Exhibit 218: Sea-Tac Airport Third Runway 401 Permit Negotiations — Draft Meeting Notes, October 27, 2000

These draft meeting notes from October 27, 2000 document technical negotiations between the Port of Seattle and the Washington State Department of Ecology regarding the 401 Water Quality Permit for Sea-Tac Airport's Third Runway project. The meeting covered key stormwater management topics including detention sizing, base flow impacts, and the Tyee Pond buffer, with participants tracking a master list of technical issues requiring resolution before the permit could be issued. The notes reflect ongoing discussions between agency staff, Port representatives, and engineering consultants to resolve stormwater modeling, hydrology, and environmental compliance questions.

Notes

Exhibit AR018806. Draft meeting notes from the Sea-Tac Airport Third Runway 401 Permit Negotiations session held October 27, 2000, prepared by Kate Snider of Floyd & Snider Inc. Attendees included representatives from Washington State Department of Ecology (Ray Hellwig, Kevin Fitzpatrick, Ann Kenny, Chung Ki Yee, Tom Luster, David Garland), Port of Seattle (Michael Cheyne, Elizabeth Leavitt, Keith Smith), King County (Kelly Whiting, David Masters), and consultants from Parametrix, HNTB, Earth Tech, PGG, and Hart Crowser. Agenda covered Stormwater Master Plan detention sizing, base flow update, Tyee Pond buffer, and Ecology staffing for 401 permit, NRMP review, and King County. Master list of 401 technical issues tracked resolution status for items including Des Moines Creek Basin Plan consistency, IWS pump station modeling, SASA facility volumes, Walker Creek calibration, borrow site #3 hydrology, SR 509 interchange impacts, runway de-icing/dissolved oxygen study, NPDES, HSPF and KCRTS models, and Kludt settlement compliance. PCHB Third Runway EIS administrative record document.

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