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18 <br /> Hydrograph Report <br /> Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2022 Monday,08/19/2024 <br /> Hyd. No. 9 <br /> Drainage Basin 4 Mining <br /> Hydrograph type = Rational Peak discharge = 110.85 cfs <br /> Storm frequency = 100 yrs Time to peak = 280 min <br /> Time interval = 1 min Hyd. volume = 1,862,331 cuft <br /> Drainage area = 168.000 ac Runoff coeff. = 0.55 <br /> Intensity = 1.200 in/hr Tc by TR55 = 280.00 min <br /> IDF Curve = Limon.IDF Asc/Rec limb fact = 1/1 <br /> Drainage Basin 4 Mining <br /> Q (cfs) Hyd. No. 9-- 100 Year Q (cfs) <br /> 120.00 120.00 <br /> 100.00 100.00 <br /> 80.00 80.00 <br /> 60.00 60.00 <br /> 40.00 40.00 <br /> 20.00 20.00 <br /> 0.00 - 0.00 <br /> 0 60 120 180 240 300 360 420 480 540 600 <br /> Time(min) <br /> Hyd No. 9 <br />