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<br />2058.0010 EX Drain <br />Prepared by {enter your company name here} <br />HydroCAOO 8,00 sin 001304 @2006 HYdroCAD Software Solutions LLC <br /> <br />Type II 24-hr 10-Year; 24 hour Rainfaf/=4,10" <br />Page 4 <br />8/31/2007 <br /> <br />Subcatchment Ex Site: Site <br /> <br />Runoff <br /> <br />= <br /> <br />9.18 efs @ 12,05 hrs, Volume= <br /> <br />0,555 af, Depth> 2,04" <br /> <br />Runoff by SCS TR-20 method, UH=SCS, Time Span= 0,00-24.00 hrs, dt= 0.01 hrs <br />Type II 24-hr 10-Year; 24 hour Rainfal/=4,10" <br /> <br />Area (sf) CN Description <br /> 5,152 98 20th Avenue Pavement <br /> 24,206 85 Wetland <br /> 113,147 77 Brush, Poor, HSG C <br /> 142,505 79 Weighted Average <br /> 137,353 Pervious Area <br /> 5,152 Impervious Area <br />Tc Len9th Slope Velocity Capacity <br />(min) (feet) (fUft) (fUsee) (efs) <br />8.4 100 0,0300 0.20 <br />4.9 440 0.0100 1.50 <br />13,3 540 Total <br /> <br />Description <br /> <br />Sheet Flow, Southwest sheet flow <br />Range n= 0.130 P2= 2,50" <br />Shallow Concentrated Flow, <br />Grassed Waterway Kv= 15,0 fps <br />