SW6241002_Design Calculations_20241118 (4)

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Wednesday,Sep 4 2024
PIPE 2
Invert Elev Dn (ft) = 165.90 Calculations
Pipe Length (ft) = 42.00 Qmin (cfs) = 4.56
Slope (%) = 0.71 Qmax (cfs) = 4.56
Invert Elev Up (ft) = 166.20 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 18.0
Shape = Circular Highlighted
Span (in) = 18.0 Qtotal (cfs) = 4.56
No. Barrels = 1 Qpipe (cfs) = 4.56
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 3.11
Culvert Entrance = Square edge w/headwall (C) Veloc Up (ft/s) = 4.59
Coeff. K,M,c,Y,k = 0.0098, 2, 0.0398, 0.67, 0.5 HGL Dn (ft) = 167.06
HGL Up (ft) = 167.02
Embankment Hw Elev (ft) = 167.41
Top Elevation (ft) = 169.10 Hw/D (ft) = 0.81
Top Width (ft) = 20.00 Flow Regime = Inlet Control
Crest Width (ft) = 50.00
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