SW6220702_Design Calculations (Pipe 4)_20220810

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc. Monday, Jul 11 2022
PIPE 4
Invert Elev Dn (ft)
= 113.70
Calculations
Pipe Length (ft)
= 54.00
Qmin (cfs)
= 5.94
Slope (%)
= 0.56
Qmax (cfs)
= 5.94
Invert Elev Up (ft)
= 114.00
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
= 18.0
Shape
= Circular
Highlighted
Span (in)
= 18.0
Qtotal (cfs)
= 5.94
No. Barrels
= 1
Qpipe (cfs)
= 5.94
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 3.86
Culvert Entrance
= Square edge w/headwall (C)
Veloc Up (ft/s)
= 5.07
Coeff. K,M,c,Y,k
= 0.0098, 2, 0.0398, 0.67, 0.5
HGL Dn (ft)
= 114.92
HGL Up (ft)
= 114.94
Embankment
Hw Elev (ft)
= 115.45
Top Elevation (ft)
= 116.70
Hw/D (ft)
= 0.97
Top Width (ft)
= 26.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 50.00
Ele (ft)
11 TOD
116.00
115.00
114 0D
113A0
112 W
0
PIPE 4
Hai Depth (R)
3.00
2 00
1 JDD
0 00
AMC
-2 M
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75
Clraiar Glverl HGL Embank
Rmrh (t)