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Benedicting Innsbruck Hydro MN-New Brighton 24-hr S1 10-yr Rainfall=4.24" <br /> Prepared by Sunde Engineering Printed 2/13/2020 <br /> HydroCAD® 10.00-20 s/n 02350 ©2017 HydroCAD Software Solutions LLC Page 31 <br /> Subcatchment 17S: Runoff Area=2,921 sf 1.54% Impervious Runoff Depth=1.77" <br /> Tc=6.0 min CN=74 Runoff=0.18 cfs 432 cf <br /> Subcatchment 18S: Runoff Area=2,198 sf 100.00% Impervious Runoff Depth=4.00" <br /> Tc=6.0 min CN=98 Runoff=0.29 cfs 734 cf <br /> Subcatchment 19S: Runoff Area=4,403 sf 0.00% Impervious Runoff Depth=1.77" <br /> Tc=6.0 min CN=74 Runoff=0.28 cfs 651 cf <br /> Subcatchment 20S: Runoff Area=1,286 sf 0.00% Impervious Runoff Depth=1.77" <br /> Tc=6.0 min CN=74 Runoff=0.08 cfs 190 cf <br /> Subcatchment 21S: Runoff Area=394 sf 0.00% Impervious Runoff Depth=1.77" <br /> Tc=6.0 min CN=74 Runoff=0.02 cfs 58 cf <br /> Subcatchment 22S: Runoff Area=3,733 sf 100.00% Impervious Runoff Depth=4.00" <br /> Tc=6.0 min CN=98 Runoff=0.49 cfs 1,246 cf <br /> Subcatchment 23S: Runoff Area=7,702 sf 29.10% Impervious Runoff Depth=2.32" <br /> Tc=6.0 min CN=81 Runoff=0.65 cfs 1,492 cf <br /> Subcatchment 24S: Runoff Area=4,394 sf 3.87% Impervious Runoff Depth=1.85" <br /> Tc=6.0 min CN=75 Runoff=0.29 cfs 677 cf <br /> Subcatchment 25S: Runoff Area=3,192 sf 3.13% Impervious Runoff Depth=1.85" <br /> Tc=6.0 min CN=75 Runoff=0.21 cfs 492 cf <br /> Subcatchment EX 1: Existing Runoff Area=137,785 sf 50.09% Impervious Runoff Depth=2.76" <br /> Tc=6.0 min CN=86 Runoff=13.82 cfs 31,744 cf <br /> Subcatchment EX 2: Existing Runoff Area=47,976 sf 56.28% Impervious Runoff Depth=2.95" <br /> Tc=6.0 min CN=88 Runoff=5.11 cfs 11,804 cf <br /> Subcatchment EX 3: Existing Runoff Area=96,583 sf 59.68% Impervious Runoff Depth=2.95" <br /> Tc=6.0 min CN=88 Runoff=10.29 cfs 23,763 cf <br /> Pond 1P: Peak Elev=938.49' Inflow=22.68 cfs 59,577 cf <br /> 30.0" Round Culvert n=0.013 L=36.0' S=0.0114 '/' Outflow=22.68 cfs 59,577 cf <br /> Pond 2P: Peak Elev=938.98' Inflow=10.12 cfs 29,776 cf <br /> 18.0" Round Culvert n=0.013 L=66.0' S=0.0030 '/' Outflow=10.12 cfs 29,776 cf <br /> Pond 3P: Peak Elev=938.69' Inflow=9.47 cfs 28,121 cf <br /> 18.0" Round Culvert n=0.013 L=25.0' S=0.0028 '/' Outflow=9.47 cfs 28,121 cf <br /> Pond 4P: Peak Elev=942.97' Inflow=7.91 cfs 24,366 cf <br /> 15.0" Round Culvert n=0.013 L=291.0' S=0.0030 '/' Outflow=7.91 cfs 24,366 cf <br /> Pond 5P: Peak Elev=939.23' Inflow=4.03 cfs 15,015 cf <br /> 15.0" Round Culvert n=0.013 L=167.0' S=0.0030 '/' Outflow=4.03 cfs 15,015 cf <br />