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12 <br /> Hydrograph Report <br /> Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2022 Thursday, 10/10/2024 <br /> Hyd. No. 6 <br /> Drainage Basin 2 - Reclamation <br /> Hydrograph type = Rational Peak discharge = 42.07 cfs <br /> Storm frequency = 100 yrs Time to peak = 634 min <br /> Time interval = 1 min Hyd. volume = 1,600,292 cuft <br /> Drainage area = 120.020 ac Runoff coeff. = 0.7* <br /> Intensity = 0.501 in/hr Tc by TR55 = 634.00 min <br /> IDF Curve = Evans.IDF Asc/Rec limb fact = 1/1 <br /> *Composite(Area/C)=[(73.940 x 1.00)+(46.080 x 0.22)]/120.020 <br /> Drainage Basin 2 - Reclamation <br /> Q (cfs) Hyd. No. 6-- 100 Year Q (cfs) <br /> 50.00 50.00 <br /> 40.00 40.00 <br /> 30.00 30.00 <br /> 20.00 20.00 <br /> 10.00 10.00 <br /> 0.00 0.00 <br /> 0 120 240 360 480 600 720 840 960 1080 1200 1320 <br /> Hyd No. 6 Time(min) <br />