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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 7S: CB 410A DA <br />0.42 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 />2,119 98 Paved parking, HSG C <br />2,119 100.00% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft /ft) (ft /sec) (cfs) <br />5.0 <br />U <br />0 <br />LL <br />Hydrograph <br />0.461 1 1 1 1 1 <br />0.081 <br />0.061 <br />0.041 <br />0.02 <br />0 <br />6 <br />7 <br />8 <br />l r 7 <br />9 <br />Direct Entry, <br />Subcatchment 7S: CB 410A DA <br />10 <br />r <br />11 <br />▪ r <br />0.441 { o.a2 Os <br />0.421 r � r r r r <br />0.41 1 1 1 1 1 <br />0.384' H 4- -1 L H <br />0.361 - 1 7 r 7 r <br />0.34 L L L L L L <br />0.321 <br />-1 1 I 4- H L H L <br />0.3• <br />0.28 r L L <br />0.26 ,, -1 1- -1 -1 <br />0.24 = r I I I I <br />� � <br />0.22 L L L L I <br />▪ r I I I I I <br />0.21 r r r r r <br />0.185 ▪ ,- <br />0 .165 ' - -------- 1--- 4----- 4- - - --1 <br />0.14f r --- r <br />- - - 7 r 7 <br />0.121 I I I I I - <br />I <br />12 13 14 <br />Time (hours) <br />r r <br />I I <br />4- <br />r <br />Type 11 24-hr 100 -yr Rainfall = 5.90" <br />Printed 12/1/2010 <br />Page 13 <br />0.021 af, Depth> 5.18" <br />A I A_ 1 L <br />Type 0 24-hr ' 100 -yr - <br />IP <br />Rainfall -5.910 <br />✓ r I r I r <br />Runoff Area- 2z11 <br />flunoff Ldotumn -0:O21 Lat - <br />Runo#* 5.18" <br />L r Td rrtm <br />r r <br />O N =98 <br />✓ r I r I r <br />I I I I I <br />- 1 I + I + I r - - - - <br />T r 1 r <br />I <br />15 <br />6 <br />17 <br />r <br />18 19 <br />r <br />4- <br />20 <br />• Runoff <br />