SW6240201_Design Calculations (Pipe 3)_20240213

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Thursday,Jan 18 2024
PIPE 3
Invert Elev Dn (ft) = 305.00 Calculations
Pipe Length (ft) = 54.00 Qmin (cfs) = 7.68
Slope (%) = 2.96 Qmax (cfs) = 7.68
Invert Elev Up (ft) = 306.60 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 18.0
Shape = Circular Highlighted
Span (in) = 18.0 Qtotal (cfs) = 7.68
No. Barrels = 1 Qpipe (cfs) = 7.68
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 4.76
Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 5.68
Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 306.29
HGL Up (ft) = 307.67
Embankment Hw Elev (ft) = 308.24
Top Elevation (ft) = 308.80 Hw/D (ft) = 1.09
Top Width (ft) = 40.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 3 Hw Depth iftj
309.00 1 1 I I I I I I 2.40
Inlet control
308. - - 1.40
307 0.40
306.00 -2.6
305.:; - -1.50
324.00 I i -2.60
0 5 10 15 20 25 30 35 40 45 50 EE P- EE 0 75
CurcularCulvert HGL Embank
Reach ift: