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C:�Program FileslHydroCAD�Projects\HydroCAD Projects\08 JOBS� <br /> 081756 Barry Sewall Existing Conditions May 13, 2009 Type ll 24hr 100 Year Rainfa11=6.00" <br /> Prepared by Gronberg &Associates, Inc. Printed 5/19/2009 4:17:13 PM <br /> HydroCAD�9 00 s/n 04529 �2009 HydroCAD Soflware Solutions LLC Pa�e 18 <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 /> SubcatchmeM A1:Area 1 Runoff Area=1.060 ac 9.43%Impervious Runoff Depth>1.65" <br /> Tc=10.0 min CN=59 RunofF-2.86 cfs 0.146 af <br /> Subcatchment A2:Area 2 Runoff Area=0.920 ac 2.17%Impervious Runoff Depth>1.42" <br /> Tc=10.0 min CN=56 RunofF-2.10 cfs 0.109 af <br /> SubcatchmeM A3•Area 3 Runoff Area=1.340 ac 14.93%Impervious Runoff Depth>1.89" <br /> � Tc=12.0 min CN�2 RunofF3.90 cfs 0.211 af <br /> Pond 5P• Depression 3 Peak EIev=932.40' Storage=0.009 af Inflow=3.90 cis 0.211 af <br /> � Outflow=3.85 cfs 0.207 af <br /> Pond D1• Depression Peak Elev=94821' Storage=0.083 af Inflow=2.86 cis 0.146 af <br /> � Outflow=0.20 cfs 0.069 af <br /> Pond D2• Depression 2 Peak Elev=946.13' Storage=0.178 af Inflow=2.10 cfs 0.178 af <br /> � Outflow=0.00 cis 0.000 af <br /> Total Runoff Area=3.320 ac Runoff Volume=0.466 af Average Runoff Depth=1.68" <br /> 90.36°� Pervious=3.000 ac 9.64% Impervious=0.320 ac <br />