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Spillway 1-day 10-day 100-yr, 10-day Rainfall=7.20", AMC=4Upper 33rd - Proposed <br /> Printed 12/28/2022Prepared by Larson Engineering Of MN <br />Page 23HydroCAD® 10.20-2f s/n 01934 © 2022 HydroCAD Software Solutions LLC <br />Summary for Subcatchment C: <br />Runoff = 0.11 cfs @ 121.30 hrs, Volume= 5,568 cf, Depth= 6.96" <br /> Routed to Pond 5P : North System <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 />* 5,742 98 Proposed Impervious <br />3,857 61 >75% Grass cover, Good, HSG B <br />9,599 83 98 Weighted Average, AMC Adjusted <br />3,857 61 98 40.18% Pervious Area, AMC Adjusted <br />5,742 98 98 59.82% Impervious Area, AMC Adjusted <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />6.6 25 0.0100 0.06 Sheet Flow, <br />Grass: Dense n= 0.240 P2= 2.83"