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C:�Program Files�HydroCADlProjects�FiydroCAD Projects108 JOBS\ <br /> 08175B Barry Sewali Existing Conditions May 13, 2009 Type 1124-hr 2 Year Rainfall=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 Softvware Solutions LLC PaS1e 6 <br /> Summary for Subcatchment A2: Area 2 <br /> Runoff = 0.05 cfs cLD 12.11 hrs, Volume= 0.009 af, Depth> 0.12" <br /> Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt=0.05 hrs <br /> Type II 24-hr 2 Year Rainfall=2.75" <br /> Area (ac) CN Description <br /> 0.020 98 Paved parking �roofs <br /> 0.�0 61 >75% Grass cover, Good, HSG B <br /> 0.840 55 Woods, Good, HSG B <br /> 0.920 56 Weighted Average <br /> 0.900 97.83% Pervious Area <br /> 0.020 2.17% Impervious Area <br /> Tc Length Slope Velocity Capacity Description <br /> (min) (feet) (ft/ft) (ff/sec) (cfs) <br /> 10.0 Direct Entry, <br />