Notes
Floyd & Snider Inc. meeting notes summary (draft for review) covering 401 Permit negotiations between the Port Of Seattle and Washington State Department of Ecology (Ecology) regarding the Sea-Tac Airport Stormwater Master Plan Update and third runway construction, October 2 through November 29, 2000. Document ECY00009383/AR029061 covers technical issues including detention sizing, basin acreage discrepancies, HSPF and KCRTS hydrological models, IWS pump station modeling, Walker Creek calibration, Des Moines Creek Basin Plan consistency, flow augmentation for Des Moines Creek, SASA facility volumes, Natural Resources Mitigation Plan (NRMP), wetland hydrology (Wetlands 18, 37, 39B), runway de-icing/dissolved oxygen study, SR 509 interchange impacts, NEPA/SEPA revision timing, Kludt settlement compliance, borrow site hydrology, HPA/401 issuance relationship, and King County off-site flow criteria. Master list of resolved, pending, and action-item issues maintained jointly by Port Of Seattle and Ecology.