2008-12-11_PERMIT FILE - C1980007A ‎(22)‎

• 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-2R
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Triangular Nonerodible Channel Inputs:
Material: Shotcrete
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 1.04 cfs
Depth: 0.37 ft 0.40 ft
Top Width: 1.49 ft 1.61 ft
Velocity: 3.75 fps
X-Section Area: 0.28 sq ft
Hydraulic Radius: 0.166 ft
Froude Number: 1.53
•
Structure #48 (Culvert)
C2-12A
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
53.00 5.00 0.0240 3.00 0.00 0.9(
Culvert Results:

•
Design Discharge = 1.29 cfs
Minimum pipe diameter: 1 - 8 inch pipe(s) required
Structure #47 (Nonerodib/e Channel)
D2-3A
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 2.0 0.0170 0.03
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 14.0 _ 0170 0.30
Nonerodible Channel Results:
Filename: MB-2R.sc4
Printed 10-23-2008