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4,>i <br />sijeosiKfl scfli ycsKS qrcno -acility <br />Qrono, Xinnesorta <br />ll-flor-33 <br />5310 - 6 <br />SISTiNB SITE - EAST CF C.H. 15 - TOTALLY UNCEVELCPED <br />Total Area lAe): 1.3 Acres <br />Brass Area : 1.8 Acres <br />Marcsurface Area j 0 Acres <br />Ccefficiern of Runoff <Ce): 0.20 <br />exhibit ^ <br />ARCP^JSED SITE - INCaffiES EXISTINS PARKINS t PROPOSED <br />Total Area (Ap): <br />Orass Area j <br />Harcsurface Area * <br />Cc«ff:c:errt of Runoff iCa): <br />Critical Tiae of Concentration : <br />Rainfall Intensities i <br />1.8 Acres <br />0.7 Acres <br />0.S Acres <br />0.53 <br />12 Minutes <br />1 YRlIl) <br />2.9 In/Hr <br />Existing RunofflOe) * CexIxAe 1.04 CF3 <br />Proaoseb Runoff(Qo) « CcxIxAa 2.76 CrS <br />Runoff increase(Ri) * Qd - Qe 1.71 CfS <br />Required Storage « Rixl2Minxb0 1232 <br />Site Pend Storace Reouireo » 3228 C? <br />Allcutaole Runoff rrca Site : 2.74 CrS <br />5 YRCS) <br />4.5 In/Hr <br />1.62 CrS <br />4.23 CrS <br />2.66 CFS <br />1912 CF <br />10 YR{I10) <br />5.2 In/Hr <br />1.87 CFS <br />4.94 CFS <br />3. 07 CFS <br />2209 CF <br />See Ponding Area Calculation Sheet <br />Includes Pond Outlet ♦ Direct Runoff <br />100 YR(I100) <br />7.6 In/Hr <br />2.74 CFS <br />7.22 CFS <br />4.48 CFS <br />5228 CF <br />AREA NOT DRAININ8 TO PGlu) <br />Total Area <Aoa)i <br />Grass Area i <br />Hardsurface Area : <br />Coefficient of Runoff (Cp); <br />Critical Tice of Conceritration : <br />Rainfall Intensities ; <br />?rot»sed RunoffICoa) * CtnIxAoa <br />Alldtable Pond Outlet » Qe - Qoa <br />0.8 Acres <br />0.8 Acres <br />0 Acres <br />0.20 <br />12 Minutes <br />1 YSai) <br />2.9 In/Hr <br />0.46 CFS <br />0.58 CFS <br />5 YR(I5) <br />4.5 In/Hr <br />3.72 CFS <br />0.9 C.^ <br />10 YR(I10) <br />5.2 In/Hr <br />0.83 CFS <br />1.04 CrS <br />Maxiaua Pend Cutlet During 100 YR Store <br />AREA DRAINING TO PC18) <br />1.5 CFS Size Pond Accorcinaly <br />Total Area (A): <br />Srass Area : <br />iwosurface Area i <br />Coefficient of Runoff (C)» <br />Critical Tine of Concentration i <br />Rainfall Intensities t <br />1 Acres <br />8.3 Acres <br />0.7 Acres <br />0.62 <br />12 Minutes <br />I YR(il) <br />2.9 In/Hr <br />100 YR<I100) <br />7.6 in/Hr <br />1.22 CFS <br />1.52 CFS <br />Prooosed Runoff 9 * CxIxA 1.80 CFS <br />5 YR(I5) 10 YR(I10) <br />4.5 in/Hr 3.2 in/Hr <br />2.73 CFS 3.22 C** <br />The orcoosed parking area runoff ejll be directed to the concina bas;n overland or tnrouen <br />store crain. <br />The subeerged outlet to the aasin will arovice for SHtming of oils arc floataaie ceons. <br />100 YR(I100) <br />7.6 In/Hr <br />.assxusn'ss ss <br />4.71 CFS <br />the