Gerrard Associates

1979-07-27
Letter to FAA North Sea-Tac site development plans and carrying capacity analysis

A July 1979 letter from planner Janis Snoey to FAA Airport Planning Branch representative George Sato transmits five pre-schematic site plans for the North Sea-Tac Park, showing projected peak-time visitor numbers under various development scenarios. The plans, prepared following an FAA meeting on July 17, 1979, are accompanied by a 'Carrying Capacity' map that classifies park areas by development suitability—from very high intensity (sports fields, motorcycle trails) to low intensity (foot paths only)—based on analysis of soils, hydrology, vegetation, and noise. The documents were intended solely to provoke discussion during the early master planning phase for the North Sea-Tac site.

CategoriesCorrespondence, HistoryTagsFAA, Gerrard Associates, Jongejan, Land Use, North Sea-Tac Park, NSTP

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.

V V