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T:10742\1406\June11 CityApp\Surface Water\ <br />ER Landfill 06_2011 Type ll 24-hr 25 yr Rainfall=4.70" <br />Prepared by Wenck Associates, Inc. Printed 8/2/2011 <br />HydroCAD® 9.10 s/n 02201 ©2010 HydroCAD Software Solutions LLC Page 18 <br />Summary for Subcatchment 12: 12 <br />Runoff = 1.69 cfs @ 11.98 hrs, Volume= 0.081 af, Depth= 2.63" <br />Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-96.00 hrs, dt= 0.02 hrs <br />Type II 24-hr 25 yr Rainfall=4.70" <br />Area (sfl CN Description <br />16 047 80 side of Landfill <br />16,047 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />0.1 55 9.00 Direct Entry, <br />6.2 750 2.00 Direct Entrv. <br />6.4 805 Total <br />Runoff <br />v <br />3 <br />0 <br />0 .. .. .. . .. ..... . .:. ,. ,.` <br />0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 <br />Time (hours) <br />