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
Structure #86 (Culvertl
C2-6
Culvert Inputs:
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 8.53 cfs
Depth: 0.69 ft 0.72 ft
Top Width: 2.76 ft 2.88 ft
Velocity: 8.95 fps
X-Section Area: 0.95 sq ft
Hydraulic Radius: 0.309 ft
Froude Number: 2.69
•
Culvert Results:

Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
126.00 15.00 0.0120 2.00 0.00 0.9(
Design Discharge = 8.53 cfs
Minimum pipe diameter: 1 - 21 inch pipe(s) required
Structure #73 LNonerodib/e Channel)
D2-7CC
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 5.0 0.01701 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 10.0 0.0170 0.30
Nonerodible Channel Results:
Filename: MB-2R.sc4 Printed 10-23-2008