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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Left Right Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
2.0:1 2.0:1 6.0 0.0300 0.30 5.5
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 0.33 cfs
Depth: 0.24 ft 0.54 ft
Top Width: 0.98 ft 2.18 ft
Velocity: 2.78 fps
X-Section Area: 0.12 sq ft
Hydraulic Radius: 0.109 ft
Froude Number: 1.40
Structure #23 [Erodible Channel)
D3-4
Triangular Erodible Channel Inputs:
6-1
Material: Graded silts to cobbles when colloidal
Left Right Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) % of
Depth (VxD) (fps)
2.0:1 2.0:1 10.0 0.0300 0.30 5.5
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 0.23 cfs
Depth: 0.19 ft 0.49 ft
Top Width: 0.77 ft 1.97 ft
Velocity: 3.07 fps
X-Section Area: 0.07 sq ft
Hydraulic Radius: 0.086 ft
Froude Number: 1.74
Structure #18 6 onerodible Channe/)
D3-4B
LI
D3-4B Nonerodible Channel Inputs:
Material: Concrete
16
Filename: MB-3.sc4
Printed 10-17-2008