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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65
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 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 7.66 cfs
Depth: 0.66 ft 0.96 ft
Top Width: 2.65 ft 3.85 ft
Velocity: 8.71 fps
X-Section Area: 0.88 sq ft
Hydraulic Radius: 0.297 ft
Froude Number: 2.67
0
Structure #76 (Cu/vent)
C2-7A
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
29.00 5.00 0.0240 3.00 0.00 0.90
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater O ft Loss Coef.
37.00 5.00 0.0240 (ft) 3.00 0.00 (Ke) 0.90
Design Discharge = 7.66 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
(Culvert)
Structure #75
C2-7
Culvert Inputs:
Culvert Results:
Design Discharge = 8.02 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
Structure #74 (Nonerodib/e Channel)
• D2-7C
Filename: MB-2R.sc4 Printed 10-23-2008