2008-12-11_PERMIT FILE - C1980007A ‎(35)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 25 Year, 24 Hour Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 Pond MB-3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
19
Minimum pipe diameter: 1 - 6 inch pipe(s) required
• Structure #11 (Nonerod/ble Channel)
D3-1A
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 0.0170 0.30
Nonerodible Channel Results:
•
w/o Freeboard w/ Freeboard
Design Discharge: 4.85 cfs
Depth: 0.62 ft 0.92 ft
Top Width: 2.46 ft 3.66 ft
Velocity: 6.42 fps
X-Section Area: 0.76 sq ft
Hydraulic Radius: 0.275 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:
A
w/o Freeboard w/ Freeboard
Design Discharge: 0.14 cfs
Depth: 0.18 ft 0.48 ft
Top Width: 0.70 ft 1.90 ft
Velocity: 2.28 fps
X-Section Area: 0.06 sq ft
Hydraulic Radius: 0.079 ft
Froude Number: 1.35
Filename: MB-3.sc4 Printed 10-21-2008