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Port of Seattle Single-Family Home Sound Insulation Program (SFHSIP) Owner Handbook providing guidance to homeowners on aircraft noise reduction improvements at Sea-Tac Airport. Covers program eligibility requirements including Noise Remedy Boundary and Average Interior Noise Level thresholds, FAA design criteria (DNL 45 dB, minimum 5 dB NLR), required legal documents (Owner Participation Agreement, Avigation Easement and Release of Claims, Subordination Agreement, Owner Scope of Work Acceptance), acoustical treatment options including windows and exterior doors, ventilation systems, hazardous materials, smoke/carbon monoxide detectors, and construction procedures. Emphasizes voluntary participation, strongly encourages attorney review before signing, and notes COVID-19 protocols for in-person appointments. Contact: Airport Noise Programs Office, (206) 787-5393.

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Upcoming Events

Part 150 NCP Workshop — Burien
Add to CalendarMSaturday Oct 17: 10:00am

Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.
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Part 150 NCP Workshop — SeaTac
Add to CalendarMMonday Oct 19: 6:00pm

Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.
[...]
Part 150 NCP Workshop — Des Moines
Add to CalendarMTuesday Oct 20: 6:00pm

Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.
[...]

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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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