SW6211001_Design Calculations (Culvert, Pipe 2)_20211014

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc. Thursday, Jul 22 2021
PIPE 2
Invert Elev Dn (ft)
= 248.30
Calculations
Pipe Length (ft)
= 75.00
Qmin (cfs)
= 12.36
Slope (%)
= 0.51
Qmax (cfs)
= 12.36
Invert Elev Up (ft)
= 248.68
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
= 24.0
Shape
= Circular
Highlighted
Span (in)
= 24.0
Qtotal (cfs)
= 12.36
No. Barrels
= 1
Qpipe (cfs)
= 12.36
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 4.51
Culvert Entrance
= Groove end projecting (C)
Veloc Up (ft/s)
= 5.89
Coeff. K,M,c,Y,k
= 0.0045, 2, 0.0317, 0.69, 0.2
HGL Dn (ft)
= 249.93
HGL Up (ft)
= 249.95
Embankment
Hw Elev (ft)
= 250.55
Top Elevation (ft)
= 251.55
Hw/D (ft)
= 0.94
Top Width (ft)
= 40.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 10.00
8er (t)
252M
251.00
250.00
249.00
248.00
PIPE 2
Hw Depth (t)
332
2.32
WN
032
-0J68
247A0 i i i i i i i i i i i i i i i i i i i i-1.68
0 5 115 225 a35 40 45 5� 55 s6 85 7 75 885 ..,. 55
Circular Culvert HGL Embank
Reach Iftl