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CITY OF EVERETT PUdLIC WORKS <br /> DRAINAGE CALCULATION SL�MISSION FORM <br /> Date A1ay 19, 1999 � <br /> Project Name: Rodgers Electric Building <br /> Project Location: 3826 9rith Street, &erett, {9A 36201 <br /> Subrnitted By: Botesch, Nash & Hall Architects, P.S. <br /> Drainace Basin• Combined Sewer, Outside Downtown <br /> Pre-Deve1_opment Desian Storm (yr) : 10 <br /> Post-Development Desion Storm (yr): 10 <br /> Area of Site (ac): •21 <br /> Existing Slope of Site (%): 5 <br /> Existing Ground Ccver <br /> Woods/Porest (ac): ' <br /> Lawns/Landscaping (ac : - <br /> Earth/Gravel (ac) : - <br /> Impervious (ac): - <br /> Existina Run-Off (c°s) : .41 <br /> per acre <br /> Proposed Ground Cover <br /> Lawns/landscaping (ac) : .02 <br /> Earth/Gravel (ac) : <br /> Impervious (ac): .19 <br /> Detention Storage P,equired (cf/ac) <br /> Lawns/Landscaping (cf/ac) : N/A <br /> Earth/Gravel (cf/ac): - <br /> Impervious (cf/ac) : 432 <br /> Tot21 Detention Stor2ae ReauireC <br /> Lawns/l.andscaoina (cf) : � <br /> E=_rth/Gr2ve1 (cf): - <br /> =meervious icf) : 2 <br /> Tccal Sbrace RecuireC (ci : 82 <br /> �.. • <br /> �ui6 H <br /> ��� � <br /> `� <br />