SW6220701_Design Calculations_20220810 (8)

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
PIPE 2
Invert Elev Dn (ft)
= 120.90
Calculations
Pipe Length (ft)
= 56.00
Qmin (cfs)
Slope (%)
= 0.54
Qmax (cfs)
Invert Elev Up (ft)
= 121.20
Tailwater Elev (ft)
Rise (in)
= 24.0
Shape
= Circular
Highlighted
Span (in)
= 24.0
Qtotal (cfs)
No. Barrels
= 1
Qpipe (cfs)
n-Value
= 0.012
Qovertop (cfs)
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
Culvert Entrance
= Square edge w/headwall (C)
Veloc Up (ft/s)
Coeff. K,M,c,Y,k
= 0.0098, 2, 0.0398, 0.67, 0.5
HGL Dn (ft)
HGL Up (ft)
Embankment
Hw Elev (ft)
Top Elevation (ft)
= 125.00
Hw/D (ft)
Top Width (ft)
= 20.00
Flow Regime
Crest Width (ft)
= 50.00
122 On
121 00
120 M
119 on
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Ep-
Wednesday, Jun 1 2022
= 9.09
= 9.09
= (dc+D)/2
= 9.09
= 9.09
= 0.00
= 3.51
= 5.28
= 122.44
= 122.28
= 122.79
= 0.79
= Inlet Control
ft Depth (R)
0 5 10 15 20 25 30 35 40 45 50 55 80 65 70 75 80
Circler C\iverl HGL Embank
R—ch (t)
4.80
320
200
180
080
-020
-120
-220