July 5, 2001August 2, 2026

EXH AR029198: 401 Permit Decision-Making, Sea-Tac Airport Third Runway — Technical Meeting Notes and Schedule Update, July 5, 2001

Notes

Final draft meeting notes from July 5, 2001 technical meeting on 401 Permit Decision-Making for the Sea-Tac Airport Third Runway, prepared by Rachel McCrea of Floyd & Snider Inc. Attendees include Ann Kenny (Dept. of Ecology), Kelly Whiting (King County), Keith Smith (Port of Seattle), Felix Kristanovich (Foster Wheeler), Paul Fendt and Tom Atkins (Parametrix), Alan Black (HNTB). Documents King County feedback on D7A&B (yellow) ‘Miller Creek’ submittal including corrections to 2006 model PCHRES 257 DVOL1, SDW1E pond staging verification, Summary of Basic Statistics table additions for SDN3A, SDW1A, SDW1B, Lake Reba, SR509, and MCRDF, SDN2X-4X flow frequency/duration curve inconsistency, and MCRDF duration plot. Includes schedule update table as of 7/5/01 and 7/23/01 tracking deliverables D1 through D10 (Ripples) with pink/yellow/green draft milestones. AR029198, ECY00014883, ECY00014884, ECY00014885.

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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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