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Section 404 Permit Application: Port Of Seattle to U.S. Army Corps of Engineers for Sea-Tac Airport Third Runway Fill Material

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Sea-Tac Airport
Third Runway

In December 1996, the Port of Seattle submitted a Section 404 permit application to the U.S. Army Corps of Engineers to place fill material in waters of the United States as part of Sea-Tac Airport's Master Plan Update, which included construction of a third parallel runway. The application explains that the new runway, located 2,500 feet west of the existing 16R/34L runway, was needed to reduce severe arrival delays during poor weather conditions, which were costing airlines approximately $42 million annually. The project was the outcome of nearly a decade of regional planning, including the PSRC's Flight Plan Study, which evaluated numerous alternatives before recommending the runway expansion as the best solution for the region's long-term air travel needs.

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Section 404 JARPA application dated December 18, 1996, submitted by Barbara Hinkle, Senior Environmental Specialist, Port Of Seattle, to Jack Kennedy at the U.S. Army Corps of Engineers Seattle District Office requesting a permit to place fill material into waters of the United States at Seattle-Tacoma International Airport in connection with the Master Plan Update third parallel runway project. Documents the need for a third runway located 2,500 feet west of existing runway 16R/34L to allow staggered dual-stream arrivals in poor weather (IFR/VFR conditions), with projected savings of $132 million per year in aircraft delay costs at 425,000 annual operations. Includes PSATC Flight Plan Study findings, Puget Sound Regional Council Resolution A-93-03 and EB-94-01, and JARPA application form with applicant contact Barbara Hinkle.

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