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2 <br /> Hydrograph Report <br /> Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2024 Wednesday, 11/20/2024 <br /> Hyd. No. 1 <br /> Basin 1 - Baseline <br /> Hydrograph type = SCS Runoff Peak discharge = 4.447 cfs <br /> Storm frequency = 100 yrs Time to peak = 14.00 hrs <br /> Time interval = 60 min Hyd. volume = 2.128 acft <br /> Drainage area = 64.700 ac Curve number = 74* <br /> Basin Slope = 0.3 % Hydraulic length = 2000 ft <br /> Tc method = LAG Time of conc. (Tc) = 132.40 min <br /> Total precip. = 2.17 in Distribution = Type II <br /> Storm duration = 24 hrs Shape factor = 484 <br /> *Composite(Area/CN)=[(1.400 x 98)+(1.500 x 39)+(4.900 x 74)+(23.200 x 74)+(10.900 x 74)+(22.800 x 74)]/64.700 <br /> Basin 1 - Baseline <br /> Q (cfs) Hyd. No. 1 -- 100 Year Q (cfs) <br /> 5.00 5.00 <br /> 4.00 4.00 <br /> 3.00 3.00 <br /> 2.00 2.00 <br /> 1.00 1.00 <br /> 0.00 - - - 0.00 <br /> 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 <br /> Time (hrs) <br /> Hyd No. 1 <br />