2007-10-30_PERMIT FILE - C1982057A

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 10/30/2007
• Section_Exhibit Name: Tab 20 Attachment 20-1 Part 2
• Media Type: D
• Archive: Yes

SEDCAD 4.0
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II-W: Channel PM-2A TRM Design - 29% Slope,
Capacity Analysis
Material: Vegetated w/ TRM
Trapezoidal Channel
Left Right
Retardance
B
tt Freeboard Freeboard Freeboard Limiting
Velocity
o
om Sideslope Sideslope Slope (%)
Classes
Width (ft)
ti
R Mult. x
Depth (ft) % of Depth (VxD) (fps)
a
o
Ratio
3.00 4.0:1 4.0:1 29.0 D, B 0.30 10.0
Stability
Class D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
Class B w/o
Freeboard Capacity
Class B w/
Freeboard
Design Discharge: 6.63 cfs 6.63 cfs
Depth: 0.29 ft 0.59 ft 0.51 ft 0.81 ft
Top Width: 5.34 ft 7.74 ft 7.10 ft 9.50 ft
Velocity: 5.42 fps 2.56 fps
X-Section Area: 1.22 sq ft 2.59 sq ft
Hydraulic Radius: 0.226 0.358
Froude Number: 2.00 0.75
Roughness Coefficient: 0.0548 0.1582
•
•

SEDCAD Utility Run Printed 05-02-2007
TR-59 20-1-175 Revised 05/07