EXH0228018905

PCHBPollution Control Hearings Board of the State of Washington

16300 chrtsmnlam road. luitt 3_tO .,, , ..KI. w.s/vngtong,181F3418 ,1_| _(_/; _ _L._ varlcouvl)r r_o6)241-s000• _on, I_; edmonton (2OB)43g-2420- lax I r'_ • U Lt DEC3 0 Z001 seattle USACE P=embcfIZ.2001 REGBLATORYBRANCH ColonelRalphH- Graves Ms. MutTyWalker Ms. Gall Terzi U.S. Army Corpsof'Engineers SeattleDistrict P. O. Box 37S5 Seattle,WA 98124-3755 Dear Colonel C-raves,Ms. WalkerandMs. Terzi: Re:CorpsRe£ No. 1996-4..02325;Por_of SeattleDocumentInconsistencies As you know, NorthwestHydrsuli©Consultantshas been retainedon behalf of tho Airport CommunitiesCollidon (ACC) m provide a ¢edmicaJreview of stormwzter facilities and -'_ stroamflowimpactsfrom developmentactivitiesat SeaTa¢_-port. The purposeofthis letter is to identi£7 inconsistenciesin the Port's propossdsfor site developmentand stormwazcr management.It supplementsourprior lettersanddeclarationsin this mttter, the lasestotwhich is our November26,2001,lettertoyou. Since our last letter, numerous addkional documents relating to the siq)ort development activhicshavebccnobtainedby ACC publicdisclosurerequests.This letter focuseson the two documentsidentifiedbelow. Pert of Seattle- CommissionAgendaItem No. k for lv[eednflon November 13, 2001. Memorandum dated October 16, 2001 reprding ResolutionNo. 3469, a_remncnts betweenthe Port of Seatl]eandtheCity of SeaTzcfor usemJ rcdcvclopmcntotborrow areas 3 and4 on Port proper_ within theCity. A copyof'thatmemorandumis enclosed for Rferen¢c, "Natural ResourceMitigation Plan, Seattle-TacomaInternationalAkporr, Muter Pi,tn UpdateImprovements,"November2001, preparedby Paramctrix,Inc. t'orPorto£Seattle. Ptesscnote that this letter doesnot reflect a detailedreview of" the projectNzt_rld ]_=tour_ Mitigation Plan (3q]LMP). In particular,the Novcmber2001 versionof' the _ doesnot lu:l_t,tteiy address or resolve our previously-cxpr_sedconcerns over the water-hoidinS capabilityot"the relocatedMiller Creek channel,or the uncertainperformanceo£ relocated /" RIV|R |NQIN|EIIINC t tqYORAUIU¢ MODEL TI_STINO I NYUA&U_.IC ANALYII I AJID _IMl_ I £O,ILI t_./,, I_I_IG/N_4rlll_lG // P_ NYOIIOLOGY I S¢OIId_NTAnoN [NGI_ElflMNG + NUMERICAL IdOOKLJNG I JllllUED I_UANCN I FORI;NII4_ I;NIMlle|RINII AR O18905 JAN.-07'0I(MON)13:31 US-COE-REGULATORYBRANCH…
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