BAC SP FAA Noise Screening Assessments Order 1050 20180613 0001

FAA Lines of Business and Managers with NEPA Responsibilities Katherine And:rus, Manager, Environmental Policy and Operations, Office of Environment and Energy (AEE-400) Subject : Noise Screening Assessments This Memorandum clarifies existing FAA policy and guidance on noise screening assessments and the appropriate use of noise screening tools and methodologies. This memorandum does not introduce new policy or impose any additional requirements for noise analyses. Current Guidance FAA actions subject to the National Environmental Policy Act (NEP A) must be analyzed consistent with the policies and procedures set forth in FAA Order 1050. IF, which establishes a threshold of significance for noise impacts.1 Appendix B of Order 1050. IF provides detailed guidance on analyzing noise impacts under NEPA and Section 4(f) of the Department of Transportation Act, including procedures for seeking approval to use an alternative noise model or method, or to modify standard or default data. Additional guidance, including a list of available noise screening tools and methods, is in the 1050.IF Desk Reference. The threshold of significance for most situations is an increase of DNLI.5 dB or more for a noise sensitive area that is exposed to noise at or above the DNL 65 dB noise exposure level, or that will be exposed at or above the DNL 65 dB level due to a DNL 1.5 dB or greater increase. Order 1050. IF notes that special consideration needs to be given to the evaluation of the significance of noise impacts on noise sensitive areas within Section 4(f) properties (including,…

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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 [...]