SW6220602_Design Calculations (Culvert 6)_20220810

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc. Thursday, Jul 7 2022
PIPE 6
Invert Elev Dn (ft)
= 128.05
Calculations
Pipe Length (ft)
= 50.00
Qmin (cfs)
= 28.00
Slope (%)
= 0.50
Qmax (cfs)
= 28.00
Invert Elev Up (ft)
= 128.30
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
= 30.0
Shape
= Circular
Highlighted
Span (in)
= 30.0
Qtotal (cfs)
= 28.00
No. Barrels
= 1
Qpipe (cfs)
= 28.00
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 6.23
Culvert Entrance
= Square edge w/headwall (C)
Veloc Up (ft/s)
= 7.39
Coeff. K,M,c,Y,k
= 0.0098, 2, 0.0398, 0.67, 0.5
HGL Dn (ft)
= 130.20
HGL Up (ft)
= 130.10
Embankment
Hw Elev (ft)
= 131.26
Top Elevation (ft)
= 131.30
Hw/D (ft)
= 1.19
Top Width (ft)
= 20.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 5.00
Ele (R)
132.00
131A0
130A0
129.00
126A0
127 M
0
PIPE 6
ft Depth i$i
3.70
2.70
1.70
0.70
-030
-130
5 1D 15 2� 25 30 35 40 45 50 55 60 65 70
[SrcVer GUverl HGL Embank
Reach (t)