SW6220602_Design Calculations (Culvert 2)_20220810

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc. Thursday, Jul 7 2022
PIPE 2
Invert Elev Dn (ft)
= 133.60
Calculations
Pipe Length (ft)
= 56.00
Qmin (cfs)
= 13.40
Slope (%)
= 0.54
Qmax (cfs)
= 13.40
Invert Elev Up (ft)
= 133.90
Tailwater Elev (ft)
= (dc+D)/2
Rise (in)
= 24.0
Shape
= Circular
Highlighted
Span (in)
= 24.0
Qtotal (cfs)
= 13.40
No. Barrels
= 1
Qpipe (cfs)
= 13.40
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 4.81
Culvert Entrance
= Square edge w/headwall (C)
Veloc Up (ft/s)
= 6.08
Coeff. K,M,c,Y,k
= 0.0098, 2, 0.0398, 0.67, 0.5
HGL Dn (ft)
= 135.26
HGL Up (ft)
= 135.22
Embankment
Hw Elev (ft)
= 135.97
Top Elevation (ft)
= 136.40
Hw/D (ft)
= 1.03
Top Width (ft)
= 20.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 5.00
Ele (R)
137.00
135 m
135A0
134 0D
133AD
132 M
0
PIPE 2
Hai Depth (R)
3.10
2.10
1.10
0.10
-090
-190
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 00
— [Qraiar Qlverl HGL Embank
Rmrh (R)