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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 22 <br />Summary for Subcatchment EX-26S: Existing wetland west of RR trail <br />Runoff = 6.51 cfs @ 12.30 hrs, Volume= 0.790 af, Depth= 0.95" <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 (ac) CN Description <br />4.000 78 Meadow, non-grazed, HSG D <br />5.930 43 Woods/grass comb., Fair, HSG A <br />9.930 57 Weighted Average <br />9.930 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />30.0 Direct Entry, <br />Subcatchment EX-26S: Existing wetland west of RR trail <br />