SW6220602_Design Calculations (Culvert 5)_20220810

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc. Thursday, Jul 7 2022
PIPE 5
Invert Elev Dn (ft)
= 130.85
Calculations
Pipe Length (ft)
= 56.00
Qmin (cfs)
= 8.12
Slope (%)
= 0.54
Qmax (cfs)
= 8.12
Invert Elev Up (ft)
= 131.15
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
= 18.0
Shape
= Circular
Highlighted
Span (in)
= 18.0
Qtotal (cfs)
= 8.12
No. Barrels
= 1
Qpipe (cfs)
= 8.12
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 4.99
Culvert Entrance
= Square edge w/headwall (C)
Veloc Up (ft/s)
= 5.83
Coeff. K,M,c,Y,k
= 0.0098, 2, 0.0398, 0.67, 0.5
HGL Dn (ft)
= 132.15
HGL Up (ft)
= 132.25
Embankment
Hw Elev (ft)
= 132.99
Top Elevation (ft)
= 133.22
Hw/D (ft)
= 1.23
Top Width (ft)
= 20.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 5.00
Ele (R)
134.00
133A0
132A0
131 0D
130.00
129 OO
0
PIPE 5
Hai Depth (R)
2.85
1 jB5
0 ®S
-0.16
-1.16
-2 15
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 00
— CSraiar Qlverl HGL Embank
Rmrh (t)