SW6240105_Design Calculations_20240424 (7)

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Thursday, Dec 21 2023
PIPE 6 (25-YR)
Invert Elev Dn (ft) = 228.95 Calculations
Pipe Length (ft) = 41.50 Qmin (cfs) = 5.13
Slope (%) = 0.60 Qmax (cfs) = 5.13
Invert Elev Up (ft) = 229.20 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 18.0
Shape = Circular Highlighted
Span (in) = 18.0 Qtotal (cfs) = 5.13
No. Barrels = 1 Qpipe (cfs) = 5.13
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 3.42
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 4.79
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 230.14
HGL Up (ft) = 230.07
Embankment Hw Elev (ft) = 230.47
Top Elevation (ft) = 231.40 Hw/D (ft) = 0.84
Top Width (ft) = 32.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 6(25-YR) Hw Depth�lft
232.00 2.8D
231.00 1.80
!niece Aral
230.00 0.80
229.00 -020
228.8 . -120
227.08 -2.20
0 5 10 15 20 25 3D 35 4D 45 50 55 60 65
Circular Culvert HGL - Embank
Reach(ft)