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TR55 Tc Worksheet 3 <br />Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2024 <br />Hyd. No. 1 <br />5-Acre Basin <br />Description A B C Totals <br />Sheet Flow <br />Manning's n-value = 0.050 0.011 0.011 <br />Flow length (ft) = 0.0 0.0 0.0 <br />Two-year 24-hr precip. (in) = 0.00 0.00 0.00 <br />Land slope (%) = 0.00 0.00 0.00 <br />Travel Time (min)=0.00 +0.00 +0.00 =0.00 <br />Shallow Concentrated Flow <br />Flow length (ft) = 1500.00 0.00 0.00 <br />Watercourse slope (%) = 30.00 0.00 0.00 <br />Surface description = Unpaved Paved Paved <br />Average velocity (ft/s)=8.84 0.00 0.00 <br />Travel Time (min)=2.83 +0.00 +0.00 =2.83 <br />Channel Flow <br />X sectional flow area (sqft) = 0.00 0.00 0.00 <br />Wetted perimeter (ft) = 0.00 0.00 0.00 <br />Channel slope (%) = 0.00 0.00 0.00 <br />Manning's n-value = 0.015 0.015 0.015 <br />Velocity (ft/s)=0.00 <br />0.00 <br />0.00 <br />Flow length (ft) ({0})0.0 0.0 0.0 <br />Travel Time (min)=0.00 +0.00 +0.00 =0.00 <br />Total Travel Time, Tc .............................................................................. 3.00 min