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20142021 SANTA ANA HOUSING ELEMENT AND PUBLIC SAFETY ELEMENT UPDATES <br />CITY OF SANTA ANA <br />3. Environmental Analysis <br />3.12 NOISE <br />a) Exposure of persons to or generation of noise levels in excess of standards established in the <br />local general plan or noise ordinance, or applicable standards of other agencies? <br />Less Than Significant Impact. The Housing Element designates adequate sites for potential future <br />development that could accommodate any unmet portion of the RHNA through 2021. Future construction <br />and operation activities would increase noise levels throughout the City. However, future development would <br />be subject to project- specific CEQA review and also required to comply with City, federal, and state <br />guidelines on vehicle noise, roadway construction, occupational noise and noise abatement, and insulation <br />standards. Impacts regarding noise due to the adoption of the Housing Element would be less than <br />significant. <br />b) Exposure of persons to or generation of excessive groundborne vibration or groundborne noise <br />levels? <br />Less Than Significant Impact. It is possible that groundborne vibration or groundborne noise would <br />occur during the construction phase of future development projects anticipated by the Housing Element <br />Update. Although groundborne vibration and groundborne noise are common results of the construction <br />phase, each development would be subject to CEQA review and consideration of potential groundborne <br />vibration and groundborne noise impacts. hnpacts regarding noise due to the adoption of the Housing <br />Element would be less than significant. <br />c) A substantial permanent increase in ambient noise levels in the project vicinity above levels <br />existing without the project? <br />Less Than Significant Impact. The Housing Element designates adequate sites for potential future <br />development that could accommodate any unmet portion of the RHNA through 2021. Traffic related to the <br />future developments could result in long -term increases in ambient noise levels. However, depending on the <br />size of each development, this increase may be noticeable for some people but may not significantly impact <br />surrounding sensitive uses and may not generate a substantial increase in ambient noise levels. Future <br />development would be subject to CEQA review and consideration of potential noise impacts. Therefore, the <br />impacts regarding noise due to the adoption of the I Iousing Element would be less than significant. <br />d) A substantial temporary or periodic increase in ambient noise levels in the project vicinity above <br />levels existing without the project? <br />Less Than Significant Impact. See response to Section 3.12(c), above. <br />e) For a project located within an airport land use plan or, where such a plan has not been adopted, <br />within two miles of a public airport or public use airport, would the project expose people <br />residing or working in the project area to excessive noise levels? <br />Less Than Significant Impact. The John Wayne Airport is approximately one mile southeast of Santa Ana. <br />The southern area of Santa Ana is located in the AELUP boundary (ALUC 2013). There may be a potential <br />Page 60 • The Plannitg Center l DC&F- December 2013 <br />75A -82 <br />