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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 6 Summary for Subcatchment 1S: Runoff = 0.76 cfs @ 12.04 hrs, Volume= 1,903 cf, Depth= 2.61" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs MN-New Brighton 24-hr S1 2-yr Rainfall=2.84" Area (sf) CN Description 8,753 98 Paved parking, HSG C 0 74 >75% Grass cover, Good, HSG C 8,753 98 Weighted Average 8,753 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Assumed Summary for Subcatchment 2S: Runoff = 0.43 cfs @ 12.04 hrs, Volume= 1,078 cf, Depth= 2.61" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs MN-New Brighton 24-hr S1 2-yr Rainfall=2.84" Area (sf) CN Description 4,895 98 Paved parking, HSG C 63 74 >75% Grass cover, Good, HSG C 4,958 98 Weighted Average 63 1.27% Pervious Area 4,895 98.73% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Assumed Summary for Subcatchment 3S: Runoff = 0.99 cfs @ 12.04 hrs, Volume= 2,316 cf, Depth= 2.20" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs MN-New Brighton 24-hr S1 2-yr Rainfall=2.84" Area (sf) CN Description 10,582 98 Paved parking, HSG C 2,077 74 >75% Grass cover, Good, HSG C 12,659 94 Weighted Average 2,077 16.41% Pervious Area 10,582 83.59% Impervious Area