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Benedicting Innsbruck Hydro MN-New Brighton 24-hr S1 2-yr Rainfall=2.84" Prepared by Sunde Engineering Printed 2/13/2020 HydroCAD® 10.00-20 s/n 02350 ©2017 HydroCAD Software Solutions LLC Page 24 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf Primary OutFlow Max=0.26 cfs @ 12.04 hrs HW=946.98' (Free Discharge) 4-1=Culvert (Inlet Controls 0.26 cfs @ 1.70 fps) Summary for Pond 19P: Inflow Area = 4,403 sf, 0.00% Impervious, Inflow Depth = 0.81" for 2-yr event Inflow = 0.12 cfs @ 12.05 hrs, Volume= 297 cf Outflow = 0.12 cfs @ 12.05 hrs, Volume= 297 cf, Atten= 0%, Lag= 0.0 min Primary = 0.12 cfs @ 12.05 hrs, Volume= 297 cf Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 945.66' @ 12.05 hrs Device Routing Invert Outlet Devices #1 Primary 945.50' 12.0" Round Culvert L= 49.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet/Outlet Invert= 945.50' /942.64' S= 0.0584 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf Primary OutFlow Max=0.11 cfs @ 12.05 hrs HW=945.66' (Free Discharge) t 1=Culvert (Inlet Controls 0.11 cfs @ 1.38 fps) Summary for Pond 20P: Inflow Area = 10,808 sf, 20.75% Impervious, Inflow Depth = 1.17" for 2-yr event Inflow = 0.42 cfs @ 12.05 hrs, Volume= 1,058 cf Outflow = 0.42 cfs @ 12.05 hrs, Volume= 1,058 cf, Atten= 0%, Lag= 0.0 min Primary = 0.42 cfs @ 12.05 hrs, Volume= 1,058 cf Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 942.96' @ 12.05 hrs Device Routing Invert Outlet Devices #1 Primary 942.64' 12.0" Round Culvert L= 48.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet/ Outlet Invert= 942.64' /941.97' S= 0.0140 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf Primary OutFlow Max=0.41 cfs @ 12.05 hrs HW=942.96' (Free Discharge) 4-1=Culvert (Inlet Controls 0.41 cfs @ 1.92 fps) Summary for Pond 21 P: Inflow Area = 11,202 sf, 20.02% Impervious, Inflow Depth = 1.16" for 2-yr event Inflow = 0.43 cfs @ 12.05 hrs, Volume= 1,084 cf Outflow = 0.43 cfs @ 12.05 hrs, Volume= 1,084 cf, Atten= 0%, Lag= 0.0 min Primary = 0.43 cfs @ 12.05 hrs, Volume= 1,084 cf Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs