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16 <br /> Hydrograph Report <br /> Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2022 Thursday, 10/10/2024 <br /> Hyd. No. 8 <br /> Drainage Basin 2 - Reclamation Alternative <br /> Hydrograph type = Rational Peak discharge = 26.22 cfs <br /> Storm frequency = 100 yrs Time to peak = 256 min <br /> Time interval = 1 min Hyd. volume = 402,754 cuft <br /> Drainage area = 120.030 ac Runoff coeff. = 0.21* <br /> Intensity = 1.040 in/hr Tc by TR55 = 256.00 min <br /> IDF Curve = Evans.IDF Asc/Rec limb fact = 1/1 <br /> *Composite(Area/C)=[(106.350 x 0.20)+(6.670 x 0.30)+(0.390 x 0.30)+(1.120 x 0.20)+(1.820 x 0.20)+(3.680 x 0.20)]/120.030 <br /> Drainage Basin 2 - Reclamation Alternative <br /> Q (cfs) Hyd. No. 8-- 100 Year Q (cfs) <br /> 28.00 - 28.00 <br /> 24.00 24.00 <br /> 20.00 20.00 <br /> 16.00 16.00 <br /> 12.00 12.00 <br /> 8.00 8.00 <br /> 4.00 4.00 <br /> 0.00 0.00 <br /> 0 60 120 180 240 300 360 420 480 540 <br /> Hyd No. 8 Time(min) <br />