2009-09-21_PERMIT FILE - C1980007A ‎(11)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/21/2009
• Doc Name: 100-Year Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 Pond MB-5E
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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72

w/o Freeboard w/ Freeboard
Top Width: 1.01 ft 2.21 ft
Velocity: 10.04 fps
X-Section Area: 0.13 sq ft
Hydraulic Radius: 0.113 ft
Froude Number: 4.98
Structure #49 (Nonerodible Channel)
D2-3D
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 2.0 0.0170 0.03
Nonerodible Channel Results:
•
w/o Freeboard w/ Freeboard
Design Discharge: 1.32 cfs
Depth: 0.41 ft 0.44 ft
Top Width: 1.63 ft 1.75 ft
Velocity: 3.98 fps
X-Section Area: 0.33 sq ft
Hydraulic Radius: 0.182 ft
Froude Number: 1.56
Structure #48 (Culvert)
C2-12A
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) (Ke)
53.00 5.00 0.0240 3.00 0.00 0.9c
Culvert Results:
Design Discharge = 3.47 cfs
Minimum pipe diameter: I - 12 inch pipe(s) required
Structure #47 (Nonerodible Channel)
• D2-3A
Filename: MB-5E(Rev_spillway).sc4 Printed 08-11-2009