March 14, 2001August 2, 2026

EXH AR029135: Draft Technical Meeting Notes — 401 Permit Decision-Making, Sea-Tac Airport Third Runway, March 14, 2001

Notes

Draft meeting notes prepared by Kate Snider of Floyd & Snider Inc. for a technical meeting held March 14, 2001 regarding 401 Permit Decision-Making for the Sea-Tac International Airport Third Runway. Attendees included representatives from the Washington State Department of Ecology (John Drabek, Kevin Fitzpatrick, Ann Kenny), Port of Seattle (Keith Smith), King County (Kelly Whiting), AquaTerra (Joe Brascher), Parametrix (Paul Fendt), and Floyd & Snider (Kate Snider, Rachel McCrea). Meeting addressed Port responses to Stormwater Master Plan (SMP) information requests per King County letter dated February 22, 2001, compliance with the 1998 King County Surface Water Design Manual, deliverable submission logistics, color-coded revision tracking, and Enclosure 2 Group 1A checklist items including model reruns, soils infiltration data, Miller Creek runoff files, basin boundary documentation, and ASR area fencing. AR numbers 029135–029137, document identifiers ECY00007549–7551.

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As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.

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