SW6240607_Design Calculations_20240830 (4)

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Monday,Jun 10 2024
PIPE 1 (25-YR)
Invert Elev Dn (ft) = 329.00 Calculations
Pipe Length (ft) = 68.00 Qmin (cfs) = 28.66
Slope (%) = 4.71 Qmax (cfs) = 28.66
Invert Elev Up (ft) = 332.20 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 30.0
Shape = Circular Highlighted
Span (in) = 30.0 Qtotal (cfs) = 28.66
No. Barrels = 1 Qpipe (cfs) = 28.66
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 6.35
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 7.47
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 331.16
HGL Up (ft) = 334.02
Embankment Hw Elev (ft) = 334.99
Top Elevation (ft) = 336.20 Hw/D (ft) = 1.11
Top Width (ft) = 32.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 1(25-YR) Hw Depth(ft)
337.00 4.80
336.00 3.80
335.00 6iMwnbv 2.80
334.00 1.80
333.00 0.80
332.00 -0.20
331.00 - -1.20
330.00 -2.20
329.00 -3.20
328.00 - -4.20
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Circular Culvert HGL Embank
Reach(ft)