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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 />0.35 <br />• 0.3 <br />o - <br />LL 0.25 <br />0.2- <br />0.15- <br />0.1- <br />0.051 <br />6 <br />7 <br />8 <br />Summary for Subcatchment 9S: CB 402 DA <br />0.52 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 />2,595 98 Paved parking, HSG C <br />2,595 100.00% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft /ft) (ft /sec) (cfs) <br />5.0 <br />9 <br />Subcatchment 9S: CB 402 DA <br />10 <br />11 <br />Hydrograph <br />1 0.52 Os. <br />Direct Entry, <br />12 13 14 <br />Time (hours) <br />Type 11 24-hr 100 -yr Rainfall = 5.90" <br />Printed 12/1/2010 <br />Page 15 <br />0.026 af, Depth> 5.18" <br />15 <br />Type) f 2 *h r 1 O0yyr - <br />Rai ryfarl- 5.9 - <br />Runpff 1ctre0=2,595 <br />`Runoff )Tor0 m0 =0.026 a1 - <br />Runo1# <br />c =50 shin <br />CN =�8 <br />- r <br />16 <br />17 <br />r <br />18 <br />19 <br />20 <br />• Runoff <br />