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C:�Program Files�FiydroCAD\Projects�FlydroCAD Projects\08 JOBS\ <br /> 08175B Barry Sewail Existing Conditions May 13, 2008 Type II 24-hr 2 Year Rainfaii=2.75" <br /> Prepared by Gronberg 8�Associates, inc. Printed 5/19/2009 4:17:13 PM <br /> HydroCAD�9.00 s/n 04529 �2009 HydroCAD Soflware Solutions LLC Pa�1e 5 <br /> Summary for Subcatchment A1: Area 1 <br /> Runoff = 0.16 cfs(d,� 12.07 hrs, Volume= 0.016 af, Depth> 0.18" <br /> Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt=0.05 hrs <br /> Type II 24hr 2 Year Rainfall=2.75" <br /> Area (ac) CN Description <br /> 0.100 98 Paved parking&roofs <br /> 0.030 61 >75%Grass cover, Good, HSG B <br /> 0.930 55 Woods, Good, HSG B <br /> 1.060 59 Weighted Average <br /> 0.960 90.57% Pervious Area <br /> 0.100 9.43% Impervious Area <br /> Tc Length Slope Velocity Capacity Description <br /> (min) (feet) (ft/ft) (ft/sec) (�fs) <br /> 10.0 Direct Entry, <br />