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M m <br /> D Table 2-2 <br /> Summary of Impacts and Mitigation Measures <br /> CD <br /> W Significance Significance <br /> 3 Impacts Before Mitigation Measures After <br /> Mitigation Mitigation <br /> any construction activity on any site that will include 10 <br /> acres or more of disturbed surface area for residential <br /> developments,or 5 acres or more of disturbed surface area <br /> for nonresidential development,or will include moving, <br /> depositing,or relocating more than 2,500 cubic yards per <br /> day of bulk materials on at least three days. Construction <br /> activities shall not commence until the APCO has approved <br /> or conditionally approved the Dust Control Plan.An <br /> owner/operator shall provide written notification to the <br /> APCO within 10 days prior to the commencement of <br /> earthmoving activities via fax or mail.The requirement to <br /> submit a dust control plan shall apply to all such activities <br /> conducted for residential and nonresidential(e.g., <br /> commercial,industrial,or institutional)purposes or <br /> IP conducted by any governmental entity. <br /> C. The City of Manteca will ensure that the following SJVAPCD- <br /> recommended additional control measures will be implemented <br /> by the proposed project during construction to further reduce <br /> fugitive PMIO and PM2.5 dust emissions. <br /> v1. Install sandbags or other erosion control measures to prevent <br /> m silt runoff to public roadways from adjacent project areas <br /> with a slope greater than I%. <br /> 2. Suspend excavation and grading activity when winds exceed <br /> T 20 mph. <br /> v <br /> 3. Limit area subject to excavation,grading,and other <br /> o construction activity at any one time. <br /> CD <br /> D. The City of Manteca will ensure that the following SJVAPCD- <br /> recommended additional control measures will be implemented <br /> by the proposed project during construction to further reduce <br /> construction equipment exhaust emissions. <br /> 1. Minimize idling time(e.g., 10-minute maximum). <br /> 2. Replace fossil-fueled equipment with electrically driven <br /> v equivalents(provided they are not run via a portable <br /> v generator set).This measure would be particularly <br /> M m applicable to the utilization of signal boards. <br /> v �u <br /> LTS=Less than Significant S=Significant PS=Potentially Significant SU=Significant and Unavoidable <br />