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City of San Leandro <br />2824 Halcyon Drive Residential Project <br /> <br />84 <br />Regulatory Setting <br />City of San Leandro 2035 General Plan <br />Action EH-7.1.A: Review of Future Development Proposals <br />On an on-going basis, review future development proposals for compliance with the <br />General Plan Noise and Land Use Compatibility standards in Chart 7-2. Require acoustical <br />studies for projects that are likely to be exposed to noise levels that exceed the “normally <br />acceptable” standard and for projects that are likely to generate noise in excess of these <br />standards. Impose mitigation measures based on the findings. Noise studies should consider <br />the effects of significant short-term noise sources (such as passing trains or planes) as well <br />as the average noise levels that may be experienced over a 24- hour period. <br />Policy EH-7.2: Residential Interior Noise Standard <br />As required by the State of California, ensure that interior noise levels in new residential <br />construction do not exceed 45 dB Ldn. For non-residential construction, the acceptable interior <br />noise levels should be determined on a case by case basis, depending on the type of activity <br />proposed. <br />Policy EH-7.3: Residential Exterior Noise Standard <br />Strive to maintain an exterior noise level of no more than 60 dB Ldn in residential areas. <br />Recognizing that some San Leandro neighborhoods already exceed this noise level, encourage a <br />variety of noise abatement measures that benefit these areas. <br />Policy EH-7.4: Degradation of Ambient Noise Levels <br />If a neighborhood is well within acceptable noise standards, do not automatically allow noise <br />levels to degrade to the maximum tolerable levels shown in Chart 7-2. A project’s noise impacts <br />should be evaluated based on the potential for adverse community response, as well as its <br />conformance to the adopted standards. For CEQA purposes, an increase of 3 dB Ldn should <br />generally be considered a significant adverse impact. <br />Policy EH-7.6: Minimizing Noise in New Housing Areas <br />In the event that new housing is constructed in areas that exceed normally acceptable noise <br />levels, require project design and construction measures that minimize noise intrusion. <br />Policy EH-7.9: Vibration Impacts <br />Limit the potential for vibration impacts from construction and ongoing operations to disturb <br />sensitive uses such as housing and schools. <br />Action EH-7.9.A: Vibration Impacts <br />Adopt Standard Conditions of Approval or Construction Development Standards to reduce <br />the potential for vibration-related construction impacts for development projects near <br />sensitive uses. Vibration impacts shall be considered as part of the project-level <br />environmental evaluation and approval process for individual development proposals. <br />San Leandro Municipal Code <br />SLMC Section 4.1.1115(b) prohibits construction-related activity near residential uses except <br />between the hours of 7:00 a.m. and 7:00 p.m. on weekdays, or between 8:00 a.m. and 7:00 p.m. on <br />Sunday and Saturday.