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UWA10002 - Alley Ponding <br />Prepared by {enter your company name here} <br />HydroCAD® 9.10 s/n 01542 © 2009 HydroCAD Software Solutions LLC <br />Runoff <br />Summary for Subcatchment 6S: CB 403 DA <br />0.31 cfs @ 11.96 hrs, Volume= <br />Runoff by SCS TR -20 method, UH =SCS, Time Span= 5.00 -20.00 hrs, dt= 0.01 hrs <br />Type II 24 -hr 100 -yr Rainfall = 5.90" <br />Area (sf) CN Description <br />1,569 98 Paved parking, HSG C <br />1,569 100.00% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft /ft) (ft /sec) (cfs) <br />5.0 <br />0.347 . <br />0.321 <br />tt <br />0.3. <br />r <br />0.281 <br />▪ -- --r--- ,----r -- <br />0.261 H --- H --- - - - - -r H <br />0.241 L L L <br />0.22 <br />7, 0.27 <br />U r <br />0.18 -__- <br />✓ r -1 t- <br />o 0.16 <br />lL <br />0.141 - L L --- L- - - - L - <br />- <br />0.12 <br />0.1 <br />r - - - - r - - - r - - - - r - - <br />0.081 <br />0.061 <br />0.041 <br />0.02,' <br />0 <br />5 6 7 <br />8 <br />9 <br />Subcatchment 6S: CB 403 DA <br />10 <br />11 <br />Hydrograph <br />Direct Entry, <br />+ <br />Type 11 24-hr 100 -yr Rainfall = 5.90" <br />Printed 12/1/2010 <br />Page 12 <br />0.016 af, Depth> 5.18" <br />+ <br />$0 <br />L <br />12 13 14 <br />Time (hours) <br />hype )124-hr 1 QDyyr <br />RBl n#s'l I� » 9O" <br />Runoff Are0= 1,;6 <br />Runoff Volumo=iO1-6 <br />t uno Depth :5.11 " -- <br />L - <br />L____ 1 J L <br />0N48 <br />+ <br />L <br />15 <br />6 <br />17 <br />18 <br />19 <br />20 <br />• Runoff <br />