2008-12-11_PERMIT FILE - C1980007A ‎(21)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 10 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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93
Structure #6 LNonerodib/e Channel)
D2R-4A
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 11.0 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 7.74 cfs
Depth: 0.57 ft 0.87 ft
Top Width: 2.29 ft 3.49 ft
Velocity: 11.73 fps
X-Section Area: 0.66 sq ft
Hydraulic Radius: 0.256 ft
Froude Number: 3.86
Structure #5 (Culvert)
C2R-3
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
67.00 5.00 0.0240 3.00 0.00 0.9(
Design Discharge = 7.74 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
Structure #4 (Nonerodible Channel)
D2R-3
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
•
Filename: MB-2R.sc4 Printed 10-23-2008