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UWA10002 - Proposed Type 1124 -hr 100 -yr Rainfall = 5.90" <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 52 <br />[49] Hint: Tc <2dt may require smaller dt <br />Runoff <br />5.0 <br />0.4 <br />0.38 <br />0.36 <br />0.32 <br />0.31 <br />0.28 <br />0.26 <br />0.241 <br />• 0.225 <br />• 0.21 <br />O <br />LL 0.181 <br />0.16 <br />0.14 <br />0.12 <br />0.1 <br />0.08 <br />0.06 <br />0.04 <br />0.02 <br />0 <br />Summary for Subcatchment 11S: Direct Discharge #2 <br />0.37 cfs @ 11.95 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 />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft /ft) (ft /sec) (cfs) <br />5 <br />Direct Entry, <br />9 10 11 12 13 14 <br />Time (hours) <br />0.016 af, Depth> 3.73" <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 100 -yr Rainfall = 5.90" <br />Subcatchment 11S: Direct Discharge #2 <br />Hydrograph <br />✓ <br />r <br />+ <br />✓ <br />1 <br />-4 -4 - - --4 - - - - <br />-4 -4 - - --4 4- - - --4 <br />r r - -- r r - -- r <br />✓ r - -- r r - -- r <br />L <br />-4 7- - - --4 7 - - - -- <br />-4 7- - - --4 7 - - - -- <br />+ H - - -+ + - - -+ <br />H - - - - r - - - r r - - - r <br />+ - - - -l <br />4- <br />4- <br />r <br />1- <br />+ <br />0.37 cfs <br />+ <br />r <br />r <br />'ripe 1124"-hr -1 O-Oyyr - <br />Rainfall -5.9O" <br />- - - Runbff - Are0_2;31 - 0st - <br />Runoff I ;VoIjm a O:O -1 of -- <br />Rurloft De;pfh 3.x, - <br />Th=5 0 rti <br />in - <br />ON=3 -- <br />i <br />r <br />Y <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />❑ Runo <br />