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2 . Department of Public Works, Public Services Division : a. Retention pond shall be lined to prevent leaking of con- taminates into groundwater strata. b. Applicant shall provide funding to appropriate agencies to upgrade existing roadway intersections of Austin and Mariposa Roads ; including, but not limited to, widening Mariposa Road to provide adequate and safe turn lanes, caution signals and improved shoulders. C. Weber Slough Channel through property and for one mile downstream will be maintained to insure proper flow capacities for both summer and winter run-offs . This is to insure the prevention of on-site flooding and possi- ble stream contamination. d. Retention ponds will be constructed to prevent access to water fowl. Covering or other mechanical deterrent shall be included in development plan. e. Separate ponding facilities will be constructed and maintained to store run-off water and contaminated water . f . The waste oil recovery area shall have a liquid collec- tion and disposal system separate from the on-site water collection system. ( EIR ) g. The waste oil recovery area shall be lined with a syn- thetic liner and constructed of concrete . This area shall be surrounded by a two-foot-high concrete berm, o a berm of sufficient height to provide secondary con- tainment for a volume of liquid 150 percent of the capacity of the largest storage tank plus the 24-hour storm water of a 100-year storm. (EIR) h . The waste oil recovery concrete pad shall be designed so that the pad is 1 -foot above the 100-year flood level. ( EIR ) i . The design of the concrete berm for the waste oil recov- ery area shall be analyzed by the Department of Public Works to ensure its ability to resist damage from the hydrodynamic and hydrostatic forces associated with a 100-year flood. (EIR) 9. 2. 02. 25B - 2 - 6/12/8