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
!`nnvrinl?l 4004 _Onn7 D-1 I cnl+,ueh
62
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w/o Freeboard w/ Freeboard
Design Discharge: 0.05 cfs
Depth: 0.13 ft 0.43 ft
Top Width: 0.54 ft 1.74 ft
Velocity: 1.35 fps
X-Section Area: 0.04 sq ft
Hydraulic Radius: 0.060 ft
Froude Number: 0.91
Structure #84 (Erodible Channel)
D2-8B
Triangular Erodible Channel Inputs:
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 7.0 0.0300 0.30 5.5
Erodible Channel Results:

w/o Freeboard w/ Freeboard
Design Discharge: 0.09 cfs
Depth: 0.15 ft 0.45 ft
Top Width: 0.58 ft 1.78 ft
Velocity: 2.12 fps
X-Section Area: 0.04 sq ft
Hydraulic Radius: 0.065 ft
Froude Number: 1.39
Structure #83 (Erodible Chann%j
D2-8A
Triangular Erodible Channel Inputs:
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 9.0 0.0300 0.30 5.5

Erodible Channel Results:
Filename: MB-2R.sc4 Printed 10-23-2008