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HomeMy WebLinkAboutReport 1SEC. 7 & 18. T. 23N .• R. 5E .• W.M. cnrv OfF lRlENuON RENTON MUN~C~PAlo A~RPORT /CloAYTON SCOTT F~EloD TAXIWAY 8 SYSTEM REHABILITATION AIRPORT STAFF Airport Manager -Ryan Zulaul Assistant Airport Manager -Jonathan Wilson REID MIDDLETON Project Manager -Kurt AddicoH. PE Project Engineer -Randy Hall. PE Project Designer -Wade Brooks N<mS. 1,AR(.t Of" EI<llR£ PIIOI'(!ITY _ leg ACRES. 2. N!f;.O, Of" W'ORI\; PHoOSE: 1 .. It>4.700 SOIJ.I.RE F[(1' PHASE 2 _ 2J6,.,.~ SQIJ/oIl£ FllT 3. SOil TO BE 400E0. REUCM:D. OR RElOCATilI' F'!iO.S£ 1 .... ~ TONS OR 2.2~ CIJ8IC Y.l.RDS F'W.S( 2 z 17.0lI0 TONS OIl 6.700 CUSIC YOIOCS (f"QJRES kNCUJOC A coY9:NATION Of" OORROW "'TUIIAl. GAAVfl.. NQ ASPIW.T). 4, 'M'E AND LOCATlOH Of" FlU. ORiCI<, ANO OCSlINATlOH or IN< SOIL TO BE: MloICNEIl FI!OU sm WIJ. 81: DETtRVlNED NltR S£l£CTION Of ~ 8()O£lI: AND AIRFIELD SIGNAGE MODIFICATIONS FEDERAL AVIATION ADMINISTRATION AlP NO. 3-53-0055-024 OCTOBER 17. 2012 PERMIT NO. 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SI· Slit 200 E'lUl.bhillqlon'll\204 1\ ~15 W-lOl • "',-,-" ~ ± .. "" )1 ~'" .. M . fQ 23.31"" • ./ SEC. 7 & 18, T. 23N., R. 5E., W.M. C~uy O~ ~[E[N]uO[N RENTON MUN~C~PAL A~RPORT /CLAYTON SCOTT F~ELD TAXIWAY B SYSTEM REHABILITATION AIRPORT STAFF Airport Manager -Ryan Zulauf Assistant Airport Manager -Jonathan Wilson REID MIDDLETON Project Manager -Kurt Addicott, PE Project Engineer -Randy Hall, PE Project Designer -Wade Brooks City of Renton Planning Division OCT 1 8 ZO'll ~~~~~\\f~[Q) AND AIRFIELD SIGNAGE MODIFICATIONS FEDERAL A VIA llON AOMINISTRA llON AlP NO. 3-53-0055-024 OCTOBER 17. 2012 PERMIT NO. LUA 12-052 DRAINAGE CONTROL PLAN VICINITY MAP o;or TO $C\l£ LOCATIO,!!.,MAP HOT TC SHEET INDEX .8hut D •• crlDtlon cu.o COYER SHEET ""0 81'1ST INDEX 01.1 LEGENO IoND AllllMVlATI~' D1.1 TAXIWAY. DRAlNAClI COIOITJlOL PLAN 01.1 TAJa.AV. DlUJHAClI CONTIIOI. PlAN 01.' TAXIWAY' ORADlAU: ct)IoInIOL PlAN 01.. TAXIWAY. 0Il-'IN .... CONTlIOl PLAN 01.5 TAXIWAY. DRAINAGE CONTAOt. PlAN D1.1 TAXIWAY. 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'" o z CITY Of RENTON _ RENTON IoIUNICIPAL AIRPORT TAXIWAY B SYSTEM REHABIUTATION Tf.Y.rNAY 84 AND TAXIWAY 85 DRAINAGE CONTROL PLAN • ~ SEC. 7 & 18. T. 23N .• R. 5E .• W.M. cnrv OrP ~~!i\nl'O[N] RENTON MUN~C~PAL A~RPORT /CLAYTON SCOTT F~lELD TAXIWAY B SYSTEM REHABILITATION AIRPORT STAFF Airport Manager -Ryan Zulauf Assistant Airport Manager -Jonathan Wilson REID MIDDLETON Project Manager -Kurt Addicott, PE Project Engineer -Randy Hall, PE Project Designer -Wade Brook.s City of Renton Planning Division OCT 1 8 lUll ~~CC~~\v!~[Q) AND AIRFIELD SIGNAGE MODIFICATIONS FEDERAL AVIATION ADMINISTRATION AlP NO. 3-53-0055-024 OCTOBER 17, 2012 PERMIT NO. LUA 12-052 GENERAL UTILITIES PLAN SHEET INDEX Abut OIlCrlpUon 61.0 COV£ll IIH£ET -'NO aHEET INDeX Q1.1 LeGEND AND AllllREVlATlmlII U1.1 ToUIWAY • GENERAl. UTlUTIEI PLAN U1.l T.f.XIWAY I QEJlSUol. UlLITIU PLAN U1.$ T.t.XI""Y • G£NEIIAL UTlUTtEa PLAN U1.01 TAXIWAY I GENERAL UTlUTlU PLAN U1.8 TAXIWAY I eNSIAL ~ PLAN ut.. TAXIWAY. 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Cjh. f,., BEFORE YOU i J L,_.,~ 'y 0 "en'On ._ ~ •• ", ' " J -,~ P1ann,-0-y On C21 ' • .'-og M,;OO ",UM"" '0 ' • ._-•• ... .oo'" .~ ,'cO ..;., .. .. . ~ '" , • • ll",,= .. »_ 1YP!CA!JfCnON 40 50 60 -JUL _ 3 lOIZ ' .. _. ...oooo -::-__ ~::.._:~~ _______ _ ' . .. , ; ... .• • • • • • " , tmllt~IltU~i"'ry .. '" ""<Y 130 120 110 100 90 eo 25 " " 22 ". 25 " " 22 " 2. I ! l 1, I • • !- ~ , ~ , ; lJO 120 110 100 90 80 • > < , 10 60 50 .0 JO 10 60 50 '0 JO 20 10 o 10 20 TYPICAl SECTION -S1" 40+00 NOI TO sou: TYPICAl SECTION -S1" 44+2!t _ro~ 20 10 o 10 20 JO 40 50 60 10 rorsl'llfG - JO 40 . 50 60 10 eo 90 100 110 120 ... rcll t<lSlIHC ("STlN(; (;RAO£ City Of Renton Planning DiViSion 25 " " 22 " 25 " " " 2' 2. CALI. 48 HOUR. BlFORI! YOU DIG ._ .. ,JUL .. 3 2/J'12 110 120 PRELIMINARY NOT(c ~I ~~T~'.cc~r rr;; ~UPl/~ftJJ l'! ;~ H~ ~=l;;; ~.!;;; I~ :f ~ ~w Q a:: 9 §::I Vl 'w .~ ~ -~ ~ ! .. ~ .1< "~ o~ ~ ~:::." ~'? "" -I!H 2.2 ..... ! , ~ " I ~ } I ! f } t ~ CITY OF RENTON RENTON MUNiCIPAL AIRPORT /ClAYTON AIRPORT STAFF Airport Manager -Ryan Zulauf Assistant Airport Manager -Jonathan Wdson REID MIDDLETON Project Manager -Karla Kendall, PE Project Engineer -Mike Creeden, FE Project Designer -Wade Brooks NOTES: I. AR!").. or £mlIlE f'llOI'ERlY _ 169 ACRES 2. AAUIo Of" WORK, P><lSE 1 • 104.7{)O $Q1.INIf; fUT PHASE 2 _ 236.1145 SOli.OIlE FED" J SOIL TO Sf: AOOCO. RE ... O'IIUI. OR RUOCAT[D: PHASE 1 _ 4.D50 TONS OR 2.250 CUII1C yAROs PWoS[ 2 • 12.060 IONS OR 6.]00 C\/8IC YARDS (FIGURES INCLUDE ~ COIolB1N.O.TIOtI Of" __ .... TER1Al.. <::AA\iEl. ...ro ASPHALT). 4. J"<P[ N<O t.OCo.TION Of" ru. 0RIC1H. AND ocsnw.TIOtI or Ml"( SOIl 10 BE: IIE ... CM:O F~O>< srrt WA.L 8£ OCltR"'W[D AfT[R stU:CI1ON Of" succtSSF\1l BIDCIDI. TAXIWAY 8 SYSTEM REHABILITATION NORTH PORTION RECONSTRUCTION AND AIRFIELD SIGNAGE MODIFICATIONS FEDERAL AVIATION ADMINISTRATION AlP NO. PERMIT 3-53-0055-023 NO. 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Y • C(»flTIIUCTION PL.uI (. OF 5) T ... XIWAY • CON.TlNCTION PUH (II OF I) UGHTING V ... IA.T DETAILI ELECTlIICAL aVIlEr. OET ... IL8 £LECTAlC-"l aYaTEr. OETAI1..1 GalER ... TOR OETAtt.a WIND CONE DETA1L8 TAXlW ... Y "£AS1' CIRCUIT DI ... C!R ...... EXIITING ONE-lINE DI ... ORAM NEW ONE-1JNE DlAGR ... .. ICHEDUlEa m l.l4tb SImI 51· SW 200 E"III"eII, 1dJiDg!on 9a204 PIr:425 W-.lBOO + d@ m '-~ c ,- m I = ... ~ ~ = m ~ fQJ J.!~i~· I I l: ! CITY 01' ROOON -I!E)(T()N IIlINIaJ',Il AIRPOR'1 :0'". ' i? ! /Ii NORTH TAXIWAY B REHAB-AIRPORT SIGNAGE 1klIiI'[Q~' mm1m"'ml' 128 1:I4th Sbm SlI· ~ ZOO . 'H fiJI!! [vmtI,~!II!ro4 ¥ ~ • ~ ! ~ LEGEND AND ABBREVIATIONS Ph: m 141-.1BOO g;:q:... 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" -! i SURVEY CO",ROL AND LAYOUT PLAN .... ;:; I iA ' 12I!t:l4thSlrwtSl'Sik200 [¥IIdt.~!I82M Pb:.42514I-MI "1 ~UI! .' I ~. ~ TAXIW Y K" . ! • -~~ '\ -... ,~ "'.,.. to!t;;;lI ~"'I~ I • I I • • ~Z!~f ~I~~ , ~ I I , ~~ I '" I c ~ '< '" • .!. 0 ~nl~ ~ 1,· _ ~_ _ -1 __ _ I.4ATCHUNE -SEE BROW \ E ;0 ~ > ;1 i i ~ "' .. , ;" n .S' f .! g; I . ! b i I I • 11 a ~d , ! ~ii ! Ii U· g ~ " i i , ~ .' r 1)0 ~~ , -; '-g~ c: , ·Il ,--. ::;, , -, 0 :;: :;: ... c5 .... ! ~ 0::0 ;::;J <' (b iii' ;::, " . " • - ~ I:~IKI;I a u~ • r ~II § ! d I h'i ~ II'; (1 ~~i c i g i-i 'W ~ Iq~!, • I ~~ ,~ II • I hi I ~! ~i~ I !. ~I ~! I'i' I a!' III! ~I i~ ~ i~g ~;I II i~!' 5 '!i ; i~ !; lli~ II ~i i~ j' I i ,I .~ I ~Il: ~ ~ ". , ~ I ~ i I I l CITY or RENTON _ ROOON IoIUNICIPAL AllPORT ~~. f ~ 110 NORTH TAAIWAY B REHAB-AIRPORT SIGNAGE ~ ~ . ! ~ SAFETY AND PHASING PLAN §~I:;:'<> PHASE 1 ml:WIhSlr!d.SI·~1OO ['mil. Ia5hi9m 952Il4 Pk ~2S lit-lUI , I I , • I ,. I , I I I, , ' I, , I :1 ~! : ; 1 I I I CITY Of ROmlN _ RENTON WUNICFAI. NRPORT :;: 1!! ~ 12 ~ ~. ~O~RTH:..::...::TAX:::IW:;::AY:;-:B=R~EHAB=-";;;;R--;;PO;-:RT;-SI_GNAGIE ~ ~ • G) ! ~ SAfETY AND PHASING PLAN §;;;I~I PHASE 2 -Reid -!tl[fi~on 128 1341h SIred 51, Suite 200 [-.v:dl~9I!2IM PII: 425 m-YDJ I' , , , ! i I: " " • . " " • lsi ~i~ 1m i I~ ! -Ii ~i' S fi I , e i ; • • i . ~ • , 'ij' ~ !~i ! ; ~ ~~ ,I ! i 5 i ! I ~! ~! dnn! ~;( a~' ~a I. ~ "g I .~ ,i .1 1 I 'i'~;;! "! I !! ; i~ ~. a ~. . .! >~ _ i 'I ! j" ~ , . ~J.'~ll aTYorR£NTtltl-RO/TllNIIlINIC1PAL,t,iRPORT ~ ! i! ~ lh NORTH TAXIWAY 8 REHAB-AIRPORT SIGNAGE :. ~ ~ ~ SAF"ETY AND PHASING PLAN ;;;1 en ~s PHASE 3 I I I I I "o.}'''' ~1 ; , , I ! CITY Of RDlTON -RENTON MUNIOf>AL AIRPORT ~ } ~ 1ti ~ NORTH TAXIWAY B REHAB-AIRPORT SIGNAGE : . ~ ~ I PROJECT SAFETY SIGNAGE PHASING PlAN .,q :... J 728 U41bSlred sw'Stm 200 Ed~9IlXK I'll: i25 741-J/lKI "I', " ~I\ I, :<-, ROOON WUNICIPAL AIRPORT JI I P q 1 em Of ROOON.-REHAB AIRPORT SIGNAGE t;:"!!' ~ ~:l NORTH TA:XIWAY f'" IOl I! STAGING. T~C ~~~~~lI.~D " :-" i SAFETY NO " , , , , , , !J z I I" ~ ~ I I I;: ;0 l l a ell ~ ", , '" , 0, , Z, , sa ~I : ~ I ' , Z, , ~, , 0' , m' , ~, , "', , r, , , , , , , -- Reid i~(!lgton mll4lllstredSl·Su1t1OO bsell, rostmgtoo 98204 PI\; 4Zi74HBOO ". , ~ , , --'!:<.--- = \~ ! as-----tl ., REmON WUNIOPAL AIRPORT Jl .. ..t ; I J f f CITY OFW""""AV 8-REHAB-AIRPORT SIGNACE tl i' '! 2 ifi /); NORTH TAXI" • • ON CONTROL PlAN ~ : ' ~ ~ ~ TEMPORARY EROSI 1, I' , \ , , , -----'----8~--~-~---- -----.-----i-----i---- na 1~IbSIJ~SI-SW»J Ed, WosMj.on 98204 1'b;~2514H!0l oal>&/7011 l1'J> .... l\7J\1010\OO7 0 .. "", """'""\IloaIon\I • ...,. e ...,.\JOO7~,2_ n ;~ ~-,-I; ,0 :"1 0" ~~ £ n X ~ ~~ '" §:~ !'" ~ ~I !~ ~I ,!'l ~ !i ~~ jil ."" '" " II " ,i~ ~ ;~ :d ~ • ~! iI ! 0 Jib ~ ~ ~I! ~E r ~ ,~ §~ ~ r t !r :! -I I i ~~ II I ': II ~I , ii 0 !";. '" !" :- ~ ~ U' ~! • ~ In ~i P i~ ~! ! ,. ~ ~ § I~ ~ I! ~. .1 PH :1 ,! ! ~ j. I E~ ~ " a i . i~ i"l !! H;; -8 ' I, ~ ~ ~~! ~ :i ~ ." -. , Hi , ~ ! i ~i ~ ~ ~ ! • , ~ I , , , !!~ ~ I 'l i em' Of RENTON -ftENTON WUNDPAL MIf'a{T ~ ,~ l; NORTH TAAIWAY 8 REHAB-AIRPORT SIGNAGE ~ • ~ ~ PAVEMENT REMOVAL AND DEMOLITION PLAN • Reid-idilleto~~ 72!1U4thSt!!dSl'~200 [1f!dl.~98204 Ph: 425 W-J&O " ,~ ~ ,", :~ , ~ ,~ , , 12l! l~IIIS1redSl·~700 (itrdt, Waftw;Ioo 982114 PIt 425 741-.l8OO ~~ ; , If! CIlY Of RENTON _ R[NTON IIUNlClPAl AIRPORT ill !! ill :3 ~ NORTH TI\I..IWAY B REHAB-AIRPORT SIGNAGE :. ~ ~ S TAArNAY B PLAN & PROFILE ;;; J 1-..> ,8 ml14'Sb.tSf-Su'le2IXI E.erdt. WosIWiqIQn!/B2M P\!:42514!-lDJ I~ ~i i , I I ! CITY or IIOOON -ROO1)H WUNICIPA!. .oW'CIIIT \! z ! I 3 t; NORTH TAXIWAY B REHAB-AIRPORT SIGNAGE ~~"'()I~ ~ ~ ! L: j e T1iJ(rNAY B PLAN & PROFILE ...... _---- 1281~1bStrtelSll'·S!Jilf200 [d~g Ft.: .15141-Ml '! L~ • t , I ! CITY or RENTON _ REmON WUNlCPAL AlRPOIIT Y !i '13 ~ NORTH TAXIWAY B REHAB-AIRPORT SIGNAGE ,-t :. ..... ! ~ TAXIWAY B PLAN &: PROFlLE ...... I:'" , m l}1H,streel.SlI·Su~e200 [",,1:11, Was/ln;loo 982G( PIt 425 W-Jm ( , L w:~ -'::""'.rrii~'--- --- " - II tI ~~ TAXIWAY 8 PLAN '" PROFILE / mn4~SlI!ttSll·!'de200 [1mtI, WosIi¢wt M204 Plr42!iW-JI'lXI '-, • • . " I§ II~ li~ I§;i; ,; m Ie .~·l. 11 'e! ~ "i~· ., ~! e I~ !I i' I~ ',. 1.1! II .' ,. '~i' 'Uo OJ -. ",0< '" s' 0 co .... 0:0 ,,' C!) 1/ ;-. ::J .... , ... ,..... , 0 ;:, PAVING SECTIONS AND DETAILS ;~ ,~ I~ -<i i~i~ "P'Te-li §'~ , i5-<! I ... ~5 I I '-I 0 9§-S r+!; En e!S ;w , , ' , ... : .1 ! ~ e'j ~ !~ , , !~ , ! ~ §" , 2~ , z , ~ , " I ~ , ~ : ' ~ , ~~ g ~ , , , , 0 , 0 , z ~Ll!---, z , ~I , :~ " , , S' " ~; , -< • ....J.>,.-L-• .. i . 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JoCCoRDINCLY. ~ ~~ lt~ ~li< -"" ~~; w J .'" ~tr ~~ "'" ." >, U '", , Om ~ ~ ~ u !i i!; ~ ~!i ''''1 ~ 5~ ~ ~ -.. "iiii C2.1 ~£2B.2ll1~ ::t 23_:1010-007 ! f I ! ~ ~ '''120 110 100 -.= " .. ,,120 .. , 110, 90 . 80 ., '70' 60 .. 70 .. 60 50 40 .~­" ..... TEI<UrI.. (P_151). 30" 20 o 20 '30 40 "so" 60 '-.·~T""~ :lYPlCAL SECTION -STA 34+35 TO STA 37+88 NOT TO SCAlE L-",:eRU$>tW ~/1101&.~ lYPlCAt. :SECDON STA 1:.3+38 4 TO SIA 45+35 ~ro~ 70 80 90 100 110 120 ASPfW.T:fWlP ~ 'c" 'Ct·_'.t.O ' •. CALL 48 HOUR8 . tty 0" • . BEFORE YOU .,. PlilT;~in' r ... ' .. ~i'''O''''''''' ••• .. ,40 , .. 30 .. 2.0 "",.10 .... O. .10" 20 .. , 30 . «> . ?, nil/I . 50" ... 60 ..... 70 ... ,,80, 90. OO"' ... ,j:QOn NOTE: ~ ~~'IX~'&r ~ LUll fRr fE rt::fED~fE [Q) ~ ~i • lj~ ~i~ ~-~ ~ I~I I ,,0 '" ~~ U) .1 U '" , ::: ~ " ! I: ·i!I~ 5: ~ s:1 ~ AS NOl[Jl -d -d -" . 2.2 =1M: 18 2012 ~ 2'_2010-001 o !!: .. ~ .. 0" o 0" !!: ... ~ . l·~· • • • ........ : .......... : ....... A .. If ~~ • ! J J f em or ROO'ON -ROOON MUMCIPAL .... RPORT ~ '" ~ iii ~ NORTH TAXIWAY B REHAB-AIRPORT SIGNAGE ! : 'I ~ "! 8 TYPICAL TAAIWAY CROSS SECTIONS ,-'" nB 1l4'dlSlrm 51· s.. 200 [mil, 'om;Im 9!204 Pit i25 741-3800 g" .... ~: .... g • ... . g: • .. is ..~. ··tl. '''0: "'0' . ·Cl ...... .... . ..g: 8 o .......... '" o r 00 _ 00 PIPE ZONE It i~ ; , , • ~ CITY Of RENTON -ROOOH I.M'OCIPAL AIRPORT ~ '" "Ii! 15 ~ ORTH TAXIWAY 8 REHAB-AIRPORT SIGNAGE "-.; . 8 ! ~ DRAINAGE DETAILS §;:;! ~ ,0 ~!~!'!~ !g!~ . i ! ~~ -j " ::'ii!~~ ~-.s,~·i :iei~' q , . F I ~ ,. I' ~ § 0 z " "" 00 ml.14rnStreelSW·Sl.ite200 £..m.~911204 Ft 125 741-.'Bl} ,. "'" i~~i II;, U U! , ," ", §, .~ i· i II :; i· ! ~~i:~~11 ! ~gl • P: Ip~ I I!~ el 0 ~. q "~ ~~ ci ~ ~ " ~ m ~ ! !- E~ ~ , § ~ ~ ,. ~ ~ a ~ r==~ ~ ,-, ' ,.( I"j ~ ;:: ----o -7-'-, 0 .~ !" I~~I ~" g il: ' !' !. ~! ,~ , ~, • z :"'~: , sqi g! 0 "i' ~ ~ ", r ! '1:!!1 ; , I ! l CITY Of RDmlN -REKfOM IoIlJNICI>AI.. M!PORT r ~ ~ 12 $ ;:; NORTH TAXtNAY B REHAB-AIRPORT SIGNAGE '" i' . 8 I ~ DRfoJNAGE DETAJl.S .... .: IN J n ~ - q 1'1 £ n ~ ~ " ~ m E'" q ! ~ '" ~ ~ m ~ 0 Z ---~ - Reid t~~leton na lWJ1 hi $I. s.m 2111 Emell,lIllhirojton982G4 Ph:4ZS741-J&» ~~! iii H ~~ It , , ~:~ , o~ i i i .1 ~'l' • • jot: , i G , , , , , DRAINAGE DETAILS o ~ ~ ~ ~ !I~ , , ; : ;i E~ i ~ \ ". 0; j......lL. 1,\ 128 U4':11 She!. sr· Siit XlI [mtt.'~91!204 Ph:i251il • .llm ~E~' . ~. -~~! ~.I i' - I!e ~~ ~~~ i~! ~i ~! ! j! i .~ ~! ," H ~ ~. ~- ~~ ~ i , , , ! i l f ~ ! ~ -r.o.xr;;;y SURf'ACE 00USlE 1'EWlW PMflID IJIES 6" IIIIOC '11/ 6" SP>ClNG BEl'II[!N [J;[S, INSIDE LINE IS J'tllNC 0ASHr0 S1Ilf'ES 'IIIlH 3' ~ ~ , I j ~ • I m I m ~~ ~~ " "' Ii NON-UOVEMENT AREA BOUNDARY MARKINGS ~T TOsc.ou: , r SCUD YIUDW PAWTEll lINE 6" WIll[ TAXIWAY CENTERUNE MARKINGS IfOT TO sc.ou: N:fWE r.o;mlAY -~ COIfflHUOVS WJalE ~,­ UII£S ~" WIOC WI 0" SPlICING ~"~ ! , i ! i ! • § M:mE T..-mIAY -~ I I>I$ED OOUIll£ VEIJ.OW PAiNlID UNES '" IIftDE '1// 6" Sl'JCIIoIC B£IWEDI lINES WITH 15' UlNG 0ASI£Il SfR1P{S WITH 25' CN'S ! • i I ! 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J; ~ ~~ l , J J I roy Of' REKTON -REJmlN WUNDPoIl ,ljR!'OR1 '" !! ~ ~ a: NORTH Tl'J<lWAY B REHAB-AIRPORT StGNAGE ~. ~ ! ~ GENERATOR AREA LAYOUT PlAN ;;; J i-.J ,eI -Fieid _ iddleton ~ 128 1:1(111 SIrlII\ sw· SI* 100 ['I!re!t,W~982(H PIt iZ5 741-:5800 2 3 4 5 6 7 8 9 10 II 12 13 14 IS CITY OF RENTON JAN 07 2013 RECEIVED CITY CLERK'S OFFICE BEFORE THE HEARING EXAMINER FOR THE CITY OF RENTON RE: Renton Municipal Airport Taxiway B Rehabilitation Project Special GradelFill Pennit LUAI2-052, ECF, SP ) ) ) ) ) ) ) ) ) Summary FINAL DECISION 16 The Applicant has applied for a Special Pennit for GradelFill for the rehabilitation of 341 ,065 square feet of Taxiway B of the Renton Municipal Airport. The rehabilitation project would include new stonn drainage, pavement, striping, directional safety signage, taxiway edge lighting, and replacement of a water main. The penn it is approved with conditions. 17 18 19 20 21 22 23 Testimony Vanessa Dolbee, Renton Senior Planner, stated that the application is for a grade-and-fill pennit to remodel an airport taxiway. The project is located at Renton Municipal Airport (616 West Perimeter Road). The application proposes reconstruction of the airport's east taxiway, which services the main runway. The airport is located in Renton's industrial-medium zone, and the project site is 7.84 acres. The overall airport site is 167.3 acres. No changes to existing structures will be made. The project is broken into two phases. The first phase is exempt from the special grade-and-fill pennit per 24 Renton Municipal Code (RMC) 4-9-080©(6). However, phase 2 does require a special grade-and- fill pennit. Additionally, a shoreline exemption is required because an area ofthe project is located in the Shoreline High Intensity Designation along the Cedar River (reach A). The closest point of work 25 for the project is approximately 64ft from the flood wall of the river. The flood wall is estimated to 26 be the ordinary high water mark for the area. A shoreline exemption is requested for nonnal SPECIAL GRADEIFILL PERMIT - 1 I 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 maintenance and repair. Overall, phase 2 requires 6,700 cubic yards of gravel, import borrow material, top soil, and new asphalt. The project increases the impervious surface area by 8/10 of one percent over the existing 234,700 sq ft of impervious surface. Phase 2 includes new storm drainage, pavement, taxiway edge lighting, striping, directional safety signage, and a water main replacement. According to Ms. Dolbee, on November 19, 2012, an environmental review produced a determination of non-significance with two mitigation measures. A 14-day appeal period commenced on November 19 th , and no appeals were filed. No members of the public or agencies commented on the project. According to Renton Code, the hearing examiner needs to consider the traffic volumes and patterns that will be affected by the project. Construction will occur Monday through Friday from 7am-6pm. Hauling routes will occur from Airport Way S to Rainier Avenue. The applicant indicated that the number and frequency of vehicle trips would not significantly affect public streets. There are no screening or fencing requirements in the city's development standards for this site, but the airport does already have a fence. The project will comply with all FAA regulations. Dust control will be provided during construction through the use of water or other methods as approved by the King County Water Surface Manual. Noise levels due to construction will not rise above noises heard at the airport on a regular basis, and the completed project will not raise noise levels from their current state. The applicant submitted a surface water report for both phases of the project which were prepared by Reid Middleton. An upgraded surface water management facility is included as part of the project. Stormwater discharge will continue to flow towards the Cedar River. The permit is a one-time, project-specific permit for a limited period. Staff recommends approval of the permit. All best management recommendations will be made during the building permit process. Jonathan Wilson, Assistant Airport Manager, testified that he is project manager for the construction. He thanked city staff for preparing the detailed report on the project. In response to questions from the Examiner, Kurt Addicott, Reid Middleton Engineer Inc., stated that a significant amount of asphalt and rock will be hauled for this project. One truck brings in roughly 30-40 cubic yards of material. The total amount of material for the project is 6,700 cubic yards (approximately 200 truck loads). The haul route goes up Rainier A venue to reach the north entrance of the airport. Rainier Avenue hosts primarily businesses, but there are some residences along the northern part of the road. The project managers anticipate construction lasting 63 days. Truck hauling will occur throughout this entire period. The Cedar River water quality will not be decreased due to runoff associated with the project. Ms. Dolbee noted that the construction hours in the application were proposed by the applicant, but these hours comply with Renton Code. The zoning along Rainier Avenue and Airport Way is commercial arterial zoning, typically. There are a few multi-family residences in the vicinity, however. Kayren Kittrick, Development Services Supervisor, added that the haul routes and any traffic control plans will be approved prior to the issue of construction permits. The proposed construction hours are within Renton's construction hour limits. During the permit process, the Community and Economic Development Department has the ability to limit construction hours. SPECIAL GRADE/FILL PERMIT - 2 2 3 4 5 6 7 8 9 Exhibits Exhibits I-IS of the exhibits identified at Page 2 of the staff report were all admitted into the record with no objections from the public. The following exhibit was admitted during the hearing: Exhibit 16: Staff power point. FINDINGS OF FACT I. Applicant. Renton Municipal Airport. 10 2. Hearing. A hearing was held on December 18, 2012 at I :00 pm at the Renton City Hall City Council Meeting Chambers. II 12 13 14 15 16 17 18 19 Substantive: 3. Description of Proposal. The Applicant is requesting a special grade and fill permit for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase I consists of rehabilitation of the north portion of Taxiway B which is exempt from a special grade and fill permit. Pursuant to RMC 4-9-080(C)(6). Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a special grade and fill permit, which is included in the application. Both Phase I and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. The Renton Municipal Airport is 167.38 acres, however the specific project area is approximately 20 7.84 acres for both Phase I and 2 of the taxiway rehabilitation. 21 22 23 24 25 26 The overall project consists of four parts, taxiway rehabilitation/reconstruction, storm drain lines and hydrant water lines rehabilitation, taxiway designation system modifications, and taxiway edge lighting modifications. a. Taxiway RehabilitationlReconstruction: Rehabilitation of the existing east side taxiway system pavements, including the taxiway connections to the runway from Taxiway 'N' at the north and to the south connection at Runway 34. It is anticipated that the pavement rehabilitation/reconstruction could employ various partial depth or full depth reconstruction methods including hot mix asphalt SPECIAL GRADEIFILL PERMIT - 3 1 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20 21 22 23 24 25 b. c. d. section reconstruction, reconstruction utilizing Portland Cement Concrete, and milling of the existing asphalt pavement surface followed by re-paving of new asphalt surface. Storm Drain Lines and Hydrant Water Line Rehabilitation: This would include replacing several failing concrete storm drain lines with ductile iron that cross Taxiway B and K. A portion of an existing water line in the vicinity of the south end of the project site would be evaluated for likely replacement as part of Phase 2. Surface grades and associated drainage efficiency within turf infield areas between Taxiway B and Runway 34 will be evaluated. These areas may require re-grading to alleviate existing stormwater ponding issues. New drainage structures would be constructed to facilitate capture of stormwater from re- contoured pavement and turf areas. Taxiway Designation System Modifications: A new taxiway designation system would be developed and the existing airfield signage system would be modified as necessary to reflect the new designations. The existing designations that include designators such as G, H, N, etc., are proposed to be changed to AI, A2, BI, B2 etc. This change would result in a need for new signage, including sign hardware and concrete foundations. Taxiway Edge Lighting Modifications: Taxiway edge lighting is proposed to be adjusted or replaced as necessary to be compatible with new pavement surfaces that result from the taxiway rehabilitation /reconstruction. 4. Surrounding Area. The subject site is bordered: on the north by Lake Washington, on the east by the Cedar River, and to the south and west primarily by commercial development. 5. Adverse Impacts. There are no significant adverse impacts associated with the proposal. Pertinent impacts are addressed in more detail below: Noise. The greatest issue of concern is noise. As testified by the project engineer, the proposal will involve over 200 trucks carrying fill over a 63 day period. Part of the truck haul route will involve areas with multi-family housing along Rainier Avenue and Airport Way. Haul hours are limited by the MDNS between 8:30 am and 3:30 pm Monday through Friday unless otherwise approved by the Development Services Division. Construction hours overall are limited by the MDNS to 7:00 am to 8:00 pm, Monday through Friday and 9:00 am and 8:00 pm on Saturdays. City staff testified that the haul route and noise impacts will be evaluated and addressed during administrative permit review of the proposal. The conditions of approval will impose a noise monitoring program to ensure that noise mitigation measures adequately protect City residents from construction noise impacts. Drainage. Stormwater impacts will be negligible and are fully addressed by the City's stormwater 26 regulations and the Applicant's drainage control plan and TIR., Ex. 7 and II. Phase 2 would SPECIAL GRADE/FILL PERMIT - 4 I 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 result in an increase in impervious surface coverage by eight-tenths of one percent over the existing 234,700 square feet of existing impervious surface area. The Applicant has proposed to upgrade the existing surface water drainage facilities with a combination of wet biofiltration swales, filter strips, catch basins, DIP, and high-density polyethylene (HOPE) pipe. The provided TIR has indicated that along the eastern side of the taxiway crown, surface water would typically be collected and conveyed through catch basins and sent to the western side of the taxiway, within the grass infield area. These concentrated flows would be discharged into a flow splitter device for water quality measures. Water quality for the concentrated flows would be conveyed through a wet biofiltration swale. The TIR identifies that the swale would be designed to meet the King County Service Water Design Manual (KCSWDM) basic treatment criterion of removing 80 percent of the total suspended solids. After leaving the biofiltration swale the stormwater is proposed to be collected in a catch basin and diverted toward the east through a series of surface wllter facilities and finally discharge to the Cedar River. The TIR describes the stormwater proposal for the western side of the taxiway crown as all nonconcentrated flows which would be treated by filter strips, which would then be conveyed to catch basins where the water would combine with the treated flow from the wet biofiltattion swale. Overall the project would not change the stormwater discharge locations as it currently exists today. Section 2 of the TIR identifies that the project would use Best Management Practices (BMPs) for flow control and would install such measure in accordance with the requirements of the KCSWDM. Furthermore a Stormwater Pollution Prevention Plan (SWPPP) for the construction activities would be developed as a part of the overall project. Dust. In the Technical Information Report (TIR) it is identified that the contractor shall control dust to prevent sediment transport from exposed, dry surfaces to the adjacent waterways. It is anticipated that the Contractor would use water for dust control; however the KCSWDM permits the use of other methods to control dust. Critical Areas. There are no critical areas on site. The project is within 200 feet of the Cedar River but is exempt from requiring a shoreline substantial development permit. Screening and Landscaping. No screening or fencing is required by the City of Renton Development Standards for the Airport Use. However, the Airport currently maintains a perimeter fence and ground cover landscaping in any area not covered by impervious surfaces. Airport operations and regulations are determined by the Federal Aviation Administration (FAA), which includes recommendation on Building Restriction Lines (BRL) i.e. Setbacks. Pursuant to the FAA Advisory Circular/150_5300_13a BRL should be set beyond the Runway Protection zones, the Object Free Zones, the Object Free Areas, the runway visibility zone, etc... The project would comply with all FAA regulations. The closest point of work to the Ordinary High Water Mark (OHWM) of the Cedar River is 64 feet from the flood wall (which is estimated to be the approximate location of the OHWM). Approximately 430 feet of the north end of Taxiway B lies within the 200 foot Shoreline SPECIAL GRADE/FILL PERMIT - 5 J 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Jurisdiction. Under current conditions the taxiway functions effectively with the existing fencing, landscaping and setbacks. The rehabilitation project would not result in any changes to the existing screening, landscaping, fencing and setback conditions at the subject site. Conclusions of Law Procedural: 1. Authoritv of Hearing Examiner. RMC 4-9-080(F)(J)(a) provides that the hearing examiner is responsible for granting special permits for fill and grade for grading and/or excavation involving more than 500 cubic yards of minerals or materials. Phase 2 of the proposal involves more than 500 cubic yards of grading and excavation. Substantive: 2. Applicable Standards. RMC 4-9-080(F)( 4) governs the criteria for special fill/grade permits. Applicable criteria are quoted below in italics and applied through corresponding conclusions of law. RMC 4-9-080(F)(4): To grant a special permit, the Hearing Examiner shall make a determination that.. the proposed activity would not be unreasonably detrimental to the surrounding area. The Hearing Examiner shall consider, but is not limited to, the following: 3. i. Size and location of the activity. ii. Traffic volume and patterns. iii. Screening, landscaping, fencing and setbacks. iv. Unsightliness, noise and dust. v. Surface drainage. vi. The length of time the application of an existing operation has to comply with nonsafety provisions of this Title. As determined in Finding of Fact No.5, there are no significant adverse impacts associated with the proposal, which would include unreasonably detrimental impacts to the surrounding area. The proposal involves rehabilitation of an existing airport facility with no permanent operational impacts to adjoining parcels. The proposal does not create any need for additional SPECIAL GRADE/FILL PERMIT - 6 2 3 4 5 6 7 screening or landscaping nor is any screening or landscaping required by Renton regulations. A negligible amount of impervious surface will be added by the proposal and as discussed in FOF No.5 the City's stormwater regulations and proposed drainage improvements are more than adequate to mitigate any drainage issues created by the proposal. The most significant adverse impacts are arise from construction, in particular noise and dust caused by the hauling of materials and the on-site excavation and grading activities. These issues are addressed by limited hours of construction and the conditions of approval. DECISION 8 The special grade/fill permit is approved subject to the following conditions: 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 1. The Applicant shall report any complaints regarding noise to a person designated by City Staff and how the complaint was resolved within 24 hours of receipt. City staff shall monitor all complaints it receives from the Applicant and the public and shall restrict construction activities as reasonably necessary to mitigate anyon-going unreasonable noise impacts. 2. The Applicant shall comply with all measures recommended and/or proposed In the Technical Information Report, Ex. 11. DATED this 3rd day of January, 2012. ~LoL Phil A. Olbrechts City of Renton Hearing Examiner Appeal Right and Valuation Notices RMC 4-8-110(E)(9) and/or RMC 4-8-11 O(F)(I) provides that the final decision of the hearing examiner is final subject to appeal to the Renton City Council. RMC 4-8-110(E)(9) requires appeals of the hearing examiner's decision to be filed within fourteen (14) calendar days from the date of the hearing examiner's decision. A request for reconsideration to the hearing e examine; may also be filed within this 14 day appeal period as identified in RMC 4-8-11 0(E)(8) and RMC 4- 8-100(G)(4). A new fourteen (14) day appeal period shall commence upon the issuance of the SPECIAL GRADE/FILL PERMIT - 7 I 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 reconsideration. Additional information regarding the appeal process may be obtained from the City Clerk's Office, Renton City Hall-7th floor, (425) 430-6510. Affected property owners may request a change in valuation for property tax purposes notwithstanding any program of revaluation. SPECIAL GRADEIFILL PERMIT - 8 DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT PLANNING DIVISION CERTIFICATE OF EXEMPTION fROM SHORELINE SUBSTANTIAL DEVELOPMENT EVALUATION FORM & DECISION DATE: PROJECT NAME: PROJECT NUMBER: PROJECT MANAGER: OWNER/APPLICANT: CONTACT (if other than Owner): PROJECT LOCATION: January 3,2013 Project Name: Taxiway B Rehabilitation Project File Number: LUA12-052, ECF, SP, SME Vanessa Dolbee, Senior Planner Renton Municipal Airport, 616 West Perimeter Road, Unit A, Renton, WA 98057 Wendell Johnson, Reid Middleton, 728 134th Street, Suite 200, Everett, WA 98204 616 West Perimeter Road PROJECT DESCRIPTION: The applicantis requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay. The proposed project would be located at the Renton Municipal Airport at one of the two parallel taxiways serving the airport main runway. No work would occur outside the Airport site. Under current conditions the Airport is developed with a number of existing buildings, hangars, an air traffic control tower, office and fixed based operations and other airport related uses. The overall project consists of four parts, taxiway rehabilitation/reconstruction, storm drain lines and hydrant water lines rehabilitation, taxiway designation system modifications, and taxiway edge lighting modification. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway Band Phase 2 would rehabilitate the south end of Taxiway B. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both Phase 1 and 2 would require a Shoreline Exemption as both are located within 200 feet of the Ordinary High Water Mark (OHWM) of the Cedar River. The closest point of work is 64 feet from the flood wall which is estimated to be the approximate location of the OHWM. Phase 1 is antiCipated City of Renton Department of Communit r .... Economic Development Taxiway 8 Rehabilitation Project Certificate of Exempt,_ ,,'am Shoreline Substantial Development WAI2-0S2, ECF, SP, SME DATE OF PERMIT: January 3, 2013 Page 2 of 3 to begin construction during the spring and early summer of 2013 and Phase 2 is scheduled to be started in late summer and early fall of 2013 pending Federal Aviation Administration (FAA) funding constraints. Approximately 430 feet of the north end of Taxiway B lies within the 200 foot Shoreline Jurisdiction. The subject project has been identified as an essential public facility pursuant to the Administrator of the Department of Community and Economic Development. Therefore, the project would be exempt from buffers and setbacks pursuant to RMC 3-4-090D.7.d.vi. However, the project has designed and constructed the development to meet the specified dimensional standards to the maximum extent feasible. LEGAL DESCRIPTION: POR SECS 7 & 18-23-5 & POR TOBINS D C INCL POR PLAITED & VAC STS LY WLY OF COMM W W # 2 N OF N LN DIXIE AVE & ELY OF STATE HWAY # 5 & ELY & SLY OF FOLG LN BEG ON ELY MGN SD HWAY AT PT 5 FT S OF N LN OF LOT 8 BLK 18 BRYN MAWR TH E 89.23 FT TH N 05-16-51 E 438.90 FT TH N 40-09-47 E 188.55 FT TH N 60 FT TH N 29-00- 40 W 197.07 FT TH S 88-27-28 E 90.83 FT TH N 01- 32-32 W 40 FT TH S 88-27-28 E 234.53 FT TH S 35- 00-00 E 142.41 FT TH E 403.70 FT LESS LOTS 19 TO 22 INCL BLK 4 RENTON REAL ESTATE COS 1ST ADD LESS PORTION FOR LANE HANGAR CONDOMINIUM SEC-TWN-R: SEC-7 TWN-NE and NW 18 R 5E WATER BODY/WETLAND: Cedar River, Reach A An exemption from a Shoreline Management Substantial Development Permit is hereby granted on the proposed project in accordance with RMC 4-9-190C.3 Exemptions from Permit System and/or for the following reason(s}: Maintenance and Repair: Normal maintenance or repair of existing structures or developments, including damage by accident, fire or elements: a. "Normal maintenance" includes those usual acts to prevent a decline, lapse, or cessation from a lawfully established condition. b. "Normal repair" means to restore a development to a state comparable to its original condition, including but not limited to its size, shape, configuration, location and external appearance, within a reasonable period after decay or partial destruction, except where repair causes substantial adverse effects to the shoreline resource or environment. • City of Renton Department of Communh, ... Economic Development Taxiway B Rehabilitation Project DATE OF PERMIT: January 3,2013 Certificate of Exempt. • lorn Shoreline Substantial Development LUA12·052, ECF, SP, SME Page30f3 c. Replacement of a structure or development may be authorized as repair where such replacement is the common method of repair for the type of structure or development and the replacement structure or development is comparable to the original structure or development including, but not limited to, its size, shape, configuration, location and external appearance and the replacement does not cause substantial adverse effects to shoreline resources or environment The proposed development is consistent or inconsistent with (check one): CONSISTENT INCONSISTENT x N/A x DATE OF DECISION ON LAND USE ACTION: SIGNATURE: C,z.. C.E. "Chip" Vincent, Admini rotor Policies of the Shoreline Management Act. The guidelines of the Department of Ecology where no Master Program has been finally approved or adapted by the Department. The City of Renton Shoreline Master Program. 1/g/201$ Date ' Department of Community & Economic Development Attachments: Vicinity/Neighborhood Detail Map Site Plan cc: Owner/Applicant Contact City of Renton Official File • CA CAi ZONING MAP BOOK . PW TECHNICAL SERVICES PRINTED ON 11/13/09 G3 -19 T23N RSE E 112 JF3 ~ 11'1' '-:.-f L4,BOO 5318 18 T23N RSE E 112 · . -" I I Denis Law ~ayor . " , , Jariuary3, 2013 Wendell Johnson , Reid'Middleton 728 134'h Stre!'!t #200' Everett, WA9,8204 • ,City Clerk -Bon,nie I. Walton Re: , Reconsideration Decision forHenton M~nicipalAirportTaxiway B Rehabilitation Project LUA-12-018, ECF, PP . ' .. ,Dear Mr. John'son: ' Attached is your copy ofthe H~arini Examiner's Final Decision dated'January 3, 2013, inthe ' above-referenced,matter,' , '," ' If I,can provide further information,please feel frEieto contact'me, Sincerely,: ,Bonnie!. Walton' City Clerk Enc,:Hearing Examiner's Decision " cc:, Hearing Examiner, ' , , Vanessa Dolbee, Senior Planner Jennifer Henning,Current Planning Manager 'Ne'iI Watts, Devel~pment SerVice Director, Stacy Tucker, Development Services Renton Municipal Ai'rport; Owner , 1055 South Grady Way. Renton, Washington 98057 • (425) 430,6510/ Fax (425) 430-6516. rentonwa,goy 1 2 3 4 5 6 7 8 9 10 11 12 \3 14 15 BEFORE THE HEARING EXAMINER FOR THE CITY OF RENTON RE: Renton Municipal Airport Taxiway B Rehabilitation Project Special GradelFill Permit ) ) ) ) ) ) ) LUAI2-052, ECF, SP ) -----------------------------) Summary FINAL DECISION 16 The Applicant has applied for a Special Permit for Grade/Fill for the rehabilitation of 341 ,065 square feet of Taxiway B of the Renton Municipal Airport. The rehabilitation project would include new 17 storm drainage, pavement, striping, directional safety signage, taxiway edge lighting, and replacement of a water main. The permit is approved with conditions. 18 19 20 21 Testimony Vanessa Dolbee, Renton Senior Planner, stated that the application is for a grade-and-fill permit to remodel an airport taxiway. The project is located at Renton Municipal Airport (616 West Perimeter Road). The application proposes reconstruction of the airport's east taxiway, which services the 23 22 main runway. The airport is located in Renton's industrial-medium zone, and the project site is 7.84 acres. The overall airport site is 167.3 acres. No changes to existing structures will be made. The project is broken into two phases. The first phase is exempt from the special grade-and-fill permit per 24 Renton Municipal Code (RMC) 4-9-080©(6). However, phase 2 does require a special grade-and- fill permit. Additionally, a shoreline exemption is required because an area of the project is located in 25 the Shoreline High Intensity Designation along the Cedar River (reach A). The closest point of work for the project is approximately 64ft from the flood wall of the river. The flood wall is estimated to 26 be the ordinary high water mark for the area. A shoreline exemption is requested for normal SPECIAL GRADEIFILL PERMIT - 1 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 maintenance and repair. Overall, phase 2 requires 6,700 cubic yards of gravel, import borrow material, top soil, and new asphalt. The project increases the impervious surface area by 811 0 of one percent over the existing 234,700 sq ft of impervious surface. Phase 2 includes new storm drainage, pavement, taxiway edge lighting, striping, directional safety signage, and a water main replacement. According to Ms. Dolbee, on November 19, 2012, an environmental review produced a determination of non-significance with two mitigation measures. A 14-day appeal period commenced on November 191 \ and no appeals were filed. No members of the public or agencies commented on the project. According to Renton Code, the hearing examiner needs to consider the traffic volumes and patterns that will be affected by the project. Construction will occur Monday through Friday from 7am-6pm. Hauling routes will occur from Airport Way S to Rainier Avenue. The applicant indicated that the number and frequency of vehicle trips would not significantly affect public streets. There are no screening or fencing requirements in the city's development standards for this site, but the airport does already have a fence. The project will comply with all FAA regulations. Dust control will be provided during construction through the use of water or other methods as approved by the King County Water Surface Manual. Noise levels due to construction will not rise above noises heard at the airport on a regular basis, and the completed project will not raise noise levels from their current state. The applicant submitted a surface water report for both phases of the project which were prepared by Reid Middleton. An upgraded surface water management facility is included as part of the project. Storm water discharge will continue to flow towards the Cedar River. The permit is a one-time, project-specific permit for a limited period. Staff recommends approval of the permit. All best management recommendations will be made during the building permit process. Jonathan Wilson, Assistant Airport Manager, testified that he is project manager for the construction. He thanked city staff for preparing the detailed report on the project. In response to questions from the Examiner, Kurt Addicott, Reid Middleton Engineer Inc., stated that a significant amount of asphalt and rock will be hauled for this project. One truck brings in roughly 30-40 cubic yards of material. The total amount of material for the project is 6,700 cubic yards (approximately 200 truck loads). The haul route goes up Rainier Avenue to reach the north entrance of the airport. Rainier Avenue hosts primarily businesses, but there are some residences along the northern part of the road. The project managers "anticipate construction lasting 63' days. Truck hauling will occur throughout this entire period. The Cedar River water quality will not be decreased due to runoff associated with the project. Ms. Dolbee noted that the construction hours in the application were proposed by the applicant, but these hours comply with Renton Code. The zoning along Rainier Avenue and Airport Way is commercial arterial zoning, typically. There are a few multi-family residences in the vicinity, however. Kayren Kittrick, Development Services Supervisor, added that the haul routes and any traffic control plans will be approved prior to the issue of construction permits. The proposed construction hours are within Renton's construction hour limits. During the permit process, the Community and Economic Development Department has the ability to limit construction hours. SPECIAL GRADE/FILL PERMIT -2 I 2 3 4 5 -6 7 S 9 Exhibits Exhibits 1-15 of the exhibits identified at Page 2 of the staff report were all admitted into the record with no objections from the public. The following exhibit was admitted during the hearing: Exhibit 16: Staff power point. FINDINGS OF FACT 1. Applicant. Renton Municipal Airport. 10 2. Hearing. A hearing was held on December IS, 2012 at I :00 pm at the Renton City Hall City Council Meeting Chambers. II 12 13 14 15 16 17 IS 19 Substantive: 3. Description of Proposal. The Applicant is requesting a special grade and fill permit for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a special grade and fill permit. Pursuant to RMC 4-9-0S0(C)(6). Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a special grade and fill permit, which is included in the application. Both Phase I and 2 would include new storm drainage, pavement, striping, directional safety sign age and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. The Renton Municipal Airport is 167.3S acres, however the specific project area is approximately 20 7.S4 acres for both Phase I and 2 of the taxiway rehabilitation. 21 22 23 24 25 26 The overall project consists of four parts, taxiway rehabilitation/reconstruction, storm drain lines and hydrant water lines rehabilitation, taxiway designation system modifications, and taxiway edge lighting modifications. a. Taxiway Rehabilitation/Reconstruction: Rehabilitation of the existing east side taxiway system pavements, including the taxiway connections to the runway from Taxiway 'N' at the north and to the south connection at Runway 34. It is anticipated that the pavement rehabilitation/reconstruction could employ various partial depth or full depth reconstruction methods including hot mix asphalt SPECIAL GRADE/FILL PERMIT - 3 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20 21 22 23 24 25 b. c. d. section reconstruction, reconstruction utilizing Portland Cement Concrete, and milling of the existing asphalt pavement surface followed by re-paving of new asphalt surface. Storm Drain Lines and Hydrant Water Line Rehabilitation: This would include replacing several failing concrete storm drain lines with ductile iron that cross Taxiway 8 and K. A portion of an existing water line in the vicinity of the south end of the project site would be evaluated for likely replacement as part of Phase 2. Surface grades and associated drainage efficiency within turf infield areas between Taxiway 8 and Runway 34 will be evaluated. These areas may require re-grading to alleviate existing storm water ponding issues. New drainage structures would be constructed to facilitate capture of stormwater from re- contoured pavement and turf areas. Taxiway Designation System Modifications: A new taxiway designation system would be developed and the existing airfield signage system would be modified as necessary to reflect the new designations. The existing designations that include designators such as G, H, N, etc., are proposed to be changed to AI, A2, 81, 82 etc. This change would result in a need for new signage, including sign hardware ·and concrete foundations. Taxiway Edge Lighting Modifications: Taxiway edge lighting is proposed to be adjusted or replaced as necessary to be compatible with new pavement surfaces that result from the taxiway rehabilitation /reconstruction. 4. Surrounding Area. The subject site is bordered: on the north by Lake Washington, on the east by the Cedar River, and to the south and west primarily by commercial development. 5. Adverse Impacts. There are no significant adverse impacts associated with the proposal. Pertinent impacts are addressed in more detail below: Noise. The greatest issue of concern is noise. As testified by the project engineer, the proposal . will involve over 200 trucks carrying fill over a 63 day period. Part of the truck haul route will involve areas with multi-family housing along Rainier Avenue and Airport Way. Haul hours are limited by the MDNS between 8:30 am and 3:30 pm Monday through Friday unless otherwise approved by the Development Services Division. Construction hours overall are limited by the MDNS to 7:00 am to 8:00 pm, Monday through Friday and 9:00 am and 8:00 pm on Saturdays. City staff testified that the haul route and noise impacts will be evaluated and addressed during administrative permit review of the proposal. The conditions of approval will impose a noise monitoring program to ensure that noise mitigation measures adequately protect City residents from construction noise impacts. Drainage. Stormwater impacts will be negligible and are fully addressed by the City's stormwater 26 regulations and the Applicant's drainage control plan and TIR., Ex. 7 and II. Phase 2 would SPECIAL GRADE/FILL PERMIT -4 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 result in an increase in impervious surface coverage by eight-tenths of one percent over the existing 234,700 square feet of existing impervious surface area. The Applicant has proposed to upgrade the existing surface water drainage facilities with a combination of wet biofiltration swales, filter strips, catch basins, DIP, and high-density polyethylene (HDPE) pipe. The provided TIR has indicated that along the eastern side of the taxiway crown, surface water would typically be collected and conveyed through catch basins and sent to the western side of the taxiway, within the grass infield area. These concentrated flows would be discharged into a flow splitter device for water quality measures. Water quality for the concentrated flows would be conveyed through a wet biofiltration swale. The TIR identifies that the swale would be designed to meet the King County Service Water Design Manual (KCSWDM) basic treatment criterion of removing 80 percent of the total suspended solids. After leaving the biofiltration swale the stormwater is proposed to be collected in a catch basin and diverted toward the east through a series of surface water facilities and finally discharge to the Cedar River. The TIR describes the stormwater proposal for the western side of the taxiway crown as all non concentrated flows which would be treated by filter strips, which would then be conveyed to catch basins where the water would combine with the treated flow from the wet biofiltattion swale. Overall the project would not change the stormwater discharge locations as it currently exists today. Section 2 of the TIR identifies that the project would use Best Management Practices (BMPs) for flow control and would install such measure in accordance with the .requirements of the KCSWDM. Furthermore a Stormwater Pollution Prevention Plan (SWPPP) for the construction activities would be developed as a part ofthe overall project. Dust. In the Technical Information Report (TIR) it is identified that the contractor shall control dust to prevent sediment transport from exposed, dry surfaces to the adjacent waterways. It is anticipated that the Contractor would use water for dust control; however the KCSWDM permits the use of other methods to control dust. Critical Areas. There are no critical areas on site. The project is within 200 feet of the Cedar River but is exempt from requiring a shoreline substantial development permit. Screening and Landscaoinl?. No screening or fencing is required by the City of Renton Development Standards for the Airport Use. However, the Airport currently maintains a perimeter fence and ground cover landscaping in any area not covered by impervious surfaces. Airport operations and regulations are determined by the Federal Aviation Administration (FAA), which includes recommendation on Building Restriction Lines (BRL) i.e. Setbacks. Pursuant to the FAA Advisory Circular/ISO _5300 _13a BRL should be set beyond the Runway Protection zones, the Object Free Zones, the Object Free Areas, the runway visibility zone, etc... The project would comply with all FAA regulations. The closest point of work to the Ordinary High Water Mark (OHWM) of the Cedar River is 64 feet from the flood wall (which is estimated to be the approximate location of the OHWM). Approximately 430 feet of the north end of Taxiway B lies within the 200 foot Shoreline SPECIAL GRADEIFILL PERMIT - 5 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20· 21 22 23 24 25 26 Jurisdiction. Under current conditions the taxiway functions effectively with the existing fencing, landscaping and setbacks. The rehabilitation project would not result in any changes to the existing screening, landscaping, fencing and setback conditions at the subject site. Conclusions of Law Procedural: I. Authority of Hearing Examiner. RMC 4-9-080(F)(J)(a) provides that the hearing examiner is responsible for granting special pennits for fill and grade for grading and/or excavation involving more than 500 cubic yards of minerals or materials. Phase 2 of the proposal involves more than 500 cubic yards of grading and excavation. Substantive: 2. Applicable Standards. RMC 4-9-080(F)(4) governs the criteria for special fi11lgrade pennits. Applicable criteria are quoted below in italics and applied through corresponding conclusions of law. RMC 4-9-080(F)(4): To grant a special permit, the Hearing Examiner shall make a determination that .. the proposed activity would not be unreasonably detrimental to the surrounding area. The Hearing Examiner shall consider, but is not limited to, the following: 3. i. Size and location ofthe activity. ii. Traffic volume and patterns. iii. Screening, landscaping, fencing and setbacks. iv. Unsightliness, noise and dust. v. Surface drainage. vi. The length of time the application of an existing operation has to comply with nonsafety provisions of this Title. As detennined in Finding of Fact No.5, there are no significant adverse impacts associated with the proposal, wmch would include unreasonably detrimental impacts to the surrounding area. The proposal involves rehabilitation of an existing airport facility with no pennanent operational impacts to adjoining parcels. The proposal does not create any need for additional SPECIAL GRADE/FILL PERMIT - 6 2 3 4 5 6 7 8 9 10 II 12 13 14 screening or landscaping nor is any screening or landscaping required by Renton regulations. A negligible amount of impervious surface will be added by the proposal and as discussed in FOF No.5 the City's stormwater regulations and proposed drainage improvements are more than adequate to mitigate any drainage issues created by the proposal. The most significant adverse impacts are arise from construction, in particular noise and dust caused by the hauling of materials and the on-site excavation and grading activities. These issues are addressed by limited hours of construction and the conditions of approval. DECISION The special grade/fill permit is approved subject to the following conditions: I. The Applicant shall report any complaints regarding noise to a person designated by City Staff and how the complaint was resolved within 24 hours of receipt. City staff shall monitor all complaints it receives from the Applicant and the public and shall restrict construction activities as reasonably necessary to mitigate anyon-going unreasonable noise impacts. 2. The Applicant shall comply with all measures recommended and/or proposed m the Technical Information Report, Ex. II. 15 DATED this 3rd day of January, 2013. 16 17 18 19 20 21 22 23 24 25 26 \s \ Phil Olbrechts (Signed original in official file) Phil A. Olbrechts City of Renton Hearing Examiner AppeallRight and Valuation Notices RMC 4-8-11 0(E)(9) and/or RMC 4-8-11 O(F)(I) provides that the final decision of the hearing examiner is final subject to appeal to the Renton City Council. RMC 4-8-11 0(E)(9) requires appeals of the hearing examiner's decision to be filed within fourteen (14) calendar days from the date of the hearing examiner's decision. A request for reconsideration to the hearing e examiner may also be filed within this 14 day appeal period as identified in RMC 4-8-110(E)(8) and RMC 4- 8-IOO(G)(4). A new fourteen (14) day appeal period shall commence upon the issuance of the SPECIAL GRADEIFILL PERMIT - 7 I 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 reconsideration. Additional information regarding the appeal process may be obtained from the City Clerk's Office, Renton City Hall-7th floor, (425) 430-6510. Affected property owners may request a change in valuation for property tax purposes notwithstanding any program of revaluation. SPECIAL GRADE/FILL PERMIT - 8 January 3,2013 CERTIFICATE OF MAILING STATE OF WASHINGTON COUNTY OF KING ) ) § ) BONNIE I. WALTON, City Clerk for the City of Renton, being first duly sworn on oath, deposes and says that she is a citizen of the United States and a resident of the State of Washington, over the age of 21 and not a party to nor interested in this matter. That on the 3rd day of January, 2013, at the hour of 4:30 p.m. your affiant duly mailed and placed in the United States Post Office at Renton, King County, Washington, by first class mail to all parties of record the Final Decision from the Hearing Examiner in the Renton Municipal Airport Taxiway B Rehabilitation Project -Special Grade/Fill Permit (LUA-12-052, ECF, SME, SP). Bonnie I. Walton, City Clerk SUBSCRIBED AND SWORN TO BEFORE me this 3rd day of January, 2013. Cynthia R. oya Notary Public in and for the State of Washington, residing in Renton My Commission expires: 8/27/2014 >. 1-. ------ U@)MD~@)W [ID ~®[}u@)[Q)DDD~@)~D@ITU • [Pu@]®~~ Pub~k Hearing • Vallilessa 1D00~lbeep SelT11o(Q)r lP~anner December 18 2012 , \I) 0=1 F I=l !:O I=l :l: >< YJ , , .... . ... -... l • • REN~ AHEAD OF TUE CURVE . -~-:} .. -~. I "1 I! [ID[fO@l1 [Q)@~~[[OC0~O@[fi) o Renton Municipal Airport, 616 West Perimeter Road o At the east taxiway serving the airport • main runway. o 1M Zone o Site 167.38 ac, area of impact 7.84 acres • RENTON AHEAD OF THE CURVE l ~[JD®lI [Q)®~~[JDCQ)\1D@01l o No Changes to any of the existing structures o Two Phase Project: o Phase 1 -Exempt from a Special Grade & Fill Permit per RMC 4-9-080C.6 o Phase 2 -south end of Taxiway B, requires a Special Grade & Fill permit 1------------- ( ) • AHEAD OF TilE CURVE [ID[fo®11 [Q)®~~[fOC0~O@mJ o Located in Shoreline Jurisdiction o Cedar River, Reach A o Shoreline High Intensity D-!=; ~ _ . ..:1 , Closest point of work is 64 feet from the flood wa II which is estimated to be the approximate location of the OHWM o Shoreline Exemption Requested for Maintenance & Repair -- ( ) • ----- " ' rn3[JO@V [Q)®~~[JO[WUO@[{U ~@[{UUD o 6,700 cubic yards of gravel, import borrow material, topsoil and new asphalt would be required to be imported for Phase 2. o increase impervious surface by 8/10 of 1% over the existing 234,700 square feet of existing impervious surface area o Phase 2 would include new storm drainage, pavement, striping, directional safety signage, taxiway edge lighting, and water main replacement REN~ AHEAD OF TI-II~ CURVE ( • [ID[JD@l1 [Q)®~CG[JD[;Q)UD@[fU ~©[fUUD o On November 19, 2012, the ERC issued a DNS-M which induded 2 mitigation measures related to Geotechnical Recommendations and Cultural Resources. A 14-day appeal period commenced on November 19, 2012 and ended on December 14, 2012. No appeals were filed. o No public or agency comments were received . RENT~ AHEAD OF tilE CURVE l --··-1 I ~CQ)®~O@}O @[?@}@@ ~ CSOOO [F)@[?CfD'i)D~ &O'i)@}O~~O~ o S~le and locatio01l of the Activity~ ( ) 0 South end of Taxiway B • o 6,700 cubic yards of gravel, import borrow material, topsoil and new asphalt o ~ncrease impervious surface by 8/10 of 1% RENTON ABEAD OF THE CURVE ,-------- • • ~C0@~o@)D @[J@)@@ ~ [FoOD ~@[J[M)o11 &cru@)DW~o~ o Traffic Vo~umes and Patterns~ o Construction would occur Monday through Friday from 7 a.m. to 6 p.m. o Hauling route is likely to include Airport Way South west to Rainier Avenue South then south to Interstate 405 o The applicant has indicated that the number and frequency of additional vehicular trips attributable to the construction is not anticipated to significantly impact public streets providing access to the site o Airplane traffic that would normally use the subject portions of the taxiway being renovated would be directed to a safe alternate route at the Airport RENT~ AHEAD OF Til .. : CURVE ( ) • ~CID®~00JD@[?@)@® ~ l:PoDD ~®[?[JiJUO~ £ITU@)DW~o~ o Scclreening p lall1ldsccapill1lg p fenlCCBD1g & Setbacks~ o No screening or fencing is required by the City of Renton Development Standards o The Airport currently maintains a perimeter fence and ground cover landscaping in any area not covered by impervious surfaces o The project would comply with all FAA regulations o Under current conditions the taxiway functions effectively with the existing fencing, landscaping and setbacks, which are not proposed to change RENTON AHEAD OF TilE CURVE I . . ------ ( • ~C0@~D@}D @CfcID@@ ~ CSoDD [F)@crm:ruOlb &D'U@}D~~D~ o Unsight~inessp Noisep lDust~ o Temporary disturbance is anticipated, however areas disturbed will be restored o Dust control be will provided by the use of water or another method approved in the KCWDM o During construction, equipment operation would temporarily increase noise levels in the vicinity, however construction noise is not anticipated to be higher than airport operations noise . o The completed project would not change existing noise levels RENT~ AHEAD OF THE CURVE ) • -l ~[W®~O@)D @[?@)@® .. ~ CSoDD lP®Cf[{uuOlb &D'UCIDD~~o~ o Surface Water~ o TIR was submitted for both Phase 1 and 2, prepared by Reid Middleton. o Upgraded Surface water drainage facilities would include a combination of wet biofiltration swales, filter strips, catch basins, DIP, and high-density polyethylene pipe o Water quality would be provided by the wet biofiltration swales o Stormwater discharge would remain at the Cedar River o The TIR identifies BMP's for flow control and a Stormwater Pollution Prevention Plan RENT~ AHEAD OF THE CURVE I ---- ( ) • ~C0@~OCIDO @u@J@@ ~ [FoOD [P@u[J1{l)D~ &Ol)@)OW~o~ o Reuse of Site~ o Improvement of the existing taxiway for aviation use. o Transferability of Speda~ Permit: o This is a one-time project o Permit Expiration~ o This is a one-time project expected for summer and early fall of 2013 . RENT~ AHEAD OF THE CURVE ) • ---I ! ~@~@CilfU CilfU@O'UcQJ<ID'QD@O'U Staff recommends approval of the Speda~ Grade and IFm Permit forr ll"ax~way B lRehabmtatoon, lFile No. lUA12-([])S2, ECF, SP, SME. RENTON AHEAD OF THE CURVE NAME lAND USE HEARING SIGN-IN SHEET Taxiway B Rehabilitation Project /lUA12-052 PLEASE PRINT lEG~Bl Y --~ ADDRESS Phone # with oreo code (including City & Zip) (optionol) December 18, 20012, 1:30 p.m. Emoil (optional) , I CITY OF RENTON DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT MEMORANDUM Date: December 7, 2012 To: City Clerk's Office From: Stacy M Tucker Subject: Land Use File Closeout Please complete the following information to facilitate project closeout and indexing by the City Clerk's Office Project Name: Taxiway B Rehabilitation Project LUA (file) Number: LUA-12-052, ECF, SME, SP I Cross-References: AKA's: Project Manager: Vanessa Dolbee I Acceptance Date: July 24, 2012 Ii Applicant: Renton Municipal Airport I Owner: Same as applicant , Contact: Wendell Johnson, Reid Middleton ! PID Number: 0723059007 I ERC Approval Date: November 19, 2012 ERC Appeal Date: December 14, 2012 I Administrative Denial: II Appeal Period Ends: \2.I~hll.. ! Public Hearing Date: I Date Appealed to HEX: I By Whom: HEX Decision: Date: , I Date Appealed to Council: By Whom: I Council Decision: Date: I: Mylar Recording Number: , I Project Description: A request for SEPA Review, Shoreline Exemption and a Special Grade and Fill Permit (for Phase II only) for a rehabilitation of 341,065 SF of Taxiway B, located at the Renton Municipal Airport, zoned 1M and located in the High Intensity Shoreline Overlay. Approximately 2,250 cu yd of fill would be required for Phase 1 and 6,700 cubic yards would be required to be imported for Phase 2. I Location: 616 W Perimeter Road \ Comments: .. .:=.== I I I , I CITY OF RENTON DEPARTMENT OF COMMUNTY & ECONOMIC DEVELOPMENT -PLANNING DIVISION AFFIDAVIT OF SERVICE BY MAILING On the 11th day of December, 2012, I deposited in the mails of the United States, a sealed envelope containing Staff Report to the Hearing Examiner documents. This information was sent to: Name Representing Wendell Johnson, Reid Middleton Contact Renton Municipal Airport Owner/Applicant ;A.lA /Y1 dv/); u/ ",til' lUI"", "'0\>oE.. SUl '<" (Signature of Sender): .... ~,'f... ........... 1..1i-"', ..... ..··;Sl$\ON t·· .. ~ ' ..... G ~ f.,(J; ••• ~~ .01".0 ....... 1--~ :-'-0 '?~'. -:. f !~ !'IOTAIly~': ~ STATE OF WASHINGTON ) ) SS ~ PUBLIC _ COUNTY OF KING ) ~ ()\/ •• ..,.., ,"''': ~! ... "1;, ... ~/( 23 -." ... ·,,0; I certify that I know or have satisfactory evidence that Stacy M. Tucker ""{,O/:'v:;Ai~\~~""" "" ~\\ signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses a\\'d' ~\l~poses mentioned in the instrument. Dated: /)e.ClfilW /1, ,J41rZ--, Notary Public in and for the State of Washington r . r ,-If Notary (print):-.:;i::.:'.!ri-,-'I""J(,...::! .=;CL,=--,""....:...--,J~/..l."",-,. 1""I-<Z",Q",'r,-,-, ___________ _ My appointment expires: q/.;:.a./WIS- Project Name: Taxiway B Rehabilitation Project Project Number: LUA12-052, ECF, SME, SP Denis Law May'or December 11, 2012 Wendell Johnson Reid Middleton 728134'h Street #200 Everett, WA 98204 .. . Department of Community and Economic Development C.E."Chip"Vincent, Administrator. SUBJECT: .. Appeal Period End Notification Taxiway B Rehabiliation Project / LUA12 c052, ECF, SME,SP Dear Mr. Johnson: This letter is t~ inform you that the appeal period will end December 14,' 2012 for the · Environmental Review Committee's' (E;RC) Determination' of Noh-Significance - · Mitigated for th.e above-referenced project. · '~'.. _.. · As of:the date of tnis letter, ~o ~ppealshave been filed on the.ERC deter~ination,lf no appeals are filed on the ERC determination, the decision will be final. If. the' ERC .' det,ermination is appealed, the appeal will be heard as part of the Hearing Examiner · public hearing scheduled on December 18; 2012 at. 1:30 p.m., where the Hearing ,Examiner may issue conditions. The applicant or representative(s),of the applicant are· required to be present .. · Enclosed for your review is acopy cif the' Staff Report to the Hearing Exa~iner. If you have. any questions, pleasefeelfree to coritactme at (425) 430-7314. . 'For the Environmental Review Committee, .Vanessa Dolbee Senior Planner" Enclosure CC: , -Renton Mynicipal,Airport / Owner(s) Renton City Hall. lOS5 South Grady Way ; Ren;on,washington980S7 • r~ntonwa.gov . J .' DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT HEARING EXAMINER PUBLIC HEARING December 18, 2012 AGENDA COMMENCING AT 1:30 PM, COUNCIL CHAMBERS, 7TH FLOOR, RENTON CITY HALL The application(s) listed are in order of application number only and not necessarily the order in which they will be heard. Items will be called for hearing at the discretion of the Hearing Examiner. PROJECT NAME: Taxiway B Rehabilitation Project PROJECT NUMBER: LUA12-0S2, ECF, SME, SP PROJECT DESCRIPTION: The applicant is requesting a Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. HEX Agenda 12-18-12.doc DEPARTMENT OF COMi .. .JNITY AND ECONOMIC DEVELOPMENT REPORT TO THE HEARING EXAMINER A. SUMMARY AND PURPOSE OF REQUEST HEARING DATE: Project Name: Owner/Applicant Contact: File Number: Project Monager: Project Summary: Project Location: Site Area: December 18, 2012 Taxiway B Rehabilitation Project Renton Municipal Airport, 616 West Perimeter Road, Unit A, Renton, WA 98057 Wendell Johnson, Reid Middleton, 728 134th Street, Suite 200, Everett, WA 98204 LUA12·052, ECF, SP, SME Vanessa Dolbee, Senior Planner The applicant is requesting a Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4·9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. 616 West Perimeter Road 167.38 acres Project area: 341,065 SF (7.84 acres) Project Location Map HEX report 12·052. doc City of Renton Department of Co, ,nity & Economic Development TAXIWAY B REHABILITATION PROJECT Hearing Examiner Recommendation WA12-0S2, ECF, SP, SME Hearing Date December 18, 2012 Page 2 of7 I B. EXHIBITS: Exhibit 1: Report to the Hearing Examiner Exhibit 2: Neighborhood Detail Map Exhibit 3: Project Site Plan (Sheets Gl.2 -G1.4) Exhibit 4: Utilities Plan, Generalized Exhibit 5: Grading Plan & Profile (Sheets C1.1-C1.5) Exhibit 6: General Utilities Plan (Sheets U1.1-U1.5) Exhibit 7: Drainage Control Plan (Sheets D1.1-D1.5) Exhibit 8: Typical Sections (Sheets C2.0 -C2.2) Exhibit 9: Final Geotechnical Engineering Report, prepared by HWA GeoSciences Inc., dated October 17, 2012, 12 Pages, 3 Figures and 3 Appendices Exhibit 10: Technical Memorandum, prepared by HWA GeoSciences Inc., dated April 27, 2012, 7 Pages Exhibit 11: Technical Information Report (TIR), prepared by Reid Middleton, dated October 2012,39 Pages, 8 Figures, 8 Tables and 7 Appendices Exhibit 12: SEPA Determination Exhibit 13: ERC Mitigation Measures and Advisory Notes Exhibit 14: Affidavit of Mailing Exhibit 15: Draft Shoreline Exemption I C. GENERAL INFORMATION: 1. Owner(s) of Record: 2. Zoning Classification: 3. Comprehensive Plan Land Use Designation: 4. Existing Site Use: S. Neighborhood Characteristics: a. North: Lake Washington Renton Municipal Airport 616 West Perimeter Road, Unit A Renton, WA 98057 Industrial Medium (1M) Employment Area Industrial Renton Municipal Airport b. East: Cedar River, Cedor River Park and Boeing 737 Plant (IH and UC-N2 zane) c. South: d. West: 6. Site Area: Strip Commerciol and Residential (CA zone) Commercial and single family (primarily CA zane) 167.38 acres, project area 7.84 acres D. HISTORICAL/BACKGROUND: Action Comprehensive Plan Zoning HEX report 12-0S2.doc Land Use File No. N/A LUAOO-076 Ordinance No. 5099 Date 11/01/2004 12/18/2000 City of Renton Department of COf71"""Jnity & Economic Development Hearing Examiner Recommendation TAXIWAY B REHABILITATION PR ....;.T __________________ ..;L;.;;U;;..A;;;1;;;.Z • ..;;,O;.;5Z"",..;;E..;;,CF"',..;;S"'P,..;S..;M:"E;.. Hearing Date December 18, 2012 Page 3 of 7 Annexation N/A 1300 07/20/1949 I E. PUBLIC SERVICES: 1. Existing Utilities a. Water: This site is located in the City of Renton Water service area. The site is located in the One Year Capture Zone. There is an existing 12" 01 water main located on the Airport. See City of Renton drawing number W 3132. The site is located in the 196 water pressure zone. The static pressure is approximately 74 psi. b. Sewer: There is an existing 8"sanitary sewer main on the Airport site, on West Perimeter Rd. See City of Renton drawing 5-1688. c. Surface/Storm Water: There are existing 12" concrete storm drainage conveyance pipes and facilities on the east side of Taxiway B on the Airport site. 2. Streets: There are existing street improvements along the frontages of the site and an airport perimeter road. 3. Fire Protection: City of Renton Fire Department F. APPLICABLE SECTIONS OF THE RENTON MUNICIPAL CODE: 1. Chapter 2 Land Use Districts a. Section 4-2-020: Purpose and Intent of Zoning Districts b. Section 4-2-060: Zoning Use Table c. Section 4-2-130A: Industrial Development Standards 2. Chapter 3 Environmental Regulations a. Section 4-3-020: Airport Related Height and Use Restrictions b. Section 4-3-090: Shoreline Master Program Regulations 3. Chapter 4 Property Development Standards a. Section 4-4-030: Development Guidelines and Regulations b. Section 4-4-130: Tree Cutting and Land Clearing Regulations 4. Chapter 9 Procedures and Review Criteria a. Section 4-9-080: Grading, Excavation and Mining Permits and Licenses 5. Chapter 11 Definitions G. APPLICABLE SECTIONS OF THE COMPREHENSIVE PLAN: 1. Land Use Element I H. FINDINGS OF FACT: 1. The applicant, Renton Municipal Airport, is requesting a Special Grade and Fill Permit for the rehabilitation of the south end of Taxiway B (Phase 2) which would include new storm drainage, pavement, striping, directional safety signage, taxiway edge lighting, and water main replacement. 2. Phase 1 of the Taxiway rehabilitation project, north portion, is exempt from a Special Grade and Fill Permit pursuant to RMC 4-9-080C.6. HEX report lZ·05Z.doc City of Renton Department of COf1'l rTl unity & Economic Development Hearing Examiner Recommendation TAX/WAY B REHAB/LIT A TlON PR ..;:.;..T __________________ ...:L:.;:U.;.;A"'lZ;;.-.;.05::;;Z::.,.;.E;:;CF"',.;.5P'-',.:S...:M~E,-- Hearing Date December 18, 2012 Page 4 of 7 3. The Planning Division of the City of Renton accepted the above master application for review on July 3, 2012 and determined complete on July 24, 2012. The project was placed on hold August 6, 2012 and taken off hold October 29, 2012. The project complies with the 120-day review period. 4. The subject site is bordered: on the north by Lake Washington, on the east by the Cedar River, and to the south and west primarily by commercial development. 5. The property is located within the Employment Area Industrial (EAI) Comprehensive Plan land use designation, the Industrial Medium (1M) zoning classification. 6. The site is currently an operating Municipal Airport and contains many structures related to airport functions. Overall eXisting structures on the Airport site total 341,989 square feet in area. 7. The overall project consists of four parts, taxiway rehabilitation/reconstruction, storm drain lines and hydrant water lines rehabilitation, taxiway designation system modifications, and taxiway edge lighting modifications. a. Taxiway Rehabilitation/Reconstruction: Rehabilitation of the existing east side taxiway system pavements, including the taxiway connections to the runway from Taxiway 'N' at the north and to the south connection at Runway 34. It is anticipated that the pavement rehabilitation/reconstruction could employ various partial depth or full depth reconstruction methods including hot mix asphalt section reconstruction, reconstruction utilizing Portland Cement Concrete, and milling of the existing asphalt pavement surface followed by re-paving of new asphalt surface. b. Storm Drain Lines and Hydrant Water Line Rehabilitation: This would include replacing several failing concrete storm drain lines with ductile iron that cross Taxiway Band K. A portion of an existing water line in the vicinity of the south end of the project site would be evaluated for likely replacement as part of Phase 2. Surface grades and associated drainage efficiency within turf infield areas between Taxiway B and Runway 34 will be evaluated. These areas may require re-grading to alleviate existing storm water ponding issues. New drainage structures would be constructed to facilitate capture of stormwater from re-contoured pavement and turf areas. c. Taxiway Designation System Modifications: A new taxiway designation system would be developed and the existing airfield signage system would be modified as necessary to reflect the new deSignations. The existing designations that include designators such as G, H, N, etc., are proposed to be changed to AI, A2, 61, 62 etc. This change would result in a need for new signage, including sign hardware and concrete foundations. d. Taxiway Edge Lighting Modifications: Taxiway edge lighting is proposed to be adjusted or replaced as necessary to be compatible with new pavement surfaces that result from the taxiway rehabilitation /reconstruction. 8. The subject site is located within 200 feet of the Ordinary High Water Mark (OHWM) of the Cedar River Reach A. Located in the Shoreline High Intensity Overlay. 9. There are no critical areas on site. 10. Pursuant to the City of Renton's Environmental Ordinance and SEPA (RCW 43.21C, 1971 as amended), on November 19, 2012, the City's Environmental Review Committee issued a Determination of Non- Significance -Mitigated (DNS-M) for the Taxiway B Rehabilitation Project. The DNS-M included two mitigation measures. A 14-day appeal period commenced on November 30, 2012 and will end on December 14, 2012. No appeals of the threshold determination have been filed to date. 11. No public or agency comments were received. HEX report 12-0S2.doc City of Renton Department of COf11"1unity & Economic Development Hearing Examiner Recommendation TAXIWAY B REHABILITA T/ON PR .:.T.:-__________________ --.:L::U;:A;::1:::2~-O::5;:2~, E:;C;:F.:., ;;:SP;.:,.:S;;;M;;;E;... Hearing Date December 18, 2012 Page 5 of 7 12. Representatives from various city departments have reviewed the application materials to identify and address issues raised by the proposed development. These comments are contained in the official file, and the essence of the comments has been incorporated into the appropriate sections of this report and the Departmental Recommendation at the end of this report. 13. The following table contains project elements to be considered by the Hearing Examiner when making a determination on a Special Grade and Fill Permit, as outlined in RMC 4-9-080.F.4: SPECIAL GRADE AND FILL PERMIT CRITERIA: a. SIZE AND LOCATION OF THE ACTIVITY: The applicant is seeking approval of a Special Fill and Grade Permit to allow the rehabilitation of the south end of Taxiway B including drainage, pavement, striping, sign age, and water main replacement. The entire Taxiway is proposed to be rehabilitated however only Phase 2 triggers the requirement for a Special Grade and Fill Permit. Phase 2 would require approximately 6,700 cubic yards of gravel, import borrow material, topsoil and new asphalt to renovate the taxiway. The Renton Municipal Airport is located at 616 West Perimeter Road and is 167.38 acres, however the specific project area is approximately 7.84 acres for both Phase 1 and 2 of the taxiway rehabilitation. Phase 2 would result in an increase in impervious surface coverage by eight-tenths of one percent over the existing 234,700 square feet of existing impervious surface area. b. TRAFFIC VOLUMES AND PATIERNS: The applicant has indicated the construction would occur Monday through Friday from 7 a.m. to 6 p.m. The specific hauling routes would be determined by the successful bidder of the project; however the route is likely to include Airport Way South west to Rainier Avenue South then south to Interstate 405. All construction would occur along the taxiway and would not involve public streets. The applicant has indicated that the number and frequency of additional vehicular trips attributable to the construction is not anticipated to significantly impact public streets providing access to the site. Furthermore, airplane traffic that would normally use the subject portions of the taxiway being renovated would be directed to a safe alternate route at the Airport. c. SCREENING, LANDSCAPING, FENCING AND SETBACKS: No screening or fencing is required by the City of Renton Development Standards for the Airport Use. However, the Airport currently maintains a perimeter fence and ground cover landscaping in any area not covered by impervious surfaces. Airport operations and regulations are determined by the Federal Aviation Administration (FAA), which includes recommendation on Building Restriction lines (BRL) i.e. Setbacks. Pursuant to the FAA Advisory Circular/150_5300_13a BRL should be set beyond the Runway Protection zones, the Object Free Zones, the Object Free Areas, the runway visibility zone, etc... The project would comply with all FAA regulations. The closest point of work to the Ordinary High Water Mark (OHWM) of the Cedar River is 64 feet from the flood wall (which is estimated to be the approximate location of the OHWM). Approximately 430 feet of the north end of Taxiway B lies within the 200 foot Shoreline Jurisdiction. Under current conditions the taxiway functions effectively with the existing fencing, landscaping and setbacks. The rehabilitation project would not result in any changes to the existing screening, landscaping, fencing and setback conditions at the subject site d. UNSIGHTLINESS, NOISE, DUST: During project construction there will be areas of disturbance. However, this is a temporary project and areas of disturbance will be restored and enhanced. In the Technical Information Report (TIR) it is identified that the contractor shall control dust to prevent sediment transport from exposed, dry surfaces to the adjacent waterways. It is anticipated that the Contractor would use water for dust control; however the KCSWDM permits the use of other methods to HEX report 12-052.doc City of Renton Department of Co",~unity & Economic Development Hearing Examiner Recommendation TAXIWAY B REHABILITATION PR ..;:.:.T ___________________ ...:L::11::::A~1;:2:::-0~5::2~, E::,;C:;F.:., :::SP:..:,---=S;::M;::E:.- Hearing Date December 18, 2012 Page 6 of 7 control dust. During construction, equipment operation would temporarily increase noise levels in the vicinity. Construction equipment may produce temporary noise levels. However, construction noise levels are not anticipated to be higher than typical airport operations. The completed project, however, would not change existing noise levels. The proposed project may generate some dust during the transport and deposit of fill. e. SURFACE WATER: The applicant submitted a Technical Information Report (TIR) for both Phase 1 and Phase 2 prepared by Reid Middleton, dated October 2012 with the application. The applicant has proposed to upgrade the existing surface water drainage facilities with a combination of wet biofiltration swales, filter strips, catch basins, DIP, and high-density polyethylene (HDPE) pipe. The provided TIR has indicated that along the eastern side of the taxiway crown, surface water would typically be collected and conveyed through catch basins and sent to the western side of the taxiway, within the grass infield area. These concentrated flows would be discharged into a flow splitter device for water quality measures. Water quality for the concentrated flows would be conveyed through a wet biofiltration swale. The TIR identifies that the swale would be designed to meet the King County Service Water Design Manual (KCSWDM) basic treatment criterion of removing 80 percent of the total suspended solids. After leaving the biofiltration swale the stormwater is proposed to be collected in a catch basin and diverted toward the east through a series of surface water facilities and finally discharge to the Cedar River. The TIR describes the stormwater proposal for the western side of the taxiway crown as all nonconcentrated flows which would be treated by filter strips, which would then be conveyed to catch basins where the water would combine with the treated flow from the wet biofiltattion swale. Overall the project would not change the stormwater discharge locations as it currently exists today. Section 2 of the TIR identifies that the project would use Best Management Practices (BMPs) for flow control and would install such measure in accordance with the requirements of the KCSWDM. Furthermore a Stormwater Pollution Prevention Plan (SWPPP) for the construction activities would be developed as a part of the overall project. f. REUSE OF SITE: The rehabilitation project is designed to improve the existing taxiway so the site can be used for aviation use now and in the future. No further reuse analysis is needed. g. TRANSFERABILITY OF SPECIAL PERMIT: This permit is for a one-time project. h. Permit Expiration: This is a one-time project of relatively short duration. The anticipated construction period for Phase 2 is the summer and early fall of 2013. i. Revocation of Permit: The Community and Economic Development Department is authorized to revoke any annual license issued pursuant to the terms of the Grading, Excavation and Mining Regulations if after due investigation it is determined that the permittee has violated any of the provisions of this Ordinance. Notice of revocation shall have reasonable time not to exceed forty-five (45) days in which to remedy the defects or omission specified. In the event that the licenses fails or neglects to do so within the time period, the order of revocation shall be final. A total or partial stop work order may be issued for good reason. I,. CONCLUSIONS: 1. The proposal complies with the Special Grade and Fill Permit review criteria. 2. The proposal would not be unreasonably detrimental to the surrounding area. 3. The proposal is compliant and consistent with City of Renton plans, policies, regulations and approvals. HEX report 12-052.doc City of Renton Department of COfTV"1unity & Economic Development Hearing Examiner Recommendation TAXIWAY B REHABILITA TlON pr. ...,;:;,;.T __________________ ..;L:.:U;,;.A:.:l.:.Z-..:0.:.5Z:::,..:E;;:;C:..:F,..:S.:.,;P,:.,:S;:;M;:;E::.... Hearing Date December 18, 2012 Page 7 of 7 4. The Traffic volume and patterns are not anticipated to significantly impact the City street system accessing the site. 5. FAA regulations will be followed for setbacks. 6. Existing landscaping, screening and fencing will be maintained and/or re-established. 7. There are adequate public services and facilities to accommodate the proposed use. I J. RECOMMENDATIONS: Staff recommends approval of the Special Grade and Fill Permit for Taxiway B Rehabilitation, File No. LUA12- 052, ECF, SP, SME. HEX report 12-052.doc Notes None 1:12,587 Neighborhood! Detai~ Map Legend Jurisdiction Boundaries CJ Other [1 City of Renton o Parcels Overlay Districts D Auto Mall A D AutoMalS EXHIBIT 2 1,049 o 524 1,049 Feet 0 Employment Area Velley NAD_1983_HARN_StatePlane_Washington_ North]IPS_ 4601 City of ~«J)Jl1l. €J Finance & IT Division t"J City Center Sign Regulation Area 171 Urban Design District A Information Technology -GIS RentonMapSupport@Rentonwa.gov 111912012 This map is a user generated static output from an Intemat mapping site and is lor reference only. Dala layers that appear on this map mayor may not be accurate, current, or othelWisa reliable THIS MAP IS NOT TO BE USED FOR NAVIGATION , ... i , " -"- -I ,::i: r , , I> , Ii' . , " i ~ em or R£NTON -R£NTON IItNCI"Al. AIRf'ORT II NORTH TAXIWAY 8 REHAB ~7 ~< 1 m ' ....... """ • ~_['IS«I, .... mlI I PROJECT SITE PLAN I\: 425 W-lIXI ~ EC==~~==~ 4EI! SHEET 01.2 SE!! 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U Jr, F"" DOCI tm lE,ASU!E I" <-(117 """-1ST SCH.IS IGCORDIIG.T. -~-~: F3i .~-~ L1ill. i{;:t:' , ~~'/;:!j [1/, , ''''l!v4t~ FINAL GEOTECHNICAL ENGINEERING REPORT Renton Municipal Airport ' Taxiway B Rehabilitation Renton, Washington HWA Project No. 2011-039-21 Prepared for Reid Middleton, Inc. October 17,2012 \1. v~e-'S 3 f'00fe..S b Af'perd i ce.5 ltfm I HWAGEOSClENCES INC • (;(,(ltt'ChlliCrll FugiflceriHg • H,l'.l"(Jg('()I{l~)' • {;('ut'III'irotlllh'lI/rli .s~"Ti(e:; • /rl.'I'('(fi('11 c-'/l' . .;ting ' .....•. TECHNICAL MEMORADUM ' .. ~ (·"~~l~;.;"~ .~~~H:~.:·' TO: PREPARED BY: SUBJECT: PROJECT NO.: DATE: Dear Randy; Mr. Randy Hall; P ~E. / Reid Middleton •.. d Steven E. Gree~%1.G., George Minassi~~, P.E. HW A GeoSciences Inc:' .' JUL -3 2011 TAXIWAY B -NORTH (GENERAL AVIATION) SECTION IMPROVEMENTS Renton Municipal Airport Taxiway B Rehabilitation Renton, Washingtoll 2011-039-21 April 27, 2012 The purpose of this technical memorandum is to provide a concise summary of the pavement and sub surface conditions we observed within the North (General Aviation-North of the wind rose) section of Taxiway B and provide generalized recommendations for treatment of sub soils that can be incorporated into remedial design. This memorandum draws from information previously published in our Draft Geotechnical Engineering Report, Renton Municipal Airport, Taxiway B Rehabilitation, published on July 28, 2011. EXISTING PAVEMENT STRUCTURE As part of our subsurface investigation, we completed 5 core!hand holes, distributed evenly along the taxiway alignment and on the existing tie-doWn apron area: Based on these relatively limited explorations (Core-O 1 Core-02, and Core-05), the pavement structure along the north portion of Taxiway B consists of an HMA surface of about 2 to 4.5 inches thick and a base course layer of about 5 to 6 inches thick. The existing pavement surface is in fair to good condition. Within the apron area adjacent to the private hangers (Core-03and Core-04), the pavement section consists of an HMA surface layer of about 1.5 to 2.25 inches thick. At the location of Core-04, a 1.5-inch thick layer of crushed aggregate was found sandwiched between the surface course ofHMA and an older 1.75 inch thick layer ofHMA. A thin gravel base layer about 1.5 -inches thick was encountered under the pavement at Core-03. No gravel base was ericountere~ below the. lower HMA layer in Core-04. The existing pavement surface within the apron area is in poor to fair condition. In general, the type of distress exhibited by the pavement . surface in these areas indicates that drainage is inadequate and the pavement section composed . of2 to 4.5-inches ofHMA over 0 to 6 inches of base course is too thin to'" 2131230th Drive SE I · dl d Suite 110 supporLc.urrenLapp Ie. • Olli S'u Bothell, WA 98021.7010 Te~ 425.174.0106 Fax. 425.774.2714 www.hwageoocom Technical infmrmation Report (TIR) for Rentonn Municipa! Airport Taxiway B §y§tem Rehabilitation Owner: City of Renton 1055 South Grady Way Renton, W A 98057 October 2012 City of Renton Planning Division OCT I 8 /\;,1 Irq~mrumbm 39 9O(!J~. 8 F'igures 6Tab(e.s I Appendi ces DEPARTMENT OF COMMUI\rIIY AND ECONOMIC DEVELOPMENT ENVIRONMENTAL (SEPA) DETERMINATION OF NON-SIGNIFICANCE -MITIGATED (DNS-M) PROJECT NUMBER: LUA12-052, ECF, SME, SP APPLICANT: Renton Municpal Airport PROJECT NAME: Taxiway B Rehabilitation Project PROJECT DESCRIPTION: The applicant has requested SEPA Review, Shoreline Exemption and a Special Grade and Fill Permit (for Phase II only) for a rehabilitation of 341,065 SF of Taxiway B, located at the Renton Municipal Airport, zoned 1M and located in the High Intensity Shoreline Overlay. PROJECT LOCATION: 616 W Perimeter Road LEAD AGENCY: City of Renton Environmental Review Committee Department of Community & Economic Development The City of Renton Environmental Review Committee has determined that it does not have a probable significant adverse impact on the environment. An Environmental Impact Statement (EIS) is not required under RCW 43.21C.030(2)(c). Conditions were imposed as mitigation measures by the Environmental Review Committee under their authority of Section 4-9-070D Renton Municipal Code. These conditions are necessary to mitigate environmental impacts identified during the environmental review process. Because other agencies of jurisdiction may be involved, the lead agency will not act on this proposal for fourteen (14) days. Appeals of the environmental determination must be filed in writing on or before 5:00 p.m. on December 14, 2012. Appeals must be filed in writing together with the required fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98057. Appeals to the Examiner are governed by RMC 4-8-110 and more information may be obtained from the Renton City Clerk's Office, (425) 430-6510. PUBLICATION DATE: DATE OF DECISION: SIGNATURES: Community Services Department November 30, 2012 November 19, 2012 , ( /; cd /2., ,...,..."-r=""-¥----+--:-:---- I I Ma k Peter on, dministrator Date II!rq/lv ;;:~T:"" -4 C.E. "Chip" Vincent, Administrator Department of Community & Date Economic Development EXHiBiT 11.2 \II (11 &oIL Date DEPARTMENT OF CO. /lUNITY AND ECONOMIC DEVELOPMENT DETERMINATION OF NON-SIGNIFICANCE-MITIGATED MITIGATION MEASURES AND ADVISORY NOTES PROJECT NUMBER: LUA12-052, ECF, SME, SP APPLICANT: Renton Municpal Airport PROJECT NAME: Taxiway B Rehabilitation Project PROJECT DESCRIPTION: The applicant has requesteq SEPA Review, Shoreline Exemption and a Special Grade and Fill Permit (for Phase II only) for a rehabilitation of 341,065 SF of Taxiway B, located at the Renton Municipal Airport, zoned 1M and located in the High Intensity Shoreline Overlay. PROJECT LOCATION: LEAD AGENCY: MITIGATION MEASURES: 616 W Perimeter Road The City of Renton Department of Community & Economic Development Planning Division 1. The applicant shall comply with the recommendations included in the Geotechnical Engineering Report and the Technical Memorandum prepared by HWA GeoSciences Inc., dated October 17, 2012 and April 27, 2012 respectively. 2. If any Native American grave{s) or archaeological/cultural resources (Indian artifacts) are found, all construction activity shall stop and the owner/developer shall immediately notify the City of Renton Planning Division, concerned Tribes' cultural committees, and the Washington State Department of Archeological and Historic Preservation. ADIVISORY NOTES: The following notes are supplemental information provided in conjunction with the administrative land use action. Because these notes are provided as information only, they are not subject to the appeal process for the land use actions. Planning: 1. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 pm, Monday through Friday unless otherwise approved by the Development Services Division. 2. Commercial, multi-family, new single family and other nonresidential construction activities shall be restricted to the hours between seven o'clock (7:00) a.m. and eight o'clock (8:00) p.m., Monday through Friday. Work on Saturdays shall be restricted to the hours between nine o'clock (9:00) a.m. and eight o'clock (8:00) p.m. No work shall be permitted on Sundays. 3. Within thirty (30) days of completion of grading work, the applicant shall hydroseed or plant an appropriate ground cover over any portion of the site that is graded or cleared of vegetation and where no further construction work will occur within ninety (90) days. Alternative measures such as mulch, sodding, or plastic covering as specified in the current King County Surface Water Management Design Manual as adopted by the City of Renton may be proposed between the dates of November 1st and March 31st of each year. The Development Services Division's approval of this work is required prior to final inspection and approval of the permit. 4. A National Permit Discharge Elimination System (NPDES) permit is required when more than one acre is being cleared. Plan Review -Water: 1. As part of Phase 2 the project proposes to replace a portion of the existing water line along the east side of the runway. The new water line shall be connected to an existing city water main located at the southeast corner of the site. The size of the new line shall be 12- inch minimum and the new flush-type hydrants shall be connected to this new line. 2. The new line cannot be connected to the existing line within the airport that is fed by the Boeing private fire system. The airport property is within the city's water service area and as such, any new water main extension, including hydrants, should be connected to the city's water system as required by City Code for all development/redevelopment projects within the City's water service area. 3. The new watermain needs to be shown on the proposed conceptual utility plan. Plan Review -Sanitary Sewer: 1. Project as submitted does not trigger any sanitary sewer improvements. Plan Review -Street Improvements: 1. Additional street improvements will not be required. 2. Traffic Mitigation fees do not apply. Plan Review -Storm Drainage: 1. A conceptual drainage plan and report was submitted with the formal application for Phase I only. The report states that the project will comply with the City of Renton Amendments to the 2009 King County Surface Water Design at the time of development. A drainage plan and drainage report will be required with the site plan application. The report shall comply with the 2009 King County Surface Water Manual and the City of Renton Amendments to the KCSWM, Chapter 1 and 2. 2. A geotechnical report for the site is required. Information on the water table and soil permeability, with recommendations from the geotechnical engineer for appropriate flow ERe Mitigation Measures and Advisory Notes Page 2 013 control BM P options with typical designs for the site, shall be submitted with the application. Plan Review -General: 1. Any fill will be required to submit a "Fill Source Statement". 2. All required utility, drainage, and street improvements will require separate plan submittals, prepared according to City of Renton drafting standards, by a licensed Civil Engineer. 3. All plans shall be tied to a minimum of two of the City of Renton Horizontal and Vertical Control Network. 4. Permit application must include an itemized cost estimate for these improvements. Half of the fee must be paid upon application for building and construction permits, and the remainder when the permits are issued. There may be additional fees for water service related expenses. See Drafting Standards. Fire and Emergency Services: Separate plans, permits, reviews for watermain replacement and any fuel tanks associated with the generator installation would be required. ERe Mitigation Measures and Advisory Notes Page 3 013 CITY OF RENTON DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT -PLANNING DIVISION AFFIDAVIT OF SERVICE BY MAILING On the 24th day of July, 2012, I deposited in the mails of the United States, a sealed envelope containing Acceptance Letter, Notice of Application (NOA), Environmental Checklist, Site Plan documents. This information was sent to: _ ..... < ... , ,'. ' ...... i:":':' \-;, ::. :i~;~~' Name' .... ~, .": -t\.~ -;.,_:.~-: • Agencies -NOA, Env. Checklist, Site Plan Wendell Johnson, Reid Middleton -Accpt Ltr Renton Municipal Airport -Accpt Ltr, NOA 300' Surrounding Propert Owners -NOA only (Signature of Sender): STATE OF WASHINGTON COUNTY OF KING ) ) SS ) ~~, •• 1 .. ";~f.'o.,:·;",'~';~;;~:"'''':.:,~~'<;'~i:·i.\T~\;;~''' ~1~,"~·...(.;"l' :-f ,~:·::~.",it: ... ,~ ·~1.\~1'.:...:: .. ;:'~1-~~ ':.?1~~~~,t:R~p.r~s~ntl_ng~a~,.~(_. :; !.",.~\.: : .. S.~r.~-;· See Attached Contact Owner/Applicant See attached I certify that I know or have satisfactory evidence that Stacy M. Tucker Signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument. template -affidavit of service by mailing Dept. of Ecology ** Environmental Review Section PO Box 47703 Olympia, WA 98504-7703 WSDOT Northwest Region' Attn: Ramin Pazooki King Area Dev. Serv., MS-240 PO Box 330310 Seattle, WA 98133-9710 US Army Corp. of Engineers· Seattle District Office Attn: SEPA Reviewer PO Box C-3755 Seattle, WA 98124 Boyd Powers * Depart. of Natural Resources PO Box 47015 Olympia, WA 98504-7015 KC Dev. & Environmental Servo Attn: SEPA Section 900 Oakesdale Ave. SW Renton, WA 98055-1219 Metro Transit Senior Environmental Planner Gary Kriedt 201 South Jackson Street KSC-TR-0431 Seattle, WA 98104-3856 Seattle Public Utilities Real Estate Services Attn: SEPA Coordinator 700 Fifth Avenue, Suite 4900 PO Box 34018 Seattle, WA 98124-4018 AGENCY (DOE) LETTER MAILING (ERe DETERMINATIONS) WDFW -Larry Fisher' Muckleshoot Indian Tribe Fisheries Dept .• 1775 12th Ave. NW Suite 201 Attn: Karen Walter or SEPA Reviewer Issaquah, WA 98027 39015 _172" Avenue SE Auburn, WA 98092 Duwamish Tribal Office· Muckleshoot Cultural Resources Program· 4717 W Marginal Way SW Attn: Ms Melissa calvert Seattle, WA 98106-1514 39015 172" Avenue SE Auburn, WA 98092-9763 KC Wastewater Treatment Division * Office of Archaeology & Historic Preservation- Environmental Planning Supervisor Attn: Gretchen Kaehler Ms. Shirley Marroquin PO Box 48343 201 S. Jackson ST, MS KSC-NR-050 Olympia, WA 98504-8343 Seattle, WA 98104-3855 City of Newcastle City of Kent Attn: Steve Roberge Attn: Mr. Fred 5atterstrom, Alep Director of Community Development Acting Community Dev. Director 13020 Newcastle Way 220 Fourth Avenue South Newcastle, WA 98059 Kent, WA 98032-5895 Puget Sound Energy City of Tukwila Municipal liaison Manager Steve Lancaster, Responsible Official Joe Jainga 6200 Southcenter Blvd. PO Box 90868, MS: XRD-01 W Tukwila, WA 98188 Bellevue, WA 98009-0868 ·Note: If the Notice of Application states that it is an "Optional DNS", the marked agencies and cities will need to be sent a copy of the Environmen"tal Checklist, Site Plan PMT, and the ~otice of Application. **Department of Ecology is emailed a copy of the Environmental Checklist, Site Plan PMT, & Notice to the following email address: sepaunit@ecy.wa.gov template -affidavit of service by mailing 118000294009 PUBLIC STORAGE INC C/O THOMSON REUTERS PTS PO BOX 847 CARLSBAD CA 92018 956480017006 JPJD LLC 95 S TOBIN ST #201 RENTON WA 98057 000720004506 DAWSON JAMES D+RENEE E 10838 LAKERIDGE DR S SEATTLE WA 98178 420440035509 HARBOR OLYMPIC LAND 6530 LL 1440 PUYALLUP AVE TACOMA WA 98421 722930003503 MINKLER-RW LLC 443 10TH AVE W KIRKLAND WA 98033 000720017102 CHIEM MY THU+DAT H LU 665 PASCO PL RENTON WA 98059 000720003003 SALVATION ARMY THE III QUEEN ANNE AVE N #300 SEATTLE WA 98109 118000179002 BRYN MAWR PLAZA L L C 195 W SUNSET WAY ISSAQUAH WA 98027 956480017501 SOCIETY OF ST VINCENT DE PA 5950 4TH AVE S SEATTLE WA 98108 426820005509 HU MIAO DAN 212 OAKESDALE AVE SW RENTON WA 98057 WA 98055 000720003201 JPC PROPERTIES LLC 15826 SE 141ST ST RENTON WA 98059 118000276006 KING COUNTY-PROPERTY SVCS ADM-ES-0800 500 4TH AVE SEATTLE WA 98104 722930007504 PHILLIPS MANIO 613 S 16TH ST. 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APPLICANT: CONTACT (if other than Owner): PROJECT LOCATION: December X, 2012 Project Name: Taxiway B Rehabilitation Project File Number: LUA12-052, ECF, SP, SME Vanessa Dolbee, Senior Planner Renton Municipal Airport, 616 West Perimeter Road, Unit A, Renton, WA 98057 Wendell Johnson, Reid Middleton, 728 134th Street, Suite 200, Everett, WA 98204 616 West Perimeter Road PROJECT DESCRIPTION: The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay. The proposed project would be located at the Renton Municipal Airport at one of the two parallel taxiways serving the airport main runway. No work would occur outside the Airport site. Under current conditions the Airport is developed with a number of existing buildings, hangars, an air traffic control tower, office and fixed based operations and other airport related uses. The overall project consists of four parts, taxiway rehabilitation/reconstruction, storm drain lines and hydrant water lines rehabilitation, taxiway deSignation system modifications, and taxiway edge lighting modification. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway Band Phase 2 would rehabilitate the south end of Taxiway B. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety sign age and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both Phase 1 and 2 would require a Shoreline Exemption as both are located within 200 feet of the Ordinary High Water Mark (OHWM) of the Cedar River. The closest point of work is 64 feet from the flood wall which is estimated to be the approximate location of the OHWM. Phase 1 is anticipated City of Renton Department of Comml 11 Economic Development Certificate of Exer, I from Shoreline Substantial Development Taxiway B Rehabilitation Project WA12-0S2, ECF, SP, SME DATE OF PERMIT: December x, 2012 Page 2 of 3 to begin construction during the spring and early summer of 2013 and Phase 2 is scheduled to be started in late summer and early fall of 2013 pending Federal Aviation Administration (FAA) funding constraints_ Approximately 430 feet of the north end of Taxiway B lies within the 200 foot Shoreline Jurisdiction. The subject project has been identified as an essential public facility pursuant to the Administrator of the Department of Community and Economic Development. Therefore, the project would be exempt from buffers and setbacks pursuant to RMC 3-4-090D.7.d.vi. However, the project has designed and constructed the development to meet the specified dimensional standards to the maximum extent feasible. LEGAL DESCRIPTION: POR SECS 7 & 18-23-5 & POR TOBINS D C INCL POR PLAnED & VAC STS LY WLY OF COMM W W # 2 N OF N LN DIXIE AVE & ELY OF STATE HWAY # 5 & ELY & SLY OF FOLG LN BEG ON ELY MGN SD HWAY AT PT 5 FT S OF N LN OF LOT 8 BLK 18 BRYN MAWR TH E 89.23 FT TH N 05-16-51 E 438.90 FT TH N 40-09-47 E 188.55 FT TH N 60 FT TH N 29-00- 40 W 197.07 FT TH S 88-27-28 E 90.83 FT TH N 01- 32-32 W 40 FT TH S 88-27-28 E 234.53 FT TH S 35- 00-00 E 142.41 FT TH E 403.70 FT LESS LOTS 19 TO 22 INCL BLK 4 RENTON REAL ESTATE COS 1ST ADD LESS PORTION FOR LANE HANGAR CONDOMINIUM SEC-TWN-R: SEC-7 TWN-NE and NW 18 R 5E WATER BODY/WETLAND: Cedar River, Reach A An exemption from a Shoreline Management Substantial Development Permit is hereby granted on the proposed project in accordance with RMC 4-9-190C.3 Exemptions from Permit 'System and/or for the following reason(s): Maintenance and Repair: Normal maintenance or repair of existing structures or developments, including damage by accident, fire or elements: a. "Normal maintenance" includes those usual acts to prevent a decline, lapse, or cessation from a lawfully established condition. b. "Normal repair" means to restore a development to a state comparable to its original condition, including but not limited to its size, shape, configuration, location and external appearance, within a reasonable period after decay or partial destruction, except where repair causes substantial adverse effects to the shoreline resource or environment. City of Renton Department of Comm. ~ Economic Development Certificate of Exef Taxiway B Rehabilitation Project DATE OF PERMIT: December x, 2012 I from Shoreline Substantial Development LUA12-0S2, ECF, SP, SME Page30f3 c. Replacement of a structure or development may be authorized as repair where such replacement is the common method of repair for the type of structure or development and the replacement structure or development is comparable to the original structure or development including, but not limited to, its size, shape, configuration, location and external appearance and the replacement does not cause substantial adverse effects to shoreline resources or environment The proposed development is consistent or inconsistent with (check one): CONSISTENT INCONSISTENT x N/A x DATE OF DECISION ON LAND USE ACTION: SIGNATURE: C.E. "Chip" Vincent, Administrator Policies of the Shoreline Management Act. The guidelines of the Department of Ecology where no Master Program has been finally approved or adapted by the Department. The City of Renton Shoreline Master Program. Date Department of Community & Economic Development Attachments: Vicinity/Neighborhood Detail Map Site Plan cc: Owner/Applicant Contact City of Renton Official File STATE OF WASHINGTON, COUNTY OF KING } AFFIDAVIT OF PUBLICATION PUBLIC NOTICE Linda M Mills, being first duly sworn on oath that she is the Legal Advertising Representative of the IRerrllto I!ll. IRe po ll'"tell'" a weekly newspaper, which newspaper is a legal newspaper of general circulation and is now and has been for more than six months prior to the date of publication hereinafter referred to, published in the English language continuously as a weekly newspaper in King County, Washington. The Renton Reporter has been approved as a Legal Newspaper by order of the Superior Court of the State of Washington for King County. The notice in the exact form annexed was published in regular issues of the Renton Reporter (and not in supplement form) which was regularly distributed to its subscribers during the below stated period. The annexed notice, a: Public Notice was published on November 30, 2012. The full amount of the fee charged for said foregoing publication is the sum of $119.00. \ ~~7fm t:Inda M. Mills Legal Advertising Representative, Renton Reporter Subscribed and sworn to me this 30th day of November, 2012. ~ a 5JfU...JLl11 {{-V'-.- Kaihleen C. Sherman, Notary Public for the State of Washington, Residing in Buckley, Washington .~''''''\\''''\\\li . ",""'~~ f}. §kI'IIIII .:: ~ , .......... "\.\.\\\\\II~,l'\ "'/ ff .:i:f~,,\ON €"t"'; ~ I~ :: ,.::. :~ ~ "f' A .<eJ 'I,;..no ~ ::"'::!; 0' IT)-"-l>~~'" ~~~6 < ~~ ~ -:::::::;c.> _.-CJl~ ~ ~ ~ ~ ~ 'l.~ (;!:~ ~ 'l '<>UB\..~ E < :: If (j"l"1 _t'"_ .=0 == II/ f. I" 4_1''''~'\''O~ J.::.. E " -'1-/I! ~ ..... .:-0 -'I, I'/: III\\\\\\\, ........ ~.~ .ff Illl OF=' \rv .... ~:;< ... ,.:::-III v r :-., ......... . 1\\\\\\\\\.""'''''' NOTICE OF ENVIRONMENTAL DETERMINATION ENVIRONMENTAL REVIEW COMMITTEE A:>!D PUBLIC HEARI~G RENTOl". WASHINGTON The Environmental Review Committee has issued a Detenni- nation of Non-Significance-Miti- gated (DNS-M) for the following project under the authority of the Renton MunicipaJ Code. Taxiway B Rehabilitation Project LUAI2-052. ECF. SP Location: 616 West Perimeter Road. The applicant has re- quested SEPA Review, Shore- line Exemption and a Special Grade and Fill Pennit (for Phase II only) for a rehabilita- tion of 341.065 SF of Taxiway B. located at the Renton MunieipaJ Airport, zoned 1M and located in the High Inlensitv Shoreline Overlav. Approximately 2,250 cu yd of fill would be required for Phase I and 6,700 cubic yards would be required to be imported for Phase 2. Both a Geotechnical Report and a Stormwater Report were submitted with the application. AppeaJs of the DNS-M must be filed in writing on or before 5:00 p.m. on December 14, 2012, together with the requircd fee with: Hearing Examiner, City of Renton. 1055 South Grady Way, Renton, WA 98057. Appeals to the Examiner are governed by RMC 4-8-110 and more informa- tion may be obtained from the Citv Clerk's Office, (42'5) 430-6510. A Public Hearing will be held by the Hearing Examiner in the Council Chambers, City Hall, on December 18, 2012 at I :30 pm to consider the SpeciaJ Grade and Fill Permit for Phase II. If the DNS-M is appeaJed, the appeaJ will be heard as part of this public hearing. Interested parties are invited to attend the public hearing. Publ ished in the Renton Reporter on November 30, 2012.#708667 OF ENVIRONMENTAL DETERMINATION AND PUBLIC HEARING ISSUANCE OF A DETERMINATION OF NON-SIGNIFICANCE _ MITIGATED (DN5-M) POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION PROJECT NAME: Tulwav B 1I111.bllltaUoR ProJoct PROJECT NUMBER: LUAU.OSl. Ea. SM(, $I' I.OCATION: U6Whrimtl.1Ioad DESCRIPTION: Thl .ppllantl, requ.slln. UPA Environmental R.vlew and Shorelln. E~lmpllon for a rehabllltilion 01341,065 Iqulre feet of T .. IWIY a, 10CllI.d II Ih. Rlnlon Munltlpll Airport, 616 Well Perl mete. Road; lOnld Indu.lrl.1 Mldlum (1M) and located In III, Hllh Inllmltv Shorellnl Overlay. Tho rehabilitation proJlct II dMded Into two phllll) Phall 1 ",nslsts 01 ,.n.bl1ltltlon 01 the north portion of Tnlway I whldl Is ",empt from a Sped,1 Grad. and Fill P .... mlt. pursuant 10 RMe 4-t-oaoc.6. I'Mse 1 would r .... blllt.t. th. 1000Ih end of Ta.Jway I and II requlrld to oblaln a Sp.dal Grad. IlId Fill Pt:rmlt, whldlII Induded In the application.. loth Phlll 1 Ind I would Indud. new stann dralna,l. pavlmenl. IlrlplnlL dlr.ctIDtlII.lfaty 01",111 Ind tnlway Id.e IIJlltlnl. Ph'" I would liso Induda I .eplanm.nt 01 • WOller mlln. loth. GootedlnlUI Report and a Storm ... ,te. Report were submItted with Iha IppllCIIllon. THE CITY Of RENTON ENVIRONMENTAL REVIEW COMMITTEE I£RC) HAS DETERMINED THAT THE PROPOSED ACTION DOES NOT HAVE ASIGNIFICANT ADVERSE IMPACT ON THE ENVIRONMENT. App .. l. of the envlronmlntal determination mUll be filed In wrltln. on or befo .. 5:00 p.m. on o.cemb.r 14, 2011, tOI.thlr w1th the required III with: H •• rlnl E .. mlnlll', Cltv of R.nton. 1055 South Grady WIY, Renton, WA 98057. App .. l, to the blmln.r ... 10Vemad by City of RMC 4-1·110 and 1nformltlon '"prdln. the appeal proc.1I may be Dblalnld from Ihl Renton Cltv CI .. k'. OffiCI, (425) 430-6510. A rUIuc HEARING WILL BE HELD IV THE RENTON HEARING EXAMINER AT HIS REGUlAR MEETING IN THE COUNCIL CH-'MBERS ON THE 7TH FLOOR Of CITY HAlL, lOSS SOUTH GRADY WAY, RENTON, WASHINGTON, ON DECEMBER 18, 2011 AT 1:3.0 PM TO CONSIDER THE FILL AND GRAOE PERMIT. IF THE ENVIRONMENTAl OETERMINATION IS APPEAlEO. THE APPEAL WILL BE HEARD AS PART OF THIS PUBUC HEARING. FOR FURTHER INFORMATION, PLEASE CONTACT THE CITY OF RENTON, DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT AT 1425) 430-7200. DO NOT REMOVE THIS NOTJCE wrrHOUT PROPER AUTHORIZATION PLEASE INClUDE THE PROJECT NUMBER WHEN CAWNG FOR PROPER FILE IDENTIFICATION. CERTIFICATION ---I.;::2.!6:!!l.~ILI8~~~ILI,,!I---' hereby certify that _=-_copies of the above docum nt onspicuous places or nearby the cribed property on. Date:---LI J.l-1!J..L1/""",~/~IL=...loL-__ STATE OF WASHINGTON COUNTY OF KING ) ) SS ) e-. I I I certify that I know or have satisfactory evidence that 13r;o..., .. " \AQ\'T signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument. -at cA <¥aka Notary Public in and for the State of Washington I-J. A _ {,-ra-h:v CITY OF RENTON DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT -PLANNING DIVISION AFFIDAVIT OF SERVICE BY MAILING On the 21st day of November, 2012, I deposited in the mails of the United States, a sealed envelope containing ERC Determination documents. This information was sent to: Name Agencies See Attached Wendell Johnson Contact Renton Municpal Airport Owner / Applica nt if (Signature of Sender): .#;;~ J AA ,,-1 .... r //./ ./ tJ STATE OF WASHINGTON ) COUNTY OF KING ) ss ) Representing If:o~~ .(f~ f~~r;()Q~ t-·-t; .. ~ ~ I certify that I know or have satisfactory evidence that Stacy M. Tucker \ ~2 '.I § signed this instrument and acknowledged it to be his/her/their free and voluntary ;~Ii. poses mentioned in the instrument. '''''''' @CI'O": "'~\\\"~ NO! ~IiC~ the State of Washington Notary (print):. ___ .....:...:/-(-!A::..:..:.... . ....l&cL· !...!CL~Io:::::e(L-_________ _ My appointment expires: A~ v-s-l ;Zq, ~013 Project Name: Taxiway B Rehabiliation Project Project Number: LUA12-052, ECF, SME, SP template -affidavit of service by mailing Dept. of Ecology" Environmental Review Section PO Box 47703 Olympia, WA 98504-7703 WSDOT Northwest Region '" Attn: Ramin Pazooki King Area Dev. Serv., MS~240 PO Box 330310 Seattle, WA 98133-9710 US Army Corp. of Engineers '" Seattle District Office Attn: SEPA Reviewer PO Box C-37SS Seattle, WA 98124 Boyd Powers '" Depart. of Natural Resources PO Box 47015 Olympia, WA 98504-7015 KC Dev. & Environmental Servo Attn: SEPA Section 900 Oakesdale Ave. SW Renton, WA 98055-1219 Metro Transit Senior Environmental Planner Gary Kriedt 201 South Jackson Street KSC-TR-0431 Seattle, WA 98104-3856 Seattle Public Utilities Real Estate Services Attn: SEPA Coordinator 700 Fifth Avenue, Suite 4900 PO Box 34018 Seattle, WA 98124-4018 AGENCY (DOE) LEITER MAILING (ERe DETERMINATIONS) WDFW -Larry Fisher' Muckleshoot Indian Tribe Fisheries Dept. '" 1775 12th Ave. NW Suite 201 Attn: Karen Walter or SEPA Reviewer Issaquah, WA 98027 39015 -172nd Avenue SE Auburn, WA 98092 Duwamish Tribal Office '" Muckleshoot Cultural Resources Program '" 4717 W Marginal Way SW Attn: Ms Melissa Calvert Seattle, WA 98106-1514 39015 172nd Avenue SE Auburn, WA 98092-9763 KC Wastewater Treatment Division '" Office of Archaeology & Historic Preservation'" Environmental Planning Supervisor Attn: Gretchen Kaehler Ms. Shirley Marroquin PO Box 48343 201 S. Jackson ST, MS KSC-NR-050 Olympia, WA 98504-8343 Seattle, WA 98104-3855 City of Newcastle City of Kent Attn: Steve Roberge Attn: Mr. Fred Satterstrom, AICP Director of Community Development Acting Community Dev. Director 13020 Newcastle Way 220 Fourth Avenue South Newcastle, WA 98059 Kent, WA 98032-5895 Puget Sound Energy City of Tukwila Municipal Liaison Manager Steve Lancaster, Responsible Official Joe Jainga 6200 South center Blvd. PO Box 90868, MS: XRD-01W Tukwila, WA 98188 Bellevue, WA 98009-0868 '" Note: If the Notice of Application states that it is an "Optional DNS", the marked agencies and cities will need to be sent a copy of the Environmental Checklist, Site Plan PMT, and the Notice of Application. """Department of Ecology is emailed a copy of the Environmental Checklist, Site Plan PMT, & Notice to the following email address: sepaunit@ecy.wa.gov template -affidavit of service by mailing OF ENVIRONMENTAL DETERMINATION AND PUBLIC HEARING ISSUANCE OF A DETERMINATION OF NON-SIGNIFICANCE -MITIGATED (DNS-M) POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION PROJECT NAME: PROJECT NUMBER: LOCATION: Taxiway B Rehabilitation Project LUA12-052, ECF. SME, SP 616 W Perlmter Road DESCRIPTION: The applicant Is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway a, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located In the High Intensity Shoreline Overlay. The rehabilitation project Is divided Into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which Is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway 8 and Is required to obtain a Special Grade and Fill Permit, which Is Included in the application. Both Phase 1 and 2 would Include new storm drainage, pavement, striping, directional safety slgnage and taxiway edge lighting. Phase 2 would also include a replacem~nt of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERe) HAS DETERMINED THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE ENVIRONMENT, Appeals of the environmental determination must be flied in writing on or before 5:00 p.m. on December 14, 2012, together with the required fee with: Hearing Examiner, City of Renton, lOSS South Grady Way, Renton, WA 98057. Appeals to the Examiner are governed by City of RMC 4-8-110 and Information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425) 430-6510. A PUBLIC HEARING WILL BE HELD BY THE RENTON HEARING EXAMINER AT HIS REGULAR MEETING IN THE COUNCIL CHAMBERS ON THE 7TH FLOOR OF CITY HALL, 105S SOUTH GRADY WAY, RENTON, WASHINGTON, ON DECEMBER 18, 2012 AT 1:30 PM TO CONSIDER THE FILL AND GRADE PERMIT, IF THE ENVIRONMENTAL DETERMINATION IS APPEALED, THE APPEAL WILL BE HEARD AS PART OF THIS PUBLIC HEARING, FOR FURTHER INFORMATION, PLEASE CONTACT THE CITY OF RENTON, DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT AT (425) 430-7200, DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION. Denis Law. Mayor N~vember 21, 2012 .... Department of Community a~d Econo'mic Development Wendell Johrison Reid Middleton 728134th Street #200 Everett,WA 98204· . C.E."Chip"Vincent,Administrator · SUBJECT: ENVIRONMENTAL (SEPAl THRESHOLD DETERMINATION'· .'. TaxiwayBRehabilitation Project,LUA12-0S2, ECF,SME, SP Dear Mr. Johnson: . • This letter is writt~n on behalf'of the Environmental Review Committee (ERC) to advise · you that they have completedtheirreview ofthe subject project and have issued a . threshold Determination of NQn-Significanrie'Mitig~ted with Mitigation Measures. . · Please refer totheenclosed ERCReport, for alistofthe Mitigation f\ileasures," . · Appeals of the eiwironniental determi~ation must be filedinwritingon or before 5:00 . ·p.m. em Dece'mber 14;2012,~tOgether with the required fee with,: Hearing Examiner,. Cityof Renton, 1055 South Grady Way, Rentor;,'WA98057. Appeals to the Examine'r are · governed by RMC4-8-110 and informatl6nregarding the appeal process may be' obtained'fro~ the CityCle~k's Office,(425) 430-6510. " .' . '"Also, a public hearing has'been scheduled by the Hearing Examiner intheCouricii Chambers bn the seventh floor of City Hall on Decemb.er 18, 20i2atl:30 p.m. to . c.onsiderthe Special Grade and Fill Permit. The applicant orrepresentative(s) of the applicant is required to be present at the 'pub'licheari~g·. A copy of the staff . . .recommendation will be mailed to you prior to the hearing. If the Environmental Determination is appealed, the appeal will be heard as part of this public hearing. -. . . " " . " .." · If you have any furthe/questions, please call me at (425) 430-7314 .. · . . For the En~ironm~ntal Revie~ Committee, .' -. . -' -., ·····.·~··~o/~ .~ .... · Vanessa Dolbee • Senior Planner . Enclosure · cc: Renton Municipal Airport'! Owner!s) Renton City Hall. 1055 South Grady Way • Renton;Washington980S7 • rentonwa.gov Denis Law Mavor November 21, 2012 Department of Community and Economic Development C.E. "Chip" Vincent, Administrator Washington State Department of Ecology Environmental Review Section PO Box 47703 Olympia, WA 98504-7703 Subject: ENVIRONMENTAL (SEPAl THRESHOLD DETERMINATION Transmitted herewith is a copy of the Environmental Determination for the following project reviewed by the Environmental Review Committee (ERe) on November 19, 2012: SEPA DETERMINATION: PROJECT NAME: Determination of Non-Significance Mitigated (DNSM) Taxiway B Rehabilitation Project PROJECT NUMBER: LUA12-052,ECF, SME, SP Appeals of the environmental determination must be filed in writing on or before 5:00 p.m. on December 14, 2012, together with the required fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98057. Appeals to the Examiner are governed by RMC 4-8-110 and information regarding the appeal process may be obtained from the City Clerk's Office, (425) 430-6510. Please refer to the enclosed Notice of Environmental Determination for complete details. If you have questions, please call me at (425) 430-7314. For the Environmental Review Committee, Vanessa Dolbee Senior Planner Enclosure cc: King County Wastewater Treatment Division Boyd Powers, Department of Natural Resources Karen Walter, Fisheries, Muckleshoot Indian Tribe Melissa Calvert, Muckleshoot Cultural Resources Program Gretchen Kaehler, Office of Archaeology & Historic Preservation Ramin Pazooki, WSDOT, NW Region Larry Fisher, WDFW Duwamish Tribal Office US Army Corp. of Engineers Renton City Hall • 1055 South Grady Way • Renton, Washington 98057 0 rentonwa.gov DEPARTMENT OF COtMUNITY AND ECONOMIC DEVELOPMENT DETERMINATION OF NON-SIGNIFICANCE-MITIGATED MITIGATION MEASURES AND ADVISORY NOTES PROJECT NUMBER: LUA12-052, ECF, SME, SP APPLICANT: Renton Municpal Airport PROJECT NAME: Taxiway B Rehabilitation Project PROJECT DESCRIPTION: The applicant has requested SEPA Review, Shoreline Exemption and a Special Grade and Fill Permit (for Phase II only) for a rehabilitation of 341,065 SF of Taxiway B, located at the Renton Municipal Airport, zoned 1M and located in the High Intensity Shoreline Overlay. PROJECT LOCATION: LEAD AGENCY: MITIGATION MEASURES: 616 W Perimeter Road The City of Renton Department of Community & Economic Development Planning Division 1. The applicant shall comply with the recommendations included in the Geotechnical Engineering Report and the Technical Memorandum prepared by HWA GeoSciences Inc., dated October 17, 2012 and April 27, 2012 respectively. 2. If any Native American grave(s) or archaeological/cultural resources (Indian artifacts) are found, all construction activity shall stop and the owner/developer shall immediately notify the City of Renton Planning Division, concerned Tribes' cultural committees, and the Washington State Department of Archeological and Historic Preservation. ADIVISORY NOTES: The following notes are supplemental information provided in conjunction with the administrative land use action. Because these notes are provided as information only, they are not subject to the appeal process for the land use actions. Planning: 1. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 pm, Monday through Friday unless otherwise approved by the Development Services Division. 2. Commercial, multi-family, new single family and other nonresidential construction activities shall be restricted to the hours between seven o'clock (7:00) a.m. and eight o'clock (8:00) p.m., Monday through Friday. Work on Saturdays shall be restricted to the hours between nine o'clock (9:00) a.m. and eight o'clock (8:00) p.m. No work shall be permitted on Sundays. 3. Within thirty (30) days of completion of grading work, the applicant shall hydroseed or plant an appropriate ground cover over any portion of the site that is graded or cleared of vegetation and where no further construction work will occur within ninety (90) days. Alternative measures such as mulch, sodding, or plastic covering as specified in the current King County Surface Water Management Design Manual as adopted by the City of Renton may be proposed between the dates of November 1st and March 31st of each year. The Development Services Division's approval of this work is required prior to final inspection and approval of the permit. 4. A National Permit Discharge Elimination System (NPDES) permit is required when more than one acre is being cleared. Plan Review -Water: 1. As part of Phase 2 the project proposes to replace a portion of the existing water line along the east side of the runway. The new water line shall be connected to an existing city water main located at the southeast corner of the site. The size of the new line shall be 12- inch minimum and the new flush-type hydrants shall be connected to this new line. 2. The new line cannot be connected to the existing line within the airport that is fed by the Boeing private fire system. The airport property is within the city's water service area and as such, any new water main extension, including hydrants, should be connected to the city's water system as required by City Code for all development/redevelopment projects within the City's water service area. 3. The new watermain needs to be shown on the proposed conceptual utility plan. Plan Review -Sanitary Sewer: 1. Project as submitted does not trigger any sanitary sewer improvements. Plan Review -Street Improvements: 1. Additional street improvements will not be required. 2. Traffic Mitigation fees do not apply. Plan Review -Storm Drainage: 1. A conceptual drainage plan and report was submitted with the formal application for Phase I only. The report states that the project will comply with the City of Renton Amendments to the 2009 King County Surface Water Design at the time of development. A drainage plan and drainage report will be required with the site plan application. The report shall comply with the 2009 King County Surface Water Manual and the City of Renton Amendments to the KCSWM, Chapter 1 and 2. 2. A geotechnical report for the site is required. Information on the water table and soil permeability, with recommendations from the geotechnical engineer for appropriate flow ERe Mitigation Measures and Advisory Notes Page 2 of 3 control BMP options with typical designs for the site, shall be submitted with the application. Plan Review -General: 1. Any fill will be required to submit a "Fill Source Statement". 2. All required utility, drainage, and street improvements will require separate plan submittals, prepared according to City of Renton drafting standards, by a licensed Civil Engineer. 3. All plans shall be tied to a minimum of two of the City of Renton Horizontal and Vertical Control Network. 4. Permit application must include an itemized cost estimate for these improvements. Half of the fee must be paid upon application for building and construction permits, and the remainder when the permits are issued. There may be additional fees for water service related expenses. See Drafting Standards. Fire and Emergency Services: Separate plans, permits, reviews for watermain replacement and any fuel tanks associated with the generator installation would be required. ERe Mitigation Measures and Advisory Notes Page 3 013 DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT ENVIRONMENTAL (SEPA) DETERMINATION OF NON-SIGNIFICANCE -MITIGATED (DNS-M) PROJECT NUMBER: LUA12-052, ECF, SME, SP APPLICANT: Renton Municpal Airport PROJECT NAME: Taxiway B Rehabilitation Project PROJECT DESCRIPTION: The applicant has requested SEPA Review, Shoreline Exemption and a Special Grade and Fill Permit (for Phase II only) for a rehabilitation of 341,065 SF of Taxiway B, located at the Renton Municipal Airport, zoned 1M and located in the High Intensity Shoreline Overlay. PROJECT LOCATION: 616 W Perimeter Road LEAD AGENCY: City of Renton Environmental Review Committee Department of Community & Economic Development The City of Renton Environmental Review Committee has determined that it does not have a probable significant adverse impact on the environment. An Environmental Impact Statement (EIS) is not required under RCW 43.21C.030(2)(c). Conditions were imposed as mitigation measures by the Environmental Review Committee under their authority of Section 4-9-070D Renton Municipal Code. These conditions are necessary to mitigate environmental impacts identified during the environmental review process. Because other agencies of jurisdiction may be involved, the lead agency will not act on this proposal for fourteen (14) days. Appeals of the environmental determination must be filed in writing on or before 5:00 p.m. on December 14, 2012. Appeals must be filed in writing together with the required fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98057. Appeals to the Examiner are governed by RMC 4-8-110 and more information may be obtained from the Renton City Clerk's Office, (425) 430-6510. PUBLICATION DATE: DATE OF DECISION: SIGNATURES: Terry Higashiyama, Admini Community Services Department November 30, 2012 November 19~ 2012 If J l<;d 12-, I { Date Date Services " C.E. "Chip" Vincent, Administrator Department of Community & Economic Development 1 ';/l;/L I I Date j\(11&o'~ Date DEPARTMENT OF CO ... ,\IIUNITY AND ECONOMIC DEVELOPMENT TO: FROM: MEETING DATE: TIME: LOCATION: ENVIRONMENTAL REVIEW COMMITTEE MEETING AGENDA Gregg Zimmerman, Public Works Administrator Terry Higashiyama, Community Services Administrator Mark Peterson, Fire & Emergency Services Administrator C.E. "Chip" Vincent, CED Administrator Jennifer Henning, Current Planning Manager Monday, November 19, 2012 3:00 p.m. Sixth Floor Conference Room #620 Taxiway B Rehabilitation Project LUA12-0S2, ECF, SME, SP (Dolbee) Location: 300 Airport Way. Description: The applicant is requesting SEPA Environmental Review, Shoreline Exemption and Special Grade and Fill Permit for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport .. QFC Fuel Center #871 (Dolbee) LUA12-083, ECF, SA-A Location: 4615 NE 4th Street. Description: The applicant has requested SEPA Environmental Review and Site Plan Review for the construction of a QFC Fuel Center featuring a 3,360 square foot canopy and a 160 square foot cashiers kiosk. cc: D. Law, Mayor J. Covington, Chief Administrative Officer S. Dale Estey, CED Director * D. Jacobson, Deputy PW Administrator -Transportation N. Watts, Development Services Director * L. Warren, City Attorney * Phil Olbrechts, Hearing Examiner D. Pargas, Assistant Fire Marshal* J. Medzegian, Council DEPARTMENT OF COMMU ... ,y AND ECONOMIC DEVELOPMENT ENVIRONMENTAL REVIEW COMMITTEE REPORT ERC MEETING DATE: Project Name: Project Number: Project Manager: Owner/Applicant: Contact: Project Location: Project Summary: Exist. Bldg. Area SF: Site Area: STAFF RECOMMENDA TlON: November 19, 2012 Taxiway B Rehabilitation Project LUA12-052, ECF, SP Vanessa Dolbee, Senior Planner Renton Municipal Airport, 616 West Perimeter Road, Unit A, Renton, WA 98057 Wendell Johnson, Reid Middleton, 728 134'h Street, SUite 200 616 West Perimeter Road The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. 341,989 SF 167.38 acres, site area 341,065 SF (7.84 acres) area of project Proposed New Bldg. Area (footprint): Proposed New Bldg. Area (gross): Total Building Area GSF: None None 341,989 SF Staff Recommends that the Environmental Review Committee issue a Determination of Non-Significance -Mitigated (DNS-M). Project Location Map ERe ReporC12-0S2.doc City of Renton Department of Community c.. )nomic Development Environmental Review Committee Report LUA12-052, ECF, SP TAXIWAY B REHABILITATION PROJECT Report of November 19, 2012 Page 2 of 8 PART ONE: PROJECT DESCRIPTION I BACKGROUND The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay, The proposed project would be located at the Renton Municipal Airport at one of the two parallel taxiways serving the airport main runway. No work would occur outside the Airport site. Under current conditions the Airport is developed with a number of existing buildings, hangars, an air traffic control tower, office and fixed based operations and other airport related uses. The proposed project would not result in changes to any of the existing structures. The site is bordered by Lake Washington to the North, the Cedar River to the east, Commercial Arterial (CA) zoned property to the south and primarily CA zoned property to the west across Rainer Avenue N. The overall project consists of four parts, taxiway rehabilitation/reconstruction, storm drain lines and hydrant water lines rehabilitation, taxiway designation system modifications, and taxiway edge lighting modification, Each part of the project is described in more detail in the table below. Taxiway Rehabilitation of the existing east side taxiway system pavements, Rehabilitation/Reconstruction including the taxiway connections to the runway from taxiway 'N' at the north and to the south connection at Runway 34. It is anticipated that the pavement rehabilitation/reconstruction could employ various partial depth or full depth reconstruction methods including hot mix asphalt section reconstruction, reconstruction utilizing Portland Cement Concrete, and milling of the existing asphalt pavement surface followed by re-paving of new asphalt surface. Storm Drain Lines and This would include replacing several failing concrete storm drain lines with Hydrant Water Line ductile iron that cross Taxiway Band K. A portion of an existing water line Rehabilitation in the vicinity of the south end of the project sit would be evaluated for likely replacement as part of Phase 2. Surface grades and associated drainage efficiency within turf infield areas between Taxiway Band Runway 34 will be evaluated. These areas may require regarding to alleviate existing stormwater ponding issues. New drainage structures would be constructed to facilitate capture of stormwater from re- contoured pavement and turf areas. Taxiway Designation System A new taxiway designation system would be developed and the existing Modficaitons airfield signage system would be modified as necessary to reflect the new designations. The existing designations that include designators such as G, H, N, etc., are proposed to be changed to Ai, A2, Bl, B2 etc. This change would result in a need for new signage, including sign hardware and concrete foundations. Taxiway Edge Ligthing Taxiway edge lighting is proposed to be adjusted or replaced as necessary Modfiications to be compatible with new pavement surfaces that result form the taxiway rehabilitation /reconstruction. ERe ReporC12-052.doc City of Renton Department of Community & r:"onomic Development TAXIWAY B REHABILITATION PROJECT Environmental Review Committee Report WAI2·0S2, ECF, SP Report of November 19, 2012 Page 3 of 8 The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit, Pursuant to RMC 4·9·080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both Phase 1 and 2 would require a Shoreline Exemption as both are located within 200 feet of the Ordinary High Water Mark (OHWM) of the Cedar River. The closest point of work is 64 feet from the flood wall which is estimated to be the approximate location of the OHWM. Phase 1 is anticipated to begin construction during the spring and early summer of 2013 and Phase 2 is scheduled to be started in late summer and early fall of 2012 pending Federal Aviation Administration (FAA) funding constraints. Approximately 2,250 cubic yards of gravel, import borrow material, topsoil and new asphalt would be required to bring the renovated taxiway to design grade for Phase 1 and 6,700 cubic yards would be required to be imported for Phase 2. Both phase 1 and 2 are anticipated to increase existing impervious surface. Phase 1 would increase impervious surface by one half percent over the existing 104,110 square feet and phase 2 would increase impervious surface by eight·tenths of one percent over the existing 234,700 square feet of existing impervious surface area. I PART TWO: ENVIRONMENTAL REVIEW In compliance with RCW 43.21C.240, the following environmental (SEPA) review addresses only those project impacts that are not adequately addressed under existing development standards and environmental regulations. A. Environmental Threshold Recommendation Based on analysis of probable impacts from the proposal, staff recommends that the Responsible Officials: Issue a DNS-M with a 14-day Appeal Period. B. Mitigation Measures C. 1. The applicant shall comply with the recommendations included in the Geotechnical Engineering Report and the Technical Memorandum prepared by HWA GeoSciences Inc., dated October 17, 2012 and April 27, 2012 respectively. 2. If any Native American grave(s) or archaeological/cultural resources (Indian artifacts) are found, all construction activity shall stop and the owner/developer shall immediately notify the City of Renton Planning Division, concerned Tribes' cultural committees, and the Washington State Department of Archeological and Historic Preservation. Exhibits Exhibit 1 Neighborhood Detail Map Exhibit 2 Project Site Plan -sheet G1.2 Exhibit 3 Project Site Plan -Sheet G1.3 Exhibit 4 Project Site Plan -Sheet G1,4 Exhibit 5 Utility Plan, Generalized ERe Report_12·0S2.doc City 0/ Renton Department 0/ Community I. momic Development TAXIWAY B REHABILITATION PROJECT Report of November 19, 2012 D. Environmentallmpacts Environmental Review Committee Report LUAll·OS2, ECF, SP Page 4 of 8 The Proposal was circulated and reviewed by various City Departments and Divisions to determine whether the applicant has adequately identified and addressed environmental impacts anticipated to occur in conjunction with the proposed development. Staff reviewers have identified that the proposal is likely to have the following probable impacts: 1. Earth Impacts: The applicant submitted a Draft Geotechnical Engineering Report and a Technical Memorandum for the Section Improvements both prepared by HWA GeoSciences Inc., dated July 28,2011 and October 17, 2012 respectively. Based on the provided Geotechnical Report Taxiway B is approximately 3,300 feet long, and 25 -SO feet wide, and consists of asphaltic concrete pavement in the general aviation area and Portland Cerement concrete panels overlain by asphaltic concrete in the area trafficked by large commercial aircraft. The ground surface in the vicinity of this project is predominantly flat. HWA conducted subsurface investigation by means ofthree test pits and twenty pavement cores ranging in depths from 3.5 to 4 feet, in addition to hand boring. In addition to the test pits and pavement cores HWA conducted Dynamic Cone Penetration (DCP) testing to check relative soil density/strength conditions. The data obtained from the DCP test is then correlated to approximate California Bearing Ratio (CBR) values, in order to evaluate the strength of the subgrade soils. The provided Geotechnical Report identified that the native soils consists predominately of soft to medium stiff organiC or sandy silts within the northern and central portions of the project alignment. These subgrade soils are weak exhibiting in-place CBR values ranging from 1 to 5 percent and averaging about 3 percent. Furthermore, the report identified that within the southernmost portion of the project alignment, in the infield cut-out area (Core-lO) and at the southern end of Taxiway B (Core -11) the pavement is underlain by granular fill and sandy alluvial soils. The subgrades at this location appear to be moderately strong exhibiting estimated in-place CBR values ranging from 19 to 40 percent. Additionally the report addressed soil conditions along the main portion of the southern taxiway connector and identified the pavement is underlain by loose to medium stiff, silty sand to sandy silt alluvial soils and at other locations the pavement is underlain by relatively thick sections of strong granular fill and native materials exhibiting estimated in-place CBR values ranging from SO to 100 percent. The provided Geotechnical Report evaluated the local water table and concludes that seasonally perched ground water would be encountered at depths ranging from 2.2 to 5.4 feet below the existing ground surface. The report concludes that the ground water level in the area is high and would be especially high during the wet weather season. The report further concludes that the presence of a high ground water table further decreases the already low infiltration potential of the subgrade soils. Following this conclusion, the report provides recommendations on drainage below the pavement and along the edge of the taxiways. Due to the potential for premature pavement distress and frost-heaves effects as a result of ground water staff recommends as a mitigation measure that the applicant comply with the recommendation included in the Geotechnical Report. The provided Technical Memorandum was prepared to provide a concise summary of the pavement and sub-surface conditions observed within the North section of Taxiway B and provide generalized recommendations for treatment of sub soils that can be incorporated into remedial ERe ReporC12·052.doc City 0/ Renton Department 0/ Community & __ .,momic Development TAXIWAY B REHABILITATION PROJECT . Report of November 19, 2012 Environmental Review Committee Report WA12-0S2, ECF, SP Page 5 of 8 design. This Memorandum is based off the information included in the Geotechnical Report referenced above. The Technical Memorandum states that the existing pavement surface within the apron area is in poor to fair condition. In general, the type of distress exhibited by the pavement surface in these areas indicate that drainage is inadequate and a pavement section comprised of 2 to 4.5 inches of Hot Mix Asphalt (HMA) over 0 to 6 inches of base course is too thin to support current applied loads. Based on this conclusion the Technical Memorandum provides recommendations on subgrade preparation including granular subgrade and silt subgrade, cement treatment, geogrid reinforcement, and underdrains. As such, staff recommends as a mitigation measure that the applicant comply with the recommendations included in the Technical Memorandum. Mitigation Measures: The applicant shall comply with the recommendations included in the Geotechnical Engineering Report and the Technical Memorandum prepared by HWA GeoSciences Inc., dated October 17, 2012 and April 27, 2012 respectively. Nexus: SEPA Environmental Review, RMC 4-3-050 Critical Areas Regulations, RMC 4-4-060 Grading, Excavation and Mining Regulations. 2. Water a. Wetland, Streams, Lakes Impacts: The subject site is located within 200 feet of the Ordinary High Water Mark (OHWM) of the Cedar River and therefore is located in the Shoreline High Intensity Overlay. The closest point of work is 64 feet from the flood wall which is estimated to be the approximate location of the OHWM. Approximately 430 feet of the north end of Taxiway B lies within the 200 foot Shoreline Jurisdiction. The subject project has been identified as an essential public facility pursuant to the Administrator of the Department of Community and Economic Development. Therefore, the project would be exempt from Buffers and Setbacks pursuant to RMC 3-4-090D.7.d.vi. However the project has designed and constructed the development to meet the specified dimensional standards to the maximum extent feasible. Mitigation Measures: No further mitigation required Nexus: N/A b. Storm Water Impacts: The applicant submitted a Technical Information Report (TIR) for both Phase 1 and Phase 2 prepared by Reid Middleton, dated October 2012 with the application. Based on the provided TIR the site is located in the Lower Cedar River Basin and Cedar Outfall Subbasin. The TIR describes existing stormwater conditions of the project, which identify that the taxiway and runway slope inward toward the grass infield area where surface water is directed, through depressions or swales towards catch basins near the western side of Taxiway B. The.flow is then collected in the catch basins, diverted through a series of pipes and catch baSins, and then discharged through outfalls along the western side of the Cedar River. The applicant has proposed to upgrade the existing surface water drainage facilities with a combination of wet biofiltration swales, filter strips, catch baSins, DIP, and high-density polyethylene (HOPE) pipe. The provided TIR has indicated that along the eastern side o(the taxiway crown, surface water would typically be collected and conveyed through catch basins and sent to the western side of the taxiway, within the grass infield area. These concentrated flows would be discharged into a flow splitter device for water quality measures. Water quality for the ERe ReporC12-052.doc City of Renton Department of Community (. .lOomic Development TAXIWAY B REHABILITATION PROJECT Report of November 19, 2012 Environmental Review Committee Report LUA12·0S2, ECF, SP Page 6 of 8 concentrated flows would be conveyed through a wet biofiltration swale. The TIR identifies that the swale would be designed to meet the King County Service Water Design Manual (KCSWDM) basic treatment criterion of removing 80 percent of the total suspended solids. After leaving the biofiltration swale the stormwater is proposed to be collected in a catch basin and diverted toward the east through a series of surface water facilities and finally discharge to the Cedar River. The TIR describes the stormwater proposal for the western side of the taxiway crown as all nonconcentrated flows which would be treated by filter strips, which would then be conveyed to catch basins where the water would combine with the treated flow from the wet biofiltattion swale. Overall the project would not change the stormwater discharge locations as it currently' exists today. Section 2 of the TIR identifies that the project would use Best Management Practices (BMPs) for flow control and would install such measure in accordance with the requirements of the KCSWDM. Furthermore a Stormwater Pollution Prevention Plan (SWPPP) for the construction activities would be developed as a part of the overall project. Mitigation Measures: No further mitigation required Nexus: N/A 3. Historic and Cultural Preservation Impacts: The subject site is located in an area of known Cultural Resources. The Black River once flowed near the subject site connecting to the White River. Developments within the vicinity of the old Black River channel are more likely to be sites where significant historic and/or cultural resources would be found, and the subject development has indicated that site grading would be conducted. Therefore, staff recommends a mitigation measure that requires the applicant and/or developer to stop work and immediately notify the City of Renton Planning Division, concerned Tribes' cultural committees, and the Washington State Department of Archeological and Historic Preservation if any Native American grave(s) or archaeological/cultural resources (Indian artifacts) are found. Mitigation Measures: If any Native American grave(s) or archaeological/cultural resources (Indian artifacts) are found, all construction activity shall stop and the owner/developer shall immediately notify the City of Renton Planning Division, concerned Tribes' cultural committees, and the Washington State Department of Archeological and Historic Preservation. Nexus: SEPA Environmental Regulations E. Comments of Reviewing Departments The proposal has been circulated to City Department and Division Reviewers. Where applicable, their comments have been incorporated into the text of this report and/or "Advisory Notes to Applicant." .,( Copies of all Review Comments are contained in the Official File and may be attached to this report. The Environmental Determination decision will become final if the decision is not appealed within the 14-day appeal period (RCW 43.21.C.075(3); WAC 197-11-680). ERe ReporC12·0S2.doc City 0/ Renton Department of Community b. Jnomic Development TAXIWAY S REHASILITATION PROJECT Report of November 19, 2012 Environmental Review Committee Report WA12-0S2, ECF, SP Page 7 of 8 Environmental Determination Appeal Process: Appeals of the environmental determination must be filed in writing together with the required fee to: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98057, on or before 5:00 p_m_ on December 14, 2012_ RMC 4-8-110 governs appeals to the Hearing Examiner and additional information regarding the appeal process may be obtained from the City Clerk's Office, Renton City Hall-7'h Floor, (425) 430-6510. ADVISORY NOTES TO APPLICANT The following notes are supplemental information provided in conjunction with the administrative land use action. Because these notes are provided as information only, they are not subject to the appeal process for the land use actions. Planning: 1. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 pm, Monday through Friday unless otherwise approved by the Development Services Division. 2. Commercial, multi-family, new single family and other nonresidential construction activities shall be restricted to the hours between seven o'clock (7:00) a.m. and eight o'clock (8:00) p.m., Monday through Friday. Work on Saturdays shall be restricted to the hours between nine o'clock (9:00) a.m. and eight o'clock (8:00) p.m. No work shall be permitted on Sundays. 3. Within thirty (30) days of completion of grading work, the applicant shall hydroseed or plant an appropriate ground cover over any portion of the site that is graded or cleared of vegetation and where no further construction work will occur within ninety (90) days. Alternative measures such as mulch, sodding, or plastic covering as specified in the current King County Surface Water Management Design Manual as adopted by the City of Renton may be proposed between the dates of November 1st and March 31st of each year. The Development Services Division's approval of this work is required prior to final inspection and approval of the permit. 4. A National Permit Discharge Elimination System (NPDES) permit is required when more than one acre is being cleared. Plan Review -Water: 1. As part of Phase 2 the project proposes to replace a portion of the existing water line along the east side of the runway. The new water line shall be connected to an existing city water main located at the southeast corner of the site. The size of the new line shall be 12-inch minimum and the new flush-type hydrants shall be connected to this new line. 2. The new line cannot be connected to the existing line within the airport that is fed by the Boeing private fire system. The airport property is within the city's water service area and as such, any new water main extension, including hydrants, should be connected to the city's water system as required by City Code for all development/redevelopment projects within the City's water service area. 3. The new watermain needs to be shown on the proposed conceptual utility plan. Plan Review -Sanitary Sewer: 1. Project as submitted does not trigger any sanitary sewer improvements. Plan Review -Street Improvements: 1. Additional street improvements will not be required. 2. Traffic Mitigation fees do not apply. ERe ReporC12-052.doc City 0/ Renton Department of Community & c:.---onomic Development TAXIWAY B REHABILITATION PROJECT Report of November 19, 2012 Plan Review -Storm Drainage: Environmental Review Committee Report WAl2-0S2, ECF, SP Page 8 of 8 1. A conceptual drainage plan and report was submitted with the formal application for Phase I only. The report states that the project will comply with the City of Renton Amendments to the 2009 King County Surface Water Design at the time of development. A drainage plan and drainage report will be required with the site plan application. The report shall comply with the 2009 King County Surface Water Manual and the City of Renton Amendments to the KCSWM, Chapter 1 and 2. 2. A geotechnical report for the site is required. Information on the water table and soil permeability, with recommendations from the geotechnical engineer for appropriate flow control BMP options with typical designs for the site, shall be submitted with the application. Plan Review -General: 1. Any fill will be required to submit a "Fill Source Statement". 2. All required utility, drainage, and street improvements will require separate plan submittals, prepared according to City of Renton drafting standards, by a licensed Civil Engineer. 3. All plans shall be tied to a minimum of two of the City of Renton Horizontal and Vertical Control Network. 4. Permit application must include an itemized cost estimate for these improvements. Half of the fee must be paid upon application for building and construction permits, and the remainder when the permits are issued. There may be additional fees for water service related expenses. See Drafting Standards. Fire and Emergency Services: 1. Separate plans, permits, reviews for watermain replacement and any fuel tanks associated with the generator installation would be required. ERe Report_12-052.doc Neoglhlborlhloodl De~ao~ Map Notes None 1,049 o 1:12,587 o 524 1,049 Feet NAD_1983_HARN_StatePlane_Washington_ North_FIPS_ 4601 CltyofRentone Finance & IT Division Legend o Jurisdiction Boundaries [1 Other [1 City of Renton Parcels Overlay Districts IZl Auto Mall A [S} Auto Mall B D Employment Area Valley .~ :'..i J71 City Center Sign Regula~on Area Urban Design District A Infonnatlon • GIS RentonMapSupport@Rentonwa.gov 11/9/2012 EXHIBIT 1 This map Is a user generated static output from an Intemel mapping site and is for reference only. Data layers that appear on this map mayor may no! be accurate, current, or otherwise reliable. THIS MAP IS NOT TO BE USED FOR NAVIGATION \ iSI.I-1-Ht--Hi 0 I(~ ~ 0 0 a: 12> ,.--- C- o • i 0 !l: . :;;: 0 Imr'j.: 0 , , .:. , c( ~tL ;;t I-~ "'-. , ~ j .. , 0 o . ... , , , , , , '.' , , I , . , 1=' , ;'J , I • '- ~ I~ ~ t~ ~ o I- ~ .* ! 1- ,. \ /:"'0 133H8 iJ3t t6\'-ltl2' lij K'liIIi~'P] OOZ..s·jS p;JtS IjJtfI RZl 1~v1d 31IS 103ro~d 8'9'H3~ 8 J..'rIMf1:ll1 H.UION ~'I'I'cM:llNlVlHOOOI:I-NO.IJoIJII:IOAU:l I !' I . Vanessa Dolbee From: Sent: To: Cc: Subject: Follow Up Flag: Flag Status: Hello Vanessa, Wendell Johnson <wjohnson@reidmiddleton.com> Thursday, December 06,20122:02 PM Vanessa Dolbee Ben Sommer; Kurt Addicott; Jonathan R Wilson FW: Taxiway B Follow up Flagged (AJAIZ-CJ5Z- In answer to your question this morning, we addressed dust control in the TIR with the following paragraph: "The Contractor shall control dust to prevent sediment transport from exposed, dry surfaces to the adjacent waterways. it is anticipated that the Contractor will use water in these areas; however, the King County Storm Water Design Manual (KCSWDM) also allows the Contractor to utilize calcium chloride, magnesium chloride, lignin derivatives, tree resin emulsions, and synthetic polymer emulsions as other means of suppressing dust from the project." in talking with our engineers, preference for the use of water for dust control will be communicated to the contractor. Let me know if you need any other information. Thanks! Wendell Johnson, AICP, PLS Director, Development Services Reid Middleton Engineers I Planners I Surveyors 425-741-3800 I Fax: 425-741-3900 Vanessa Dolbee From: Sent: To: Cc: Abdoul Gafour Tuesday, December 04,20125:01 PM Arneta J. Henninger; Vanessa Dolbee Jonathan R Wilson; Ben Dahle 0VA I l.-OS""L Subject: RE: Review comments on meeting notes 8/27/2012 -Airport Water Plan Follow Up Flag: Follow up Flag Status: Flagged Arneta, Vanessa: Water Utility has agreed not to require the airport Taxiway B project to connect the new section of water main to the existing City-owned water line. The taxiway project will be replacing a portion of the existing airport fire protection water line (non-potable) and it will reconnect to the same fire protection water system currently maintained by the airport. Abdou/ Gafour Water Engineering Supervisor City of Renton Public Works 1055 S Grady Way Renton, WA 98057 425-430-7210 agafour@rentonwa.gov From: Arneta J. Henninger Sent: Monday, December 03, 2012 10:39 AM To: Vanessa Do/bee Cc: Abdou/ Gafour Subject: RE: Review comments on meeting notes 8/27/2012 -Airport Water Plan I have not seen any of this. I will have to check with Abdoul to get a status report. Arneta From: Vanessa Dolbee Sent: Monday, December 03, 2012 10:27 AM To: Arneta J. Henninger Subject: FW: Review comments on meeting notes 8/27/2012 -Airport Water Plan Arneta, Please see the response e-mail from Jonathan below. Would this information be enough to amend the water comments from the land use review of the Taxiway B project? Thank you, Vanessa (j)o{6ee Senior Planner 1 Denis Law Mayo,r October 29, 2012 Wendell Jolinson . Reid Middleton 72813.4th Street #200 .' Everett, WA98204 . .. Department.of Community and Econoniic Developm.ent . . C.E."Chip"Vincent, Administrator' ' SUBJECT: .. "Off Hold" Notice ' .' " '. '. Taxiway B Rehabilitation Project, LUAi2~OS2i'ECF, SME, SP • . Dear Mr. Johnson , Thank you for submitting the a"dditi6nal materials requested in the August 6, 2012 lette~. from , . the, City. Your project ti~s been taken off hold and .the City will continue re~iew ofthe Taxiway B Rehabilitation project. . " , The Special Grade.andFill Pe;mithasbeen rescheduled for E~C cinNovernber19, 2012 and is ~eni:atively sched~led to go before the Hearing Examiner on December18,2012 at 1:30p.m.i If you have any questions, please contact meat (425) 430-7314. , ,. Sincerely, . '1I~£Mk' . Vanessa Dolbee Senio~ Planner . ' cc: Renton Mun.i~ipal Airport l6~ner(s) Renton City Hall • 1055 South Grady Way • Ren~on, Washington ·98057 '. rentonwa.gov . '. .. . :, .. DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT DATE: TO: FROM: SUBJECT: M E M 0 RAN DUM October 26, 2012 . Arneta Henninger, Plan Review J Vanessa Dolbee, Senior Planner ~ LUA12-0S2 Taxiway B Rehabilitation Project The applicant has submitted an update set of plans for both phase 1 and 2 of the overall project including an update TIR. Please review and provide updated and/or new comments by November 9,2012. Thank you. h:\ced\planning\current planning\projects\12-0S2. vanessalrouthing memo 2 _12-0S2.docx City of Renton Department of Community & Economic Development ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: ~om\L 1)ev COMMENTS DUE: AUGUST 7, 2012 APPLICATION NO: LUA12-0s2, ECF, SME, SP DATE CIRCULATED: JULY 24,2012 APPLICANT: Renton Municipal Airport PROJECT MANAGER: Vanessa Dolbee PROJECT TITLE: Taxiway B Rehabilitation Project PROJECT REVIEWER: Arneta Henninger SITE AREA: 729,073 sq ft -lot size/341,06s -area of impact EXISTING BLDG AREA (gross): 341,986 square feet LOCATION: 616 W Perimeter Road PROPOSED BLDG AREA (gross) N/A SUMMARY OF PROPOSAL: The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage pavement striping directional safety sign age and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. A. ENVIRONMENTAL IMPACT (e.g. Non-Code) COMMENTS Element of the Probable Probable More Environment Minor Major In/ormation Impacts Impacts Necessary Element 0/ the Probable Probable More EnvIronment Minor Major In/ormation Impacts Impacts Necessary Eorth H, >usino Air Water Plants Land/Shoreline Use ~ Animals Environmental Health Energy/ Natural Resources A~~':i!",FPPt B. POLlCY·RELATED COMMENTS ThIs WOrk 'IS f?v1r-+ o-f 6 1,1+1&11 Ulfl-rnl iY1'"e~~ bofh mt1lln-l-e11~nce and impvvv-evYl-bvrfs -+htlff-~~ ovI ti evil i VI -+-he-Ci~'s; eco VI OVYI'I c-~I 0 pmerrt- C. CODE-RELATED COMMENTS efforts i&' c:iVVW·...I--.-V I I"::' ~~ rtlce.--~eo+o('. We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact Dr areas where additional in/ormation is needed to properly assess this proposal. g /F:t-/I2. , r Date ALJ gust6, 2014 . Wendell Johnson Reid Middleton. 728 134th Street #200 Everett,WA 98204 SUBJECT: . "On Hold" Notice Department of Community and Economic Development . C.E.:'Chip"Vincent, Administrator' . Taxiway B Rehabilitation.project, LUA12-0S2,ECF, SME, SP Dear Mr. Johnson: The Plarlning Division cifthe City of Renton accepted the above master application for review. on July: 24, 2012. During·our review, staff has determined that additio.ri~l: information is necessary in order to proceed furt~er. · TheJoliowing information will need to.besubmitted before January 1, 2013 ~o that we .. may continu~ the review of the above subject application: • An updated Techincallnformation Reportthat addresses bo~h Phase '.1 and Phase 20f the propsoedjJroject Once mmpltedplease provide 4 copies ofthe r.eport .. At thistime,your project !:las been placed "onhold" pending receipt ~f the requested · information .. Please contact me at(425).430:7314 if you have any questions.' .' . Sincerely,. '. .' '.' ' . . ·1(~Le/.~~(~~Ocj~ ' .. . Vanessa Dolbe.e · Senior Planner 'CC: . Renton Mu~icipal Airport i O'J.{ner(s) . Re~to~ City Hall". , q5~ South Grady Way • Rel")ton, WashingtC?n ~8057 • rent~nw~.g~y DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT DATE: TO: FROM: SUBJECT: M E M 0 RAN 0 U M July 27, 2012 Vanessa Dolbee, Planner Arneta Henninger, Plan Review /(4 AIRPORT TAXIWAY B SYSTEM REHABILITATION 616 W PERIMETER ROAD LUA 12-052 I have completed the review for the Airport Taxiway B system rehabilitation, located in Sect. 7 Twp. 23N, Rng 5 E. The following comments are based on the application submittal made to the City of Renton by the applicant. EXISTING CONDITIONS WATER: This site is located in the City of Renton Water service area. The site is located in the One Year Capture Zone. There is an existing 12" 01 water main located on the Airport. See City of Renton drawing number W 3132. The site is located in the 196 water pressure zone. The static pressure is approximately 74 psi. SANITARY SEWER: There is an existing 8"sanitary sewer main on the Airport site, on West Perimeter Rd. See City of Renton drawing 5-1688. STORM: There are existing 12" concrete storm drainage conveyance pipes and facilities on the east side of Taxiway B on the Airport site. CODE REQUIREMENTS WATER • As part of Phase 2 the project proposes to replace a portion of the existing water line along the east side of the runway. The new water line shall be connected to an existing city water main located at the southeast corner of the site. The size of the new line shall be 12-inch minimum and the new flush-type hydrants shall be connected to this new line. • The new line cannot be connected to the existing line within the airport that is fed by the Boeing private fire system. The airport property is within the city's water service area and as such, any new water main extension, including hydrants, should be connected to the city's water system as required by City Code for all development/redevelopment projects within the City's water service area. • The new watermain needs to be shown on the proposed conceptual utility plan. Airport Taxiway B Rehabilitation -Ll -052 Page 2 of 2 SANITARY SEWER • Project as submitted does not trigger any sanitary sewer improvements. STREET IMPROVEMENTS: o Additional street improvements will not be required. o Traffic Mitigation fees do not apply. STORM DRAINAGE o A conceptual drainage plan and report was submitted with the formal application for Phase I only. The report states that the project will comply with the City of Renton Amendments to the 2009 King County Surface Water Design at the time of development. o A drainage plan and drainage report will be required with the site plan application. The report shall comply with the 2009 King County Surface Water Manual and the City of Renton Amendments to the KCSWM, Chapter 1 and 2. o A geotechnical report for the site is required. Information on the water table and soil permeability, with recommendations from the geotechnical engineer for appropriate flow control BMP options with typical designs for the site, shall be submitted with the application. GENERAL o Any fill will be required to submit a "Fill Source Statement". • All required utility, drainage, and street improvements will require separate plan submittals, prepared according to City of Renton drafting standards, by a licensed Civil Engineer. • All plans shall be tied to a minimum of two of the City of Renton Horizontal and Vertical Control Network. o Permit application must include an itemized cost estimate for these improvements. Half of the fee must be paid upon application for building and construction permits, and the remainder when the permits are issued. There may be additional fees for water service related expenses. See Drafting Standards. City 0) ENVIRONMENTAL ,ton Department of Community & Economi( lelopment & DEVELOPMENT APPLICATION REVIEW REVIEWING DEPARTMENT: Ro..n 'Rerv;~ COMMENTS DUE: AUGUST 7, 2012 APPLICATION NO: LUA12-052, ECF, SME, SP DATE CIRCULATED: JULY 24, 2012 APPLICANT: Renton MuniCipal Airport PROJECT MANAGER: Vanessa Dolbee PROJECT TITLE: Taxiway B Rehabilitation Project PROJECT REVIEWER: Arneta Henninger SHEET SITE AREA: 729,073 sq ft -lot size/341,065 -area of impact EXISTING BLDG AREA (gross): 341,986 square feet LOCATION: 616 W Perimeter Road PROPOSED BLDG AREA (gross) N/A SUMMARY OF PROPOSAL: The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High IntenSity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety sign age and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. A. ENVIRONMENTAL IMPACT (e.g. Non-Code) COMMENTS Element of the Probable Probable More Environment Minor Major In/ormation Impacts Impacts Necessary Element of the Probable Probable More Environment Minor Major Information Impacts Impacts Necessary Housina Aesthetics 'ater Light/Glare 'ants Recreation ~ Use Utilities Transportation Public Services ~:~;,~ Historic/Cultural Preservation Airport Environment 10,000 Feet 14 000 Feet B. POLICY-RELATED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas 0/ probable impact or areas where addi . nal in/ormati is nee ed to properly assess this proposal. /0 Av} 00/0 Date City oJ Iton Department of Community & Economic elopment ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: PI'bPev'i-'-l SV~ COMMENTS DUE: AUGUST 7, 2012 APPLICATION NO: LUA12-052, ECF, S~E, SP -...j DATE CIRCULATED: JULY 24,2012 APPLICANT: Renton Municipal Airport PROJECT MANAGER: Vanessa Dolbee PROJECT TITLE: Taxiway B Rehabilitation Project PROJECT REVIEWER: Arneta Henninger SITE AREA: 729,073 sq It -lot size/341,065 -area of impact EXISTING BLDG AREA (gross): 341,986 square feet LOCATION: 616 W Perimeter Road PROPOSED BLDG AREA (gross) N/ A SUMMARY OF PROPOSAL: The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. A. ENVIRONMENTAL IMPACT (e.g. Nan-Code) COMMENTS Element of the Probable Probable More Environment Minor Major Information Element of the Probable Probable More Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housinq Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use Utilities Animals Transportation Environmental Health Public Services Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet B. POLICY-RELATED COMMENTS C CODE-RELATED COMMENTS 7~7~~',ular attention to those areas in which we have expertise and have identified areas Of proboble impact Signature of Director or Authorized Representative Date i \ City 0) Iton Department of Community & Economic efopment ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: l'lrn2"ir uch"m COMMENTS DUE: AUGUST 7, 2012 APPLICATION NO: LUA12-052, ECF, SME, SP DATE CIRCULATED: JULY 24,2012 APPLICANT: Renton Municipal Airport PROJECT MANAGER: Vanessa Dolbee PROJECT TITLE: Taxiway B Rehabilitation Project PROJECT REVIEWER: Arneta Henninger SITE AREA: 729,073 sq ft -lot size/341,065 -area of impact EXISTING BLDG AREA (gross): 341,986 square feet LOCATION: 616 W Perimeter Road PROPOSED BLDG AREA (gross) N/ A SUMMARY OF PROPOSAL: The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. A. ENVIRONMENTAL IMPACT (e.g. Non-Cade) COMMENTS Element of the Probable Probable More Environment Minor Major In/ormation Impacts Imports Necessary Element 0/ the Probable Probable More Environment Minor Major Information Impacts Impacts Necessary Earth Air Water ~' Plants Land/~horeline Use ~ Animals Environmental Health Energy/ Natural Resources "~~¥,i~. 8. POLICY-RELATEO COMMENTS C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where ad ional information is needed to roperly assess this proposal. Signature Date City of Renton Department of Community & Economic Development ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: Y().I{k'.--s D eof-COMMENTS DUE: AUGUST 7,2012 I (') APPLICATION NO: LUA12-052, ECF, SME, SP DATE CIRCULATED: JULY 24, 2012 ~ ~~~~~~~~~~~~~-----------+~~~~~~~~~=---------~C~-Q~--~C~-~ _A~PP~L~ICA~N~T~:~Re~n~t~o~n~M~un~i~ci~p~a~IA~i~rp~o~rt~ ________________ -+~P~R~O~J~ECT~~M~A~N~A~G~E~R~:_V~a~n~e~s~sa~D~o~I=b~e~e ________ ~-e~r-~r-=_--~ ~::! "::' m PROJECT TITLE: Taxiway B Rehabilitation Project PROJECT REVIEWER: Arneta Henninger ~ ~ _ ~~~~~~~~~~~~~~~~~----------r-~~~~~~~~~~~~~----~m~~zr-~~--<: SITE AREA: 729,073 sq ft -lot size/341,065 -area of impact EXISTING BLDG AREA (gross): 341,986 square feet~ ~ ~ m ~~~~~~~~~~~~~~~~~~~~~--~~~~~~~~~~~~~~~~~(')~~z~~~;---tJ LOCATION: 616 W Perimeter Road PROPOSED BLDG AREA (gross) N/A rn SUMMARY OF PROPOSAL: The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Storm water Report were submitted with the application. A. ENVIRONMENTAL IMPACT (e.g. Non-Code) COMMENTS Element of the Probable Probable More Environment Minor Major InformatIon Impacts Impocts Necessary Element of the Probable Probable More Environment Minor Major Information Impacts Impacts Necessary farth Air Water ~ Plants Land/Shorefine Use )tilities Animals Environmental Health Energy/ Natural Resources :.,' .",. T~~Fe~ B. POLICY-RELATED COMMENTS C CODE-RELATED COMMENTS ~CA/LC/lt)~/~ j!) /&;f2J We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact 0'0Whe~e addi~i:a:f/Q(::::.eeded to properly assess this proposal. _~~~'--t=~'td:..l<:...yt;.<£Ld...===---__ 7-2. 7-1'd-. Signature of Director or Authorized Representative Date '\ City of Renton Department of Community & Economic Development ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEf'ARTMEN·T:! COMMENTS DUE: AUGUST 7 2012 APPLICATION NO: ECF APPLICANT: Renton PROJECT TITLE: To,' .... ". B Rehabilitation PROJECT REVIEWER: SITE AREA: 729,073 ft -lot -area of EXISTING BLDG AREA re feet LOCATION: 616 W Perimeter Road PROPOSED BLDG AREA SUMMARY OF PROPOSAL: The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. A. ENVIRONMENTAL IMPACT (e.g. Non-Code) COMMENTS Element of the Probable Probable More Environment Minor Mojor Information Impacts Impacts Necessary Element of the Probable Probable More Environment Minor Major Information Impacts Impacts Necessary Earth Air Water Plants Land Shoreline Use Animals ~ ~. Environmental Health "",ie , Energy/ .. ,. Natural Resources AfiEg\eet 8. POLICY-RELATED COMMENTS C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where additional injormotion is needed properly sess this proposal. Signature of Director or Autho Date City of Renton Deportment of Community & Economic Development ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: F'I (l:. COMMENTS DUE: AUGUST 7, 2012 APPLICATION NO: LUA12-052, ECF, SME, SP DATE CIRCULATED: JULY 24, 2012 APPLICANT: Renton Municipal Airport PROJECT MANAGER: Vanessa Dolbee PROJECT TITLE: Taxiway B Rehabilitation Project PROJECT REVIEWER: Arneta Henninger SITE AREA: 729,073 sq ft -lot size/341,065 -area of impact EXISTING BLDG AREA (gross): 341,986 square feet LOCATION: 616 W Perimeter Road PROPOSED BLDG AREA (gross) N/A SUMMARY OF PROPOSAL: The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. ,Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety signage and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Stormwater Report were submitted with the application. A. ENVIRONMENTAL IMPACT (e.g. Non-Code) COMMENTS Element 0/ the Probable Probable More Environment Minor Major In/ormation Impacts Impacts Necessary Element 0/ the Probable Probable More Environment Minor Major Information Impacts Impacts Necessary Earth Housina Air Aesthetics Woter Uiiht7Glare Plants Recreation Land7Shoreline Use Utilities Animals Trans-oortation Environmental Health Public Services Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet B. POLICY-RELA TED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas Of probable impact Dr areas where additional information is needed to proIJerly assess this proposal. e~D Signature of Director or Authorized Representative Date ----""""" ..... ~c~~' (fltrJ'LC@L01E) NOTICE Of APPLICATION AND PROPOSED DETERMINATION Of NON-SIGNifiCANCE-MITIGATED (DNS-Mj colIon has be.n file<! .nd Iccoptld with \:tI. Deportment of Community. E<"",omk 1I .... lopm.nt ~:;)":.;,~~:~ PlvlJlon of I"" City of Ronlon.. TIl. followln. briefly dllcrlb .. the Ippllcotlon Ino U.e neuuory ""bile Appro .. , •• PATE OF NOTICE OF APPUCA'I'lON: J"'y2~, 20ll LAND UU NUMB!!!.: ~UA12-051, ECf,SME, SP T •• IwIV B Reh.bllltltlon project 'ROJ~CT \,OCAno", 616W porlmete, Rood N F NON.SIGI'IIFltANC~ MITIGAffO IONs-M): '" tile t •• 11 A •• ""y, the C1tycfRenton ha, OPTIONAL DETERMINAllO II I I cU or ""lIk.IV 10 ,.,ult r",m the ",opo •• d prolect, Therefo,., I, dOlerm, In .. ed _:'hl\~~~~~ ~';";~~:;~~'d::; R.nto~ I. using Ihe Optillnol DNS-M pro,o .. Ie live nOll« thai. 0, '" p"rm tto" u",,", ., tnd Iho po". DNS.M .~ Integrated Into' • ng~ M 10 likely 10 b. I"u,d. Comment pe.kld. for ~h: rl~~~", the 1 .. =", 01 tho Thr"hcld Del.""ln.llon of Non. .omment perkld. The'" will be no (ommenl ~ 0 0 S 5Ignlfl."m:e-M~ig.ted (DN5·MI. A 14";IY .pp.II p.,kld will lollowl •• I"uln"" olth. ON ·M PERMIT APPUCATfON DAn: July 3. 1012 NOTICE Of COMPlETI APPUCATlON: 1"IV24,2011 APPUCANTfPROJECT CONTACT PERSON: W.na.llloh ..... n, ~ola Mlllllillon; 1la 134'" 51",11 ncol Ev .. ratt, WA U204; Eml: wjohn.on ... lllmlddlllOn .... m Other ""rmito whltll mlY 1>0 r.lful .. d: Ro"uHled Studle<: \.<!Catlon who .. IPplI<'8Ilon mlY b .. ",vl.w.d, ~"Il.onml"tli ImAI R.vl.w, 5ho,.llno E>c.mptlon, Splc~1 G •• de" fllll'l'mil Construction Plrmlt Dop"rtment '" Community .. konomlc Do .. IOJI""'.1 lCED1-Pllnnlnl WA 01 ...... 1001, 51><1h floo. R .. nton Cty K.Il, lOSS SOuth Gfldy Wly, Ranter., ~B057 d rty 01 .. corel 10 _01"" tuflh., Inl"'mallon on Ihl. proposed p'olect. complele thl. ~:~~u~:~~u~·t~~ ~ :; ~n~:;, CEO _ Plonnlng Divllkln. 1055 So. G"'dy Way. Remon. WA 98057. Nome/file No.: To,"woV B R.1>oblll\ltlon Ptojoct/lUA12-OS1. ECF. SMt. 5P W<ME: __________________________ _ MAIUNGADORESS: ______________________ _ It.u'PHONENO.: ________ _ P\IBUC KEARlNG: CONSlsrENCY OVeRVIEW: 1onl"" .... nd u •• : Envl.onm.ntol Oocumlnts Ih.t e .. l_ tho Prop..-d p,oJect: DI .. I""",ont ~I(III.tlon. U .. d Fo. P"'ject Mlliptlom Propolld Mltliltlon M ...... ,." TIle ,ublect ,It. I. do,llnoted Employment Ar .. Ind",trlll (EAII on lhe City of R.nlon Comp,oh.n,ive Land u.e Mlp .nd Me<llum Industrial (1M) on the CIty'. lonln, Mop. Env~onmontol (SEPAl (h.cldl,1 The p"'l.ct will be '"bjoa to Ih. CIty" 5EPAordlnonce, RMC 4·9.(]aII. RMC4·9. 070. RMC ~.3·tI90. RMC4·9·190 ond other .pplloablo tod •• Ind relul.~o", o. Ipproprllte. The following M~I"llon M •• ,u.o, will l1~oly bw Impo>od on the propo'.d p,ojoct. Those r.commond.d MIIlgotlon Mo .. uru .dd ... 1 P"'joct Impocts not co,"",d bV e.I>lI",.odl.ond "8ulollon'"1 cll.d .bo"e. TIle app/l«>nf .holl._ply wlfh tho .. <ommrMmron l""l"ded In '"e G""'.clmltll/ £""/uollo,,,. p",parOd by HWA Ge05d.nco~ !nt. dut.dMyl~ lOll ondAprfl. 27 20U. Th. appll«>nI ,hall romply with file ,..."",mend"'IOI1' Includod In ,h. Tochnl«>llnform"rion Report. p",po,..d by Reid Middleton, d"lfd ,uly 2012 If any Nar~ American Qrtl •• (.) or "rchorologJc"V<uitUrtl) ,"",'IrCO, (Indion ."1I1/oa,) ",.. found oil <OI1.fructicn !JCIlvlty snail Jtop and Ihc oWn.r/de .. lopor 'hal/ ImmedlOlely ""Illy th. CIty of Ronton pJonnlnQ depollment con ...... d Trl""" "J/lurol """mllto' ... and tho WouhlnglOl1 5talt Deportment oj Archeology and Historic Commlms on the abave opplltltlon must b. ,ubmlttld In w~tl .. to Vln.'" Delb.l. Senlo. PI.nnl'. CEO _ Plannni Olvlslon, 10S5 Soldh G.ady Way. RenlOn, WA 98057. by 5,00 PM on ""'IU'I~. IOU. Tols mlttOr II .1.0 10n ... IVtlly "h.dulad 10.' ""bll< h •• tlnr on Sopt.mbl' 11. 1012. ot 10:00 •. m •• Co"nell Cham b .... S.v.nlh fl<>o'. ~.nton ~IIY IlIII lOSS Soulh GfJdyWlY. R.nlon. IIVOu ... lnIO'.'led In .!tendln,lh. h •• tlng. pl .... <ont.<:1;lh. PI.nnln, OM5Ion \0 ;n.u.~ lhaltho 1> •• rl", h .. not be.n roKh.duled II (4151430-7282. IfrommonUannot be ,ubmltted In wrlling by Ih. d.t. Indo:".d Iboy •• yOu mly 01111 .pptlr.1 the he .. lng Ind pr •• ent yO"' 'ommonU on tho propo .. 1 before tn. Hu.lni E .. mlne •• II you """. quo,tlon, .boul Ihlo p",,,,, .. I. or wloh to b. mod •• ""rly of retard Ind •• eel .. oddltlon.1 InlormOllon by mall. pl •• se conlOct \he proJ.ct minas ... Anyone who ,ubmlU wrltten commonlS will ,ulomltloally b.come • party of ,""co,d .nd will b. notified of I.Y d~cl.lon on Ihl' P"'j'ct. . CONTACT PERSON: Vanessa Dolbee, SenIor Planner; Tel: (425) 430-7314; Eml: vdolbee@rentonwa.gov CERTIFICATION I, ~~ 1j---, hereby certify that '5 copies of the above docume t _ Date: ilZ'I/tZ---Signed:~t STATE OF WASHINGTON ) COUNTY OF KING ) SS ) I certify that I know or have satisfactory evidence tha;t=-===--,-",=-..ll.-""'CA.~_--,-=---,,-,,--__ _ signed this instrument and acknowlepged it to be hi the uses and purposes mentioned in t))e 'inst'ru ent 1 11111 /if',- Dated: -ifLf-n.IIII~~~~~,f1- lCJ4;.,-'~Sslot;"'~~r-,,~, ~~j;yPu'bfu~i~n~a~n~dlto;-;r~t~h~e~S~tait~e~o~ffiwNaa~Shhlj;;-n;;;gtt,o;;n;;---~ ,-~ +-<>"7 ~ 1,2 ~OTAR'--<1>, ~ ~. r~..... ~ ~ l Pu"'"'""Not<ftY (I~int): ~ Q [\ f'\. ~ ~ \ BUG.: ~ ~ --...... xr~~ ...... .,.. -:'";---l ....... ~ ... I\\,Y-'\---""Y""'t\"'c.,'--__ ~~.~~~e~~ires:_--=~-L-'I_ "-_---J-l-1 t;:hl.u.'-"J<-Yt-_____ _ . ~-_r;t:' W,\S"'~"II\ ''''''.N/IIII I CITY OF RENTON DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT -PLANNING DIVISION AFFIDAVIT OF SERVICE BY MAILING On the 24th day of July, 2012, I deposited in the mails of the United States, a sealed envelope containing Acceptance Letter, Notice of Application (NOA), Environmental Checklist, Site Plan documents. This information was sent to: Name Agencies -NOA, Env. Checklist, Site Plan Wendell Johnson, Reid Middleton -Accpt Ltr Renton Municipal Airport -Accpt Ltr, NOA 300' Surrounding Propert Owners -NOA only (Signature of Sender): STATE OF WASHINGTON COUNTY OF KING ) ) SS ) See Attached Contact Owner/Applicant See attached I certify that I know or have satisfactory evidence that Stacy M. Tucker Representing signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument. '1 d:S:4 1'~';{1;:7t,--- Dated: ~ -i'\'l',''''''''; 4f, -~ _~-=~::;;:::;-:+;-",\-~":;-:-;:-:-~::-;--;-.::-::-:-:-:-__ t CJ :", ~sSIO"" ~"'.o"L. -:;", S i~'~\"'OTAR/1b\''' ~ ~ ~ • in. ~ ~, \ -0 M. ~ (1\ \ ""J'frJmy (flfiPt):~~ ....l...".~......,...,,\.~....::-s-J>;~ll....!.::;l.o-c:~P."'-\·I-.\b.=,,-, -\Ul,--l-~'1'\"b.~------~~'p'0w.~~ex!lr,E!S~ cr v \.'Y~"" .27-\*' ••• • ... 0 II' ~ 0 .. 1 1 ...... \ .. ).(:) " ~, ~ 'NAS-r,'To,1111 ........ JO ,I :;..00""... ,,11 Project Name: Taxiway B Rehabilitation Project Project Number: LUA12-0S2, ECF, SME, SP template -affidavit of service by mailing Dept. of Ecology" Environmental Review Section PO Box 47703 Olympia, WA 98504-7703 WSDOT Northwest Region >I< Attn: Ramin Pazooki King Area Dev. Serv., MS-240 PO Box 330310 Seattle, WA 98133-9710 US Army Corp. of Engineers '" Seattle District Office Attn: SEPA Reviewer PO Box C-3755 Seattle, WA 98124 Boyd Powers >I< Depart. of Natural Resources PO Box 47015 Olympia, WA 98504-7015 KC Dev. & Environmental Servo Attn: SEPA Section 900 Oakesdale Ave. SW Renton, WA 98055-1219 Metro Transit Senior Environmental Planner Gary Kriedt 201 South Jackson Street KSC-TR-0431 Seattle, WA 98104-3856 Seattle Public Utilities Real Estate Services Attn: SEPA Coordinator 700 Fifth Avenue, Suite 4900 PO Box 34018 Seattle, WA 98124-4018 AGENCY (DOE) LETTER MAILING (ERe DETERMINATIONS) WDFW -Larry Fisher· Muckleshoot Indian Tribe Fisheries Dept. >I< 1775 12th Ave. NW Suite 201 Attn: Karen Walter or SEPA Reviewer Issaquah, WA 98027 39015 -17td Avenue SE Auburn, WA 98092 Duwamish Tribal Office '" Muckleshoot Cultural Resources Program >I< 4717 W Marginal Way SW Attn: Ms Melissa Calvert Seattle, WA 98106-1514 39015172"' Avenue SE Auburn, WA 98092-9763 KC Wastewater Treatment Division '" Office of Archaeology & Historic Preservation'" EnVironmental Planning Supervisor Attn: Gretchen Kaehler Ms. Shirley Marroquin PO Box 48343 201 S. Jackson ST, MS KSC-NR-050 Olympia, WA 98504-8343 Seattle, WA 98104-3855 City of Newcastle City of Kent Attn: Steve Roberge Attn: Mr. Fred Satterstrom, AICP Director of Community Development Acting Community Dev. Director 13020 Newcastle Way 220 Fourth Avenue South Newcastle, WA 98059 Kent, WA 98032-5895 Puget Sound Energy City of Tukwila Municipal Liaison Manager Steve Lancaster, Responsible Official Joe Jainga 6200 South center Blvd. PO Box 90868, MS: XRD-01W Tukwila, WA 98188 Bellevue, WA 98009-0868 ·Note: If the Notice of Application states that it is an "Optional DNS", the marked agencies and cities will need to be sent a copy of the Environmental Checklist, Site Plan PMT, and the Notice of Application. nDepartment of Ecology is emailed a copy of the Environmental Checklist, Site Plan PMT, & Notice to the following email address: sepaunit@ecy.wa.gov template -affidavit of service by mailing 118000294009 PUBLIC STORAGE INC C/O THOMSON REUTERS PTS PO BOX 847 CARLSBAD CA 92018 956480017006 JPJD LLC 95 S TOBIN ST #201 RENTON WA 98057 000720004506 DAWSON JAMES D+RENEE E 10838 LAKERIDGE DR S SEATTLE WA 98178 420440035509 HARBOR OLYMPIC LAND 6530 LL 1440 PUYALLUP AVE TACOMA WA 98421 722930003503 MINKLER-RW LLC 443 10TH AVE W KIRKLAND WA 98033 000720017102 CHIEM MY THU+DAT H LU 665 PASCO PL RENTON WA 98059 000720003003 SALVATION ARMY THE III QUEEN ANNE AVE N #300 SEATTLE WA 98109 118000179002 BRYN MAWR PLAZA L L C 195 W SUNSET WAY ISSAQUAH WA 98027 956480017501 SOCIETY OF ST VINCENT DE PA 5950 4TH AVE S SEATTLE WA 98108 426820005509 HU MIAO DAN 212 OAKESDALE AVE SW RENTON WA 98057 WA 98055 000720003201 JPC PROPERTIES LLC 15826 SE 141ST ST RENTON WA 98059 118000276006 KING COUNTY-PROPERTY SVCS ADM-ES-0800 500 4TH AVE SEATTLE WA 98104 722930007504 PHILLIPS MANIO 613 S 16TH ST RENTON WA 98055 420240150003 CHANG BROTHERS INC 6301 NE 204TH DR NE REDMOND WA 98030 722930058002 ANDERSON BUSY BEE INC 5015 RAINIER AVE S SEATTLE WA 98118 000720016708 NICKELS PAUL M 1901 47TH AVE SW SEATTLE WA 98116 420240117507 CARPENTER DAVID 3012 145TH AVCT E SUMNER WA 98390 000720021401 NGUYEN TODD Q+XUAN VUONG 311 S TILLICUM ST RENTON WA 98057 118000840009 COLACURCIO BILL JR 508 BOURBON ST NEW ORLEANS LA 70130 ADM-ES 500 TH AVE TTLE WA 98104 413680020505 LE HUYEN CHI 16217 205TH PL SE RENTON WA 98059 118000282004 SVCS SNYDER LEROY J& SANDRA D 1915 S 375TH ST FEDERAL WAY WA 98003 722930063507 FOSTER LUIDA R+EDDIE D 51 LOGAN AVE S RENTON WA 98055 000720003904 SCHUMSKY DONALD W+MARGARET 2019 JONES AVE NE RENTON WA 98056 420240125500 U-HAUL REAL ESTATE COMPANY DBA U-HAUL CO / WESTERN WA 70: PO BXO 29046 PHOENIX AZ 85038 118000028001 PATINA REALTY LLC 195 W SUNSET WAY ISSAQUAH WA 98027 956480003105 KRUZICH BOYD WM+ANGELA M 257 QUINCY AVE NE RENTON WA 98059 000720004308 STORWICK RICHARD ALLEN+FREY C; 1510 9TH ST ANACORTES WA 98221 722930010003 BENZEL & YARNELL LLC 4532 160TH AVE SE ISSAQUAH WA 98027 956480002503 CHIN SANDRA 670 TAYLOR AVE NW RENTON WA 98055 722930060008 HEITMAN-BODEN SANDRA 50 LOGAN AVE S RENTON WA 98055 072305900101 BOEING COMPANY THE PROPERTY TAX DEPT PO BOX 3707 M/C 20-00 SEATTLE WA 98124 722930059505 FRASIER CHRISTINE SEVERYNS WILLIAM PO BOX 836 RENTON WA 98057 RENTON 105 S GRADY WAY TON WA 98055 420440011500 GAVIN DANIEL G 100 NW 3RD PL RENTON WA 98055 722930006506 R 000720003300 HEALY MARTIN+ANNE 314 S TOBIN ST RENTON WA 98057 722930007009 GRAPHICS R & R GUTHRIE RON & ROB 203 AIRPORT WAY S RENTON WA 98055 182305923704 BURKHEIMER FAMILY L.L.C THE 1326 5TH AVE STE 708 SEATTLE WA 98101 722930009005 PHILLIPS MANIO 613 S 16TH ST RENTON WA 98055 BEE INC S 722930062509 ALLINGHAM FAMILY LTED PART PO BOX 48117 SEATTLE WA 98148 000720010800 YANG ANDREWLA N 502 S TOBIN ST 203 RENTON WA 98055 RE ON WA 98055 420440010007 BUCHAN BROS INVESTMENT PROP 2630 116TH AVE NE #100 BELLEVUE WA 98004 956480007205 ORN BEN+SARI G 102 NW 6TH ST RENTON WA 98057 WA 98055 420240142505 RIVILY ROBERT 254 SENECA AVE NW RENTON WA 98055 420240133504 MOSS ROAD L L C 6923 40TH AVE SW SEATTLE WA 98036 413680024002 LANDON-SUSON JEAN 9719 S 244TH PL KENT WA 98030 072305900200 JARVIS PATRICIA PO BOX 1056 RENTON WA 98057 420440021004 POLOTANU FLORINEL 17401 NE 2ND PL BELLEVUE WA 98008 000720007905 VICERAL EZRA FELIAS+FLORENCE 418 S TOBIN ST RENTON WA 98055 722930002000 FATTORE ROBERT L 13810 152ND AVE SE RENTON WA 98059 956480010209 KEODARA HOPE 101 NW 6TH ST RENTON WA 98057 4202401340 MOSS RO L L C 6923 TH AVE SW WA 98055 722930063002 REYNOLDS GLENN D 55 LOGAN AVE RENTON WA 98055 - 000720004100 BONNER ROBERT G JR 1507 JONES AVE NE RENTON WA 98056 000720003706 SMITH ROBERT C 402 S TOBIN ST RENTON WA 98055 420440026201 KRANZ RAINIER AVENUE PROPER 22710 SE 456TH WAY ENUMCLAW WA 98022 NTON WA 98055 420440006807 VU HAl VAN 5246 145TH PL SE BELLEVUE WA 98006 4202401400 SENECA AVE NW WA 98055 420440012003 HOLM JOHN R AKIYAMA-HOLM MARIKO 4611 130TH AVE SE BELLEVUE WA 98006 182305923407 MCDONALDS CORP 046-0017 PO BOX 182571 COLUMBUS OH 43218 000720019306 BURKHEIMER FAMILY L L C 1326 5TH AVE #708 SEATTLE WA 98101 000720017607 TOBACCO ENTERPRISES LLC 1701 LAKESIDE AVE S RENTON WA 98055 413680019507 APPLIN RAINI A+POLLOCK NICHOLA 8815 S 116TH PL SEATTLE WA 98178 072305904608 BOEING CO Y THE PROPERT TAX DEPT 3707 M/C 20-00 956480010308 BURWELL COREY N+ANGIE L THO 107 NW 6TH ST RENTON WA 98057 000720003805 JACQUES JAMES H 6833 RIPLEY LN N RENTON WA 98056 420240121004 DSB INVESTMENTS LLC 95 S TOBIN ST #201 RENTON WA 98057 956480002602 ANDERSON ERIN LEE 664 TAYLOR AVE NW RENTON WA 98057 413680020000 SALMINEN JED 8819 S 116TH PL SEATTLE WA 98178 072305908500 FACILITIES & OPERATIONS CTR OFFICE OF THE EXECUTIVE DIR 300 SW 7TH ST RENTON WA 98055 420440007003 BRYANT JASON M+LEAH Y 8918 S 122ND ST SEATTLE WA 98178 420440007102 LOUIE ANGELA & DONNA PO BOX 33594 PORTLAND OR 97292 722930061501 F & K INVESTMENTS LLC 13810 152ND AVE SE RENTON WA 98059 000720015502 CHEN TOMMY & SHU-MEl H 8125 144TH AVE SE NEWCASTLE WA 98059 722930049001 SDS PARTNERSHIP ATTN: PANELLI KELLY A 8580 SE 76TH PL MERCER ISLAND WA 98040 420440006500 ABBOTT A F 8925 121ST S SEATTLE WA 98178 000720017904 REDLIN BRIAN D 1727 HARBOR SW #N402 SEATTLE WA 98126 000720002906 TOBIN BUSINESS PARK LLC 4565 165TH AVE SE ISSAQUAH WA 98077 420440022507 KNEE ARVID 1102 SW 142ND ST BURIEN WA 98166 420440026300 POPE LACHLAN 21005 46TH AVE SE BOTHELL WA 98021 956480000705 PHAM DYLAN PHAM TAMMY 9367 MARCUS AVE S SEATTLE WA 98118 .~ • . 722930038004 AMBROSE K L 21 LOGAN AVE S RENTON WA 98057 000720011006 CHAU BILL+ANN 500 S TOBIN ST RENTON WA 98055 420240150508 CHRISTOPHERSON R LEE 503 RAINIER AVE N RENTON WA 98055 420440021509 BARRON BRENT+CYNTHIA 310 HARDIE AVE NW RENTON WA 98055 42044000 09 ABBOT ALBERT 89 S 121ST ST ATTLE WA 98178 11800027550 RICIA 1056 WA 98057 . 118000276501 FAKHARZADEH AMIR 11226 AUBURN AVE S SEATTLE WA 98178 426820006507 HOLMS DANIEL E+J ANTHONY HO 2567 39TH AVE W SEATTLE WA 98199 426820006002 956480007106 OLA BABATUNDE 1813 NW 6TH ST RENTON WA 98057 9719 KE WA 98030 413680021008 MT DEVELOPMENT LLC 11625 RAINIER AVE S #202 SEATTLE WA 98178 118000270504 WALKER JEFFREY L+WHITNEY P 8811 S 117TH ST SEATTLE WA 98178 722930007306 PHILLIPS MANIO 613 S 16TH ST RENTON WA 98055 443 KJ.RlKLl><N 118000171504 LAKESHORE 400 UNION ST SEATTLE WA 98101 420440026102 KRANZ RAINIER AVENUE PROPER 22710 SE 456TH WAY ENUMCLAW WA 98022 000720003102 EDMAN GEORGE D 2104 28TH AVCT SW PUYALLUP WA 98373 COLACURCI",O~ .. _._ ST LA 70130 8580 ME ER ISLAND WA 98040 072305905308 300 TON 000720007806 DESPUIG ERLINDA D 416 S TOBIN ST RENTON WA 98055 WA 98055 118000279505 LEE EDDIE Q 2349 12TH AVE S SEATTLE WA 98144 118000268508 DIR STEHMAN CRAIG G+THAYER MARK 8736 S 117TH PL SEATTLE WA 98178 956480017600 MILLER WAYNE PO BOX 58187 RENTON WA 98058 NOTICE OF APPLICATION AND PROPOSED DETERMINATION OF NON-SIGNIFICANCE-MITIGATED (DNS-M) A Master Application has been flied and accepted with the Department of Community & Economic Development (CED)-Planning Division of the City of Renton. The following briefly describes the application and the necessary Public Approvals. DATE OF NOTICE OF APPLICATION: July 24, 2012 LAND USE NUMBER: LUA12-052, ECF, SME, SP PROJECT NAME: Taxiway B Rehabilitation Project PROJECT DESCRIPTION: The applicant is requesting SEPA Environmental Review and Shoreline Exemption for a rehabilitation of 341,065 square feet of Taxiway B, located at the Renton Municipal Airport, 616 West Perimeter Road; zoned Industrial Medium (1M) and located in the Shoreline High Intensity Shoreline Overlay. The rehabilitation project is divided into two phases; Phase 1 consists of rehabilitation of the north portion of Taxiway B which is exempt from a Special Grade and Fill Permit. Pursuant to RMC 4-9-080C.6. Phase 2 would rehabilitate the south end of Taxiway B and is required to obtain a Special Grade and Fill Permit, which is included in the application. Both Phase 1 and 2 would include new storm drainage, pavement, striping, directional safety sign age and taxiway edge lighting. Phase 2 would also include a replacement of a water main. Both a Geotechnical Report and a Storm water Report were submitted with the application. PROJECT LOCATION: 616 W Perimeter Road OPTIONAL DETERMINATION OF NON-SIGNIFICANCE, MITIGATED (DNS-M): As the lead Agency, the City of Renton has determined that significant environmental impacts are unlikely to result from the proposed project. Therefore, as permitted under the RCW 43.21C.110, the City of Renton is using the Optional DNS-M process to give notice that a DNS- M is likely to be issued. Comment periods for the project and the proposed DNS-M are integrated into a single comment period. There will be no comment period following the issuance of the Threshold Determination of Non- Significance-Mitigated IONS-MI. A 14-day appeal period will follow the issuance of the ONS-M. PERMIT APPLICATION DATE: July 3, 2012 NOTICE OF COMPLETE APPLICATION: July 24, 2012 APPLICANT/PROJECT CONTACT PERSON: Wendell Johnson, Reid Middleton; 728 134th Street 11200; Everett, WA 98204; Eml: wjohnson@reldmiddleton,com Permits/Review Requested: Other PermIts whIch may be required: Requested Studies: location where application may be reviewed: Environmental (SEPA) Review, Shoreline Exemption, Special Grade & Fill Permit Construction Permit Geotechnical and Technical Information Reports Department of Community & Economic Development (CEO) -Planning Division, Sixth Floor Renton City Hall, 1055 South Grady Way, Renton, WA 98057 If you would like to be made a party of record to receive further information on this proposed project, complete this form and,return to: City of Renton, CEO -Planning Division, lOSS So. Grady Way, Renton, WA 98057. Name/File No.: Taxiway B Rehabilitation Project/LUA12-0s2, ECF, SME, SP NAME: ____________________________________________________________ ___ MAILING ADDRESS: TELEPHONE NO.: PUBLIC HEARING, CONSISTENCY OVERVIEW, Zoning/Land Use: EnvIronmental Documents that Evaluate the Proposed Project: Development Regulations Used For Project Mitigation: proposed Mitigation Measures: public hearing is tentatively scheduled for September 11. 2012 before the Renton Hearing Examiner in Renton Council Chambers at 10:00 a.m. on the 7th floor of the new Renton City Hall located at 1055 South Grady Way. The subject site is designated Employment Area Industrial (EAJ) on the City of Renton Comprehensive Land Use Map and Medium Industrial (1M) on the City's Zoning Map. Environmental (SEPAl Checklist The project will be subject to the City's SEPA ordinance, RMC 4-9-080, RMC 4-9- 070, RMC 4-3-090, RMC 4-9-190 and other applicable codes and regulations as appropriate. The following Mitigation Measures will likely be Imposed on the proposed project. These recommended Mitigation Measures address project impacts not covered by existing codes and regulations as cited above. The applicant shalf comply with the recommendation included in the Geotechnical Evaluotions, prepared by HWA GeoSciences, Inc., dated July 28,2011 and ;4pril, 272012. The applicant shafl comply with the recommendations included in the Technical Information Report, prepared by Reid Middleton, dated July 2012. If any Native American gravers) or archaeological/cultural resources (Indian artifacts) are found alf construction activity shafl stop and the owner/developer shall immediately notify the City of Renton planning department, concerned Tribes' cultural committees, and the Washington State Department of Archeology and Historic Preservation. Comments on the above application must be submitted in writing to Vanessa Dolbee, Senior Planner, CED -Planning DiVision, 1055 South Grady Way, Renton, WA 98057, by 5:00 PM on August 6, 2012. This matter Is also tentatively scheduled for a public hearing on September 11, 2012, at 10:00 a.m., Council Chambers, Seventh Floor, Renton City Hall, lOSS South Grady Way, Renton. If you are interested In attending the hearing, please contact the Planning DiviSion to ensure that the hearing has not been rescheduled at (425) 430-7282. If comments cannot be submitted in writing by the date indicated above, you may still appear at the hearing and present your comments on the proposal before the Hearing Examiner. If you have questions about this proposal, or wish to be made a party of record and receive additional information by mail, please contact the project manager. Anyone who submits written comments will automatically become a party of record and will be notified of any decision on this project. CONTACT PERSON: Vanessa Dolbee, Senior Planner; Tel: (425) 430-7314; Eml: vdolbee@rentonwa.gov PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION "':Denis Law M?yor II. m ; () ..... ; .......",.~--~~. ~ ., .... . Department of Community and Economic Development . C.E."Chip"Vincent,Administrator '. July 24,2012 Wendell Johnson Reid Middleton 728 134 th Street #200 Everett, WA 98204 Subject: . Notii::e'of Complete Application . Ta'xiway B Rehabilitation Project, liJA12~OS2, ECF, SME, SP Dear Mr. Johnson: The Planning Division of the City of Renton has determined that the subject applicatipn is complete according to submittal requirements and, therefore, is accepted for review, 'It is tentatively'scheduiedfor corisideration byth~ Environmental Review Committee on : August 13, 2'012 .. Prior to that review, you will be notified if any additia'nal information is required to continu'e pro~essing your application ... ,'. . . In addition, this matter is' tentatively sctieduied fora Public Hearing on September 11, 2012 at 10:00 a.m., Council Chambers, Seventh Floor, Renton City Hall, 1055 South · Grady VIIaY,.Renton. The ~pplicant or representative(s) of the appli~ant are required to be present at the public hearing. Acopy of the staff report Will. be mailed to you prior to the scheduled hearing .. I Please.contact me at (425) 430-7314 if you have any questions .. · Sincerely, ~~tJ~ · Vanessa Dolbee Senior Planner ~c: . Re'nton MunicipiAirport: / Ownet(s) , . . ~ " " . ' ", '. ' , . Re~ton City Hall • 1055 South Grady Way • Renton;Washington 98057 • ren~6nwa.gov ,.t§4I?itfi nI rn 728 134th Street SW, SuUe200 , 1 II (I]" E"mU,WA 98204 425/741-3800 (Fax 4251741-3900) Date: 10117/2012 To: CVanessll.-)2olb:e:el Project: File No. Dept. of Community & Economic Development Planning Division Renton City Hall-6th Floor 1055 South Grady Way Renton, W A 98057-3232 Renton Municipal Airport Taxiway 'B' System Rehabilitation Renton File # LUA12-052, ECF, SME,SP Enclosures: No. of Copies Description From: Wendell Johnson Transmittal Letter -Taxiway B Rehabilitation Land Use Application [Phase I (north end) & Phase 2 (south end)] 4 Updated Technical Information Reports [Phase I (north end) & Phase 2 (south end)] 12 Updated Grading Plans (full size) [Phase I (north end) & Phase 2 (south end)] I Updated Grading Plans (8-112 x II) [Phase I (north end) & Phase 2 (south end)] 5 Updated Utilities Plans, Generalized (full size) [Phase I (north end) & Phase 2 (south end)] Updated Utilities Plans, Generalized (8-112 x 11) [Phase I (north end) & Phase 2 (south end)] 4 Updated Drainage Control Plans (full size) [Phase 1 (north end) & Phase 2 (south end)] Updated Drainage Control Plans (8-112 x 11) [Phase I (north end) & Phase 2 (south end)] 5 Updated Final Geotechnical Report [Phase 1 (north end) & Phase 2 (south end)] Vanessa, Please contact me if you need additional information or you have any questions. H:IDOCI23Ap\lOI007 Renton TW B & SignagelPermittinglPenni' Sbm,1 10·17·12 IDolbee 10-17-12.doc Q October 17, 2012 File No. 232010.007.004 Ms. Vanessa Dolbee Senior Planner Dept. of Community & Economic Development Planning Division Renton City Hall - 6 th Floor lOSS South Grady Way Renton, W A 98057-3232 o Subject: Taxiway B Rehabilitation Project, LUAI2-052, ECF, SME, SP Dear Ms. Dolbee: Reid Middleton submitted a land use application package on July 3, 2012, for the above project as a consultant for the Renton Municipal Airport. The land use application package consisted of the following items: o Land Use Permit Master Application o Waiver of Submittal Requirements for Land Use Actions o Pre-Application Meeting Comment Package o Environmental Checklist o o o o o o o o o o o o o Vicinity Map Legal Description Shoreline Exemption Narrative Construction Mitigation Narrative Grade & Fill Permit Narrative Technical Information Report for Phase I (North End) of the project Utility Plan Generalized Site & Topography Plan Assessor Map Geotechnical Draft Report with Appendix A LOMA FEMA Letter LOMA FEMA Map Renton Airport Record of Survey It is our understanding that the City of Renton issued a SEPA Declaration of Nonsignificance for the project, and the 14-day comment period has run its course and WASHINGTON 728 134th Street SW Suite 200 elicited no substantive comments. However, after further review of the above land use application package, it was determined that additional information is required to enable complete review before scheduling a hearing before the Hearing Examiner. As stated in ALASKA 4300 B Street Everett, WA 98204 Phone: 425 741-3800 Fax: 425 741-3900 Suite 302 Anchorage, AK 99503 Phone: 907 562-3439 fax: 907 561~5J19 • • Ms. Vanessa Dolbee Planning Division City of Renton October 17,2012 File No. 232010.007.004 Page 2 the August 6, 2012, "On Hold" Notice from the City of Renton, the requested additional information consists of "An updated Technical Information Report that addresses both Phase I and Phase 2 of the proposed project." Accompanying this letter you will find the requested updated Technical Information Report, an updated "Grading Plan," an updated "Utilities Plan, Generalized," an updated "Drainage Control Plan," and an updated Geotechnical report that further illustrates the construction proposed at the Renton Municipal Airport. We have also provided 8-112 x 11 versions of the large size plan sheets as requested. It is our understanding that the public hearing for the Grade & Fill Permit will be scheduled with the Renton Hearing Examiner once (1) the Planning Division has reviewed the attached materials and determined the information to be complete for purposes of making a staff recommendation on the application and (2) the SEPA appeal period has run its course with no substantive appeals. Please advise Jonathan Wilson at the airport and me once that date is set. Please contact me if you require any additional information or have any questions. Thank you. Sincerely, Reid Middleton, Inc. 4<~~//'~( rtr Wendell JOhnsX:ICP, PLS Senior Planner cc: Jonathan Wilson, Renton Airport, 616 Perimeter Road, Unit A, Renton, W A 98057 Ameta Henninger, City of Renton, Plan Reviewer Enclosures: Technical Information Report updated Grading Plan updated Utilities Plan, Generalized updated Drainage Control Plan updated Geotechnical Report updated 8-112" x 11" plan sheets vlf\H:IDOCI23ApII01007 Renton TW B & SignagelPennittinglPermit SbmtlI0-17-121101712 Land Use Submittal Cover Memo.docxlkma-waj ~I PROJECT INFORMATION (continued) If': ... ",",':' •. "'.:,, !" "'-,. ,.,-,. . ';-,_"',. ,_ r_".', ','.,",' , ,-, ~::" , 11 ' ,,' .. ,' 'I,' City of Renton PI . ""'Ilon anning Division LAND USE PERMIT JUL -31011 MASTER APPlICATIOt$f~CC~D\'f~fi5) ." ,-.', ,f.', "" " ,j'l .1' ''''',', ;, '''',' ,. ','1 -", ,".!" .'" '. ,,,-,",'., " j oj,' ,,-, -",., ' " , " ,-' t,' r-',·_, PROPERTY OWNER(S) PROJECT INFORMATION PROJECT OR DEVELOPMENT NAME: NAME: Renton Municipal Airport Taxiway Bravo Rehabilitation Project ADDRESS: 616 West Perimeter Road, Unit A PROJECT/ADDRESS(S)/LOCATION AND ZIP CODE: Renton Municipal Airport ZIP: 616 West Perim eter Road CITY: Renton, WA 98057-Renton, WA 98057-5327 5327 TELEPHONE NUMBER: (425) 430-7471 KING COUNTY ASSESSOR'S ACCOUNT NUMBER(S): 0723059007 APPLICANT (if other than owner) NAME: Same EXISTING LAND USE(S): Airport and airport related/dependent uses PROPOSED LAND USE(S): COMPANY (if applicable): No change proposed EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: ADDRESS: Employment Area Industrial PROPOSED COMPREHENSIVE PLAN MAP CITY: ZIP: DESIGNATION (if applicable) No chanqe proposed EXISTING ZONING: TELEPHONE NUMBER: Medium Industrial CONTACT PERSON PROPOSED ZONING (if applicable): No change proposed NAME: Wendell Johnson SITE AREA (in square feet): 341,065 (surface area of renovated taxiway) SQUARE FOOTAGE OF PUBLIC ROADWAYS TO BE COMPANY (if applicable): Reid Middleton DEDICATED: Not applicable ADDRESS: 728 134'h Street, Suite 200 SQUARE FOOTAGE OF PRIVATE ACCESS EASEMENTS: Not applicable CITY: Everett, WA ZIP: 98204 PROPOSED RESIDENTIAL DENSITY IN UNITS PER NET ACRE (if applicable) Not applicable TELEPHONE NUMBER AND EMAIL ADDRESS: NUMBER OF PROPOSED LOTS (if applicable) Phone: (425) 741-3800 Not applicable Email: wjohnson@reidmiddleton.com NUMBER OF NEW DWELLING UNITS (if applicable): Not applicable PROJECTINFORMATrIO~N~~(cc~o~n=ti~nu~e~d~I) ______________ ~ NUMBER OF EXISTING DWELLING UNITS (if applicable): Not applicable SQUARE FOOTAGE OF PROPOSED RESIDENTIAL BUILDINGS (if applicable): Not applicable SQUARE FOOTAGE OF EXISTING RESIDENTIAL BUILDINGS TO REMAIN (if applicable): Not applicable SQUARE FOOTAGE OF PROPOSED NON-RESIDENTIAL BUILDINGS (if applicable) : Not applicable SQUARE FOOTAGE OF EXISTING NON-RESIDENTIAL BUILDINGS TO REMAIN (if applicable): ') All existinQ buildinQs (~4\) 'iS9 5R.fT. NET FLOOR AREA ON NON-RESIDENTIAL BUILDINGS (if applicable): ~41, q 0Jq $/iI, f'l, NUMBER OF EMPLOYEES TO BE EMPLOYED BY THE NEW PROJECT (if applicable): Not applicable (no chanqe in emplovment) PROJECT VALUE: $11,726,000 IS THE SITE LOCATED IN ANY TYPE OF ENVIRONMENTALLY CRITICAL AREA, PLEASE INCLUDE SQUARE FOOTAGE (if applicable): IJ AQUIFIER PROTECTION AREA ONE IJ AQUIFIER PROTECTION AREA TWO IJ FLOOD HAZARD AREA ___ sq. ft. IJ GEOLOGIC HAZARD; entire site (liquefaction)sq. ft. IJ HABITAT CONSERVATION ___ sq. ft. IJ SHORELINE STREAMS & LAKES 1,167,000 sq. ft. IJ WETLANDS ___ sq. ft. LEGAL DESCRIPTION OF PROPERTY (Attach legal description on separate sheet with the following information included) SITUATE IN THE NW, NE, & SE QUARTERS OF SECTION 7 and the NE & NW QUARTERS of SECTION 18, ALL IN TOWNSHIP 23 N, RANGE 5 E, IN THE CITY OF RENTON, KING COUNTY, WASHINGTON AFFIDAVIT OF OWNERSHIP I, (Print Name/s) , declare under penalty of pe~ury under the laws of the State of Washington that I am ease check one) __ the current owner of the property involved in this application or --,K..-the authorized representative to act for a corporation (please attach proof of authorization) and that the foregoing statements and answers herein contained and the information herewith are in all respects true and correct to the best of my knowledge and belief. Ct II~//z ( I Dat \,,,,n III" 'II, Signature of owner/Represe,~~~.~:.,~,:-,Z"'.9,;,te ... .,:.~I<?!-•• -;;.\&SION "i'.~/t, ~ i v .. ~~ +..0'.,"'1 -:;. STATE OF WASHINGTON) ! /t> NOTA 1>" '1>~:,,$~. ) ss =: 'T r •. : : COUNTY OF KING ) =. .'. .. ~. z I r ~tJl\7. PUBLIC j § I certify that I know or have satisfactory evidence that ('Jr! U O .... r: -;. :..>t ... ~ ,,~ ... i signed this instrument and acknowledge it to be his/herfth? free and voluntary act for the \7~'<~ 23, ":~""~O~,,, uses and purpose mentioned In the Instrument. '" O}::" '" ..... \~~ ........ e . ~ ~" '" VVASI-I """ I I ~'.no; ) """lIlIlI"'\ 0/9 _XII J--~.£V(~ Dated Notary Public in and for the State of Washington Notary (Print) 6;.:b.L. . b /& ita/) My appointment expires: 1/:23/ O<QlS: " IPfF{EA~~ILEC.ATEO~ !MteE1fJHNlG !FOR AIRPORT TAXIWAY B SYSTEM REHABlLITATliJ,flI Of Rent fanning 0" On IVIS' 300 AIRPORT WAY IOn JUL -3 lOll CIlY Of RENTON fPJff?rf"'fC5>n lDepartmeD1lt of Community and Economic lDeveropm~ , l?~aD1niJnlg IDDvisioD1l ' PRE12-012 February 1.6, 2012 Contact Information: Planner: Vanessa Dolbee Phone: 425.430.7314 Public Works Reviewer: Ameta Henninger Phone: 425.430.7298 Fire Prevention Reviewer: Corey Thoma Phone: 425.430.7024 Building Department Reviewer: Craig Burnell Phone: 425.430.7290 Please retain this packet throughout the course of your project as a reference. Consider giving copies of it to any engineers, architects, and contractors who work on the project. You will need to submit a copy of this packet when you apply for land use and/or environmental permits. Pre-screening: When you have the project application ready for submittal, call and schedule an appointment with the project manager (planner) to have it pre- screened before making all of the required copies. The pre-application meeting is informal and non-binding. The comments provided on the proposal are based on the codes and policies in effect at the time of review. The applicant is cautioned that the development regulations are regularly amended and the proposal will be formally reviewed under the regulations in effect at the time of project submittal. The information contained In this summary is subject to modification and/or concurrence by official decision-makers (e.g., Hearing Examiner, Planning Director, Development Services Director, Department of Community and Economic Development Administrator, Public Works ' Administrator and City Council). , ., .. ' .*.~ . DEVELOPMENT SERV(C~S'--" '. . CITY OF RENTQN ,. . , . . --. . , " ,JAN 31"20rZ' , . J~ECl~'VED '.' ." ':- . , ' e'#¥_l9b,~Q:S .. """" SF;WE .. ,.3% RaE . " . DATE: TO: FRON): Neil Watts, D~vel~pme~! Services DiviSion Director '. . ,.... '. - SUBJECT: New PreliminarY APplication: V' . . l' ,.L.OCAiTON: i'O./Jar,{1v f Ide}' PREAPP NO. &£[2-':-Dj2- ~ ',' , . '. ' , A meeting with the applicant has been sch~dule.d for Th(irsday, rcn" /'0Th-. . ..:. . .\ , . . . . at (0 :;X) [llAM DPM, in ;ne.of ~e 6th floor'col1fere~ce r~om~. If this meeting is " scheduled at'1O:00 AM, the MEETING MUST BE CONCLUDED ~R10R TO 11:00 AM' , . tei allow,time to prepare for the 11:00 AM,meeting .. ' , , Please i-evie~ the attach~d proje~t pians prior toine scheduled m~eting wff:hthe applicant.' You wHIno! need todD a thorough 'permlt level" review at this time. Note .. . . . '. .... .-... only mriJor i$sues that must be resolved pliorto formal land use andlor'buildlng permit . . . " . . . application submittal. Plan 'ReViewer a~igned is lAruko... ..---: Please·submifyourwrittencommentsto· . V~tI17apO/(?et: (Pl.anner) at, least tyro (2) days before the meeting, 'Thank you. M~' ," . k~ ~:;J/r;;:i' ... , H;\QEDlDatalFo=-Templatcsfua:pp eo-·Sheet.doo --. . . . ' .... FIRE & EMERGENCY SERVICES DEPA_R_TM_EN_T_==,~_ . ~[l~(lli1fll e MEMORANDUM DATE: TO: FROM: SUBJECT: January 24, 2012 Vanessa Dolbee, Senior Planner Corey Thomas, Plans Review Inspector Airport Taxiway B System'Rehabilitation 1, Proposed fire hydrant design and layout is acceptable to the Renton Fire Department. Separate plans and permits are.required to be submitted to the fire department for review and inspection as this is a private water system, not owned or operated by the City of Renton water utility. DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT DATE: TO: FROM: SUBJECT: MEMORANDUM February 9, 2012 Vanessa Dolbee, Planner Arneta Henninger, Plan Review 44- Airport Taxiway B System Rehabilitation 300 Airport Way PRE 12-012 .NOTE: The applicant is cautioned that information contained in this summary is preliminary and non- binding and may be subject to modification and/or concurrence by official city decision-makers. Review comments may also need to be revised based on site planning and other design changes required by City staff or made by the applicant. I have completed a preliminary review for the above-building Airport Taxiway B system rehabilitation, located in Sect. 7 Twp. 23N, Rng 5 E. The following comments are based on the pre-application submittal made to the City of Renton by the applicant. . Water o If the applicant (Renton Airport) is planning to replace a portion of the existing water line along the east side ofthe runway as part of this project, then the new water line should be connected to an existing city water main located at the southeast corner ofthe site as shown on the attached map. The size of the new line shall be 12-inch minimum and the new flush-type hydrants shall be connected to this new line. o The new line cannot be connected to the existing lin.e within the airport that is fed by the Boeing private fire system. The airport property is within the city's water service area and as such, any new water main extension, including hydrants, should be connected to the city's water system as required by City Code for all development/redevelopment projects within the City's water service area. o This site is located in the City of Renton water service areas. o The site is not located in the Aquifer Protection Zone. o There is an existing 12" 01 water main located on the Airport. See City of Renton drawing number W 3132. o The site is located in the 196 water pressure zone. The static pressure is approximately 74 psi. · Airport Taxiway B System Rehabilita"_ .• -PRE 12·012 Page 2 of2 February 9, 2012 Sanitary Sewer There is an existing 8"sanitary sewer main on the Airport site, on West Perimeter Rd. See City of Renton drawing 5-1688. Storm Drainage o There are existing 12" concrete storm drainage conveyance pipes and facilities on the east side of Taxiway B on the Airport site. o A storm drainage report will be required. All storm drainage shall be in compliance with the City of Renton amendments to the 2009 King County Surface Water Drainage Manual. o The project will need to show how the new addition and new paving will handle the storm runoff. Street Improvements ·0 Additional street improvements will not be required. o Traffic Mitigation fees do not apply. General Comments o All required utility, drainage, and street improvements will require separate plan submittals prepared according to City of Renton drafting standards by a licensed Civil Engineer. o All plans shall be tied to a minimum of two ofthe City of Renton Horizontal and Vertical Control Network. o Permit application must include an itemized cost estimate for these improvements. Half of the fee must be paid upon application for building and construction permits, and the remainder when the permits are issued. There may be additional fees for water service related expenses. See Drafting Standards. H:\CEO\Planning\Current Planning\12-Q12.Vanessa\Plan Review Comments PRE 12-Q12.doc DATE: TO: FROM: SUBJECT: CITY OF RENTON Department of Community & Economic Development MEMORANDUM February 16, 2012 Pre-Application File No. PRE 12-012 . Vanessa Dolbee, Senior Planner Airport Taxiway B System Rehabilitation (300 Airport Way) General: We have completed a preliminary review of the pre-application for the above- referenced development proposal. The following comments on development and permitting issues are based on the pre-application submittals made to the City of Renton by the applicant and the codes in effect on the date of review. The applicant is cautioned that information contained in this summary may be subject to modification and/or concurrence by official decision-makers (e.g., Hearing Examiner, Planning Director, Public Works Administrator, Development Services Director and City Council) .. Review comments may also need to be revised based on site planning and other design changes required by City staff or made by the applicant. The applicant is encouraged to review all applicable sections ofthe Renton Municipal Code. The Development Regulations are available for purchase for $50.00 plus tax, from the Finance Division on the first floor of City Hall or online at www.rentonwa.gov Project Proposal The subject property is at 300 Airport Way, the Renton Municipal Airport. The proposed project would Taxiway B and connecting taxiways rehabilitation/reconstruction, storm drain lines and hydrant water lines rehabilitation, taxiway deSignation system modification, and taxiway edge lighting modification. No other modifications to the existing Airport are proposed. Current Use: Currently the subject site is an operating MunicipalAirport. Zoning: The subject site is located within the Medium Industrial (1M) zoning designation. The site is also located within the Employment Area Industrial Comprehensive Plan deSignation. The proposed use would be an airport, which is a permitted use in the 1M zone. The subject site is located within the Shoreline Hig~ Intensity environment in both lake Washington reach J and Cedar River reach A. Development Standards: The project would be subject to RMC 4-2-130A, "Development Standards for Industrial Zoning Designations" and the City of Renton's Shoreline Master Program (SMP) because the subject project is located near Lake Washington and the Cedar River. Many of the 1M development standards would not be applicable because of the nature ofthe subject project. As such, the following report only addresses the applicable development standards and/or shoreline regulations. Shoreline Regulations: The objective of the. High Intensity Overlay is to provide opportunities for large-scale office and commercial employment centers as well as multi-family residential use and Airport Taxiway B system Rehabilita •. _ .. February 16, 2012 Page 2 of 3 public services. This district provides opportunities for water-dependent and water-oriented uses while protecting existing ecological functions and restoring ecological functions in areas that have been previously degraded. Development may also provide for public use and/or community use, especially access to and along the water's edge. RMC 4-3-090E.10.f addresses Aviation in the SMP, see regulations below: ii. Airports: (a) A new airport shall not be allowed to locate within the shoreline; however, an airport already located within a shoreline shall be permitted. (b) Upgrades of facilities to meet FAA requirements or improvements in technology shall be permitted. (c) Facilities to serve seaplanes may be included as an accessory use in any existing airport. (d) Helipads may be included as an accessory use in any existing airport. (e) Aviation-related manufacturing shall be permitted in an airport. (f) New or upgraded airport facilities shall be designed and operated such that: (1) All facilities that are non-water-dependent shall be located outside ofshoreline jurisdiction, if feasible. When sited within shoreline jurisdiction, uses and/or developments such as parking, hangars, service buildings or areas, access roads, utilities, signs, and storage of materials shall be located as far from the land/water interface as feasible. The minimum setback shall be twenty feet (20') from the OHWM of the shoreline and shall be designed and spaced to allow viewing of airport activities from the area along the water's edge. (2) New or upgraded airport facilities shall minimize impacts on shoreline ecological functions, including control cif pollutant discharge. The standards for water quality and criteria for application shall be those in current stormwater control regulations. (3) New facilities dispensing fuel or facilities associated with use of hazardous materials shall require a Shoreline Conditional Use Permit. Critical Areas: The. City of Renton's Critical Areas Maps indicate that the subject site is within the vicinity of seismic hazards, flood hazards, habitat conservation area and Shorelines of the State (Lake Washington & the Cedar River). Lake Washington and the Cedar River are Class 1 waterways of the state, any development within 200-feet of the ordinary high water mark of a Class 1 waterway, are required to comply with the Shoreline Master Program (as discussed above). The subject site contains a Flood Hazard Area; pursuant to the FIMA Flood Insurance Rate Maps (FIRM) the subject site contains a Special Flood Zone AE (base flood elevation determined) which is classified as a 100-year flood plain. The FIRM maps indicate the base flood elevation to be between 19 feet Mean Sea Level (MSL) and 25 feet MSL Flood Hazard Data shall be submitted with formal land use application pursuant to RMC 4-8-1200. Environmental Review: The proposed project is exempt from Washington State Environmental Policy Act (SEPA) pursuant to WAC 197-11-800(3) Repair, remodeling and maintenance activities. Airport Taxiway B system Rehabillta"on February 16, 2012 Page 3 of 3 Permit Requirements: The proposal would require Shoreline Exemption (SE). This permit would be reviewed in an estimated timeframe of 2 weeks with an additional 21-day appeal period for the SE with the Washington State Department of Ecology. There is no application fee the required exemption. In addition to the required land use permit, separate construction, buiiding and sign permits would be required. The review of these permits may occur concurrently with the review of the SE, but cannot be issued prior to the completion of any appeal periods. *Once the application materials are complete, the applicant is strongly encouraged to have one copy of the application materials pre-screened at the (fh floor front counter prior to submitting the complete application package. Please call for an appointment. ' cc: Jennifer Henning' '. D3 -06 T23N RSE E 112 ,_...,--,-----------f'----' UC-NZ H . , ,." / I I " /\ , , \ \ \ UC-Nl \ \ ~ I <=> QO '--__ ---l~ r---":..:-:..:"----.l Z ~ ~ I .... lz j N ]. 1 --uf.!m--_L ! . ! 07 'f23N R5E E 112 5307 • - II Pi..ANNIN~ DIVISION WAIVER OF SUBMITTAL REQUIREMENTS FOR LAND USE APPLICATIO'NS " ThJs requireme~t ;"ay be wa~Eid by: 1. Property Services ,2. Public Works Plan Review 3.'Bunding 4. Planning .. '. . City of Renton Planning Division. JUl -3 2011 PLANNING DIVIsION WAIVER OF SUBMITTAL REQUIREMENTS FOR LAND USE APPLICATIONS This .requlrement may be waived by: 1. Property Services' ,: .. 2 •. Public Works Plan Review 3.' Building 4. Planning H:'CED\Oata\Fon:ns-T QmpJates\SerrooHeJp HandoutD\Plannlng\watv:erofsu~lHarreqs.xl8 r . 0I!I09 Renton Municipal Airport Taxiway "B" Renovation Grade & Fill Permit Narrative June 12, 2012 Prolect Name: Taxiway B Rehabilitation Project Size: Approximately 4750 linear feet of 50 foot wide (on average) taxiway Proiect Location: Renton Municipal Airport, Renton, WA , !.lind use permits reauired: Construction Permit from the City of Renton (both phases) Special Fill & Grade Permitfrom the City of Renton (Phase 2 only) City Of l"I Plan' "enton ,nmg DI'v' , ISlon JUL -3 1011 NOTE: Phase 1 is considered exempt from the requirement for a Special Fill & Grade Permit because of the RMC code provision that exempts "A fill less than one foot (1') in depth, and placed on natural terrain with a slope flatter than five horizontal to one vertical (5:1)". The average depth of fill to create , the crowned taxiway surface referenced in the Phasing section below is less than one foot as compared to the existing taxiway elevation. ' , Sign Permit from the City of Renton Zoning: Medium Industrial Current Use of Site and any existing improvements: The site is a portion of the Renton Municipal Airport and is one of two parallel taxiways serving the airport main runway. Buildings at the airport include hangars, the airport office and tower, office and operations space for fixed base operators, and other airport-related ,land uses. , Special Site Features: The Renton Municipal Airport borders Lake Washington along the north boundary and the Cedar River along the east boundary. Soil type and drainage conditions: Surficial soil deposits in the vicinity of the airport are identified as urban or industrial land that has been modified by widespread or discontinuous artificial fill. The native ,subgrade beneath the taxiway consists predominately of medium stiff to soft organic silt. Stormwater runoff on the north end of the project site is collected in catch basins and surface swales and eventually , discharged directly to the Cedar River,Stormwater runoff on the south end of the project site is collected in catch, basins and surface swales and discharges to an Oil/water separator vault on that portion of the airport leased to Boeing. The water quality vault in turn discharges to the Cedar River through a pipe, Proposed Use of the property and scope of the proposed development: TAXIWAY '6' AND CONNECTING TAXIWAYS REHABILITATION/RECONSTRUCTION This portion of the project consists of rehabilitating all of.the existing east side taxiway system , pavements, including the parallel Taxiway 'B: plus its taxiway connectionsto the runway from Taxiway 'N' at the north and to the south connection at Runway 34. It is antiCipated that the pavement rehabilitation/reconstruction could employ various partial depth or full depth reconstruction methods including hot mix asphalt section reconstruction, reconstruction utilizing Portland Cement Concrete, and milling of the existing asphalt pavement surface followed by re- paving of a new asphalt surface. The choice of preferred rehabilitation/reconstruction options will be based 'on: o Accommodation of contouring of pavement surfaces. o Adequate pavement strengths to serve anticipated aircraft loadings. ,0 Constructibility considerations. o Cost efficiency. o Long-term performance. ) STORM DRAIN LINES AND HYDRANT WATER LINES REHABILITATION Underground utility upgrading will be another element of the project. This will include replacing several failing concrete storm drain lines with ductile iron that cross Taxiways Band K. A portion of an existing water line in the vicinity of the south end of the project site will be evaluated for likely replacement as part of Phase 2. Surface grades and associated drainage efficiency within turf infield areas between Taxiway Band Runway 34 will be evaluated. These areas may require regrading to alleviate existing stormwater ponding issues. New drainage structures will be constructed to facilitate capture of stormwater from re- contoured pavement and turf areas. TAXIWAY DESIGNATION SYSTEM MODIFICATIONS A new taxiway connector designation system will be developed, and the existing airfield sign age system will be modified as necessary to reflect the new designations. The existing designations that include · designators such as G, H, N, etc., will be changed to designations such as Ai, A2, Bl, B2, etc. Since the new designation system will increase the number of characters, the sign module widths will increase correspondingly. It is anticipated that the existing sign hardware and concrete foundations will not be adequate in the majority of cases to accommodate the. new system and will require new construction to accommodate the new signage .. TAXIWAY EDGE LIGHTING MODIFICATIONS Taxiway edge lighting will be adjusted or replaced as necessary to be compatible with the new · pavement surfaces. PHASING Phase 1 consists of rehabilitating that portion of Taxiway "B" lying north of the "s-curve" jog about midway along the length of Taxiway "B". This portion of the project will include reconstruction of the taxiway to create a crowned taxiway surface to replace the existing "shed slope" surface. The work will include construction of new underdrains along both sides of the taxiway, construction of new storm drain line on the eastside of the south end of the project, as well as construction of a new slot drain system along the frontage of Building 749B (Rivers Hangar). Also included will be new pavement · striping, new directional safety signage, and new taxiway edge lighting. Phase 2 of the project will rehabilitate the south end of Taxiway "B" and will include the same type of drainage, pavement, striping, and signage work as described for Phase 1, but in addition will include replacement of a water main. Access: Access to the airport is off of Airport Way South at the south end of the airport. Proppsed off-site improvements: No off-site improvements are proposed. Estimated construction cost I fair market value of project: $11,726,000 Estimated quantitv of fill or excavation: , J Approximately 2250 cubic yards (as measured from the existing taxiway surface) of gravel, import borrow material, topsoil and new asphalt will be required to bring the renovated taxiway to design grade for Phase 1. Approximately 6700 cubic yards (as measured from the existing taxiway surface) of gravel, import borrow materia I; topsoil and new asphalt will be required to bring the renovated taxiway to design grade for Phase 2; Number. type. and size of trees to be removed: No trees are on the work site, thus none will be removed. land to be dedicated to the Citv: No land is proposed for dedication to the City (the City already owns the property) Proposed job schack:' The selected contractor will be required to provide a job shack for use by the contractor personnel and by the project consultant . . Distance of project work area from Ordinarv High Water Mark: The west bank of the Cedar River supports a. 20: to 30 foot wide strip of native vegetation along the entire project frontage with a flood wall located at the top of the embankment as shown on the project . site plan. The work site at its closest is approximately 64 feet from the flood wall that borders the Cedar River, which is upland from and varies from 5 to 30 feet in distance from the OHWM of the Cedar River . . Tree Cutting {land Clearing /Tree Inventorv) Plan: There are no trees on the project site or near the project site as they are considered a hazard to aviation. No trees will be planted as part of this project. Fill Source Statement: Both phases of the Taxiway "B" Renovation project will be competitively bid. The source of fill is thus subject to whatever fill source is proposed by the successful bidder. However, both the FAA (as partial funder of the project) and Renton Municipal Airport require that all fill materials imported to the site be procured from a site permitted and licensed to provide the types of materials required for the project. Renton Municipal Airport Shoreline Exemption Narrative June 12, 2012 c· l(yof Planning ~enton IV/SiOn JUL - 3 2012 Project Name: Project Size: Taxiway B Rehabilitation /!fJ~rc~#n/7 Approximately 4750 linear feet of 50 foot wide (on average) taxiway 1"/'If!!1tJJ Project Location: Renton Municipal Airport, Renton, WA Description of Work TAXIWAY 'B' AND CONNECTING TAXIWAYS REHABILITATION/RECONSTRUCTION This portion ofthe project consists of rehabilitating all ofthe existing east side taxiway system pavements, including the parallel Taxiway 'B: plus its taxiway connections to the runway from Taxiway 'N' at the north and to the south connection at Runway 34. It is anticipated that the pavement rehabilitation/reconstruction could employ various partial depth or full depth reconstruction methods including hot mix asphalt section reconstruction, reconstruction utilizing Portland Cement Concrete, and milling of the existing asphalt pavement surface followed by re- paving of a new asphalt surface. The choice of preferred rehabilitation/reconstruction options will be based on: o Accommodation of contouring of pavement surfaces. o Adequate pavement strengths to serve anticipated aircraft loadings. o Constructibility considerations. o Cost efficiency. o Long-term performance. STORM DRAIN LINES AND HYDRANT WATER LINES REHABILITATION Underground utility upgrading will be another element ofthe project. This will include replacing several failing concrete storm drain lines with ductile iron that cross Taxiways Band K. A portion of an existing water line in the vicinity of the south end of the project site will be evaluated for likely replacement as part of Phase 2. Surface grades and associated drainage efficiency within turf infield areas between Taxiway Band Runway 34 will be evaluated. These areas may require regrading to alleviate existing stormwater ponding issues. New drainage structures will be constructed to facilitate capture of stormwater from re- contoured pavement and turf areas. TAXIWAY DESIGNATION SYSTEM MODIFICATIONS A new taxiway connector designation system will be developed, and the existing airfield signage system will be modified as necessary to reflect the new designations. The existing designations that include designators such as G, H, N, etc., will be changed to designations such as A1, A2, B1, B2, etc. Since the new designation system will increase the number of characters, the sign module widths will increase correspondingly. It is anticipated that the existing sign hardware and concrete foundations will not be adequate in the majority of cases to accommodate the new system and will require new construction to accommodate the new signage. TAXIWAY EDGE LIGHTING MODIFICATIONS Taxiway edge lighting will be adjusted or replaced as necessary to be compatible with the new pavement surfaces. : PHASING Phase 1 consists of rehabilitating that portion of Taxiway "B" lying north of the "s-curve" jog about midway along the length of Taxiway "B". This portion of the project will include reconstruction of the taxiway to create a crowned taxiway surface to replace the existing "shed slope" surface. The work will include construction of new underdrains along both sides of the taxiway, construction of new storm drain line on the east side of the south end of the project, as well as construction of a new slot drain system along the frontage of Building 749B (Rivers Hangar). Also included will be new pavement striping, new directional safety signage, and new taxiway edge lighting. Phase 2 of the project will rehabilitate the south end ofTaxiway "B" and will include the same type of drainage, pavement, striping, and sign age work as described for Phase 1, but in addition will include replacement of a water main. Basis for Exemption Request: Normal maintenance or repair of existing structure or developments. Anticipated dates of work: Phase 1-Summer and early fall of 2012 Phase 2 -Summer and early fall of 2013 Other permits required for proposed project: Construction Permit from the City of Renton (both phases) Special Fill & Grade Permit from the City of Renton (Phase 2 only) NOTE: Phase 1 is considered exempt from the requirement for a Special Fill & Grade Permit because of the RMC code provision that exempts "A fill less than one foot (1 ') in depth, and placed on natural terrain with a slope flatter than five horizontal to one vertical (5:1)". The average depth of fill to create the crowned taxiway surface referenced in the Phasing section below is less than one foot as compared to the existing taxiway elevation. Sign Permit from the City of Renton Current and Proposed use of the site: Municipal Airport taxiway Special Site Features: The site lies along the west bank of the Cedar River and the shoreline of Lake Washington. Soil type and drainage conditions: Surficial soil deposits in the vicinity of the airport are identified as urban or industrial land that has been modified by widespread or discontinuous artificial fill. The native subgrade beneath the taxiway consists predominately of medium stiff to soft organic silt. Stormwater runoff on the north end of the project site is collected in catch basins and surface swales and eventually discharged directly to the Cedar River. Stormwater runoff on the south end of the project site is collected in catch basins and surface swales and discharges to an oil/water separator vault on that portion of the airport leased to Boeing. The water quality vault in turn discharges to the Cedar River through a pipe. Estimated construction cost I fair market value of project: $11,726,000 ,J Estimated quantity of fill or excavation: Approximately 2250 cubic yards (as measured from the existing taxiway surface) of gravel, import borrow material, topsoil and new asphalt will be required to bring the renovated taxiway to design grade for Phase l. Approximately 6700 cubic yards (as measured from the existing taxiway surface) of gravel, import borrow material, topsoil and new asphalt will be required to bring the renovated taxiway to design grade for Phase 2. Number, type. and size of trees to be removed: None Distance of project work area from Ordinary High Water Mark: The west bank of the Cedar River supports a 20-to 30 foot wide strip of native vegetation along the entire project frontage with a flood wall located at the top of the embankment as shown on the project site plan. The work site at its closest is approximately 64 feet from the flood wall that borders the Cedar River, which is upland from and varies from 5 to 30 feet in distance from the OHWM of the Cedar River. Nature of existing shoreline: The west bank of the Cedar River supports a 20-to 30 foot wide strip of native vegetation along the entire project frontage. Roughly one-half of the airport frontage along Lake Washington is natural shoreline with the west half of the frontage having a bulkhead to support floatplane operations. Project height: All construction will be horizontal with the exception of replacement of aircraft directional sign age, none of which will be more than five feet in height. H:\DOC\23Ap\10\007 Renton TW B & Signage\Permitting\SEPA & Shoreline APP package\Shoreline Exemption Narrative.docx Renton Municipal Airport Taxiway "6" Renovation Construction Mitigation Description June 12, 2012 Proposal construction dates: ' Phase 1 will be constructed in late summer and early fall of 2012. The project will be bid approximately two weeks before required permits.are due to be issued, with bid opening and award occurring within one week of issuance of project permits. All work on Phase 1 is scheduled to be completed by October 15; 2012. Phase 2 will be constructed during the summer and early fall of 2013 with actual dates of construction tied to permitting as detailed above. Hours and days of operation: Construction will occur Monday through Friday from 7 AM to 6 PM, Proposed hauling/transportation routes: The sele.ction of routes for the import and export of equipment and materials to and from the project site will be determined by the successful bidder .. , However, the route is likely to include Airport Way South west to Rainier Avenue South, then south·to Interstate 405. Mitigation Measu'res: Mitigation measures proposed include the following: • Restriction of work hours to normal weekday business hours. • Provision of a quarry spall construction entrance to the site to control tracking of mud onto p,lVed surfaces. • Wetting of exposed soil surfaces subject to traffic to minimize creation of airborne dust. Special hours for construction or hauling: It is not anticipated that special hours for either construction or hauling will be required. Preliminary Traffic Control Plan: All work will take place along Taxiway "6" on the airport and will not , involve public streets, The number and frequency of additional vehicular trips attributable to the construction. is not anticipated to significantly impact public streets providing access to the site. Airplane traffic that would normally use those portions of the taxiway being renovated will directed to safe alternate routes on the airport. . \ PLANNING DIVISION ENVIRONMENTAL CHECKLIST ;/4-" . "!)!)' ~e City of Renton Planning Division ~!)g DI/,<."'IOI) 1055 South Grady Way-Renton, WA 98057 J0 ~SIOI Phone: 425-430-7200 Fax: 425-430-7231 'if PURPOSE OF CHECKLIST: ~~ iflf/ ©~~ The State Environmental Policy Act (SEPAl. Chapter 43.21C RCW, requires all governm~.&>ff\­ agencies to consider the environmental impacts of a proposal before making decisions. 'jfj(Y Environmental Impact Statement (EIS) must be prepared for all proposals with probable significant adverse impacts on the quality of the environment. The purpose of this checklist is to provide information to help you and the agency identify impacts from your proposal (and to reduce or avoid impacts from the proposal, if it can be done) and to help the agency decide whether an EIS is required. INSTRUCTIONS FOR APPLICANTS: This environmental checklist asks you to describe some basic information about your proposal. Governmental agencies use this checklist to determine whether the environmental impacts of your proposal are significant, requiring preparation of an EIS. Answer the questions briefly, with the most precise information known, or give the best description you can. You must answer each question accurately and carefully, to the best of your knowledge. In most cases, you should be able to answer the questions from your own observations or project plans without the need to hire experts. If you really do not know the answer, or if a question does not apply to your proposal, write "do not know" or "does not apply". Complete answers to the questions now may avoid unnecessary delays later. Some questions ask about governmental regulations, such as zoning, shoreline, and landmark designations. Answer these questions if you can. If you have problems, the governmental agencies can assist you. The checklist questions apply to all parts of your proposal, even if you plan to do them over a period of time or on different parcels of land. Attach any additional information that will help describe your proposal or its environmental effects. The agency to which you submit this checklist may ask you to explain your answers or provide additional information reasonably related to determining if there may be significant adverse impact. USE OF CHECKLIST FOR NONPROJECT PROPOSALS: Complete this checklist for nonproject proposals, even though questions may be answered "does not apply." IN ADDITION, complete the SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS (part 0). . For non project actions (actions involving decisions on policies, plans and programs), the references in the checklist to the' words "project," "applicant," and "property or site" should be read as "proposal," "proposer," and "affected geographic area," respectively. - 1 -06/09 H:\DOC\23Ap\10\007 Renton TW B & Signage'tPermlttlng\SEPA & Shoreline APP package\OS0112 Renton envchlst.doc A. BACKGROUND 1. Name of proposed project, if applicable: Taxiway B System Rehabilitation at Renton Municipal Airport 2. Name of applicant: Mr. Ryan Zulauf, Airport Manager 3. Address and phone number of applicant and contact person: Renton Municipal Airport 616 West Perimeter Road -Unit A Renton,WA 98057-5327 Phone: (425) 430-7471 4. Date checklist prepared: May 1, 2012 S. Agency requesting checklist: City of Renton Planning Department 6. Proposed timing or schedule (including'phasing, if applicable): The project will be constructed in two phases. Phase 1 (north end) of the project will be built during the summer and early fall of 2012. Due to Federal Aviation Administration (FAA) funding constraints, Phase 2 (south end) of the project will be constructed in the summer and early fall of 2013. 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. No 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. Geotechnical Report dated July 28th by HWA Geosciences and the April 27, 2012 amendment thereto. H:ID0C\23Apll01007 Ranton TW B & SignagaIPannitlinglSEPA & Shoreline APP packagalOSOl 12 Ranton anvchls1.doc - 2 - 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. No. 10. List any governmental approvals or permits that will be needed for your proposal, if known. Construction Permit from the City of Renton (both phases) Special Fill & Grade Permit from the City of Renton (Phase 2 only) NOTE: Phase 1 is considered exempt from the requirement for a Special Fill & Grade Permit because of the RMC code provision that exempts "A fill less than one foot (1') in depth, and placed on natural te"ain with a slope flatter than five horizontal to one vertical {5:1)". The average depth of fill to create the crowned taxiway surface referenced in the Phasing section below is less than one foot as compared to the existing taxiway elevation. Sign Permit from the City of Renton 11. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. TAXIWAY 'B' AND CONNECTING TAXIWAYS REHABILITATION/RECONSTRUCTION This portion of the project consists of rehabilitating all of the existing east side taxiway system pavements, including the parallel Taxiway '8: plus its taxiway connections to the runway from Taxiway 'N' at the north and to the south connection at Runway 34. It is anticipated that the pavement rehabilitation/reconstruction could employ various partial depth or full depth reconstruction methods including hot mix asphalt section reconstruction, reconstruction utilizing Portland Cement Concrete, and milling of the existing asphalt pavement surface followed by re-paving of a new asphalt surface. The choice of preferred rehabilitation/reconstruction options will be based on: o Accommodation of contouring of pavement surfaces. o Adequate pavement strengths to serve anticipated aircraft loadings. o Constructibility considerations. o Cost efficiency. o Long-term performance. STORM DRAIN LINES AND HYDRANT WATER LINES REHABILITATION Underground utility upgrading will be another element of the project. This will include replacing several failing concrete storm drain lines with ductile iron that cross Taxiways 8 and K. A portion of an existing water line in the vicinity of the south end of the project Site will be evaluated for likely replacement as part of Phase 2. Surface grades and associated drainage efficiency within turf infield areas between Taxiway 8 and Runway 34 will be evaluated. These areas may require regrading to alleviate existing stormwater ponding issues. New drainage structures will be constructed to facilitate capture of stormwater from re-contoured pavement and turf areas. H:ID0Cl23Ap1101007 Renton TW B & Si9nageIPermiHin91SEPA & Shoreline APP packagel050112 Renton envchlsldoc ·3· TAXIWAY DESIGNATION SYSTEM MODIFICATIONS A new taxiway connector designation system will be developed, and the existing airfield signage system will be modified as necessary to reflect the new designations. The existing designations that Include designators such as G, H, N, etc., will be changed to designations such as A1, AZ, B1, BZ, etc. Since the new designation system will increase the number of characters, the sign module widths will Increase correspondingly. It is anticipated that the existing sign hardware and concrete foundations will not be adequate in the majority of cases to accommodate the new system and will require new construction to accommodate the new signage. TAXIWAY EDGE LIGHTING MODIFICATIONS Taxiway edge lighting will be adjusted or replaced as necessary to be compatible with the new pavement surfaces. PHASING Phase 1 consists of rehabilitating that portion of Taxiway "B" lying north of the "s- curve" jog about midway along the length of Taxiway "B". This portion of the project will include reconstruction of the taxiway to create a crowned taxiway surface to replace the existing "shed slope" surface. The work will Include construction of new underdralns along both sides of the taxiway, construction of new storm drain line on the east side of the south end of the project, as well as construction of a new slot drain system along the frontage of Building 749B (Rivers Hangar). Also included will be new pavement striping, new directional safety signage, and new taxiway edge lighting. . Phase Z of the project will rehabilitate the south end of Taxiway "B" and will include the same type of drainage, pavement, striping, and signage work as described for Phase 1, but in addition will include replacement of a water main . . H:IDOC\23Ap\10\007 Renton TW B & SignagelPerrnlttlnglSEPA & Shoreline APP packagelOS0112 Renton envchlst.doc -4- 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 applications related to this checklist. The project is located along the west side of the Cedar River at the Renton Municipal Airport in Renton, WA. The airport is generally bounded on the north by Lake Washington, on the east by Logan Avenue North, on the south by Airport Way, and on the west by Rainier Avenue North. B. ENVIRONMENTAL ELEMENTS 1. EARTH a. General description of the site (circle one); flat, rolling, hilly, steep slopes, mountainous, other _____ _ b. What is the steepest slope on the site (approximate percent slope?) Five percent 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. Surficial soil deposits in the vicinity of the airport are identified as urban or industrial land that has been modified by widespread or discontinuous artificial fill. The native subgrade beneath the taxiway consists predominately of medium stiff to soft organic silt. d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. Soils beneath the airport have the potential for liquefaction in the event of an earthquake. e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. Approximately 2250 cubic yards (as measured from the existing taxiway surface) of gravel, Import borrow material, topsoil and new asphalt will be required to bring the renovated taxiway to deSign grade for Phase 1. Approximately 6700 cubic yards (as measured from the existing taxiway surface) of gravel, Import borrow material, topsoil and new asphalt will be required to bring the renovated taxiway to deSign grade for Phase 2. H:IDOC123Ap1101007 Renton TW B & SignagelPermlttinglSEPA & Shoreline APP pacl<agel050112 Renton envchlst.doc -5- f. Could erosion occur as a result of clearing, construction, or use? If so, generally. describe. Soil erosion of exposed soli surfaces could occur if temporary and permanent erosion control best management practices are not effectively implemented. g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? The renovated taxiway for Phase 1 will encompass approximately 104,700 square feet of impervious surface, an increase of roughly one half percent over the existing 104,110 square feet of existing Impervious surface. The renovated taxiway for Phase 2 will encompass approximately 236,645 . square feet of impervious surface, an increase of roughly eight-tenths of one percent over the existing 234,700 square feet of existing impervious surface. h. Proposed measures to reduce or control erosion, or other impacts to the.earth, if any: 2. AIR Erosion will be controlled by implementation of water quality Best Management Practices for construction sites, as Identified in the 5tormwater Pollution Prevention Plan (5WPPP). a. What types of emissions to the air would result from the proposal (I.e., dust, automobile, odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. Other than temporary generation of dust and equipment exhaust associated with construction, the project will not facilitate an increased level of air emissions. b. Are there any off-site sources of emission or odor that may affect your proposal? If so, generally describe. No. c. Proposed measures to reduce or control emissions or other impacts to air, if any: Best Management Practices for dust control will be implemented. All construction equipment will have government-mandated exhaust emissions control. 3. WATER a. Surface Water: H:\D0C\23Ap\10\007 Renton TW B & Signage\Pennitling\SEPA & Shoreline APP package\050112 RentOn envchlstdoc -6· 1) Is there any surface water body on or in the immediate vicinity of the site (including year-round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. . The Cedar River abuts the project site to the east and flows into Lake Washington at the northeast corner of the project site. 2) Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. Approximately 430 feet of the north end of Taxiway B lies within 200 feet of the ordinary highwater mark (OHM) of the Cedar River. Work on this portion of the project, which is in Phase 1, entails minor regrading for recontouring of the taxiway surface, placement of a new asphalt surface, revision to drainage structures, and replacement of a water main. 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. No fill or dredge material will be placed In or removed from surface water or wetlands. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. No. 5) Does the proposal lie within a 100-year flood plain? If so, note location on the site plan. No. 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. No. b. Ground Water: 1) Will ground water be withdrawn, or will water be discharged to ground water? Give general description, purpose, and approximate quantities if known. No. 2) Describe waste material 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. Not applicable. H:\D0Cl23Ap\101007 Renton TW B & Slgnage\Permitting\SEPA & Shoreline APP package\050112 Renton envchlsldoc -7- c. Water Runoff (including storm water): 1) Describe the source of runoff (including storm water) and method of collection and disposal, if any (indude quantities, if known). Where will this water flow? Will this water flow into other waters, If so, describe. Stormwater runoff on the north end of the project site Is collected in catch basins and surface swales and eventually discharged directly to the Cedar River. 5tormwater runoff on the south end of the project site is collected In catch basins and surface swales and discharges to an oil/water separator vault on that portion of the airport leased to Boeing. The water quality vault in turn discharges to the Cedar River through a pipe. 2) Could waste material enter ground or surface waters? If so, generally describe. Anti-freeze or petroleum products used in aircraft or construction equipment could be accidentally spilled and potentially washed into surface waters. d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: A wet biofiltration swale will be installed at the north end of the project to treat surface water runoff at that end of the project. The existing oil/water separator vault at the south end of the project site (Phase 2) will be replaced with an as yet undetermined water treatment method approved the Washington State Department of Ecology 4. PLANTS a. Check or circle types of vegetation found on the site: __ deciduous tree: alder, maple, aspen, other __ evergreen tree: fir, cedar, pine, other __ shrubs _X_ grass __ pasture __ crop or grain __ wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other __ water plants: water lily, eel grass, milfoil, other __ other types of vegetation b. What kind and amount of vegetation will be removed or altered? Approximately 590 square feet of existing grass area will be converted to paved or gravel surfaces in Phase 1, with approximately 1665 square feet being converted in Phase 2. c. List threatened or endangered species known to be on or near the site. No threatened or endangered species of vegetation are known to exist on or near the site. H:ID0Cl23Ap1101007 Renton TW B & SlgnagelPermlttlnglSEPA & Shoreline APP packagel050112 Renton envchJst,doc ·8· d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: No measures to enhance vegetation are proposed. S. ANIMALS a. Circle any birds and animals, which have been observed on or near the site or are known to be on or near the site: Birds: hawk. heron. eagle. songbirds. other _-,-______ _ Mammals: deer, bear, elk, beaver, other: Coyotes Fish: bass, salmon. trout. herring, shellfish, other: Chinook, sockeye and coho salmon b. List any threatened or endangered species known to be on or near the site. Cedar River Chinook and Puget Sound Steelhead are currently listed as threatened species (Friends of the Cedar River Watershed website). c. Is the site part of a migration route? If so, explain Yes, the Cedar River adjacent to the site is a salmon migration stream. d. Proposed measures to preserve or enhance wildlife, if any: No specific measures are proposed. 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. Electricity will continue to be required for taxiway lighting. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. No. C. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: No energy conservation measures are proposed. 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. An accident Involving construction workers could happen. 1) Describe special emergency services that might be required. H:IDOC\23ApI101007 Renton TW B & SignagelPennlttlnglSEPA & Shoreline APP packagel050112 Renton envchlsldoc -9- Fire and/or medical services could be required. 2) Proposed measures to reduce or control environmental health hazards, if any: The selected contractor will be required to comply with OSHA and WISHA worksite safety requirements. b. Noise 1) What types of noise exist in the area o which may affect your project (for example: traffic, equipment, operation, other)? ° Engine noise from airport-based and transient aircraft using the airport. 2) What types and olevels of noise would be created by or associated with the project on a short-term or a long-term basis (for example: traffiC, construction, operation; other)? Indicate what hours noise would come from theOsite. Short-term noise associated with construction equipment can be expected to Increase slightly during construction. The taxiway improvements are not anticipated to have an effect on the number of aircraft using the airport. 3) Proposedmeasures to reduce or control noise impacts, if any: Construction equipment will be required to have industry-standard government-mandated mufflers. 8. LAND AND SHORELINE USE a. What is the current use of the site and adjacent properties? The site is part of the Renton Municipal Airport. The airport Is bordered by primarily commercial properties to the south, and southwest. Some residential. land use lies on the opposite side of Rainier Avenue at the northwest corner of the airport. Lake Washington lies to the north, with Boeing facilities lying to the east of the project site across the Cedar River. b. Has the site been used for agriculture? If so, describe. Likely not within the last 50 to 60 years. c. Describe any structures on the site. Hangars are located along the east side of the north end of the taxiway. ° More hangars are located at the south end, together with commercial office and operations space supporting airport-related businesses. d. Will any structures be demolished? If so, what? No. e. What is the current zoning classification of the site? H:IOOCI23ApI101007 Renton TW B & SlgnagelPennlttlnglSEPA & Shoreline APP packagel050112°RenIon envchlst.doc -10- Medium Industrial f. What is the current comprehensive plan designation of the site? Employment Area Industrial g. If applicable, what is the current shoreline master program designation of the site? The subject site is located within the Shoreline High Intensity environment in both Lake Washington reach J and Cedar River reach A. h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify. The City of Renton's Critical Areas Maps indicate that the subject site is within the vicinity of seismic hazards, flood hazards, habitat conservation area and Shorelines of the State (Lake Washington and the Cedar River). i. Approximately how many people would reside or work' in the completed project? No persons will "reside or work in the completed project" per se. j. Approximately how many people would the completed project displace? None. k. Proposed measures to avoid or reduce displacement impacts, if any: Not applicable. I. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: The Renton Municipal Airport maintains vigilance in monitoring proposals for changes in surrounding lani! uses, to insure that such proposals are compatible with airport operations. 9. HOUSING a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing . . Not applicable. b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income housing. Not applicable. c. Proposed measures to reduce or control housing impacts, if any: Not applicable. H:IDOC\23ApI10\007 Renton TW B & SlgnagelPermittinglSEPA & Shoreline APP packagel050112 Renton envchlst.doc ·11 - 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. No buildings are proposed as part of this project. The only above-ground structures involved are airport directional slgnage, none of which is more than five feet above the existing ground surface. b. What views in the immediate vicinity would be altered or obstructed? No views in the immediate vicinity will be altered or obstructed. c. Proposed measures to reduce or control aesthetic impacts, if any: No measures are proposed 11. LIGHT AND GLARE a. What type of light or glare will the proposal produce? What time of day would it mainly occur? The proJect will remove existing taxiway edge lights and replace them with new taxiway edge lights as required to accommodate the new paved surfaces. b. Could light or glare from the finished project be a safety hazard or interfere with, views? The new taxiway edge lights are designed to meet FAA runway edge lighting standards to increase safety at the airport for the flying public. While taxiway lighting is visible from properties at higher elevations around the prope"rty, the level of lighting will not be significantly changed as "a result of lighting upgrades. " c. What existing off-site sources of light or glare may affect your proposal? None d. Proposed measures to reduce or control light and glare impacts, if any: New taxiway lights will be placed in accordance with FAA standards, with attention given to minimizing off-site impacts to the extent possible. 12. RECREATION a. What designated and informal recreational opportunities are in the immediate vicinity? The Cedar River Boathouse lies just north of the project at the mouth of the Cedar River. Gene Coulon Memorial Beach Park lies east of the boathouse along the lake Washington shoreline. Kiwanis Bicentennial Air Park is located along the southwest edge of the airport, and there are a number of small parks H:IDOCI23ApI101007 Renton TW B & SignagelPermitiinglSEPA & Shoreline APP packagel050112 Renton envchlstdoc -12- to the south near downtown Renton. The Cedar River Trail runs from Logan Avenue north along the east bank of the Cedar River. b. Would the proposed project displace any eXisting recreational uses? If so, describe. No. c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: No measures are proposed. 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. No. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural Importance known to be on or next to the site. There are no landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. c. Proposed measures to reduce or control impacts, if any: Not applicable 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. Access to the airport is off of Airport Way South at the south end of the airport. b. Is site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? King County Metro provides bus service to the Renton Transit Center, which is roughly 3/8 mile south of the airport entrance. c. How many parking spaces would the completed project have? How many would the project eliminate? None. 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? None. H:IDOCI23ApI1.01OO7 Renton TW B & Slgnage\PermittinglSEPA & Shoreline APP packege\050112 Renton envchist.doc -13 - e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. The project is improvement to a taxiway at Renton Municipal Airport. f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. None. g. Proposed measures to reduce or control transportation impacts, if any: No measures are proposed. 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. No. b. Proposed measures to reduce or control direct impacts on public services, if any. No measures proposed. 16. UTILITIES a. Circle utilities currently available at the site: electricity. natural gas. water. refuse service. telephone. sanitary sewer. septic system, other. Cable 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 .theimmediate vicinity which might be needed. . Electricity provided by Puget Sound Energy will be required to power the taxiway lighting. C. SIGNATURE I, the undersigned, declare under penalty of perjury under the laws of the State of Washington that to the best of my knowledge the above information is true, correct, and complete. It is understood that the lead agency may withdraw any declaration of non-significance that it mig . sue in relianc upon this checklist should there be any willful misrepresentation 0 wil ullack of f I isclosure on my part. Proponent Signature: -..p..t'::;/~W~7--;f1---'7'''''-"7''1--- Name Printed: Date: r 7 H:IOOC123Ap\101007 Renton TW B & SlgnagelPennlttlnglSEPA & Shoreline APP pacl<agel050112 Renton envchlst.doc -14- • HWA GEOSCIENCES INC. TECHNICAL MEMORADUM • '!', ',' ',: ':. ""', ,."~.' . . . \:~ "':" : c· 'tv Of Rent Planning D' , , On IVls/an TO: Mr. Randy Hall; P .E. / Reid Middleton ", i: JUL -3 1011 PREPARED BY: SUBJECT: PROJECT NO.: DATE: Dear Randy; , c-" '~ Steven E, Greene~1.G., George Minassian, P , P.E. HW A GeoSciences Inc;' " T AXIW AY B -NORTH (GENERAL AVIATION) SECTION IMPROVEMENTS Renton Municipal Airport Taxiway B Rehabilitation Renton, Washington 2011-039-21 April 27, 2012 The purpose of this technical memorandum is to provide a concise summary of the pavement and sub surface conditions we observed within the North (General Aviation-North of the wind rose) section of Taxiway B and provide generalized recommendations for treatment of sub soils that can be incorporated into remedial design. This memorandum draws from information previously published in our Draft Geotechnical Engineering Report, Renton MuniCipal Airport, Taxiway B Rehabilitation, published on July 28, 2011. EXISTING PAVEMENT STRUCTURE As part of our subsurface investigation, we completed 5 core/hand holes, distributed evenly along the taxiway alignment and on the existing tie-down apron area. Based on these relatively limited explorations (Core-Ol Core-02, and Core-05), the pavement structure along the north portion of Taxiway B consists of an HMA surface of about 2 to 4.5 inches thick and a base course layer of about 5 to 6 inches thick. The existing pavement surface is in fair to good condition. Within the apron area adjacent to the private hangers (Core-03 and Core-04), the pavement section consists of an HMA surface layer of about 1.5 to 2.25 inches thick. At the location of Core-04, a 1.5-inch thick layer of crushed aggregate was found sandwiched between the surface course ofHMA and an older 1.75 inch thick layer ofHMA. A thin gravel base layer about 1.5 -inches thick was encountered under the pavement at Core-03. No gravel base was encountered below the lower HMA layer in Core-04. The existing pavement surface within the apron area is in poor to fair condition. In general, the type of distress exhibited by the pavement surface in these areas indicates that drainage is inadequate and the pavement section composed of2 to 4.5-inches ofHMA over 0 to 6 inches of base course is too thin to 2131230thDriveSE supporLcurrent applied.loads._ Suite 110 Bothell, WA 98021.7010. Tel: 425,174.0106 Fax: 425.774,2714 www.hwageo.com . , April 27, 2012 HWA Project No. 2011-039-21 SUB BASE MATERIALS The pavement in the general aviation section is supported on sub base soils consisting of imported fill material ranging from 0.5 to 2.25 feet thick where fully penetrated by our explorations. The sub base soils are comprised of materials ranging from gravel with sand, silt and cobbles to poorly graded sand with silt. At the location of Core-OS, dredge fill consisting of silty medium sand with shell fragments, brick and glass fragments was encountered to the extent of our exploration depth at this location (about 2.5 feet). NATNE SUBGRADE Our subsurface investigations reveal that the native soils in the area consist predominately of soft to medium stiff organic (OLlOH) or sandy silts (ML) within the northern and central portions of the project alignment (TP-l, Core-02, Core-03, and Core-04). Native subgrade soils were encountered at depths ranging from 1.2 to 3.2 feet below the existing pavement surface. The Atterberg Limit tests performed on a subgrade sample from Core-02 revealed that the soil contains low plasticity fines and is categorized by the FAA as susceptible to frost effects, FG-4 (FAA, 2008). One subgrade soil sample obtained in this area was tested for CBR value. The tested sample was taken from Test Pit TP-l, which is representative of the soils encountered along the northern portion of the existing Taxiway location. The moisture-density curve for the sample was determined in general accordance with ASTM D 698, as required by FAA for airfield serving aircraft with total weight less than 60,000 Lbs. The CBR value for the material was determined at maximum effort (100% compaction per ASTM D 698) and at natural moisture content. The measured CBR test result was less than 1 %. Complete test results are presented in Appendix B of the Draft Report. Estimated in-place CBR values for these subgrade soils were determined by dropweight cone penetrometer (DCP) soundings conducted through the core holes. In general, the subgrade is soft to medium stiff exhibiting in-place CBR values ranging from I to 5%, and averaging about 3%. These values are higher than the laboratory CBR test and likely reflect variation in local moisture content and loss of strength due to remolding (sensitivity). The in-place moisture contents of these soils ranged from about 50 to 75 percent over what is optimum for compaction. FROST CONSIDERATIONS The organic silt subgrade soils at the project site are classified by FAA's Airport Pavement Design and Evaluation Advisory Circular (FAA, 2008) as FG-4, for frost susceptibility purposes. For FG-4 type of soils, the FAA recommends control of pavement deformations resulting from frost action by providing sufficient combined thickness of pavement and non-frost-susceptible material to eliminate, or limit to an acceptable amount, frost penetration into the subgrade and its adverse effects. Complete frost protection is accomplished by providing a sufficient thickness of North Taxiway B-Tech Memo 2 HW A GeoSciences Inc. April 27, 2012 HWA Project No. 2011-039-21 pavement and non-frost susceptible material to totally contain frost penetration. This method is intended to prevent underlying frost susceptible materials from freezing. Local design depth for frost penetration in the Renton area is 15 inches (WSDOT, 1995 Pavement Design Guide). The detrimental effects of frost action may be manifested by non- uniform heave, loss of soil strength during frost melting, loss of compaction, restriction of drainage, and cracking and deterioration of the pavement surface. Therefore, the design of pavements in areas subject to seasonal frost action requires special consideration. GROUNDWATER The local water table, or substantial seasonally perched ground water, was observed in explorations Core-04 and TP-l and TP-2, located within the north and central portions of the infield, ranging from 2.7 to 5.4 feet below the existing ground surface. We anticipate that ground water level in the area to be high; especially during the wet weather season and vary locally with the level of the adjacent Cedar River. This high ground water level will further reduce the already low infiltration potential of the subgrade soils. DISCUSSION AND RECOMMENDATIONS GENERAL Our subsurface investigations reveal that the existing pavement subbase soils consist of fills ranging from 0.5 to 2.2 feet thick and composed of sandy gravel (Core-Ol and Core-02), sand to silty sand (Core-03 and Core-04) or dredged fill (Core-OS). Beneath the subbase fill, native soft organic silt subgrade was encountered at depths ranging from 1.2 feet (Core-02) to 3.2 feet (Core-03). The loading expected in this area has been increased from 60, 000 pounds to about 78,000 pounds to support ARRF vehicles. We understand that likely total reconstruction of this portion of the airport taxiway is being considered consisting of a pavement section likely composed of 4-inches ofHMA over 6-inches of gravel base over a sub base layer in excess of 14-inches thick. At many locations in the north portion of the taxiway area, the two foot cut required to accommodate the proposed pavement section, and maintain current grade, will extend as much as 8 to 10 inches into the soft to medium stiff native subgrade. In the following sections, we discuss subgrade preparation and improvement alternatives that may be used to incorporate into design. SUBGRADE PREPARATION Granular Subgrade All existing HMA, base gravel and fill and/or native soil to a prescribed depth to accommodate the design section and sub base layer should be removed from areas to be paved. Where the excavation has exposed granular fill soils consisting of silty sand (SM), sandy gravel (GP) or sand with silt and gravel (SP-SM) , the surface should be thoroughly compacted to provide a dense and unyielding subgrade condition, which shoUld be confirmed by a geotechriicaJ engmeer North Taxiway B-Tech Memo 3 HW A GeoSciences Inc. J April 27, 2012 HWA Project No. 2011-039-21 prior to placement of any sub base material. Any loose or soft areas that exhibit instability should be over-excavated and replaced with structural fill comprised of crushed aggregate base course (P-209), and compacted to a dense and unyielding condition. This work should preferably be completed during dry weather. Structural fill should be placed in loose horizontal lifts, of not more than 8 inches in thickness, and compacted to at least 95% of the maximum dry density, as determined using test method ASTM D 1557 (Modified Proctor). At the time of placement, the moisture content of the structural fill should be, at or near, optimum. Silt Subgrade All existing HMA, base gravel and fill and/or native soil to a prescribed depth to accommodate the design section and sub base layer should be removed from areas to be paved. The native organic silt subgrade is highly moisture sensitive and should not be exposed during periods of wet weather. We recommend that exposure of the subgrade to the elements be limited to the amount of area that can by prepared during one-shift. Where the excavation has exposed soft to medium stiff organic silt soils, we anticipate that the soil surface will not support typical construction loads and will rut easily under tired vehicle traffic. We recommend that lightly loaded track mounted equipment or vehicles with oversized tires be utilized over the exposed silt subgrade to minimize disturbance and loss of stability. We also recommend that the subgrade be stabilized to adequately support construction and future traffic loads after reconstruction. Stabilization may take the form of one of the two alternatives described below: Cement Treatment: We do not anticipate that the native organic silt soils can be efficiently dried and reworked in a reasonable time without the addition of lime or cement. Since the soil is predominately silt, we expect that cement treatment will be more effective than treatment with lime. The FAA does allow cement treatment of fine grained subgrade soil to produce soil cement base (P-301). We recommend that the subject soil be sampled and checked for suitability for cement treatment as defined by FAA Advisory Circular AC 150/5370-1 OC. The cement quantity to be added is determined based on laboratory soil tests which also determine the durability and strength of the stabilized sub grade. We expect that the depth of treatment for this application will be at least 8-inches. Care must be taken to identify any existing below grade structures that that could be damaged by the cement mixing process. Usually, subgrade treated in this manner can support construction traffic after a curing period of 3 days. We understand that due to logistical reasons the reconstruction of the north portion of Taxiway B will be conducted in 2 or more phases. This will likely eliminate the economies of scale enjoyed by the assembly line method utilized in cement treatment by requiring multiple mobilizations by the soil treatment subcontractor. On the other hand because phased construction will limit the amount of subgrade exposed at anyone time to the elements, the risk of widespread subgrade damage by rainfall is reduced. ~~ __ -"TLyp",i",cal",-,s",u"b.grade ~paration using cement treatment would likely consist of the following steps: North Taxiway B-Tech Memo 4 HW A GeoSciences Inc. , April 27, 2012 HWA Project No. 2011-039-21 A. Removal of existing pavement and sub base materials down to desired depth to accommodate design taxiway section. B. Survey the exposed subgrade and collect in-place soil moisture content data utilizing a nuclear gauge. C. Apply the prescribed amount of Type I-II Portland cement on a pound per square area rate as specified in the contract documents to achieve the desired water to cement ratio of the in-place mix for the appropriate depth of mixing required. D. Mix the cement and soil using transverse. axle, single or multiple-shaft, rotary mixers to a depth not to exceed 12-inches per pass. E. Cement is applied only to an area such that the spreading, mixing, compaction, and finishing of the soil and cement can be continuous and also completed within 2 hours or less of the cement application. F. After the cement has been applied it shall be dry-mixed with the soil. Mixing is continued until the cement has been sufficiently blended with the soil to a uniform color. Soil and cement that has not been compacted and finished shall not remain undisturbed for more than 30 minutes. G. Thoroughly compact the soil cement with a vibratory, low-profile, sheepsfoot compactor. Rolling should continue until the compactor "walks out" of the lift. The surface should then be finished by rolling with a heavyweight smooth steel drum or pneumatic tire roller. H. The target density should be determined in the field by compacting representative field mixed samples of the soil-cement mixture in a 4-inch diameter mold using a 5.5-pound hammer with an twelve-inch drop (ASTM Designation: D 558). After final compaction, the soil-cement layer shall have a uniform density of not less than 95 percent of the maximum density as determined by the field test method specified above. I. At the end of each day's construction, a straight transverse construction joint is cut by cutting back into the completed work to form a true vertical face free of loose or shattered material. Soil-cement sections for large wide areas should be built in a series of parallel lanes of convenient length and width meeting the approval of the Engineer. 1. After the soil-cement has been compacted, it needs to be protected against drying by either sprinkling with water, or placement of a protective layer consisting of either 10-mil thick visqueen, concrete curing compound, or asphalt sealer. If the sprinkling method is used moisture should be applied for period of at least 7 days or until 3 days after which subbase course may be placed. Geogrid Reinforcement: Alternatively, a working surface may be constructed over the exposed native silt sub grade consisting of a biaxial or triaxial geogrid overlain by a minimum of 6-inches of compacted structural fill (P-209). The Structural fill should be placed and North Taxiway B-Tech Memo 5 HW A GeoSciences Inc. , April 27, 2012 HWA Project No. 2011-039-21 compacted in accordance with the geogrid manufacturer's requirements. At the time of placement, the moisture content of the structural fill should be, at or near, optimum. Phased construction methods are less likely to effect reconstruction costs associated with geogrid reinforcement which does not require specialized equipment to install. In addition, installation support is typically readily available from the geogrid manufacturer's local representative. Typical subgrade preparation using geogrid reinforcement would likely consist of the following steps: A. Removal of existing pavement and sub base materials down to desired depth to accommodate design taxiway section. B. Survey the subgrade surface, and depending upon soil stiffness, minimize disturbance or possibly lightly proof roll the surface. The manufacturer's representative should be contacted to observe site conditions and ensure the geogrid performance is optimized. C. The geogrid rolls are placed in position and manually rolled out over the prepared surface in the direction of travel with the appropriate amount of overlap at sides and roll ends as designated by the manufacturer (about 2 feet). D. The grid is anchored in place with small piles of aggregate prior placement of aggregate fill. In very soft areas, zip ties may be placed every 5 to 1 0 feet to maintain the overlap as directed by the manufacturer's representative. E. At the direction of the manufacturer's representative, the aggregate fill may be placed by direct dumping or by dumping from the edge of previously placed material. Spreading of material may require the use of low ground pressure (LGP) equipment if subgrade soils are very soft. F. The aggregate fill should consist of well-graded crushed rock aggregate meeting the gradation requirements specified by the geogrid manufacturer. G. The minimum lift thickness of the initial lift of aggregate fill is typically 6-inches or more over the geogrid as specified by the manufacturer. H. Compact the aggregate fill using standard methods except where soils are very soft where static instead of vibratory equipment is preferred. Where soils are very soft compaction requirements are normally reduced for the initial lift to achieve a suitable working surface from which to build the design section. NEED FOR UNDERDRAINS Although regional ground water table, or substantial seasonally perched ground water, were not observed in all of our shallow explorations of the proposed taxiway alignment, we anticipate that ground water level in the area to be high; especially during the local wet weather season. BeQause of the high fines content in the subgrade lay~r, 'Yet:xp~ct that w!lter pene!rll!ing _the surfacing could become trapped in the base course layer. Therefore, we recommend that North Taxiway 8-Tech Memo 6 HW A GeoSciences Inc. -. April 27, 2012 HWA Project No. 2011-039-21 subsurface drainage be provided below the pavement and along the edge of the taxiways and apron pavement to intercept, and prevent, possible incursion of such infiltrated water beneath the pavement areas. Failure to maintain the subgrade in a positively drained condition could lead to localized softening and loss of support for the pavement structure, possibly resulting in pre- mature pavement distress. Moreover, saturation of the subgrade with infiltrated moisture will exacerbate potential frost-heave effects and increase the rate of subgrade deterioration. CONDITIONS & LIMITATIONS We have prepared this preliminary report for the City of Renton and Reid Middleton for use in the planning and design of this project. Experience has shown that soil and ground water conditions can vary significantly over small distances. Inconsistent conditions can occur between exploration locations and may not be detected by this limited geotechnical investigation. Within the limitations of scope, schedule and budget, HW A attempted to execute these services in accordance with generally accepted professional principles and practices in the fields of geotechnical engineering and engineering geology in the area at the time the report was prepared. No warranty, express or implied, is made. The scope of our work for this phase did not include field exploration, environmental assessments or evaluations regarding the presence or absence of wetlands or hazardous substances in the soil, surface water, or ground water at this site. -----------,0-0----------- We appreciate the opportunity to provide geotechnical services on this project. If you have any questions regarding this technical memorandum, or need additional information, please do not hesitate to contact us. North Taxiway B-Tech Memo 7 HW A GeoSciences Inc. 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HOME NEWS SERVICES DIRECTORY CONTACT I II Search I King County Department of Assessments Fair, Equitablo, Ind Undershlndable Property Valuations You'roin '·111 Online Services ""eRosl ;11 II PERIMETER RD W 98055 . __ .,,~~. :.clS-23-S & PORTOBINS D C INCL PORPLATIED& VAC STS LV INLY OF COMM W LN DIXIE AVE & ELY OF STATE HWAY # S&ELV & SLY OF FOLGLN BEG ON ELV AT PT 5 FT S OF N LN OF LOT 8 BLK 18 BRVN MAWR TH E 89.23 FT TH N 05·16· FTTH N 40-09-47 E 168.55 FTTH N 60 FT TH N 29'()()-40W 197.07 FTTH S 88-27-28 E N 01-32-32 W 40 FT TH S 68·27·28 E 234.53 FT TH S 35-00·00 E 142.41 FTTH E 403.70 LOTS 19 TO 221NCL BLK 4 RENTON REAL ESTATE cos 1ST ADD LESS PORTION FOR CONDOMINIUM Square 1000 Levy Code: 2100 Page 10f2 Reference Links: • King County Tax log Districts Codgs end levies (.PDFI • King Cgunty Tax iJ!l.!i§ • PropMy Tax Advisor • Wasbington Stale Departmenl of Revenue (External Ink) • Washington Slate Board of Tax ~(Exlernal !.ink) .~ Aopeals(Egualiza!!OQ • Qistricts Report .- ReWdm's Dffg ScaOOed images of surveys and Other map documents CifYOfR P/annin enfon 9 DIVISion JUL -3 lOll http://info.kingcounty.gov/Assessor/eRealProperty/Dashboard.aspx?ParcelNbr=0723059007 5/8/2012 I Printed: 07-03-2012 Payment Made: CITY OF RENTON 1055 S. Grady Way Renton, WA 98055 Land Use Actions RECEIPT Perm it#: LUA 12·052 07/03/2012 02:14 PM Receipt Number: Total Payment: 3,090.00 Payee: Visa Credit Card Current Payment Made to the Following Items: Trans Account Code Description 3080 503.000000.004.322 Technology Fee 5010 000.000000.007.345 Environmental Review 5014 000.000000.007.345 Grading & Filling Fees Payments made for this receipt Amount 90.00 1,000.00 2,000.00 Trans Method Description Amount Payment Credit C MC 0415 Account Balances Trans Account Code Description 3021 303.000000.020.345 Park Mitigation Fee 3080 503.000000.004.322 Technology Fee 3954 650.000000.000.237 Special Deposits 5006 000.000000.007.345 Annexation Fees 5007 000.000000.011.345 Appeals/Waivers 5008 000.000000.007.345 Binding Site/Short Plat 5009 000.000000.007.345 Conditional Use Fees 5010 000.000000.007.345 Environmental Review 5011 000.000000.007.345 Prelim/Tentative Plat 5012 000.000000.007.345 Final Plat 5013 000.000000.007.345 PUD 5014 000.000000.007.345 Grading & Filling Fees 5015 000.000000.007.345 Lot Line Adjustment 5016 000.000000.007.345 Mobile Home Parks 5017 000.000000.007.345 Rezone 5018 000.000000.007.345 Routine Vegetation Mgmt 5019 000.000000.007.345 Shoreline Subst Dev 5020 000.000000.007.345 Site Plan Approval 5021 000.000000.007.345 Temp Use, Hobbyk, Fence 5022 000.000000.007.345 Variance Fees 5024 000.000000.007.345 Conditional Approval Fee 5036 000.000000.007.345 Comprehensive Plan Amend 5909 000.000000.002.341 Booklets/EIS/Copies 5941 000.000000.007.341 Maps (Taxable) 5998 000.000000.000.231 Tax 3,090.00 Balance Due, ---------------i .00 .00 .00 .00 .00 .00 .00 .00, .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 City of Renton Planning Division JUL - 3 1011 R1203058 CITY OF RENTOH BLDG' OEP IBSS S GRADY !h1Y REHTON, III. 9BB57-3231 TERHINAL 1.0.: B9173498888881S1567781 IfRCHANT a: UISA PCARD U_I8415 I SALE 888/515677 RECORD a: 9 IHU: 889BB! DATE: JUL 8!, II BAlCH: 469 CUSI CODE: B11 AUS RESPOHSE: A CUUl RESPOHSE: P TlIf: 99:!8 AUTH: 966!54 ADDRESS IIITCHES, ZIP DOES HOT TOTAL $3090.00 I AGREE TO PAY ABOUE TOTAL AIIIUHT ACCOROIHG TO CARD ISSUER AGREEIfHT OfRCHAHT AGREEIfHT [F CREDIT UOUCHER) CUSTOIiR COPY