SW6210601_Design Calculations (Culvert 1)_20210603

Culvert Report
Hydraflow Express Extension for Autodesk@ Civil 3D@ by Autodesk, Inc. Thursday, May 27 2021
PIPE 1
Invert Elev Dn (ft)
= 174.50
Calculations
Pipe Length (ft)
= 80.00
Qmin (cfs)
= 31.60
Slope (%)
= 0.63
Qmax (cfs)
= 31.60
Invert Elev Up (ft)
= 175.00
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
36.0
Shape
Circular
Highlighted
Span (in)
36.0
Qtotal (cfs)
= 31.60
No. Barrels
1
Qpipe (cfs)
= 31.60
n-Value
0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 5.19
Culvert Entrance
= Groove end projecting (C)
Veloc Up (ft/s)
= 7.00
Coeff. K,M,c,Y,k
= 0.0045, 2, 0.0317, 0.69, 0.2
HGL Dn (ft)
= 176.91
HGL Up (ft)
= 176.83
Embankment
Hw Elev (ft)
= 177.67
Top Elevation (ft)
= 180.47
Hw/D (ft)
= 0.89
Top Width (ft)
= 50.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 10.00
13 Ow (t)
181 JDO
180JOB
179JDO
178JDO
177JDO
176JO0
175.00
174.00
173.00
0
PIPE 1
1� 2� a� 4� 50 60 70 80 90 100 110
CircularCulvert HGL - Embank
H a Depth (ft!
6.00
6JOO
4JDD
3JW
2JaO
1 J00
OJDD
AJDO
-2JDO
120
RBM�h (t)