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Buhman Culvert Type 1124-hr 100-Year Rainfaii=7.28" <br /> Prepared by Civil Methods, Inc. Printed 9/26/2014 <br /> HydroCAD® 10.00-12 s/n 07283 © 2014 HydroCAD Software Solutions LLC Paae 4 <br /> Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points <br /> Runoff by SCS TR-20 method, UH=SCS, Weighted-CN <br /> Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method <br /> Subcatchment 1S: Culvert Runoff Area=15.090 ac 0.00% Impervious Runoff Depth>2.51" <br /> Flow Length=1,350' Tc=42.1 min CN=60 Runoff=27.90 cfs 3.156 of <br /> Pond 2P: Culvert Peak Elev=962.35' Inflow=27.90 cfs 3.156 of <br /> Primary=11.43 cfs 2.458 of Secondary=16.47 cfs 0.698 of Outflow=27.90 cfs 3.156 of <br /> Total Runoff Area = 15.090 ac Runoff Volume = 3.156 of Average Runoff Depth = 2.51" <br /> 100.00% Pervious = 15.090 ac 0.00% Impervious = 0.000 ac <br />