SW6240905_Design Calculations_20241016 (5)

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Tuesday,Aug 27 2024
PIPE 5 (25-YR)
Invert Elev Dn (ft) = 289.85 Calculations
Pipe Length (ft) = 44.00 Qmin (cfs) = 6.03
Slope (%) = 0.57 Qmax (cfs) = 6.03
Invert Elev Up (ft) = 290.10 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 18.0
Shape = Circular Highlighted
Span (in) = 18.0 Qtotal (cfs) = 6.03
No. Barrels = 1 Qpipe (cfs) = 6.03
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 3.91
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 5.10
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 291.07
HGL Up (ft) = 291.05
Embankment Hw Elev (ft) = 291.50
Top Elevation (ft) = 293.10 Hw/D (ft) = 0.94
Top Width (ft) = 32.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 5(25-YR) Hw Depth ln,
294.00 3.9D
293.00 2.90
292.00 1.90
Inletcontrd
291.00 r 0.90
290.00 -0.10
289.00 -1.10
288.00 -2 10
0 5 10 15 20 25 3D 35 4D 45 50 65 ... 55
CircularCulvert HGL - Embank
Reach ift1