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I <br /> i TR55 Tc Worksheet <br /> Hydraflow Hydrographs by Intelisolve v9.1 <br /> I Hyd. No. 2 <br /> Developed <br /> IDescription A B C Totals <br /> I Sheet Flow <br /> Manning's n-value = 0.800 0.011 0.011 <br /> Flow length (ft) = 300.0 0.0 0.0 <br /> I Two-year 24-hr precip. (in) = 1.50 0.00 0.00 <br /> Land slope (%) = 17.50 0.00 0.00 <br /> ITravel Time (min) = 55.23 + 0.00 + 0.00 = 55.23 <br /> Shallow Concentrated Flow <br /> I Flow length (ft) = 63.00 282.00 0.00 <br /> Watercourse slope (%) = 43.00 1.00 0.00 <br /> Surface description = Unpaved Paved Paved <br /> Average velocity(ft/s) = 10.58 2.03 0.00 <br /> ITravel Time min = 0.10 + 2.31 + 0.00 = 2.41 <br /> I Channel Flow <br /> X sectional flow area(sqft) = 0.79 0.00 0.00 <br /> Wetted perimeter(ft) = 3.14 0.00 0.00 <br /> I Channel slope (%) = 2.00 0.00 0.00 <br /> Manning's n-value = 0.025 0.015 0.015 <br /> Velocity(ft/s) = 3.34 0.00 0.00 <br /> IFlow length (ft) = 150.0 0.0 0.0 <br /> Travel Time (min) = 0.75 + 0.00 + 0.00 = 0.75 <br /> ITotal Travel Time, Tc 58.39 min <br /> I <br /> I <br /> I <br /> I <br />