SW6240607_Design Calculations_20240830 (9)

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Monday,Jun 10 2024
PIPE 6 (POST, 25-YR)
Invert Elev Dn (ft) = 314.30 Calculations
Pipe Length (ft) = 48.00 Qmin (cfs) = 84.14
Slope (%) = 0.94 Qmax (cfs) = 84.14
Invert Elev Up (ft) = 314.75 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 48.0
Shape = Circular Highlighted
Span (in) = 48.0 Qtotal (cfs) = 84.14
No. Barrels = 1 Qpipe (cfs) = 84.14
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 7.41
Culvert Entrance = Groove end w/headwall (C) Veloc Up (ft/s) = 9.04
Coeff. K,M,c,Y,k = 0.0018, 2, 0.0292, 0.74, 0.2 HGL Dn (ft) = 317.69
HGL Up (ft) = 317.53
Embankment Hw Elev (ft) = 319.00
Top Elevation (ft) = 320.33 Hw/D (ft) = 1.06
Top Width (ft) = 20.00 Flow Regime = Inlet Control
Crest Width (ft) = 5.00
Elev(ft) PIPE 6(POST,25-YR) Hw Depth(ft)
321.00 6.25
320.00 5.25
319.00 1,.hatu...6d 4.25
411‘777--------
318.00 3.25
317.00 2.25
316.00 1.25
315.00 0.25
314.00 -0.75
313.00 -1.75
0 5 10 15 20 25 30 35 40 45 50 56 60 65 70
CircularCulvert HGL Embank
Reach(ft)