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<br />2058.0010 Prop Drain <br />Prepared by {enter your company name here} <br />HydroCAOO 8.00 sin 001304 @2006 HydroCAD Sottware Solutions LLC <br /> <br />Type 1/24-hr to-Year; 24 hour Rainfa//=4.tO" <br />Page 9 <br />9/18/2007 <br /> <br />Time span=0.00-72.00 hrs, dt=0.01 hrs, 7201 points <br />Runoff by SCS TR-20 method, UH=SCS <br />Reach routing by Stor-Ind+ Trans method - Pond routing by Stor-Ind method <br /> <br />Subcatchment 15: East area and wetland Runoff Area=74,861 st Runoff Depth=2.21" <br />Flow Length=485' Slope=0.0082 'f' Tc=6.0 min CN=81 Runoff=6.74 cts 0.316 at <br /> <br />Subcatchment 25: Proposed Drainage Area to Pond Runoff Area=59,361 st Runoff Depth=3.32" <br />Flow Length=450' Tc=5.4 min CN=93 Runoff=7.56 cts 0.377 at <br /> <br />Reach 3R: Drainage to offsite <br /> <br />Intlow=8.24 cts 0.679 at <br />Oulflow=8.24 cts 0.679 at <br /> <br />Pond 4P: Storm pond <br /> <br />Peak Elev=901.67' Storage=29,350 cf Intlow=7.56 cts 0.377 at <br />Oulflow=2.56 cfs 0.377 at <br /> <br />Pond 5P: Biofiltration area <br /> <br />Peak Elev=900.68' Storage=1 ,028 ct Intlow=2.56 cts 0.377 at <br />Outflow=2.49 cfs 0.363 at <br /> <br />Total Runoff Area = 3.081 ac Runoff Volume = 0.693 af Average Runoff Depth = 2.70" <br />57.55% Pervious Area = 1.773 ac 42.45% Impervious Area = 1.308 ac <br />