Notes

Pre-filed testimony of William A. Rozeboom, professional civil engineer with Northwest Hydraulic Consultants, submitted on behalf of Airport Communities Coalition (ACC) in PCHB No. 01-160, ACC & CASE v. Dept. of Ecology & Port Of Seattle, February 22, 2002. Rozeboom testifies regarding stormwater facilities, streamflow impacts, drainage plans, post-construction monitoring, and stormwater management plans related to the proposed Third Runway and other development at Sea-Tac Airport. Reviews Port Of Seattle stormwater management plans, natural resources mitigation plans, and low flow analyses under Washington State Department of Ecology Stormwater Management Manual and King County Surface Water Design Manual (KCSWDM). References Snoqualmie Ridge Parkway project as comparable large-scale development. AR 014595–014597.

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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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