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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Structure #9 (Culvert)
• C3-.1C
Culvert Inputs:

Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
20.00 5.00 0.0240 1.00 0.00 0.9(
Design Discharge = 0.11 cfs
Minimum pipe diameter: 1 - 4 inch pipe(s) required
Structure #8 Ll onerodible Channel)
D3-3A
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: 0.18 cfs
Depth: 0.18 ft 0.48 ft
Top Width: 0.70 ft 1.90 ft
Velocity: 2.79 fps
X-Section Area: 0.06 sq ft
Hydraulic Radius: 0.079 ft
Froude Number: 1.66
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Structure #7 (Nonerodible Channel)
D3-3B
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
20
Filename: MB-3.sc4 Printed 08-11-2009