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T:\0742\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 16 <br />Summary for Subcatchment 10: 10 <br />Runoff = 7.39 cfs @ 11.98 hrs, Volume= 0.361 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 />71 666 80 side of Landfill <br />71,666 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />7.0 750 1.79 Direct Entry, <br />Runoff <br />