SW6210601_Design Calculations (Culvert 3)_20210603

Culvert Report
Hydraflow Express Extension for Autodesk@ Civil 3D@ by Autodesk, Inc. Thursday, May 27 2021
PIPE 3
Invert Elev Dn (ft)
190.95
Calculations
Pipe Length (ft)
74.00
Qmin (cfs)
= 1.13
Slope (%)
1.76
Qmax (cfs)
= 1.13
Invert Elev Up (ft)
192.25
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
18.0
Shape
Circular
Highlighted
Span (in)
18.0
Qtotal (cfs)
= 1.13
No. Barrels
1
Qpipe (cfs)
= 1.13
n-Value
0.012
Qovertop (cfs)
= 0.00
Culvert Type
Circular Concrete
Veloc Dn (ft/s)
= 0.96
Culvert Entrance
Groove end projecting (C)
Veloc Up (ft/s)
= 3.02
Coeff. K,M,c,Y,k
= 0.0045, 2, 0.0317, 0.69, 0.2
HGL Dn (ft)
= 191.90
HGL Up (ft)
= 192.65
Embankment
Hw Elev (ft)
= 192.78
Top Elevation (ft)
= 194.79
Hw/D (ft)
= 0.35
Top Width (ft)
= 47.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 10.00
8 Ow (t)
195JOD
194JDO
193.00
192.00
191 JDO
190JOD
PIPE 3
H a Depth (t)
275
1.75
075
-025
-125
-225
189JDO i i i i i i i i i i i i i i i i i i i i -3.25
0 5 1 15 2 25 a a5 4� 45 5� 55 so 85 7 75 8 85 a 5
- CircularCulvert - HGL Embank
Reach fft!