume that the soils encoun- tered in the test pits and boring are representative of subsurface conditions on the site. If the subsurface conditions encountered during construction are significantly different from those observed in our explorations, we should be advised at once so that we can review these conditions and reconsider our recommendations where necessary. Unanticipated soil conditions are commonly encountered on construction sites and cannot be fully anticipated by merely taking soil samples in test pits and borings. Subsurface conditions can also vary between exploration locations.. Such unexpected conditions frequently require making additional expenditures to attain a properly constructed project. It is recommended that the owner consider providing a contingency fund to accommodate such potential extra costs and risks. This is a standard recommendation for all projects. This report has been prepared for the exclusive use of ST Corporation and its representa- tives for specific application to this project and site. Our recommendations and conclusions are based on observed site materials, and selective laboratory testing and engineering analyses. Our conclusions and recommendations are professional opinions derived in GEOTEC'I I CONSULTANTS, INC ST Corporation August 10, 1995 JN 95267 Page 12 accordance with current standards of practice within the scope of our services and within budget and time constraints. No warranty is expressed or implied. The scope of our services does not include services related to construction safety precautions, and our recommendations are not intended to direct the contractor's methods, techniques, sequences, or procedures, except as specifically described in our report for consideration in design. We recommend including this report, in its entirety, in the project contract documents so the contractor may be aware of our findings. ADDITIONAL SERVICE Geotech Consultants, Inc. should be retained to provide geotechnical consultation, testing, and observation services during construction. This is to confirm that subsurface conditions are consistent with those indicated by our exploration, to evaluate whether earthwork and foundation construction activities comply with the intent of contract plans and specifications, and to provide recommendations for design changes in the event subsurface conditions differ from those anticipated prior to the start of construction. However, our work would not include the supervision or direction of the actual work of the contractor and its employees or agents. Also, job and site safety, and dimensional measurements, will be the responsibility of the contractor. The following plates are attached and complete this report: Plate 1 Vicinity Map Plate 2 Site Exploration Plan Plates 3 - 6 Test Pit Logs Plate 7 Boring Log Plate 8 Footing Drain Detail CWCYIFCI I CONSULTANTS, INC ST Corporation August 10, 1995 JN 95267 Page 13 We appreciate the opportunity to be of service on this project. If you have any questions, or if we may be of further service, please do not hesitate to contact us. MRM /JRF:jcv cc: Rolf Preuss Associates Respectfully submitted, GEOTECH CONSULTANTS, INC. EXPIRES 10 / 25 /9S Marc R. McGinnis, P.E. Associate James R. Finley, Jr., P.E. Principal GEOTIiCI1 CONSULTANTS, INC 1 R V bl H16NL1NE RIVERTON COMMUNITY A s1 it ,41414 �.� s 1 •' 599599 for.if.„. ..N 4 , _ CEN '.R4 'Mani14210 ' ST :I X144 1ST V'RI Ullgahmq HE Lai F� Masi 144TH R • 127TH , ff41= S 173RD S 158TH ST iR TUk� $W71 CENTER PKWY nms BAKER 81. STRANDER ,©■- 3m= • SEATAC '^ M+RRIOTT S' 5'^ 172ND P1 ST ST 1. . LAKE Px 178TH s 1 7Th ST u' 4300 ' 178TH GEOTECH CONSULTANTS VICINITY MAP 15208 - 52nd AVENUE SOUTH TUK W ILA, WASHINGTON I WOO Ab. s Givt" 95287 [ AUG 1996 I 10 15 USCS USCS TEST PIT 1 Description Elevation ±90' Brown, slightly silty SAND with roots and trace gravel, fine- grained, dry to moist, medium -dense (topsoil) Brown SAND with trace silt, fine- to medium - grained, moist, medium - dense Brown /gray, silty SAND with gravel, moist, dense (glacial till) 1-becomes stained sandstone Test pit terminated at 13.5 feet below grade on 8 -1 -95. No groundwater encountered during excavation. No caving. TEST PIT 2 Description Elevation ±82' INMIa 5 WIMO Imm 10 15 Sod and roots (topsoil) Light brown SAND with occasional thin, silty sand layers, fine-grained, dry, loose to medium -dense Test pit terminated at 11 feet below grade on 8 -1 -95. No groundwater encountered during excavation. No caving. GEOTECH CONSULTANTS, INC. TEST PIT LOGS 15208 - 52nd AVENUE SOUTH TUKWILA, WASHINGTON Job No: Date: Logged by: Plate: 95267 I AUG 1995 I DBG 3 1 tjj G oc USCS TEST PIT 3- • Description Elevation ±74' 10 15 _ 0 5 10 Fill Slightly silty SAND with roots, fine- grained, dry, loose (fill) -clay pipe SP SM Light brown, slightly silty SAND, fine- grained, dry, loose to medium - dense Light brown SAND, fine - grained, dry, medium -dense ML Brown /gray, sandy, clayey SILT, moist, stiff cL . am • �oy ` cc C.5USCS Test pit terminated at 12 feet below grade on 8 -1 -95. No groundwater encountered during excavation. No caving. TEST PIT 4 Imm MOO MID 15 _ Description Elevation ±78' Sand with roots and some gravel, dry, loose (topsoil) SP Tan SAND with occasional thin layers of silt, fine- grained, dry, loose to medium -dense Light brown SAND, fine- to medium - grained, dry to slightly moist, medium -dense Test.pit terminated at 11.5 feet below grade on 8 -1 -95. No groundwater encountered during excavation. No caving. GEOTECH CONSULTANTS, INC. TEST PIT LOGS 15208 - 52nd AVENUE SOUTH TUKWILA, WASHINGTON Job No: 95267 'Date: Logged by: Plate: IAUG 1995 DBG ! 4 1 10 15 10 15 4v JCCr V. y o `cam 'G °c USCS TEST PIT 5, Description Elevation ±84' Brown SAND with roots and some silt and gravel (topsoil) Light brown, gravelly SAND, fine- to medium - grained, dry, medium - dense ILO SP _- ,44 G° uscs Tan, sandy SILT, low plasticity, dry, stiff Gray/brown SAND, fine- to medium - grained, dry, medium -dense Test pit terminated at 11 feet below grade on 8 -1 -95. No groundwater encountered during excavation. No caving. TEST PIT 6 Topsoil Description Elevation ±68' Light brown SAND, fine - grained, dry, medium - dense. SP Gray and orange mottled. SILT, low plasticity, moist, stiff SP Gray SAND, fine- to medium - grained, moist to wet, medium -dense Test pit terminated at 12 feet below grade on 8 -1 -95. Minor groundwater encountered at 10.5 feet during excavation. No caving. - GEOTECH CONSULTANTS, INC. TEST PIT LOGS 15208 - 52nd AVENUE SOUTH TUKWILA, WASHINGTON Job No: 95267 'Date: Logged by: Plate: AUG 1995 I DBG I 6 10 15 e aQr o��c., cY uscs TEST PIT .7, Description Elevation ±76' Brown, silty SAND with roots (topsoil) SP Light brown SAND with trace gravel, fine - grained, dry, loose to medium - dense Gray, sandy SILT, low plasticity, moist, stiff Brown /gray SAND, fine- to medium - grained, moist, medium -dense Test pit terminated at 10.5 feet below grade on 8 -1 -95. No groundwater encountered during excavation. No caving. .�._ GEOTECH CONSULTANTS, INC. TEST PIT. LOGS 15208 - 52nd AVENUE SOUTH TUKWILA, WASHINGTON Job No: 95267 Date: Logged by: AUG 1995 DBG Plate: 6 .3 10 15 20 25 30 35 ,y t���� °l . .41s • BORING 1 uscs Description Elevation ±86' 5 13 16 10 51 50/4" Dark brown, slightly silty SAND with organics, moist, loose (topsoil and fill) SP SM Brown, slightly silty SAND, fine- to medium - grained, moist, loose - becomes grayish brown with iron stains and occasional gravel, medium -dense - becomes less silty, very moist - becomes wet and silty Black, silty SAND with occasional organics, fine- to inedium- grained, wet Grayish brown, silty SAND with gravel, moist, dense (glacial till) SP SM Brown, medium- to coarse - grained SAND with silt, wet, dense Test boring was terminated at 31 feet below grade on 7- 31 -95. Slight groundwater seepage was encountered at 20 feet during drilling. �._ GEOTECH CONSULTANTS, INC. TEST BORING LOG 15208 - 52nd AVENUE SOUTH TUKWILA, WASHINGTON Job No: 95267 Date: AUG 1995 Logged by: JHS Plate: S /ape bockfi // away from foundation. WASHED ROCK BACKF /L L See text for requirements. 6 "min. } NONWOVEN GEOTEXT /LE F/LTER FABR /C T /GHTL /NE. ROOF DRAIN Do not connect to footing drain. SLAB .e VN. j VAPOR BARR /ER 4 min. FREE - DRAINING SAND /GRAVEL 4" PERFORATED HARD PVC P /PE Invert at /east os /ow os fooling and /or crow / sooce. S /ope to drain. P /oce weepho /es downword. FOOTING DRAIN DETAIL 15208 - 52nd AVENUE SOUTH TUKWILA, WASHINGTON .%ob No.: 95287 Dote: AUG 1995 ',Scale: i N.T.S. Plate: I 8 TP-2 0 EXISTING 1 GARAG� 1 I \ i 1 EXISt1NG HOUSE - TP-1 0 1 ` LEGEND: \ 0 TP-3 \ \ \ EXISTING \ \ SHED \ \ r - -7 \ \ 1 1 \ I I L J \ 0TP -4 PROPOSED BUILDING \ \ SIB-!1 \ 1 fGROUND FLOOR ELEV +90• \\ 0 TP-6 LOWER PARKING ELEV ±70' \ IS APPROXIMATE TEST BORING LOCATION O APPROXIMATE TEST PIT LOCATION u \ TP-5 \\ 52nd AVENUE SOUTH 0 TP -7 GEOTECH CONSULTANTS SITE EXPLORATION PLAN 15208 - 52nd AVENUE SOUTH TUKWILA, WASHINGTON dt0. *o.: 95267 AUG 1995 SCI /o: N.T.S. Plate: 2 I. ALL BENTS ARE NORMAL OR RADIAL TO THE SB CONTROL LINE EXCEPT AS NOTED. 2. SEE TRACK. PLAN AND PROFILE DWGS FOR ALIGNMENT AND PROFILE DATA. 3. SEE OTHER DRAWINGS FOR OCS POLE LOCATIONS AND ANCHORAGE DETA I LS, WALKWAY DETAILS, RAILING AND BARRIER DETAILS AND OTHER WORK ATTACHED TO THE STRUCTURE. 4. UTILITIES NOT SHOWN. SEE COMPOSITE UTILITY PLANS FOR LOCATIONS AND DETAILS. LEGEND. �/. FIXED/PINNED BEARINGS // A 4 EXPANSION BEARINGS /1 Q'/ INTEGRAL BENT, NO BEAR I NGS / C•37 / 1% BORING LOCATION AND NUMBER 41.)...//./1 \ APPROXIMATE MIN VERT CLR. / O m i PLAN I N< m .� O .7,- ei i i O I I- l- 1mm� &J + • I 41�W ^ m ~n n - b , + fZ- m H j - NI PGL T/LR) m :m .. m � WVn H' _ ' �- y n � � �H TOP of GIRDER s tad I i : �, � �LT ,� �� - +` • F I ; 1 r 1 t h I I i Ec 4 11 1 j SPAN AAI j 3;, SPAN X3 E E j 1 BENT TYPE 1 GIR 5.5' TV/ BOX 8 TYPE I SPAN X4 N fA BENT TYPE 1 GIR 5.5' TW, BOX 51ST AVE S I }.• 8 COL BENT TYPE 3 / i lO ° • - a TYPE I { B' COL j SPAN SP I 8' COL ; ! GIR SPCL ! ./... � f f BENT TYPE '3 – SPCL — , J GIR`5.5' TW BOX / i .. 3 33 -. I BENT. TYPE 4 i , { t i.;, 6' COL SPAN Z I ; I I / 0 SPAN Y2 GIR SPCL SPAN Z2 1 ////11 id W 1 1 GIM as IVY BOA BENT TYPE 3 - SPCL— GIR SPCL { r �� i V � BENT TYPE 3 , – SPCL— i BENT TYPE 3 – SPCL --- I EXIST GA- O Q / / ! ^` _ I 52ND ; AVE S I AERIAL STRUCTURE 1 �� ( _ � S 154TH ST I I / - 1 41' ago � o ~o ,�--' -- im 'm -- i m ra m v m ON O•N O m a0 p ✓) / 0 N mid 01I� O;t t0:� t�N _•_ r ,— .h N�q )� .q• •7;* C• / O N T1n d+m Nam m N1� O7— O7— n — 01 — : mi— Ol —I I 01;— — — SB 730 +00 SB 732 +00 SB 734 +00 DEVELOPED ELEVAT I ON SB 736 +00 SB 738 +00 LINK LIGHT RAIL PROJECT SOUTH CORRIDOR Checked By: 0. RUDOLPH Approved By, I. GUSTETICH AERIAL STRUCTURE — GENERAL LAYOUT STA 58 729 +00 TO STA 58 740+00 el In •j-.. el 8 eery' BENT 111' CCM- ■ Z3 • • O m i PLAN I N< m .� O .7,- ei i i O I I- l- 1mm� &J + • I 41�W ^ m ~n n - b , + fZ- m H j - NI PGL T/LR) m :m .. m � WVn H' _ ' �- y n � � �H TOP of GIRDER s tad I i : �, � �LT ,� �� - +` • F I ; 1 r 1 t h I I i Ec 4 11 1 j SPAN AAI j 3;, SPAN X3 E E j 1 BENT TYPE 1 GIR 5.5' TV/ BOX 8 TYPE I SPAN X4 N fA BENT TYPE 1 GIR 5.5' TW, BOX 51ST AVE S I }.• 8 COL BENT TYPE 3 / i lO ° • - a TYPE I { B' COL j SPAN SP I 8' COL ; ! GIR SPCL ! ./... � f f BENT TYPE '3 – SPCL — , J GIR`5.5' TW BOX / i .. 3 33 -. I BENT. TYPE 4 i , { t i.;, 6' COL SPAN Z I ; I I / 0 SPAN Y2 GIR SPCL SPAN Z2 1 ////11 id W 1 1 GIM as IVY BOA BENT TYPE 3 - SPCL— GIR SPCL { r �� i V � BENT TYPE 3 , – SPCL— i BENT TYPE 3 – SPCL --- I EXIST GA- O Q / / ! ^` _ I 52ND ; AVE S I AERIAL STRUCTURE 1 �� ( _ � S 154TH ST I I / - 1 41' ago � o ~o ,�--' -- im 'm -- i m ra m v m ON O•N O m a0 p ✓) / 0 N mid 01I� O;t t0:� t�N _•_ r ,— .h N�q )� .q• •7;* C• / O N T1n d+m Nam m N1� O7— O7— n — 01 — : mi— Ol —I I 01;— — — SB 730 +00 SB 732 +00 SB 734 +00 DEVELOPED ELEVAT I ON SB 736 +00 SB 738 +00 LINK LIGHT RAIL PROJECT SOUTH CORRIDOR Checked By: 0. RUDOLPH Approved By, I. GUSTETICH AERIAL STRUCTURE — GENERAL LAYOUT STA 58 729 +00 TO STA 58 740+00