StART Aug 28 2019 presentation two

Sound insulation reduces interior noise levels to DNL 45 dB or less Sound Insulation Requirements • Homes have to be built prior to 1986 in Des Moines and 1987 in all other areas – Building codes met or exceeded FAA standards past these dates • Homeowners are required to sign an avigation easement • Homes must pass a noise audit to ensure that a DNL 45 dB interior noise level can be achieved with at least a 5 dB reduction Sea-Tac Airport’s History of Noise Mitigation • Sound Insulation • Began in 1985 • Approximately 9,400 homes have been completed • 8 Highline Schools completed (POS/FAA funding assistance) • 5 Condominium Complexes 246 units • 14 Buildings on the Highline College Campus • Acquisition • 5 Mobile home parks, 359 mobile home units • 69 Homes north of the 3rd runway • 1,400 single family homes including 3rd runway acquisition Approximately $300 million spent on sound insulation / $100 million on noise related acquisition Single-Family Sound Insulation • Continuation of Single Family Sound Insulation • Approximately 135 homes identified as potentially eligible • Extensive outreach to homeowners completed by certified mail in 2016 • 48 applications received back • 7 homes did not qualify by year built • 41 homes sound tested – 34 qualified • 9 homes completed in 2019 • 9 more homes starting in early September • 16 homes remain eligible and waiting on homeowner participation • Potentially eligible homeowner outreach will be conducted Q4 2019 •…

Open full document

Upcoming Events

PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]