2008-12-11_PERMIT FILE - C1980007A ‎(21)‎

• 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-2R
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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67
•
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 12.5 0.01701 0.30
Nonerodible Channel Results:
E
w/o Freeboard w/ Freeboard
Design Discharge: 6.23 cfs
Depth: 0.54 ft 0.84 ft
Top Width: 2.15 ft 3.35 ft
Velocity: 10.72 fps
X-Section Area: 0.58 sq ft
Hydraulic Radius: 0.241 ft
Froude Number: 3.64
Structure #72 (Nonerodib/e Channe/J
D2-7
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
w/o Freeboard w/ Freeboard
Design Discharge: 7.76 cfs
Depth: 0.56 ft 0.86 ft
Top Width: 2.24 ft 3.44 ft
Velocity: 12.32 fps
X-Section Area: 0.63 sq ft
Hydraulic Radius: 0.251 ft
Froude Number: 4.10
Structure #71 LCulvert)
C2-5
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
53.00 5.00 0.0240 (ft) 2.25 0.00 (Ke) 0.90
Design Discharge = 7.97 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
• Structure #70 (Nonerodib/e Channel)
Filename: MB-2R.sc4 Printed 10-23-2008