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UWA10002 - Proposed Type 11 24-hr 1" Event Rainfall =1.00" <br />Prepared by {enter your company name here} Printed 12/1/2010 <br />HydroCAD® 9.10 s/n 01542 © 2009 HydroCAD Software Solutions LLC Page 10 <br />[49] Hint: Tc <2dt may require smaller dt <br />Runoff <br />Runoff by SCS TR -20 method, UH =SCS, Time Span= 5.00 -20.00 hrs, dt= 0.05 hrs <br />Type II 24 -hr 1" Event Rainfall= 1.00" <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft /ft) (ft /sec) (cfs) <br />0 <br />LL <br />5.0 <br />Summary for Subcatchment 11S: Direct Discharge #2 <br />0.01 cfs @ 11.99 hrs, Volume= <br />Area (sf) CN Description <br />1,385 98 Paved parking, HSG B <br />925 61 >75% Grass cover, Good, HSG B <br />2,310 83 Weighted Average <br />925 40.04% Pervious Area <br />1,385 59.96% Impervious Area <br />Direct Entry, <br />= I <br />0.011 <br />0.01. <br />0.01 <br />0.009 <br />0.008 <br />0.008 <br />0.007 <br />0.007 <br />0.006= <br />_ I <br />0.006 <br />0.005 _ a <br />0.005 <br />O.o04. 5 <br />0.004 <br />0.003 <br />0.003 J <br />0.0025 <br />0.0024 <br />0.001 5> <br />0.001 <br />0. 000 ��������������������������������il <br />5 6 7 8 9 10 11 12 13 14 <br />Time (hours) <br />0.001 af, Depth> 0.11" <br />Subcatchment 11S: Direct Discharge #2 <br />Hydrograph <br />L L L L <br />Y <br />L <br />L <br />I I I I <br />I I I I <br />L -1 <br />i <br />I I <br />L <br />1- <br />L <br />4 <br />Type 11 24-hr 1" IrEvent <br />Rai nlfai1 1.00" <br />- Runiiff Area -2,310 sf <br />Runoff ' tokmv= 0.001 af <br />L L <br />rRunof Dept }.111 " - _ <br />M= I I <br />L <br />4- <br />1 L L <br />I I I <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />❑ Runo <br />