SW6220701_Design Calculations_20220810 (7)

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc. Tuesday, May 31 2022
PIPE 1
Invert Elev Dn (ft)
= 114.30
Calculations
Pipe Length (ft)
= 56.00
Qmin (cfs)
= 1.69
Slope (%)
= 0.54
Qmax (cfs)
= 1.69
Invert Elev Up (ft)
= 114.60
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
= 18.0
Shape
= Circular
Highlighted
Span (in)
= 18.0
Qtotal (cfs)
= 1.69
No. Barrels
= 1
Qpipe (cfs)
= 1.69
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 1.36
Culvert Entrance
= Square edge w/headwall (C)
Veloc Up (ft/s)
= 3.38
Coeff. K,M,c,Y,k
= 0.0098, 2, 0.0398, 0.67, 0.5
HGL Dn (ft)
= 115.29
HGL Up (ft)
= 115.09
Embankment
Hw Elev (ft)
= 115.27
Top Elevation (ft)
= 118.10
Hw/D (ft)
= 0.45
Top Width (ft)
= 24.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 50.00
Ele (R)
119.00
118 00
117 W
116 M
11500
114 W
113 W
0
<Na e7
Hw Depth i$i
4.40
3.40
240
140
040
-060
-1E0
5 10 15 20 25 30 35 40 45 50 55 fi0 65 70 75 80
- CSraiar Glverl HGL Embank
Rmrh (t)