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DATE: 1 ul07 <br />DATE: <br />DRAINAGE FACIUTIE <br />4.67 6.1 Subarea C <br />443 Comb -d <br />3.81 5.6 subacaa a <br />48A Combined t <br />94.8 Cortluerxs, <br />DRAINI a.xls/NCSL(30%Design) (S) <br />2 <br />DRAINAGE CALCULATIONS <br />■�e��o��■����imam <br />PROJECT TITLE North County <br />Landfill <br />REFERENCE DRAWING: <br />RETURN PERIOD: 100100- <br />yr <br />CALCULATIONS BY: ESA <br />PROJECT NUMBER: <br />118040/01000000 <br />CHECKED BY: <br />DESCRIPTION OF WORK: Drainage Calculations (30% Design South <br />Perimeter Ditch <br />DESIGN DRAINAGE RUNOFF <br />CxA SUM (A) COMP. <br />OVERLAND <br />GUTTERICHANNEUCONDUIT <br />POINT IA.N AREA COEFF. <br />COEFF. <br />LENGTH SLOPELENGTH <br />TRAVEL <br />SLOPE MANNING <br />TIME <br />RAINFALL DISCHARGE <br />HPDR. VELOCITY OVERLAN <br />GUTTER <br />TdME OF TOTAL INTENSITY SUBAREA TOTAL <br />C <br />C <br />L L <br />n RADIUS V TI <br />CHANNEL <br />CONC. Tc i Oa O1 <br />CONDUIT <br />Tc <br />(aipea) <br />� <br />(apes) (acres) <br />(fast) Min) I (feet) <br />("t) (feet) (67eec) (min.)_ <br />TP <br />(min-) <br />(min.) (min.) (Whour) (ctsl <br />DATE: 1 ul07 <br />DATE: <br />DRAINAGE FACIUTIE <br />4.67 6.1 Subarea C <br />443 Comb -d <br />3.81 5.6 subacaa a <br />48A Combined t <br />94.8 Cortluerxs, <br />DRAINI a.xls/NCSL(30%Design) (S) <br />2 <br />■�e��o��■����imam <br />DATE: 1 ul07 <br />DATE: <br />DRAINAGE FACIUTIE <br />4.67 6.1 Subarea C <br />443 Comb -d <br />3.81 5.6 subacaa a <br />48A Combined t <br />94.8 Cortluerxs, <br />DRAINI a.xls/NCSL(30%Design) (S) <br />2 <br />