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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 12 <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 />0 <br />LL <br />Area (sf) CN Description <br />1,521 98 Paved parking, HSG B <br />2,102 61 >75% Grass cover, Good, HSG B <br />3,623 77 Weighted Average <br />2,102 58.02% Pervious Area <br />1,521 41.98% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft /ft) (ft /sec) (cfs) <br />5.0 <br />/T <br />0.001 <br />0.001 <br />0.001 <br />0.001 <br />0.001 <br />- <br />0.001 <br />- <br />0.001 <br />0.001 <br />0.000 <br />0.000 - <br />0.000- <br />0.000 <br />0 <br />0.00 cfs @ 12.05 hrs, Volume= <br />6 <br />7 <br />Summary for Subcatchment 13S: Direct Discharge #4 <br />7 <br />L <br />r _t <br />8 <br />9 <br />10 <br />11 <br />1 0.00 cfs <br />Direct Entry, <br />0.000 af, Depth> 0.04" <br />Subcatchment 13S: Direct Discharge #4 <br />Hydrograph <br />Type - II- 24 -hr -1 " Event - <br />Rainfall- 1 <br />Runoff Area- 3,62asi <br />Runoff Vo1am3_0.000 - <br />Runoff Deth.0.04" <br />Td_5,0 min <br />ON =77 <br />—- r -- - - - - r <br />r <br />12 13 14 15 16 17 18 19 20 <br />Time (hours) <br />❑ Runo <br />