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DRAIN1a.xlS(NCSL(30%Design) (S) <br />a <br />DATE: 18 Jul 07 <br />DATE: <br />DRAINAGE FACILITIES <br />4.73 <br />7.3 <br />3.6 <br />Downdrain - DD3 <br />LF Bench w! Ommege Ditch <br />7.3 <br />18- CMP Downdrahi <br />DRAINAGE CALCULATIONS <br />4.73 <br />9.8 <br />PROJECT TITLE North County <br />Landfill <br />REFERENCE DRAWING: <br />RETURN PERIOD: 700- r <br />__. L <br />17.1 <br />CALCULATIONS BY: ESA <br />PROJECT NUMBER: <br />118040!01000000 <br />4.73 <br />11.4 <br />CHECKED BY; <br />DESCRIPTION OF WORK: DrainaQe Calculations (30% De <br />ion) South Perimeter Ditch <br />29.5 <br />24' CMP Downdrain <br />4.67 <br />DESIGN DRAINAGE .RUNOFF <br />POINT LD'Y AREA (JEFF. <br />C <br />C.A SUM (A) COMP. <br />COEFF. <br />C <br />OVERLAND <br />LENGTH SLOPE <br />L <br />LENGTH <br />L <br />GUTTER/CHANNEUCONDUIT TRAVEL TIME <br />SLOPE MANNING HYDR. VELOCITY OVERLAN GUTTER <br />n RADIUS V Ti CHANNEL <br />RAINFALL DISCHARGE <br />TIMEOF TOTAL INTENSITY SUBAREA TOTAL <br />CONC. Tc i Qa Ol <br />30' CMP Oowndmin <br />CONDUIT <br />Tc <br />(Meg) <br />(acres) (acres) <br />(feet) (tuft) <br />(feet) <br />(tuft) (feet) ((Uxec) (min.) <br />Tp <br />(min.) <br />(min.) (min.) (inlhor) (cls) <br />DRAIN1a.xlS(NCSL(30%Design) (S) <br />a <br />DATE: 18 Jul 07 <br />DATE: <br />DRAINAGE FACILITIES <br />4.73 <br />7.3 <br />3.6 <br />Downdrain - DD3 <br />LF Bench w! Ommege Ditch <br />7.3 <br />18- CMP Downdrahi <br />4.73 <br />9.8 <br />4.9 <br />LF Bench w/ Oainegs Ditch <br />17.1 <br />24' CMP Do -d_ <br />4.73 <br />11.4 <br />5.7 <br />LF Bench w/ Dminage Ditch <br />29.5 <br />24' CMP Downdrain <br />4.67 <br />10.3 <br />5.2 <br />Perimeter Bench w/-Drairmge Ditch <br />381 <br />30' CMP Oowndmin <br />3.56 <br />89 <br />Pedmeter shares lbw <br />45.8 <br />Combined D <br />Downdrain - DD3 <br />4.73 <br />7.3 <br />3.6 <br />LF Bench w/ Dminaga Ditch <br />7.3 <br />18' CMP Downdmin <br />4.73 <br />99 <br />4.9 <br />LF Bench wf Dralnege Dilch <br />17.1 <br />24' CMP Downdmin <br />4.73 <br />11.4 <br />5.7 <br />LF Bench w/ Ominage Ditch <br />26.5 <br />24' CMP Downdmin <br />4.67 <br />10.3 <br />52 <br />Perimeter Bench w! Drainage Ditch <br />38.2 <br />30' CMP Dov+ndram <br />El <br />=ME <br />DRAIN1a.xlS(NCSL(30%Design) (S) <br />a <br />DATE: 18 Jul 07 <br />DATE: <br />DRAINAGE FACILITIES <br />4.73 <br />7.3 <br />3.6 <br />Downdrain - DD3 <br />LF Bench w! Ommege Ditch <br />7.3 <br />18- CMP Downdrahi <br />4.73 <br />9.8 <br />4.9 <br />LF Bench w/ Oainegs Ditch <br />17.1 <br />24' CMP Do -d_ <br />4.73 <br />11.4 <br />5.7 <br />LF Bench w/ Dminage Ditch <br />29.5 <br />24' CMP Downdrain <br />4.67 <br />10.3 <br />5.2 <br />Perimeter Bench w/-Drairmge Ditch <br />381 <br />30' CMP Oowndmin <br />3.56 <br />89 <br />Pedmeter shares lbw <br />45.8 <br />Combined D <br />Downdrain - DD3 <br />4.73 <br />7.3 <br />3.6 <br />LF Bench w/ Dminaga Ditch <br />7.3 <br />18' CMP Downdmin <br />4.73 <br />99 <br />4.9 <br />LF Bench wf Dralnege Dilch <br />17.1 <br />24' CMP Downdmin <br />4.73 <br />11.4 <br />5.7 <br />LF Bench w/ Ominage Ditch <br />26.5 <br />24' CMP Downdmin <br />4.67 <br />10.3 <br />52 <br />Perimeter Bench w! Drainage Ditch <br />38.2 <br />30' CMP Dov+ndram <br />1 <br />