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Calculate Discharge Velocity (V) for Arch Pipe:   Calculation: Designer/Checker:   Input:   Metric Units   Flowing Full Flowing 3/4 Full Flowing 1/2 Full Height or Rise of Arch (D - in or mm) Span or Width of Arch (B - in or mm) Energy Grade Line Slope, rise/run, (S - ft/ft or m/m) Manning's Roughness Coefficient (n)                   Output:     Login to enable the Formulas! Not a Member? Join Now!     V = (1.486/n)*(R^2/3)*(S^1/2) =            Start Using The Calculations >>> Become A Member Now!

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