2009-09-21_PERMIT FILE - C1980007A ‎(7)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/21/2009
• Doc Name: 10-Year Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 Pond MB-3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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19
Minimum pipe diameter: 1 - 6 inch pipe(s) required
• Structure #11(Nonerodible C17annel1
D3-IA
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Manning's n Mult. x
Ratio Ratio Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 3.0 0.01701 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 4.70 cfs
Depth: 0.61 ft 0.91 ft
Top Width: 2.43 ft 3.63 ft
Velocity: 6.37 fps
X-Section Area: 0.74 sq ft
Hydraulic Radius: 0.272 ft
Froude Number: 2.04
•
Structure #10 (Nonerodible Channel)
D3-3
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Manning's n Mult. x
Ratio Ratio Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 2.0 0,0170 0.30
Nonerodible Channel Results:

w/o Freeboard w/ Freeboard
Design Discharge: 0.11 cfs
Depth: 0.16 ft 0.46 ft
Top Width: 0.64 ft 1.84 ft
Velocity: 2.13 fps
X-Section Area: 0.05 sq ft
Hydraulic Radius: 0.071 ft
Froude Number: 1.33
Filename: MB-3.sc4 Printed 08-11-2009