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Spillway 1-day 10-day 100-yr, 10-day Rainfall=7.20", AMC=4Upper 33rd - Existing <br /> Printed 12/28/2022Prepared by Larson Engineering Of MN <br />Page 10HydroCAD® 10.20-2f s/n 01934 © 2022 HydroCAD Software Solutions LLC <br />Summary for Subcatchment A: <br />Runoff = 0.19 cfs @ 121.42 hrs, Volume= 10,151 cf, Depth= 6.96" <br /> Routed to Reach 2R : Offsite North <br />Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.00-260.00 hrs, dt= 0.01 hrs <br />Spillway 1-day 10-day 100-yr, 10-day Rainfall=7.20", AMC=4 <br />Area (sf) CN Adj Description <br />17,500 80 >75% Grass cover, Good, HSG D <br />17,500 80 98 Weighted Average, AMC Adjusted <br />17,500 80 98 100.00% Pervious Area, AMC Adjusted <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />14.6 100 0.0220 0.11 Sheet Flow, <br />Grass: Dense n= 0.240 P2= 2.83"