SW6231112_Design Calculations (Pipe 6)_20240117

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Monday,Oct 23 2023
PIPE 6 (25-YR)
Invert Elev Dn (ft) = 390.25 Calculations
Pipe Length (ft) = 52.00 Qmin (cfs) = 19.75
Slope (%) = 0.58 Qmax (cfs) = 19.75
Invert Elev Up (ft) = 390.55 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 30.0
Shape = Circular Highlighted
Span (in) = 30.0 Qtotal (cfs) = 19.75
No. Barrels = 1 Qpipe (cfs) = 19.75
n-Value = 0.013 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 4.68
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 6.39
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 392.25
HGL Up (ft) = 392.06
Embankment Hw Elev (ft) = 392.76
Top Elevation (ft) = 393.96 Hw/D (ft) = 0.88
Top Width (ft) = 32.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 6(25-YR) rr;;Depth lft,
394.00 3.45
393.00 2.45
Inlet control
392.00 1 45
391.00 0 45
390.00 - • -0.55
389.00 -155
0 5 10 15 20 25 30 35 4D 45 5D 55 60 65 70 75
CircularCulvert HGL Embank
Reach ifti