Laserfiche WebLink
/j <br /> PROJECT: 19TH AVE SITE <br /> DRAINAGE BASIN LANDCOVER AND DISCHARGE DATA <br /> Record Id:DEV <br /> Design Method SBUH Rainfall type TYPEIA <br /> Hyd Intv 10.00 min Peaking Factor 484.00 <br /> Abstraction Coeff 0.20 <br /> Pervious Area 0.08 ac DCIA 0.87 ac <br /> Pervious CN 86.00 DC CN 98.00 <br /> Pervious TC I 6.30 min DC TC 6.30 min <br /> Pervious CN Calc <br /> Description SubArea Sub cn <br /> Open spaces,lawns,parks(<50%grass) I 0.08 ac 86.00 I <br /> Pervious Composited CN(AMC 2) 86.00 <br /> Pervious TC Calc <br /> Type Description Length I Slope Coeff [ Misc TT <br /> Fixed [landscape _ 1 6.30 min <br /> Pervious TC I 6.30 min <br /> Directly Connected CN Calc <br /> Description SubArea I Sub cn <br /> Impervious(roof,paving) 0.87 ac 98.00 <br /> DC Composited CN(AMC 2) ' 98.00 <br /> Directly Connected TC Calc <br /> Type Description Length Slope Coeff 1 Misc I TT <br /> Fixed 'Paving,roof 6.30 min <br /> Directly Connected TC 6.30min <br /> DEV Event Summary <br /> Event Peak Q(cfs) Peak T(hrs) Hyd Vol(acft) Area(ac) Method Raintype <br /> WQ 0.2003 8.00 0.0675 0.9500 SBUH TYPE1A <br /> 2 year 0.2958 8.00 0.0999 0.9500 SBUH TYPE1A <br /> 10 year 0.4516 ' 8.00 r 0.1536 0.9500 SBUH TYPEIA <br /> 1100 year I 0.6741 ' 8.00 ' 0.2313 10.9500 SBUH TYPE1A <br /> 11/17/2011 2:37 PM <br />