SW6240905_Design Calculations_20241016 (2)

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Tuesday,Aug 27 2024
PIPE 2 (25-YR)
Invert Elev Dn (ft) = 290.25 Calculations
Pipe Length (ft) = 70.00 Qmin (cfs) = 29.55
Slope (%) = 0.50 Qmax (cfs) = 29.55
Invert Elev Up (ft) = 290.60 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 30.0
Shape = Circular Highlighted
Span (in) = 30.0 Qtotal (cfs) = 29.55
No. Barrels = 1 Qpipe (cfs) = 29.55
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 6.52
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 7.58
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 292.43
HGL Up (ft) = 292.45
Embankment Hw Elev (ft) = 293.50
Top Elevation (ft) = 295.04 Hw/D (ft) = 1.16
Top Width (ft) = 49.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 2(25-YR) Hw Depth(1t)
296.00 5.40
295.00 4.40
3.40
Inlet co)ltrol
293.CC. 2.40
WI
292.00 1.40
2 6 t 0.40
290.00 -0.60
289.00 -1.80
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Circular Culvert HGL Embank
React)(9)