SW6240105_Design Calculations_20240424 (9)

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Thursday,Apr 18 2024
PIPE 8 (25-YR)
Invert Elev Dn (ft) = 224.65 Calculations
Pipe Length (ft) = 44.00 Qmin (cfs) = 25.20
Slope (%) = 0.57 Qmax (cfs) = 25.20
Invert Elev Up (ft) = 224.90 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 30.0
Shape = Circular Highlighted
Span (in) = 30.0 Qtotal (cfs) = 25.20
No. Barrels = 1 Qpipe (cfs) = 25.20
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 5.71
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 7.05
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 226.75
HGL Up (ft) = 226.61
Embankment Hw Elev (ft) = 227.49
Top Elevation (ft) = 229.10 Hw/D (ft) = 1.04
Top Width (ft) = 32.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Bev(9) PIPE 8(25-YR) Hw DWI(e)
230.00 5.10
22960 4.10
MOO 3.10
In10 control
227.00 • - - 2.10
226.00 1.10
225.00 0.10
221.00 -0.50
223.00 -1.90
0 5 10 15 20 25 30 35 10 45 50 55 60 65
GircaarGulvert HGL Embank
Reach(11)