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2 <br /> Hydrograph Report <br /> Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2022 Thursday, 10/10/2024 <br /> Hyd. No. 1 <br /> Drainage Basin 1 - Baseline <br /> Hydrograph type = Rational Peak discharge = 13.03 cfs <br /> Storm frequency = 100 yrs Time to peak = 172 min <br /> Time interval = 1 min Hyd. volume = 134,503 cuft <br /> Drainage area = 39.820 ac Runoff coeff. = 0.23 <br /> Intensity = 1.423 in/hr Tc by TR55 = 172.00 min <br /> IDF Curve = Evans.IDF Asc/Rec limb fact = 1/1 <br /> Drainage Basin 1 - Baseline <br /> Q (cfs) Q (cfs) <br /> Hyd. No. 1 -- 100 Year <br /> 14.00 14.00 <br /> 12.00 12.00 <br /> 10.00 10.00 <br /> 8.00 8.00 <br /> 6.00 • 6.00 <br /> 4.00 4.00 <br /> 2.00 2.00 <br /> 0.00 0.00 <br /> 0 30 60 90 120 150 180 210 240 270 300 330 360 <br /> Time(min) <br /> Hyd No. 1 <br />