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C:\Program Files�FiydroCAD�Projects�-IydroCAD Projects\08 JOBS\ <br /> 08175B Barry Sewali Proposed Conditions May 13, 2008 Type 1124-hr 10 Year Rainfa11=4.20" <br /> Prepared by Gronberg 8 Associates, (nc. Printed 5/20/2009 9:31:36 AM <br /> HydroCAD�9.00 s/n 04529 �2009 Hy�oCAD Sottware Solutions LLC Pa�e 15 <br /> Summary for Subcatchment A5: Area 5 <br /> Runoff = 1.10 cfs� 12.11 hrs, Volume= 0.072 af, Depth> 1.45" <br /> Runoff by SCS TR-20 method, UH=SCS,Time Span=5.00-20.00 hrs, dt= 0.05 hrs <br /> Type II 24hr 10 Year Rainfa11=4.20" <br /> Area (ac) CN Description <br /> 0.180 98 Paved parking 8�roofs <br /> 0.370 61 >75% Grass cover, Good, HSG B <br /> 0.050 55 Woods, Good, HSG B <br /> 0.600 72 Weighted Average <br /> 0.420 70.00% Pervious Area <br /> 0.180 30.00% Impervious Area <br /> Tc Length Slope Velocity Capacity Description <br /> (min) (feet) (ft/ft) (ff/sec) (cfs) <br /> 18.0 Direct Entry, <br />