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57 <br /> Hydrograph Summary Re p o iydraflow Hydrographs Extension for AutoCADO Civil 3D®2011 by Autodesk, Inc.v8 <br /> Hyd. Hydrograph Peak Time Time to Hyd. Inflow Maximum Total Hydrograph <br /> No. type flow interval Peak volume hyd(s) elevation strge used Description <br /> (origin) (cfs) (min) (min) (cuft) (ft) (cuft) <br /> 1 SCS Runoff 18.64 1 732 99,006 Pre-Dev Site <br /> 2 SCS Runoff 151.52 1 734 652,402 Remaining Basin <br /> 3 Combine 169.99 1 733 751,409 1,2 Outfall-Pre <br /> 10 SCS Runoff 28.92 1 731 131,854 Post-Dev Site <br /> 11 SCS Runoff 151.52 1 734 652,402 Remaining Basin <br /> 12 Combine 179.94 1 733 784,256 10, 11 Outfall-Post <br /> Preliminary Drainage Calcs.gpw Return Period: 2 Year Friday, Aug 31, 2012 <br />