SW6240607_Design Calculations_20240830 (7)

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Monday,Jun 10 2024
PIPE 4 (25-YR)
Invert Elev Dn (ft) = 315.40 Calculations
Pipe Length (ft) = 56.00 Qmin (cfs) = 3.61
Slope (%) = 2.68 Qmax (cfs) = 3.61
Invert Elev Up (ft) = 316.90 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 18.0
Shape = Circular Highlighted
Span (in) = 18.0 Qtotal (cfs) = 3.61
No. Barrels = 1 Qpipe (cfs) = 3.61
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 2.57
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 4.27
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 316.51
HGL Up (ft) = 317.62
Embankment Hw Elev (ft) = 317.91
Top Elevation (ft) = 319.00 Hw/D (ft) = 0.67
Top Width (ft) = 45.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 4(25-YR) Hw Depth(ft)
320.00 3.10
319.00 2.10
318.00 Inlet control 1.10
317.00 0.10
166.....
316.00 - -0.90
....,___:______________T________
315.00 -1
314.00 -_.
0 5 10 15 20 25 30 35 40 45 50 55 6::
CircularCulvert HGL Embank