Program Area Boundaries/Noise Remedy Update Summary And Staff Recommendations

Noise Remedy UpdateThe 1980 Noise Remedy Update was the foundation for all subsequent noise mitigations around Sea-Tac Airport, including property buyouts and…

The purpose of this report is to summarize the steps that have been taken in updating the program area boundaries for the Noise Remedy Program. This report also specifies the staff boundary recommendation which has been developed in light of all advise and information available. Noise Remedy Update The Sea-Tac Communities Plan was adopted in 1975/76 by the Port of Seattle and King County. This plan recommended program area boundaries based on the techni- cal noise information available at that time. Since that time new noise impact technology has been developed and the noise environment around Sea-Tac has changed • Due to these changes, the current update of the Noise Remedy Plan entails a review and adjustment of the boundaries for the three program areas: 1. Acquisition 2. Neighborhood reinforcement (purchase assurance) 3. Cost-sharing insulation The review and adjustment of boundaries has generally taken place in three unscheduled phases. First, the consultant (Peat Marwick & Mitchell/PMM) hired to assist Port staff with the update made an initial boundary recommendation based on noise criteria and a set application of that criteria. Subsequently, a group of citizens (a subcommittee to the Technical Working Committee) reviewed the boundaries suggested by PMM and recommended several changes based on cri- teria other than strictly noise criteria. The third phase of review is that of the staff working with the consultant and FAA staff. Taking the PMM & sub- committee's advise, the staff in turn prepared a boundary recommendation that is primarily based on noise and…
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