SW6230501_Culvert Calculations_20230705

Culvert Report
Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Monday,Sep 26 2022
PIPE 1
Invert Elev Dn (ft) = 209.80 Calculations
Pipe Length (ft) = 72.00 Qmin (cfs) = 8.50
Slope (%) = 0.83 Qmax (cfs) = 8.50
Invert Elev Up (ft) = 210.40 Tailwater Elev (ft) = (dc+D)/2
Rise (in) = 18.0
Shape = Circular Highlighted
Span (in) = 18.0 Qtotal (cfs) = 8.50
No. Barrels = 1 Qpipe (cfs) = 8.50
n-Value = 0.012 Qovertop (cfs) = 0.00
Culvert Type = Circular Concrete Veloc Dn (ft/s) = 5.18
Culvert Entrance = Square edge w/headwall (C) Veloc Up (ft/s) = 5.96
Coeff. K,M,c,Y,k = 0.0098, 2, 0.0398, 0.67, 0.5 HGL Dn (ft) = 211.11
HGL Up (ft) = 211.53
Embankment Hw Elev (ft) = 212.32
Top Elevation (ft) = 213.30 Hw/D (ft) = 1.28
Top Width (ft) = 44.00 Flow Regime = Inlet Control
Crest Width (ft) = 50.00
EIev lfh PIPE 1 r1,;Depm la)
214.DD 3.60
213.00 2.60
Inlet:onto!
212.00 I 1.60
211.00 0.60
210.00 -0.40
209.00 -1.40
208.00 -2.40
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95
CircularCulvM HGL Embank
Reach(0)