Laserfiche WebLink
. <br /> C:\Program FilesWydroCAD�Projeats�FiydroCAD Projects\08 JOBS\ <br /> 08175B Barry Sewali Existing Conditions May 13, 2009 Type 1124-hr 100 Year Rainfa11=6.00" <br /> Prepared by Gronberg &Associates, Inc. Printed 5/19/2009 4:17:13 PM <br /> HydroCAD�9 00 sJn 04529 �2009 HydroCAD Soflware Solutions LLC Pa�e 21 <br /> Summary for Subcatchment A3: Area 3 <br /> Runoff = 3.90 cfs @� 12.05 hrs, Volume= 0.211 af, Depth> 1.89" <br /> Runoff by SCS TR-20 method, UH=SCS,Time Span= 5.00-20.00 hrs, dt= 0.05 hrs <br /> Type 1124hr 100 Year Rainfa11=6.00" <br /> Area (ac) CN Description <br /> 0.040 98 Paved parking 8 roofs <br /> 0.050 98 Paved parking �roofs <br /> 0.110 98 Paved parking &roofs <br /> 0.220 61 >75% Grass cover, Good, HSG B <br /> 0.920 55 Woods Good HSG B <br /> 1.340 62 Weighted Average <br /> 1.140 85.07% Pervious Area <br /> 0.200 14.93% Impervious Area <br /> Tc Length Slope Velocity Capacity Description <br /> (min) (feet) (ft/ft) (ft/sec) (cfs) <br /> 12.0 Direct EMry, <br />