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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 />U <br />0 <br />LL <br />Summary for Subcatchment 4S: CB 405A DA <br />0.94 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 />4,701 98 Paved parking, HSG C <br />4,701 100.00% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft /ft) (ft /sec) (cfs) <br />5.0 <br />Hydrograph <br />Direct Entry, <br />Subcatchment 4S: CB 405A DA <br />Type 11 24-hr 100 -yr Rainfall = 5.90" <br />Printed 12/1/2010 <br />Page 10 <br />0.047 af, Depth> 5.18" <br />10 <br />// <br />e <br />6 7 8 9 10 11 12 13 14 <br />Time (hours) <br />Ty; pe 124-hr 100yyr <br />Rainfall =5.910" <br />Runoff Are i= 4,,701 sf <br />Runoff Volumo- 0.047 af <br />Runof Depth >5.18" <br />Tc =5 Whin <br />QN_'98 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />Runoff <br />