Laserfiche WebLink
UWA10002 - Proposed Type 11 24-hr 1" Event Rainfall =1.00" <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 6 <br />[49] Hint: Tc <2dt may require smaller dt <br />Runoff <br />Summary for Subcatchment 2S: Drainage Area #2 <br />0.89 cfs @ 11.96 hrs, Volume= <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 1" Event Rainfall= 1.00" <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft /ft) (ft /sec) (cfs) <br />5.0 <br />Area (sf) CN Description <br />45,046 98 Paved parking, HSG B <br />8,226 61 >75% Grass cover, Good, HSG B <br />53,272 92 Weighted Average <br />8,226 15.44% Pervious Area <br />45,046 84.56% Impervious Area <br />0.95. <br />0.91 <br />0.851 <br />0.81 <br />0.751 <br />0.7 <br />0.65 <br />0.61 <br />0.55. <br />0.51 <br />0.45. <br />0.4 <br />0.3 <br />0.251 <br />0.21 <br />0.15 <br />0.11 <br />0.05 <br />0 <br />5 <br />10 <br />11 <br />Direct Entry, <br />12 13 14 <br />Time (hours) <br />0.037 af, Depth> 0.37" <br />Subcatchment 2S: Drainage Area #2 <br />Hydrograph <br />f <br />cLe <br />J <br />L <br />L - - - L L - - -1 L <br />L <br />L L - - -L <br />L ▪ L - - -L L <br />L - - _ — I L L L <br />▪ - -_—I L 1— <br />H - - - + + - - -+ + <br />H - - - + + - - -+ + <br />H — — — + + — — — + + <br />r -1 r <br />r - - - 1 r - - - 1 <br />r - -- 7 r - -- 1 r <br />r <br />7 <br />L <br />1 <br />1 <br />0 cfs <br />lo <br />L <br />Type 11 4 h I - " Event <br />Rai rtfaFk1:QO <br />L i L i L <br />L -R- r� -Ai ea�53 - <br />;unoff'+V O :037taf - <br />Runo## Depth0 " - <br />Q N 42 - <br />r i r <br />r i <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />❑ Runo <br />