2009-09-21_PERMIT FILE - C1980007A ‎(8)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/21/2009
• Doc Name: 25-Year 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
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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: 0.63 cfs
Depth: 0.29 ft 0.59 ft
Top Width: 1.14 ft 2.34 ft
Velocity: 3.85 fps
X-Section Area: 0.16 sq ft
Hydraulic Radius: 0.128 ft
Froude Number: 1.80
•
Structure #6 (Culvert)
C3-1A
Culvert Inputs:
Culvert Results:
Design Discharge = 10.92 cfs
Minimum pipe diameter: 1 - 24 inch pipe(s) required
Structure #5 (Culvert,
C3-ID
Culvert Inputs:
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

Culvert Results:
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
Design Discharge = 1.43 cfs
Minimum pipe diameter: 1 - 8 inch pipe(s) required
Structure #4 (Erodible Channel)
D3-1
Triangular Erodible Channel Inputs:
Filename: MB-3(Rev_spillway).sc4
Printed 08-11-2009