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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74
•
w/o Freeboard w/ Freeboard
Design Discharge: 0.32 cfs
Depth: 0.17 ft 0.47 ft
Top Width: 0.67 ft 1.87 ft
Velocity: 5.17 fps
X-Section Area: 0.06 sq ft
Hydraulic Radius: 0.075 ft
Froude Number: 3.15
Structure #44 (Nonerodible Channel)
D2 3K
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 3.0 0.0170 0.30
Nonerodible Channel Results:
•
w/o Freeboard w/ Freeboard
Design Discharge: 0.31 cfs
Depth: 0.22 ft 0.52 ft
Top Width: 0.88 ft 2.08 ft
Velocity: 3.24 fps
X-Section Area: 0.10 sq ft
Hydraulic Radius: 0.099 ft
Froude Number: 1.72
Structure #43 (Culvert1
C2-12C
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) O (Ke)
35.00 5.00 0.0240 1.00 0.00 0.9c
Culvert Results:
Design Discharge = 0.31 cfs
• Minimum pipe diameter: 1 - 6 inch pipe(s) required
Structure #42 (Nonerodib/e Channe/)
Filename: MB-5E(Rev_spillway).sc4 Printed 08-11-2009