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SAN LEANDRO SHORELINE DEVELOPMENT EIR ADDENDUM PROJECT CITY OF SAN LEANDRO Page 48 PlaceWorks c) For a project located within the vicinity of a private airstrip or an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project expose people residing or working in the project area to excessive noise levels? d) For a project within the vicinity of a private airstrip, would the project expose people residing or working in the project area to excessive noise levels? Comments: NOISE-a. Construction Equipment The Certified EIR for the Original Project identified a significant impact related to construction noise. However, this impact was reduced to less than significant with implementation of Mitigation Measure NOISE-4 from the Certified EIR. Construction of the individual components of the Approved Project were found to temporarily increase the ambient noise environment in the vicinity of each individual site and, because activities associated with any individual development may occur near noise-sensitive receptors, and depending on the project type, noise may occur for prolonged periods of time. The Modified Project would not introduce substantially louder or different equipment than for the Approved Project, and the duration of the construction would remain approximately the same (four years). Furthermore, Mitigation Measures NOISE-1A and NOISE-1B, which include measures to avoid exceeding noise standards established in the General Plan and/or the applicable standards of other agencies, and Mitigation Measure NOISE-4, which includes measures to avoid substantial temporary or periodic increases in ambient noise levels in the vicinity of the project site above existing levels, would be required for the Modified Project. Therefore, no changes or new information would result in new impacts or a substantial increase in magnitude of the Approved Project’s impacts to noise from construction equipment in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies. The Modified Project would be required to comply with the City’s Municipal Code restrictions for construction activities outside 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 Sunday and Saturday. Construction Vehicles The Certified EIR for the Original Project did not identify any significant impacts associated with temporary construction-related trips. Under the Original Project a total of 825 haul trips due to demolition was estimated. The Approved Project includes an additional 30,501 haul trips for the import of soil and additional demolition activities, as described in the First Addendum. With implementation of a phasing plan described in the First Addendum, construction of the Approved Project was found not to result in a new impact or a substantial increase in magnitude of the existing impacts associated with construction haul trips in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies. The incremental changes under the Modified Project of a reduction in building area of 1,100 square feet, increased height and the addition of 6 townhouse units would not require additional grading or increase the footprint of the existing building, would also not result in a new impact or a substantial increase in magnitude of existing construction-period noise impacts.