2008-12-11_PERMIT FILE - C1980007A ‎(24)‎

• 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-3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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21
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: 0.29 cfs
Depth: 0.21 ft 0.51 ft
Top Width: 0.85 ft 2.05 ft
Velocity: 3.16 fps
X-Section Area: 0.09 sq ft
Hydraulic Radius: 0.095 ft
Froude Number: 1.71
•
Structure #6 (Cu/vert1
C3-1A
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
71.00 5.00 0.0240 2.00 0.00 0.90
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
260.00 3.00 0.0120 3.00 0.00 0.90
Design Discharge = 3.77 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Structure #5 (Cu/vert?
C3-1D
Culvert Inputs:
Culvert Results:
Design Discharge = 0.68 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
Structure #4 (Erodible Channel)
Filename: MB-3.sc4 Printed 10-17-2008