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. Prior to the issuance of grading permits, the applicant shall prepare a site-specific geotechnical report that addresses seismic constraints, liquefaction potential, soil conditions, project building load requirements and identifies design recommendations to ensure the geotechnical stability of the project. A-4. Landslides No Impact The project area is flat without any topographical relief. According to City's General Plan Land Use Element FEIR 97- 01, there are no landslide planes or slopes on the project site. 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 proj ect site could potentially result in erosion and sedimentation impacts to onsite and offsite 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 would be implemented. Mitigation Measure . Prior to issuance of a grading permit the project applicant shall submit for review and approval a surface drainage/grading/erosion control plan prepared by a registered Civil Engineer, showing the direction and means of flow to the adjacent street. The plan is to include existing and proposed elevations at and adjacent to all property lines. Drainage routed to the 12 758-27