SW6201202_Calcs (Pipe 1)_20201210

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
PIPE 1
Invert Elev Dn (ft)
= 137.20
Calculations
Pipe Length (ft)
= 40.00
Qmin (cfs)
Slope (%)
= 0.50
Qmax (cfs)
Invert Elev Up (ft)
= 137.40
Tailwater Elev (ft)
Rise (in)
= 18.0
Shape
= Circular
Highlighted
Span (in)
= 18.0
Qtotal (cfs)
No. Barrels
= 1
Qpipe (cfs)
n-Value
= 0.012
Qovertop (cfs)
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
Culvert Entrance
= Groove end projecting (C)
Veloc Up (ft/s)
Coeff. K,M,c,Y,k
= 0.0045, 2, 0.0317, 0.69, 0.2
HGL Dn (ft)
HGL Up (ft)
Embankment
Hw Elev (ft)
Top Elevation (ft)
= 139.80
Hw/D (ft)
Top Width (ft)
= 20.00
Flow Regime
Crest Width (ft)
= 10.00
Elev (ft
140.0E
130.5E
130.0E
138.5E
138.0E
137.50
137.0E
135.5E
0
PIPE 1
5 10 15 20 25 3�0 35 4D 45 50 55
Circular Culvert•.....................................I HGL Eilaank
Wednesday, Nov 25 2020
= 5.50
= 6.50
= (dc+D)/2
= 5.50
= 5.50
= 0.00
= 3.62
= 4.94
= 138.40
= 138.30
= 138.72
= 0.88
= Inlet Control
Hw Depth (ft!
2.60
2.10
1.60
1.10
0.60
0.10
-0.40
-0.90
610
Reach (ft}