SW6201202_Calcs (Pipe 3)_20201210

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
Pipe 3
Invert Elev Dn (ft)
= 137.25
Calculations
Pipe Length (ft)
= 44.00
Qmin (cfs)
Slope (%)
= 0.57
Qmax (cfs)
Invert Elev Up (ft)
= 137.50
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)
= 139.89
Hw/D (ft)
Top Width (ft)
= 20.00
Flow Regime
Crest Width (ft)
= 0.00
Elev (ft
140.0E
130.5E
130. DD
138.5E
138.0D
137.50
137.OD
135.5E
0
Pipe 3
Wednesday, Nov 25 2020
= 7.41
= 7.41
= (dc+D)/2
= 7.41
= 7.41
= 0.00
= 4.62
= 5.57
= 138.53
= 138.56
= 139.11
= 1.08
= Inlet Control
Hw Depth (ft!
2.50
2.0D
1.50
1.0D
0.50
p.DD
-0.50
-1.00
5 10 15 20 25 3D 35 4D 45 50 55 56 5.5
Circular Culvert•.....................................I HGL Erilaank
Reach (ft}