Notes
Assessment Technical Report for the Seattle-Tacoma International Airport (Sea-Tac Airport) Sound Insulation Repair and Replacement Pilot Program (SIRRPP), prepared by Environmental Science Associates (ESA) for Port of Seattle, January 2025. Covers comprehensive homeowner survey outreach (postcards, survey letters, assessment website, Part 150 Study kickoff meetings), research on building materials expected useful life for sound insulation packages, and acoustic testing methodology and results for pilot homes. Includes overview of sound insulation products, selection criteria for tested homes, and acoustic testing results measuring noise reduction performance of aging Port Packages.