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T:\074211406\June11 CityApplSurface Water\ <br />ER Landfill 06_2011 Type 1124-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 12 <br />Summary for Subcatchment 6: 4 <br />Runoff = 12.21 cfs @ 11.98 hrs, Volume= 0.596 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 (sf) CN Description <br />118 421 80 side of Landfill <br />118,421 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />7.0 Direct Entry, <br />Subcatchment 6: 4 <br />