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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 18 <br /> Summary for Pond 5P: <br /> Inflow Area = 49,884 sf, 83.17% Impervious, Inflow Depth = 2.28" for 2-yr event <br /> Inflow = 2.71 cfs @ 12.05 hrs, Volume= 9,463 cf <br /> Outflow = 2.71 cfs @ 12.05 hrs, Volume= 9,463 cf, Atten= 0%, Lag= 0.0 min <br /> Primary = 2.71 cfs @ 12.05 hrs, Volume= 9,463 cf <br /> Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs <br /> Peak Elev= 938.84' @ 12.05 hrs <br /> Device Routing Invert Outlet Devices <br /> #1 Primary 937.76' 15.0" Round Culvert <br /> L= 167.0' RCP, sq.cut end projecting, Ke= 0.500 <br /> Inlet/Outlet Invert= 937.76' /937.26' S= 0.0030 '/' Cc= 0.900 <br /> n= 0.013 Corrugated PE, smooth interior, Flow Area= 1.23 sf <br /> Primary OutFlow Max=2.68 cfs @ 12.05 hrs HW=938.83' (Free Discharge) <br /> 4-1=Culvert (Barrel Controls 2.68 cfs @ 3.22 fps) <br /> Summary for Pond 6P: <br /> Inflow Area = 24,455 sf, 65.66% Impervious, Inflow Depth = 0.00" for 2-yr event <br /> Inflow = 0.00 cfs @ 0.00 hrs, Volume= 0 cf <br /> Outflow = 0.00 cfs @ 0.00 hrs, Volume= 0 cf, Atten= 0%, Lag= 0.0 min <br /> Primary = 0.00 cfs @ 0.00 hrs, Volume= 0 cf <br /> Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs <br /> Peak Elev= 940.94' @ 0.00 hrs <br /> Device Routing Invert Outlet Devices <br /> #1 Primary 940.94' 12.0" Round Culvert <br /> L= 108.0' RCP, sq.cut end projecting, Ke= 0.500 <br /> Inlet/ Outlet Invert= 940.94' /937.76' S= 0.0294 '/' Cc= 0.900 <br /> n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf <br /> Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=940.94' (Free Discharge) <br /> 4-1=Culvert ( Controls 0.00 cfs) <br /> Summary for Pond 7P: <br /> Inflow Area = 2,185 sf, 73.36% Impervious, Inflow Depth = 2.01" for 2-yr event <br /> Inflow = 0.16 cfs @ 12.04 hrs, Volume= 366 cf <br /> Outflow = 0.16 cfs @ 12.04 hrs, Volume= 366 cf, Atten= 0%, Lag= 0.0 min <br /> Primary = 0.16 cfs @ 12.04 hrs, Volume= 366 cf <br /> Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs <br /> Peak Elev= 948.34' @ 12.04 hrs <br /> Device Routing Invert Outlet Devices _ <br /> #1 Primary 948.15' 12.0" Round Culvert <br /> L= 76.0' RCP, sq.cut end projecting, Ke= 0.500 <br />