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. <br /> C:�Program Files\HydroCAD�ProjectsWydroCAD Projects\08 JOBS\ <br /> 08175B Barry Sewall Proposed Conditions May 13, 2009 ( Type Il 24-hr 2 Year Rainfall=2.75" <br /> Prepared by Gronberg &Associates, Inc. Printed 5/20/2009 9:09:37 AM <br /> HydroCAD�9.00 s/n 04529 �2009 HydroCAD Soflware Solutions LLC Pe�e 5 <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=1.030 ac 6.80%Impervious Runoff Depth>0.16" <br /> Tc=11.0 min CN=58 RunofF0.11 cis 0.014 af <br /> Subcatchment A2:Area 2 RunoffArea=0.240 ac 41.67%Impervious Runoff Depth>0.67" <br /> Tc=9.0 min CN=74 RunofF-0.27 cis 0.013 af <br /> Subcatchment A3:Area 3 Runoff Area=0.685 ac 2.19%Impervious Runoff Depth>0.16" <br /> Tc=10.0 min CN=58 RunofF0.08 cis 0.009 af <br /> Pond 1 P: Pond 1,Area 2 Peak Elev=947.48' Storage=0.001 af Inflow--0.27 cis 0.013 af <br /> 4.0" Round Culvert n=0.010 L=124.0' S=0.0363'P Outflow=0.21 cfs 0.013 af <br /> Pond 2P: Pond 2,Area 3 Peak Elev=942.71' Storage=0.023 af Inflow=0.28 cfs 0.023 af <br /> Outflow=0.00 cts 0.000 af <br /> Pond 6P: Depression Peak Elev=947.29' Storage=0.014 af Inflow=0.11 cis 0.014 af <br /> Outflow--0.00 cis 0.000 af <br /> Total Runoff Area= 1.955 ac Runoff Volume=0.037 af Average Runoff Depth=0.22" <br /> 90.54% Pervious=1.770 ac 9.46% Impervious=0.185 ac <br />