SW6220602_Design Calculations (Culvert 4)_20220810

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc. Thursday, Jul 7 2022
PIPE 4
Invert Elev Dn (ft)
= 131.55
Calculations
Pipe Length (ft)
= 49.00
Qmin (cfs)
= 13.94
Slope (%)
= 0.51
Qmax (cfs)
= 13.94
Invert Elev Up (ft)
= 131.80
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
= 24.0
Shape
= Circular
Highlighted
Span (in)
= 24.0
Qtotal (cfs)
= 13.94
No. Barrels
= 1
Qpipe (cfs)
= 13.94
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 4.97
Culvert Entrance
= Square edge w/headwall (C)
Veloc Up (ft/s)
= 6.21
Coeff. K,M,c,Y,k
= 0.0098, 2, 0.0398, 0.67, 0.5
HGL Dn (ft)
= 133.22
HGL Up (ft)
= 133.14
Embankment
Hw Elev (ft)
= 133.93
Top Elevation (ft)
= 134.30
Hw/D (ft)
= 1.07
Top Width (ft)
= 20.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 5.00
Ele (ft)
135.00
134A0
133A0
132 0D
131J30
130 o0
0
PIPE d
Hai Depth (R)
3.20
220
120
0211
-0m
-190
5 10 15 20 25 30 35 40 45 50 55 60 65 70
[Qraiar Qlverl HGL Embank
Rmrh (it)