SW6231112_Design Calculations (Pipe 7)_20240117

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Monday,Oct 23 2023
PIPE 7 (25-YR)
Invert Elev Dn (ft) = 384.85 Calculations
Pipe Length (ft) = 42.00 Qmin (cfs) = 39.50
Slope (%) = 0.60 Qmax (cfs) = 39.50
Invert Elev Up (ft) = 385.10 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 36.0
Shape = Circular Highlighted
Span (in) = 36.0 Qtotal (cfs) = 39.50
No. Barrels = 1 Qpipe (cfs) = 39.50
n-Value = 0.013 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 6.23
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 7.70
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 387.37
HGL Up (ft) = 387.14
Embankment Hw Elev (ft) = 388.20
Top Elevation (ft) = 389.87 Hw/D (ft) = 1.03
Top Width (ft) = 32.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 7(25-YR) Hw Depth ifti
390.00 , I , , i 4.90
389.00 3.90
iiiiii illiji
1Lmiii___
h dctcvntr
388.:;: 2.90
387 1.90
0.90
385.00 -0.10
384.00 -1.10
383.00 - -2.10
0 5 10 15 20 25 3D 35 40 45 50 55 60 65
CircularCulvert HGL Embank
Reach(it)