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Type II 24-hr 10-Year Rainfall=4.26"21308 - EXISTING <br /> Printed 7/15/2021Prepared by {enter your company name here} <br />Page 14HydroCAD® 10.10-6a s/n 02202 © 2020 HydroCAD Software Solutions LLC <br />Summary for Subcatchment EX1: EX. 1 (DRAINS TO STINSON STORM SEWER) <br />Runoff = 10.03 cfs @ 11.97 hrs, Volume= 0.549 af, Depth= 3.83" <br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-240.00 hrs, dt= 0.01 hrs <br />Type II 24-hr 10-Year Rainfall=4.26" <br />Area (sf) CN Description <br />66,759 98 Paved parking, HSG D <br />8,198 80 >75% Grass cover, Good, HSG D <br />74,957 Weighted Average <br />8,198 10.94% Pervious Area <br />66,759 89.06% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />6.0 Direct Entry, <br />Subcatchment EX1: EX. 1 (DRAINS TO STINSON STORM SEWER) <br />Runoff <br />Hydrograph <br />Time (hours) <br />2402302202102001901801701601501401301201101009080706050403020100Flow (cfs)11 <br />10 <br />9 <br />8 <br />7 <br />6 <br />5 <br />4 <br />3 <br />2 <br />1 <br />0 <br />Type II 24-hr <br />10-Year Rainfall=4.26" <br />Runoff Area=74,957 sf <br />Runoff Volume=0.549 af <br />Runoff Depth=3.83" <br />Tc=6.0 min <br />CN=WQ <br />10.03 cfs