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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 9 Summary for Subcatchment 9S: Runoff = 0.43 cfs @ 12.05 hrs, Volume= 998 cf, Depth= 1.19" 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 2,803 98 Paved parking, HSG C 7,243 74 >75% Grass cover, Good, HSG C 10,046 81 Weighted Average 7,243 72.10% Pervious Area 2,803 27.90% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Assumed Summary for Subcatchment 10S: Runoff = 4.26 cfs @ 12.04 hrs, Volume= 9,731 cf, Depth= 1.84" 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 42,640 98 Paved parking, HSG C 20,903 74 >75% Grass cover, Good, HSG C 63,543 90 Weighted Average 20,903 32.90% Pervious Area 42,640 67.10% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Assumed Summary for Subcatchment 11S: Runoff = 0.98 cfs @ 12.04 hrs, Volume= 2,443 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 11,236 98 Paved parking, HSG C 0 74 >75% Grass cover, Good, HSG C 11,236 98 Weighted Average 11,236 100.00% Impervious Area