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�. <br />Date 3/2/94 <br />CTTY OF EVEREI'7 PUBLIC WORKS <br />DRAINAGE CALCULATION SU6MISSION FORM <br />Project Name: TACO BELL � <br />PrOjeCt Location: NWC INTERSECTION EVERGREEN WAY & 75TH STREET <br />Submitted By: _ BARGHAUSEN CQNSULTING ENGINEERSz INC. <br />Drainage Basin: 0.6o ncREs <br />Pre-Development Design 5torra (yr): l0 <br />Post-�evelopment Design Stonn (yr): ZS <br />.trea of Site (ac): 0.60 <br />Existing Slope of Site (%): 2.5± <br />Existing Ground Covez� <br />! Woods/Forest (ac): <br />Lawns/Landscaping (ac : <br />Earth/Gravel (ac): 0.46�'�' <br />Impervious (ac): o.i4 <br />Existing Run-OPf (cfs): 0.56 <br />per acre <br />Proposed Ground Cover <br />Lawns/Landscaping (ac): o.i5 <br />Earth/Gravel (ac): <br />Tmpervious (ac): 0.45 <br />Oetention Storage.Required (cf/ac) <br />Lawns/Landscaping (cf/ac): � <br />Earth/Gravel (cP/ac): <br />Imperviaus (cf/ac): lloz �.r� <br />Total�Detention Storage Required <br />Lawns/Landscaping (cf): � <br />Earth/Gravel (cf): <br />, Impervious (cf); 9a <br />l Total Storage Requ red c: 498 <br />