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MSE 24-hr 3 100-Year Rainfall=7.32"24021_Idyllvale_EX <br /> Printed 10/23/2024Prepared by Civil Methods, Inc. <br />Page 9HydroCAD® 10.10-5a s/n 07283 © 2020 HydroCAD Software Solutions LLC <br />Summary for Subcatchment E3: Existing Southwest corner <br />Runoff =2.48 cfs @ 12.18 hrs, Volume=0.133 af, Depth= 3.89" <br />Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.00-96.00 hrs, dt= 0.01 hrs <br />MSE 24-hr 3 100-Year Rainfall=7.32" <br />Area (ac) CN Description <br />0.410 70 Woods, Good, HSG C <br />*0.000 98 <br />0.410 70 Weighted Average <br />0.410 70 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet)(ft/ft) (ft/sec)(cfs) <br />10.0 Direct Entry, <br />Summary for Reach 1R: Existing to offsite <br />Inflow Area =18.237 ac, 3.02% Impervious, Inflow Depth = 4.13" for 100-Year event <br />Inflow =76.98 cfs @ 12.34 hrs, Volume=6.275 af <br />Outflow =76.98 cfs @ 12.34 hrs, Volume=6.275 af, Atten= 0%, Lag= 0.0 min <br />Routing by Dyn-Stor-Ind method, Time Span= 0.00-96.00 hrs, dt= 0.01 hrs <br />157