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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 23 Summary for Pond 16P: Inflow = 0.05 cfs @ 13.07 hrs, Volume= 4,302 cf Outflow = 0.05 cfs @ 13.07 hrs, Volume= 4,302 cf, Atten= 0%, Lag= 0.0 min Primary = 0.05 cfs @ 13.07 hrs, Volume= 4,302 cf Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 1.11' @ 13.07 hrs Device Routing Invert Outlet Devices _ #1 Primary 1.00' 12.0" Round Culvert L= 10.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet/Outlet Invert= 1.00' /0.00' S= 0.1000 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf Primary OutFlow Max=0.05 cfs @ 13.07 hrs HW=1.11' (Free Discharge) L1=Culvert (Inlet Controls 0.05 cfs @ 1.13 fps) Summary for Pond 17P: Inflow Area = 2,921 sf, 1.54% Impervious, Inflow Depth = 0.81" for 2-yr event Inflow = 0.08 cfs @ 12.05 hrs, Volume= 197 cf Outflow = 0.08 cfs @ 12.05 hrs, Volume= 197 cf, Atten= 0%, Lag= 0.0 min Primary = 0.08 cfs @ 12.05 hrs, Volume= 197 cf Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 950.33' @ 12.05 hrs Device Routing Invert Outlet Devices #1 Primary 950.20' 12.0" Round Culvert L= 60.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet/ Outlet Invert= 950.20' /946.73' S= 0.0578 '/' Cc= 0.900 n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf Primary OutFlow Max=0.08 cfs @ 12.05 hrs HW=950.33' (Free Discharge) 4-1=Culvert (Inlet Controls 0.08 cfs @ 1.24 fps) Summary for Pond 18P: Inflow Area = 5,119 sf, 43.82% Impervious, Inflow Depth = 1.58" for 2-yr event Inflow = 0.27 cfs @ 12.04 hrs, Volume= 675 cf Outflow = 0.27 cfs @ 12.04 hrs, Volume= 675 cf, Atten= 0%, Lag= 0.0 min Primary = 0.27 cfs @ 12.04 hrs, Volume= 675 cf Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 946.98' @ 12.04 hrs Device Routing Invert Outlet Devices _ #1 Primary 946.73' 12.0" Round Culvert L= 71.0' RCP, sq.cut end projecting, Ke= 0.500 Inlet/Outlet Invert= 946.73' /942.64' S= 0.0576 '/' Cc= 0.900