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68 <br /> Hydrograph Report <br /> Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2011 by Autodesk,Inc.v8 Friday,Aug 31,2012 <br /> Hyd. No. 10 <br /> Post-Dev Site <br /> Hydrograph type = SCS Runoff Peak discharge = 81.26 cfs <br /> Storm frequency = 10 yrs Time to peak = 730 min <br /> Time interval = 1 min Hyd. volume = 318,186 cuft <br /> Drainage area = 47.060 ac Curve number = 64.2 <br /> Basin Slope = 0.0 % Hydraulic length = 0 ft <br /> Tc method = TR55 Time of conc. (Tc) = 26.60 min <br /> Total precip. = 5.38 in Distribution = Type II <br /> Storm duration = 24 hrs Shape factor = 484 <br /> Post-Dev Site <br /> Q(cfs) Hyd. No. 10-- 10 Year Q (cfs} <br /> 90.00 <br /> 111 — 111111111111 _ <br /> 90.00 <br /> 80.00 I 80.00 <br /> III 1 <br /> III <br /> III <br /> 70.00 70.00 <br /> II <br /> 60.00 60.00 <br /> — ill _ <br /> 50.00 50.00 <br /> 40.00 40.00 <br /> 1! <br /> 30.00 III I 1 <br /> I 30.00 <br /> -_ <br /> 20.00 <br /> III <br /> ill <br /> III <br /> III 1_ <br /> 20.00 <br /> 1 <br /> 1 1 <br /> 10.00 <br /> 111 <br /> 10.00 <br /> 1 <br /> 0.00 0.00 <br /> 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 <br /> Hyd No. 10 Time(mire) <br />