EXH0234018945

northwest hydraulic consultants inc. i'Zo !_- 16300 christensen road. suite 350 sacramento _'/_),-t_ seattle, washington 98188-3418 vancouver | EXHIBn" NO.-;_'f-| (206)241-6000- phone edmonton | ,_ _-o_ | (206) 439-2420 - fax • M Green • www.nhcweb.com seattle June 25, 2001 U.S. Army Corpsof Engineers Regulatory Branch Post Office Box 3755 Seattle, Washington 98124-2255 ATTN:Muffy Walker GallTend Washington StateDepartmentof Ecology ShorelandsandEnvironmentalAssistanceProgram 3190 - 160i Avenue Southeast Bellevue, Washington98008-5452 ATTN:Ann Kenny Subject: Follow-up commentson stormwater, hydrology, andhydraulicsaspects of proposed 3rdrunwayandrelateddevelopmentactionsat Seattle-TacomaInternationalAirport, Corps Reference No. 1996-4-02325. Northwest HydraulicConsultantshasbeenretainedon behalfof theAirportCommunities Coalition to provide technical reviews of stormwater, hydrology, and hydraulics elements of proposed developmentactionsat SeaTac airport. Ourcommentson the December2000 version of theproject stonnwater managementplanandrelatedenvironmentaldocumentswere submittedto Ecology and the Corps in a letter datedFebruary15, 2001. Responses to publiccomments, includingthose submittedby N'I-IC,were made in a document dated April 30, 2001, by or on behalfof thePort of Seattle. The purpose of this letter is to provide our follow-up comments based on those Port responses. Follow-up comments areprovidedbelow for eachof the numberedpoints in our comment letter and in the Pon's response. Those documentsdo not sharea common numberingsystem. In order to facilitatecross-referencingto thepriordocuments, each comment below begins with"NI-ICxx; Port xx" to reference the correspondingcomment and response numbersfrom our comment letter of February15, 2001 andthe Port's response documentof April30, 2001. 1. NHC 1; Port 1. In our opinionthere is a need to eliminateambiguityas to what stormwater standardswill be appliedfor this project.A clear commitmentis needed that the "updated" standards descn'bedin SMP Section 2.1.4 will be followed, and are not subject…

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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 [...]