7a supp
Item No. 7a_Supp Date of Meeting: October 26, 2010 Part 150 Noise Study Update Stan Shepherd, Manager, Airport Noise Programs Marco Milanese Community Relations Manager Community Outreach 2 out of 6 planned Public Workshops Next Workshop scheduled October 27th Ongoing briefings and discussions at the Highline Forum 3 Technical Review Committee Meetings Briefings to several elected officials Special public meeting on noise metrics Open invitation to attend community and city councils meetings Extended outreach to limited English speaking community Temporary Noise Monitoring 11 temporary sites measured June 28 July 9 Gather technical data to verify the modeling Requests by the public for areas not already covered by one of the 25 permanent sites Two additional sites on Vashon Island monitored Sept 16 -22 Permanent 1 Monitors Supplemental A Measurements Air Traffic Forecast TAF vs. P150 forecast 363,860 419,860 Average Annual Increase = 2.3% TAF = FAA Terminal Area Forecast 2009 Baseline vs 2016 DNL Contours 65 DNL 2009 Actual 2009 - Actual 65 DNL Contour 6.29 square miles Noise Contour 2009 - 3 runway 65 DNL Contour 5.99 square miles 2009 3 Runway 2016 - Forecasted Contour 6.51 square miles Noise Contour 2016 Baseline Noise Contour Noise Remedy Boundary N 5 Runway Use Plan - Letter of Agreement between the Port and the FAA - Goal is to clearly state how and under what conditions the runways are expected to be used - Identify conditions that allow for reduced operations on new 3rd runway - Acknowledges that weather, and operational conditions may require deviations from the plan Next Steps Beginning hush house feasibility / siting study Compatible land use analysis Review mitigation alternatives Review of noise abatement procedures Possible improvements to the Fly Quiet Program Evaluate flight tracking and noise monitoring system Prepare 10 year forecasted contour __________________ Developing a long range contour for the year 2030 This will not be an official element of the Part 150
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