SW6210601_Design Calculations (Culvert 2)_20210603

Culvert Report
Hydraflow Express Extension for Autodesk@ Civil 3D@ by Autodesk, Inc. Thursday, May 27 2021
PIPE 2
Invert Elev Dn (ft)
= 186.50
Calculations
Pipe Length (ft)
= 80.00
Qmin (cfs)
= 1.43
Slope (%)
= 0.63
Qmax (cfs)
= 1.43
Invert Elev Up (ft)
= 187.00
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
= 18.0
Shape
= Circular
Highlighted
Span (in)
= 18.0
Qtotal (cfs)
= 1.43
No. Barrels
= 1
Qpipe (cfs)
= 1.43
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 1.18
Culvert Entrance
= Groove end projecting (C)
Veloc Up (ft/s)
= 3.23
Coeff. K,M,c,Y,k
= 0.0045, 2, 0.0317, 0.69, 0.2
HGL Dn (ft)
= 187.47
HGL Up (ft)
= 187.45
Embankment
Hw Elev (ft)
= 187.61
Top Elevation (ft)
= 189.52
Hw/D (ft)
= 0.41
Top Width (ft)
= 46.70
Flow Regime
= Inlet Control
Crest Width (ft)
= 10.00
13 Ow (t)
190JOD
189JDD
IOBJDD
187JOB
186JDD
185JDO
0 1 � 2 a 40
- CircularCulvert - HGL
PIPE 2
50 60 70 80
- Embank
Hw Depth (t)
3JO0
2JDD
liao
ciao
AJOID
-2JDO
90 100 110 120
RBM�h (t)