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10 <br /> Hydrograph Report <br /> Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2024 Monday,01/20/2025 <br /> Hyd. No. 5 <br /> 40-Acre Basin <br /> Hydrograph type = Rational Peak discharge = 75.44 cfs <br /> Storm frequency = 10 yrs Time to peak = 4 min <br /> Time interval = 1 min Hyd. volume = 0.416 acft <br /> Drainage area = 40.000 ac Runoff coeff. = 0.25 <br /> Intensity = 7.544 in/hr Tc by TR55 = 4.00 min <br /> IDF Curve = SampleFHA.idf Asc/Rec limb fact = 1/1 . <br /> 40-Acre Basin <br /> Q (cfs) Hyd. No. 5-- 10 Year Q (cfs) <br /> 80.00 80.00 <br /> 70.00 • 70.00 <br /> 60.00 • 60.00 <br /> 50.00 50.00 <br /> 40.00 - 40.00 <br /> 30.00 • 30.00 <br /> 20.00 • <br /> 20.00 <br /> 10.00 • <br /> , 10.00 <br /> 0.00 0.00 <br /> 0 1 2 3 4 5 6 7 8 <br /> Time(min) <br /> Hyd No. 5 <br />