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5 <br /> Hydrograph Report <br /> Hydraflow Hydrographs Extension for Autodesk@ Civil 3D(D by Autodesk, Inc.v2023 Thursday,03/2/2023 <br /> Hyd. No. 4 <br /> Basin 1-Mining <br /> Hydrograph type = Rational Peak discharge = 214.95 cfs <br /> Storm frequency = 100 yrs Time to peak = 37 min <br /> Time interval = 1 min Hyd. volume = 10.955 acft <br /> Drainage area = 60.800 ac Runoff coeff. = 0.9 <br /> Intensity = 3.928 in/hr Tc by TR55 = 37.00 min <br /> OF Curve = Ft Lupton.OF Asc/Rec limb fact = 1/1 <br /> Basin 1-Mining <br /> Q (cfs) Hyd. No. 4-- 100 Year Q (cfs) <br /> 240.00 240.00 <br /> 210.00 210.00 <br /> 180.00 180.00 <br /> 150.00 150.00 <br /> 120.00 120.00 <br /> 90.00 90.00 <br /> 60.00 60.00 <br /> 30.00 30.00 <br /> 0.00 0.00 <br /> 0 10 20 30 40 50 60 70 80 <br /> Hyd No. 4 Time(min) <br />