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Benedicting Innsbruck Hydro MN-New Brighton 24-hr S1 2-yr Rainfall=2.84" <br /> Prepared by Sunde Engineering Printed 2/13/2020 <br /> HydroCAD® 10.00-20 s/n 02350 ©2017 HydroCAD Software Solutions LLC Page 3 <br /> Subcatchment 17S: Runoff Area=2,921 sf 1.54% Impervious Runoff Depth=0.81" <br /> Tc=6.0 min CN=74 Runoff=0.08 cfs 197 cf <br /> Subcatchment 18S: Runoff Area=2,198 sf 100.00% Impervious Runoff Depth=2.61" <br /> Tc=6.0 min CN=98 Runoff=0.19 cfs 478 cf <br /> Subcatchment 19S: Runoff Area=4,403 sf 0.00% Impervious Runoff Depth=0.81" <br /> Tc=6.0 min CN=74 Runoff=0.12 cfs 297 cf <br /> Subcatchment 20S: Runoff Area=1,286 sf 0.00% Impervious Runoff Depth=0.81" <br /> Tc=6.0 min CN=74 Runoff=0.03 cfs 87 cf <br /> Subcatchment 21S: Runoff Area=394 sf 0.00% Impervious Runoff Depth=0.81" <br /> Tc=6.0 min CN=74 Runoff=0.01 cfs 27 cf <br /> Subcatchment 22S: Runoff Area=3,733 sf 100.00% Impervious Runoff Depth=2.61" <br /> Tc=6.0 min CN=98 Runoff=0.32 cfs 812 cf <br /> Subcatchment 23S: Runoff Area=7,702 sf 29.10% Impervious Runoff Depth=1.19" <br /> Tc=6.0 min CN=81 Runoff=0.33 cfs 765 cf <br /> Subcatchment 24S: Runoff Area=4,394 sf 3.87% Impervious Runoff Depth=0.86" <br /> Tc=6.0 min CN=75 Runoff=0.13 cfs 314 cf <br /> Subcatchment 25S: Runoff Area=3,192 sf 3.13% Impervious Runoff Depth=0.86" <br /> Tc=6.0 min CN=75 Runoff=0.09 cfs 228 cf <br /> Subcatchment EX 1: Existing Runoff Area=137,785 sf 50.09% Impervious Runoff Depth=1.53" <br /> Tc=6.0 min CN=86 Runoff=7.68 cfs 17,525 cf <br /> Subcatchment EX 2: Existing Runoff Area=47,976 sf 56.28% Impervious Runoff Depth=1.68" <br /> Tc=6.0 min CN=88 Runoff=2.94 cfs 6,703 cf <br /> Subcatchment EX 3: Existing Runoff Area=96,583 sf 59.68% Impervious Runoff Depth=1.68" <br /> Tc=6.0 min CN=88 Runoff=5.93 cfs 13,495 cf <br /> Pond 1P: Peak Elev=937.84' Inflow=14.02 cfs 36,024 cf <br /> 30.0" Round Culvert n=0.013 L=36.0' S=0.0114 '/' Outflow=14.02 cfs 36,024 cf <br /> Pond 2P: Peak EIev=938.01' Inflow=6.51 cfs 18,481 cf <br /> 18.0" Round Culvert n=0.013 L=66.0' S=0.0030 '/' Outflow=6.51 cfs 18,481 cf <br /> Pond 3P: Peak EIev=937.97' Inflow=6.08 cfs 17,403 cf <br /> 18.0" Round Culvert n=0.013 L=25.0' S=0.0028 '/' Outflow=6.08 cfs 17,403 cf <br /> Pond 4P: Peak EIev=939.85' Inflow=5.09 cfs 15,087 cf <br /> 15.0" Round Culvert n=0.013 L=291.0' S=0.0030 '/' Outflow=5.09 cfs 15,087 cf <br /> Pond 5P: Peak EIev=938.84' Inflow=2.71 cfs 9,463 cf <br /> 15.0" Round Culvert n=0.013 L=167.0' S=0.0030 '/' Outflow=2.71 cfs 9,463 cf <br />