SW6231112_Design Calculations (Pipe 5)_20240117

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Monday,Oct 23 2023
PIPE 5 (25-YR)
Invert Elev Dn (ft) = 398.50 Calculations
Pipe Length (ft) = 48.00 Qmin (cfs) = 2.42
Slope (%) = 3.54 Qmax (cfs) = 2.42
Invert Elev Up (ft) = 400.20 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 18.0
Shape = Circular Highlighted
Span (in) = 18.0 Qtotal (cfs) = 2.42
No. Barrels = 1 Qpipe (cfs) = 2.42
n-Value = 0.013 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 1.84
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 3.76
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 399.54
HGL Up (ft) = 400.79
Embankment Hw Elev (ft) = 400.99
Top Elevation (ft) = 402.42 Hw/D (ft) = 0.53
Top Width (ft) = 32.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 5(25-YR) H,;Depth l5:
403.00 2.88D
402.00 - 1.80
401.00 hdct.uihur 0.80
400.00 -0.20
399.00 f -1.20
398:: - -2.20
397.02 -3.20
0 5 10 15 20 25 3D 35 40 45 5D 55 52 55 70
CircularCulvert HGL Embank
Reach,ft: