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Mitigation Measure 4.7-2: To minimize the number of residents exposed to temporary increases in truck traffic noise, construction-related trucks shall be required to use Independence Drive to Bernal Avenue to access Sunol Boulevard and the 1-680 freeway. In addition, haul and delivery truck operations shall be limited to the daytime weekday hours(8:00 a.m. to 5:00 p.m.)to minimize noise disturbance. Significant Impact Impact 4.7-4: Operation of proposed residences would result in noise increases from residential activities on-site as well as project-related traffic increases on local residential streets. Finding Changes or alterations have been required in, or incorporated into, the project which mitigate or avoid the significant effects on the environment. Facts in Support of Finding The City of Pleasanton has adopted the following measures which will reduce potential operational traffic noise impacts to a less-than-significant level: Mitigation Measure 4.7-4: The City shall require the project applicant to reduce the project's estimated 5.6 dBA increase on Lund Ranch Road to 4 dBA or less. Such a reduction could be achieved by: (a) reducing the number of residential units using Lund Ranch Road in order to sufficiently reduce noise generated by project related traffic volumes; and/or (b) by resurfacing Lund Ranch Road (Independence Drive to project site boundary) and Independence Drive (from Lund Ranch Road to Hopkins Way) with noise attenuating asphalt. If an updated noise analysis, prepared to the satisfaction of the Director of Community Development based on the Project's circulation system approved by the City, demonstrates that the noise increases to Lund Ranch Road, Independence Drive, and all neighborhood streets would be less than 4 dBA, the street resurfacing requirement would no longer apply. AIR QUALITY(SECTION 4.8) Significant Impact Impact 4.8-1: Construction activities associated with proposed construction would generate short-term emissions of criteria pollutants, including suspended and inhalable particulate matter and equipment exhaust emissions. Finding Changes or alterations have been required in, or incorporated into, the project which mitigate or avoid the significant effects on the environment. Facts in Support of Finding The City of Pleasanton has adopted the following measures which will reduce potential construction period air quality impacts to a less-than-significant level: Mitigation Measure 4.8-1: To limit the project's construction-related dust and criteria pollutant emissions, the following BAAQMD-recommended Basic Construction Mitigation Measures shall be included in the contractor specifications for the proposed project: a. All exposed surfaces (e.g., parking areas, staging areas, soil piles, graded areas, and unpaved access roads) shall be watered two times per day. b. All haul trucks transporting soil, sand, or other loose material off-site shall be covered. LUND RANCH 11(PUD-25)RESIDENTIAL PROJECT 16 FINDINGS