SW6220702_Design Calculations (Pipe 6)_20220810

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
Monday, Jul 11 2022
PIPE 6
Invert Elev Dn (ft)
= 120.75
Calculations
Pipe Length (ft)
= 50.00
Qmin (cfs)
= 27.41
Slope (%)
= 0.50
Qmax (cfs)
= 27.41
Invert Elev Up (ft)
= 121.00
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
= 30.0
Shape
= Circular
Highlighted
Span (in)
= 30.0
Qtotal (cfs)
= 27.41
No. Barrels
= 1
Qpipe (cfs)
= 27.41
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 6.12
Culvert Entrance
= Square edge w/headwall (C)
Veloc Up (ft/s)
= 7.32
Coeff. K,M,c,Y,k
= 0.0098, 2, 0.0398, 0.67, 0.5
HGL Dn (ft)
= 122.89
HGL Up (ft)
= 122.78
Embankment
Hw Elev (ft)
= 123.92
Top Elevation (ft)
= 124.40
Hw/D (ft)
= 1.17
Top Width (ft)
= 20.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 50.00
Ele (R)
125.oa
124 00
12300
12200
121 00
12000
119 o0
0
PIPE 6
5 10 15 20 25 30 35 40 45 50 55 60 65
C.,W.Cld eM HGL Embank
Hw Eeptn i$i
4.00
300
200
100
000
-100
-200
70
R—ch (t)