SW6220902_Design Calculations (Culvert)_20221102

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
LISMORE NOOK CROSSING
Invert Elev Dn (ft)
Pipe Length (ft)
Slope (%)
Invert Elev Up (ft)
Rise (in)
Shape
Span (in)
No. Barrels
n-Value
Culvert Type
Culvert Entrance
Coeff. K,M,c,Y,k
Embankment
Top Elevation (ft)
Top Width (ft)
Crest Width (ft)
El- (ft)
189.00
19700
185.00
183.00
181.00
179.00
177.00
175.OD
173.00
= 175.50
= 86.42
= 0.81
= 176.20
= 78.0
= Box
= 156.0
= 1
= 0.012
= Flared Wingwalls
= 30D to 75D wingwall flares
= 0.026, 1, 0.0347, 0.81, 0.4
= 188.53
= 60.00
= 150.00
LISN10RE NOOK CROSSING
Box CW-It HGL Embank
Calculations
Qmin (cfs)
Qmax (cfs)
Tailwater Elev (ft)
Highlighted
Qtotal (cfs)
Qpipe (cfs)
Qovertop (cfs)
Veloc Dn (ft/s)
Veloc Up (ft/s)
HGL Dn (ft)
HGL Up (ft)
Hw Elev (ft)
Hw/D (ft)
Flow Regime
Tuesday, Feb 1 2022
= 677.00
= 677.00
= (dc+D)/2
= 677.00
= 677.00
= 0.00
= 9.57
= 11.89
= 180.94
= 180.58
= 183.67
= 1.15
= Inlet Control
H-, Depth (fh
12.30
1080
810
6 80
4.80
2.80
0.60
-1.20
-3.20
Reach (ft!