Notes

An internal email chain among Washington State Department of Ecology staff discussing concerns about the draft 10/20 meeting notes related to the Sea-Tac Airport third runway 401/404 review. Tom Luster raises several technical issues including NPDES stormwater requirements for the SR-509 interchange, Des Moines Creek flow augmentation, temporary construction in the SASA footprint, and the 401’s relationship with the Agreed Order. Raymond Hellwig responds noting differing recollections of what was agreed upon at the prior internal meeting.

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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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