BAC SP Burien Questions To Pos On SAMP 0001

Detailed Responses to City of Burien Questions 1. Question: “Why have there been no studies evaluating increases in aircraft noise on ALL runways since the 2002-2007 Part 150 Study? (The 2013-2018 Part 150 Study evaluated only the third runway.) FAA guidance calls for new noise analyses whenever there is an increase of n'oise oj at least 1.5 dB DNL. The communities believe that there have been increases of at least 1.5 dB DNL given the rapid growth in aircraft operations since 2002. Can you show us any evidence that this is not the case?” The 2014 Part 150 update assessed noise impacts from all three runways and showed a smaller impacted Area; the SAMP Environmental Review will also evaluate noise from all three runways. + The 2013-2018 Part 150 Update, completed in 2014, did in fact include traffic on all three runways and all flight traffic- We believe that the misperception that the study only included the third runway stems from the fact that we scheduled the Part 150 update in order to ensure that all operations were included so as to maxirnize the accuracy of the study – inc tucling but not bm}ted to third runway use The Federal Aviation Administration (FAA) requires airports to model noise exposure using the Day Night Level (DNL) metric; the FAA finds a level higher than 65 DNL incompatible with unmitigated residential uses. With the inclusion of Third Runway operations, the 2014 Part 150 update showed a smaller existing geographic area that was…

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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 [...]