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. <br /> C:\Program FilesU-IydroCAD�ProjectsWydroCAD Projects\OS JOBS\ <br /> 081756 Barry Sewall Existing Conditions May 13, 2009 Type 1124-hr 2 Year Rainfa11=2.75" <br /> Prepared by Gronberg 8 Associates, Inc. Printed 5/19/2009 4:17:13 PM <br /> HydroCAD�9.00 sJn 04529 �2009 HydroCAD Software Solutions LLC Paae 4 <br /> Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points <br /> Runoff by SCS TR-20 method, UH=SCS <br /> Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method <br /> Subcatchment A1:Area 1 Runoff Area=1.060 ac 9.43%Impervious Runoff Depfh>0.18" <br /> T�10.0 min CN=59 RunofF0.16 cfs 0.016 af <br /> Subcatchment A2:Area 2 RunoffArea=0.920 ac 2.17%Impervious Runoff Depth>0.12" <br /> Tc=10.0 min CN=56 Runoff=0.05 cis 0.009 af <br /> Subcatchment A3:Area 3 Runoff Area=1.340 ac 14.93°r6 Impervious Runoff Depth>0.26" <br /> T�12.0 min CN�2 Runoff=0.34 cfs 0.029 af <br /> Pond 5P: Depression 3 Peak Elev=932.24' Storage=0.004 af Inflow=0.34 cfs 0.029 af <br /> Outflow=0.28 cts 0.025 af <br /> Pond D1: Depression Peak Elev=947.34' Storage=0.016 af Inflow=0.16 cfs 0.016 af <br /> Outflow=0.00 cis 0.000 af <br /> Pond D2: Depression 2 Peak Elev=944.98' Storage=0.009 af Inflow=0.05 cis 0.009 af <br /> Outflow=0.00 cfs 0.000 af <br /> Total RunofF Area=3.320 ac Runoff Volume=0.054 af Average RunofF Depth=0.20" <br /> 90.36% Pervious=3.000 ac 9.64% Impervious=0.320 ac <br />