2009-09-21_PERMIT FILE - C1980007A ‎(7)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/21/2009
• Doc Name: 10-Year Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 Pond MB-3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
1000 9rV17 D-1 1 Qnh--h
16
•
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: 0.34 cfs
Depth: 0.25 ft 0.55 ft
Top Width: 0.98 ft 2.18 ft
Velocity: 2.79 fps
X-Section Area: 0.12 sq ft
Hydraulic Radius: 0.110 ft
Froude Number: 1.40
Structure #23 (Erodible Chann%?
D3-4
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
E
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: 1.28 cfs
Depth: 0.37 ft 0.67 ft
Top Width: 1.47 ft 2.67 ft
Velocity: 4.72 fps
X-Section Area: 0.27 sq ft
Hydraulic Radius: 0.164 ft
Froude Number: 1.94
Structure #18 (Nonerodible Channel
D3-4B
D3-413 Nonerodible Channel Inputs:
Material: Concrete
•
Filename: MB-3.sc4
Printed 08-11-2009