2009-09-04_PERMIT FILE - C1982056 ‎(4)‎

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 9/4/2009
• Doc Name: MAIN NORTH INTAKE SHAFT
• Section_Exhibit Name: Exhibit 08X 6-ain North Intake Shaft Drainage Designs
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
r'.—,,inhf I QQA -9007 P-1� I Q,hu-K
0
Left Right
Bottom Retardance
Freeboard
Freeboard Freeboard
i Limitin g
Sideslope Sideslope Slope Classes
Width (ft)
Ratio Ratio
Depth (ft) % of Depth Mu It. x
Velocity
(fps)
6.99 ds
0.38 ft
13.50 ft
1.46 fps
(VxD)
6.99 cfs
12.00 2.0:1 2.0:1 2.0 D, B
0.30
5.0
Vegetated Channel Results:
•
•
Filename: 25 yr 24 hr Perimeter Drainage Ditches with Vegetated Spillway Channel.sc4 Printed 04-24-2009
Stability
Class D w/o
Freeboard
Stability
Class D w/
Freeboard
Capacity
Class B w/o
Freeboard
Capacity
Class B w/
Freeboard
Design Discharge:
Depth:
Top Width:
Velocity:
6.99 ds
0.38 ft
13.50 ft
1.46 fps
0.68 ft
14.70 ft
6.99 cfs
0.74 ft
1.04 ft
14.98 ft
16.18 ft
—
0.70 fps
X- Section Area:
4.79 sq ft
10.05 sq ft
Hydraulic Radius:
0.350 ft
0.656 ft
Froude Number:
0.43
0.15
Roughness Coefficient:
0.0716
0.2286
•
•
Filename: 25 yr 24 hr Perimeter Drainage Ditches with Vegetated Spillway Channel.sc4 Printed 04-24-2009