Highline Forum 190731 Sound mitigation briefing presentation

• Code of Federal Regulations 14 (CFR14) Part 150 – FAA established guidelines • Voluntary program • Airports must follow to get federal grants for mitigation projects • The focus of Part 150 is to address noise and land use incompatibilities • Educate the public about the airport • FAA Approved mitigation measures become eligible for AIP funding at 80% Part 150 is an airport noise and land use planning tool Sea-Tac Part 150 • Original program began in 1985 • Completed 3 updates • Last update completed in 2014 • Extensive public involvement • Public workshops • Highline Forum updates • City council presentations • Commission updates • Technical Review Committee Sea-Tac airport has been mitigating for more than 30 years DNL Noise Contour • Day Night Level (DNL) – Annual cumulative average of noise emitted from aircraft operating at Sea-Tac airport • 10 dB penalty for aircraft operating between 10pm and 7am • Contours MUST be developed using the FAA Airport Environmental Design Tool (AEDT) • The FAA will not allow airports to use noise monitoring recorded decibel levels for production of DNL contours • Contours must be submitted to and approved by the FAA • The 65 DNL Contour is the basis for land use analysis in the Part 150 DNL contours are an annual cumulative depiction of aircraft noise Noise Remedy Boundary 2018 Forecasted 65 DNL Contour FAA funds mitigation within the boundary Part 150 Land Use Planning • Identify noise incompatibilities within surrounding communities •…

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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 [...]