SW6240607_Design Calculations_20240830 (6)

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Monday,Jun 10 2024
PIPE 3 (25-YR)
Invert Elev Dn (ft) = 345.70 Calculations
Pipe Length (ft) = 48.00 Qmin (cfs) = 16.60
Slope (%) = 2.92 Qmax (cfs) = 16.60
Invert Elev Up (ft) = 347.10 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 24.0
Shape = Circular Highlighted
Span (in) = 24.0 Qtotal (cfs) = 16.60
No. Barrels = 1 Qpipe (cfs) = 16.60
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 5.74
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 6.72
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 347.43
HGL Up (ft) = 348.57
Embankment Hw Elev (ft) = 349.37
Top Elevation (ft) = 350.10 Hw/D (ft) = 1.13
Top Width (ft) = 32.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 3(25-YR) Hw Depth ifti
351.00 3.90
350.00 2.90
Inlet contrd
349.00 1.90
348.00 0.90
347.00 -0.10
346.00 -1.10
345.00- -2.10
344.00 1 I -3.10
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70
Circular Culvert HGL Embank
Reach(ft)