EXH0239A018976

Subject: Pr_ Comments (Set1) on August 2000 Stormwater Management Plan for Seattle-Tacoma InternationalAkpon Mas_ Plan Update Improveo_.nts. NorthwestHycL"au]JcConsultants(rdtc)h_ bee_retainedonbeha]fof the Airport Commumti= Coalitionto providea techmca/reviewof stormwaterfacilitiesa_ relatedstreamflowimpactsfrom the proposed3rd runwaydevelopmcmatSeaTacairport. Bya letterdstedNovember24, I999, we provided our ;.;_,,I commea_fi'omour tet.hnicalreview of the November 1999version of the Stormwaterl_/_a_gememP[an($1v_) for MasterPlanUpdateImprovementsat Seattle-Tacoma Intermtion=lAirport. Substantivefollow-upo0n_rm werepresentedin our emailof 4/4/2000 and lettersof 5/3/2000,"//31/2000,and9///2000. Ourtecknicalcorrummtsandconcernshavebeen consJste_lycorroboratedbyKing Com;tyand Pacific C-rou=lwaterGrouptraderscpar-4tecontractsto Ecology, The purpose of thi, letter is to provide our firstsetof pr"¢hminarycommentson the August 2000 version of the project Stormwater ManagementPlan (SMP). Our comments are being provided on an incrementalbasis because of ddays in our being providedthe SMP and the lack of adequate time to provide comprehensive review commmtts. Wc were advisedby Ray Hdlwig duringa meeting on September 6, 2000 that a decision on the Port's 401 Certificationapplicationmight be made by ]Ecology at amytime a_terSeptember15, 2000. Plea_ takethe dineto considerthis lettef and the subsequ¢,_t letters wkich will follow in this series. TheAugust2000SMP isahalf-footthick,1T-pounddocument.An incompleteversionoftheAugust 2000gMP wasfirstrel¢asedtotheACC forpublicreviewonAugust29,2000. ColorcopiesofSMT color-coded figures were released to the ACC for publicreview on September 7, 2000, and SMP errata pages andsupplemental analyses were released to the ACC for public review on September 13, 2000. King County fired review comments on the August 2000SMP were submitted to Ecology and m'_ultancouslyreleasedtothe Ace onSeptember15,2000. - The time fTamebetween our receipt of the Au!past2000 SMP document andthe deadline for a decision byE_olob---yon401 C¢rt;_:;oatior_is=tot=u_:;¢i-ntfor =tthoroughorc_mpletereview of thelatestS_v[P RIVER ENGINEERING , NT3RAt.'L|C MO_EL TE$71NG / N_'OR==UI.=C ANALYSIS AN0 OEgIGN / COASTAl. k'kG|N|E_IINQ _YOROEO(_Y .' tl[OtMI; NTATIOht Ir NGINE…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]