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RA-315 <br />Finding: The mitigation measure identified above is feasible and would <br />reduce the potentially significant environmental impact described above to a less -than- <br />significant level. <br />The mitigation measure identified above would reduce the potentially <br />significant environmental impact described above to a less- than - significant level by <br />ensuring that the Project site is monitored by qualified personnel to identify, evaluate, <br />and conserve any cultural resources found during excavation activities. <br />XI. GEOLOGY AND SOILS <br />A. Soil Erosion <br />Potential Impact: Some localized soil erosion could occur during <br />construction of the project. The eroded materials could reach Redwood Creek, which <br />ultimately flows to San Francisco Bay, and thus, could result in storm water pollution. <br />(Potentially Significant) <br />Mitigation: The following mitigation measure, as set forth in the Initial <br />Study and the FEIR, is hereby adopted and will be implemented as provided in the <br />Mitigation Monitoring Program: <br />Soil Erosion Control. The project sponsor shall implement the following <br />BMPs, or similar measures, to reduce the potential soil erosion impacts to a less -than- <br />significant level: <br />• Train contractors, subcontractors, and construction employees <br />about the possible best management practices. Inform contractors <br />and subcontractors about the new storm water requirements and <br />their responsibilities. <br />• Schedule excavation and grading activities for dry weather periods <br />as much as possible. Plant temporary vegetation or place other <br />erosion controls before rain begins. <br />• Place silt fences, hay bales, or other erosion controls around <br />graded areas to minimize off -site sediment transport in storm water. <br />Locate and protect storm drains in the vicinity of the site with berms <br />or filters during wet weather periods. <br />• Control the amount of runoff crossing the site (especially during <br />excavation) by using berms or temporary or permanent drainage <br />ditches to divert water flow around the site. Reduce storm water <br />runoff velocities by constructing temporary check dams or berms <br />where appropriate. <br />24 <br />