32A - TTM 2005-11, 2000 E FIRST - Laserfiche WebLink

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A-4. Landslides No Impact The project area is flat without any topographical relief. According to General Plan Land Use Element EIR, there are no landslide planes or slopes within the project area. Therefore, implementation of the proposed project would not result in adverse impacts in regards to landslides. B. Would the project result in substantial soil erosion or the loss of topsoil? Potentially Significant Unless Mitigation Incorporated Erosion refers to the removal of soil from exposed bedrock surfaces by water or wind. The effects of erosion are intensified with an increase in slope, the narrowing of runoff channels and by the removal of groundcover, which leaves the soil exposed. construction operations for the proposed project would require the grading of onsite soils. The uncovered soils on the project site could potentially result in erosion and sedimentation impacts to onsite and off site drainage facilities. This potential impact could increase during periods of rain. To reduce potential erosion impacts to a level considered less than significant, the following mitigation measure shall be implemented. Mitigation Measure . Prior to the issuance of grading permits, the project developer shall show proof of coverage under NPDES General Industrial Activity Storm Water Permit, which includes a copy of the project's permit issued by the State Water Resource Control Board that identifies the permit number. . Prior to the issuance of a grading permit the applicant shall submit for review and approval a surface drainage/grading plan/erosion control plan, prepared by a registered Civil Engineer, showing the direction and means of flow to adjacent streets. The plan is to include existing and proposed elevations at and adjacent to all property lines. Drainage routed to the street must be directed beneath the sidewalk and through the curb. 13 3~~7