SW6231112_Design Calculations (Pipe 4)_20240117

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Monday,Oct 23 2023
PIPE 4 (25-YR)
Invert Elev Dn (ft) = 397.85 Calculations
Pipe Length (ft) = 52.00 Qmin (cfs) = 27.01
Slope (%) = 0.58 Qmax (cfs) = 27.01
Invert Elev Up (ft) = 398.15 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 30.0
Shape = Circular Highlighted
Span (in) = 30.0 Qtotal (cfs) = 27.01
No. Barrels = 1 Qpipe (cfs) = 27.01
n-Value = 0.013 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 6.05
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 7.27
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 399.99
HGL Up (ft) = 399.92
Embankment Hw Elev (ft) = 400.87
Top Elevation (ft) = 401.75 Hw/D (ft) = 1.09
Top Width (ft) = 32.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ftl PIPE 4(25-YR) H„Depth raft:
402.00 I I I I I I Z o
401.002 _ 2.05
Inlet:ontrol
40C.C: - 1."u5
F
399.0: ✓.05
398.00 — - -0.15
397:: - - -1 1s
396.GG -2 l
0 5 10 15 20 25 30 35 40 45 50 -E -E
CurcularCulvert HGL Embank
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