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395 Wind and water erosion of soils in the project site would increase during the construction period. Finding ' Finding 1: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect identified in the final EIR. Facts in Support of Finding An erosion control program shall be prepared and implemented in accordance with the City of Santa )a~a Grading Ordinance and shall incorporate measures to control erosion and sedimentation effects. The significant effect has been eliminated or substantially lessened to a level less than significant by virtue of project design considerations and the mitigation measures identified in the Final EIR and incorporated into the project. These measures are as tk)llows: A complete erosion study shall be prepared by the project applicant prior to the start of any grading activities to minimize thc erosion potential created during development, and grading operations shall be in conformance with all City of Santa Ann ordinances pertaining to grading. Possible water erosion during construction shall be mitigated by the iustallation of temporary erosion control devices, as required by the State Regional Water Quality Control Board. Utilization of desiltation devices such as sandbags in areas that may discharge into city streets shall be implemented prior to the commencement of grading activities. The grading plan shall include a description of haul routes, access points to the site, and a watering and sweeping program designed to minimize impacts of haul operations. I~DROLOGY Significant Effect Further development of the site will alter runoff volumes, absorption rates, and drainage patterns of the site; runoff would increase due to increased area of impermeable surface. J B 1/08850001.SO F 7