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City of Santa Ana Draft Orange County Airport Land Use Commission Overrule Findings <br />Related Bristol Specific Plan Project at 3600 South Bristol Street <br />Pace 4 of 10 <br />minimize potential future noise complaints. <br />The General Plan Update (GPU) in 2022 addresses noise, safety, <br />hazards, and other related impacts from development in the vicinity <br />of the Airport. Projects approved under the GPU would be required <br />to comply with FAA airspace protection regulations using the <br />AELUP consistency determination process. <br />The AELUP establishes aircraft noise exposure exterior noise level <br />compatibility thresholds for new development by land use category. <br />According to the exterior noise thresholds outlined in the AELUP, <br />multi -family residential development is considered normally <br />consistent with exterior noise levels of less than 60 dBA CNEL, <br />conditionally consistent with exterior noise levels between 60 and <br />65 dBA CNEL and normally inconsistent with exterior noise level <br />above 65 Dba cnel. For commercial retail land use, exterior noise <br />levels are considered normally consistent with exterior noise levels <br />of less than 65 dBA CNEL and conditionally consistent with exterior <br />noise level above 65 dBA CNEL. The Project site is located outside <br />of both the airport's planned and actual 60 CNEL contours of JWA. <br />Therefore, according to the AELUP, the Project residential, open <br />space, and commercial retail land uses are normally consistent with <br />JWA aircraft noise exposure exterior noise level compatibility <br />standards. Also, the airport related noise at the Project site does not <br />exceed the City's municipal code permissible noise levels. <br />Additionally, the County's General Aviation Noise Ordinance <br />prohibits commercial aircraft departures between the hours of 10:00 <br />p.m. and 7:00 a.m. and arrivals between the hours of 11:00 p.m. <br />and 7:00 a.m. These restrictions substantially limit the aircraft noise <br />during the noise sensitive nighttime hours for residential use. <br />d. Safety. The residential and commercial land uses under the proposed <br />project are consistent with the safety standards of the AELUP. The Project <br />is not in any of the AELUP safety zones. The Project is located outside of <br />the airport's 60 CNEL contours. Table 1 of the Airport Environs Land Use <br />Plan for JWA shows that residential land uses outside of the 60 CNEL <br />contour are "normally consistent." The Project is located more than 0.29 <br />miles from the outer edge of AELUP Zone 6, Traffic Pattern Zone as <br />depicted in Appendix D. Further, AELUP Appendix D states the "Basic <br />Compatibility Qualities" of Zone 6 as "Allow residential uses" and "Allow <br />most nonresidential uses." <br />Project is not in the JWA runway protection zones (RPZ). The <br />Project is located nearly two miles from the outer edge of the <br />nearest JWA RPZ. <br />Attachment A <br />Exhibit 12 - John Wayne Airport Land Use Commission (ALUC) and California Department of Transportation (Caltrans) Division of Aeronautics <br />Notice of Intent to Overrule and ALUC Response <br />