2008-12-11_PERMIT FILE - C1980007A ‎(22)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 25 Year, 24 Hour Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 Pond MB-2R
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
P-...inh4 1000 _9M7 D-1. I Cnh-h
62
w/o Freeboard w/ Freeboard
Design Discharge: 0.36 cfs
Depth: 0.28 ft 0.58 ft
Top Width: 1.13 ft 2.33 ft
Velocity: 2.21 fps
X-Section Area: 0.16 sq ft
Hydraulic Radius: 0.127 ft
Froude Number: 1.04
Structure #84 (Erodible Channe/)
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: 0.13 cfs
Depth: 0.17 ft 0.47 ft
Top Width: 0.68 ft 1.88 ft
Velocity: 2.36 fps
X-Section Area: 0.06 sq ft
Hydraulic Radius: 0.076 ft
Froude Number: 1.43
Structure #83 (Erodible Channel)
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