SW5210602_Design Calculations_20210824

Channel Report
Hydraflow Express Extension for Autodesk0 AutoCADO Civil 3D0 by Autodesk, Inc.
Monday, Aug 23 2021
Northern Roadside
Ditch to Temporary Diversion
Ditch
Trapezoidal
Highlighted
Bottom Width (ft)
= 3.00
Depth (ft)
= 0.48
Side Slopes (z:1)
= 3.00, 3.00
Q (cfs)
= 6.620
Total Depth (ft)
= 2.00
Area (sqft)
= 2.13
Invert Elev (ft)
= 275.00
Velocity (ft/s)
= 3.11
Slope (%)
= 1.70
Wetted Perim (ft)
= 6.04
N-Value
= 0.030
Crit Depth, Yc (ft)
= 0.46
Top Width (ft)
= 5.88
Calculations
EGL (ft)
= 0.63
Compute by:
Known Q
Known Q (cfs)
= 6.62
Elev (ft) Section
278.00
277.50
277.00
276.50
276.00
275.50
275.00
274.50
Depth (ft)
3.00
2.50
2.00
1.50
1.00
0.50
n sn
2 4 6 8 10 12 14 16 18 20 V vV
Reach (ft)