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UWA10002 - Proposed <br />Prepared by {enter your company name here} <br />HydroCAD® 9.10 s/n 01542 © 2009 HydroCAD Software Solutions LLC <br />Summary for Subcatchment 10S: Direct Discharge #1 <br />[49] Hint: Tc <2dt may require smaller dt <br />Runoff = 0.10 cfs @ 11.96 hrs, Volume= 0.004 af, Depth> 1.96" <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 10 -yr Rainfall= 4.10" <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft /ft) (ft /sec) (cfs) <br />5.0 <br />Area (sf) CN Description <br />587 98 Paved parking, HSG B <br />583 61 >75% Grass cover, Good, HSG B <br />1,170 80 Weighted Average <br />583 49.83% Pervious Area <br />587 50.17% Impervious Area <br />0.01 <br />0./ <br />= I I I I I <br />0.11 =' <br />1 0 .1051 r I r 1 <br />01 .1 - I I I I <br />= r I I I I I I <br />0.095 L - - -L r L <br />I I I I I I <br />0.09= r r r r r r <br />0.085 - 1 I I I I <br />0.081---- 1 _ --- L ---- L--- _ - - - - L <br />0. 075 = -I r r r r r <br />0.075- 1 <br />1 1 <br />1 1 <br />1 1 <br />1 I I <br />w 0.065 I L <br />V <br />1- 0.061 + + + + + + <br />0.055 =' - I I I r I r <br />LL 0.051 — <br />0.0455 - - - - -I I- - I ] - - - -- I ]- <br />0.041 r I r <br />I I r r r <br />0.035 - I I I I I I <br />= y I I I I I I <br />0.031 L---- L - - - L- -- L --- L - - - - L <br />_/ I I I I I <br />0.025= -I r r r -1 r <br />1 - I I I I I <br />0.02 <br />I <br />0.015 =" / 4 4 t I 1 L <br />I <br />1 1 1 1 1 1 1 1 <br />5 6 7 8 <br />Subcatchment 10S: Direct Discharge #1 <br />Hydrograph <br />1- <br />0.10 cfs <br />Direct Entry, <br />1- <br />r <br />Type 11 24-hr 10 -yr Rainfall = 4.10" <br />Printed 12/1/2010 <br />Page 37 <br />1 <br />I + <br />Type - U- 24- hr- 1 - oyyr - - <br />• I L I I L <br />Rai nfarl- :410 <br />9 10 11 12 13 14 <br />Time (hours) <br />• Runoff -Area= 1,170 sf <br />;Run-off I 1-VO4IIu =0.00 af - <br />Ru io#t-Depth *1 96 " -- <br />I I Tls--50 Thin_ Irn- - <br />- 0N430_ - <br />L r I r I r <br />r I t I <br />L I r I t I r <br />I I I I <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />❑ Runo <br />