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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•
0
w/o Freeboard w/ Freeboard
Design Discharge: 4.13 cfs
Depth: 0.00 ft
Top Width: 0.00 ft
Velocity: 0.00 fps
X-Section Area: 0.00 sq ft
Hydraulic Radius: 0.000 ft
Froude Number: 0.00
Manning's n: 0.0000
Dmin: 3.00 in
D50: 0.00 in
Dmax: 9.00 in
Structure #15 Erodible Channel)
D2R-2A
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 2.0 0.0300 0.30 5.5
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 4.95 cfs
Depth: 0.83 ft 1.13 ft
Top Width: 3.31 ft 4.51 ft
Velocity: 3.62 fps
X-Section Area: 1.37 sq ft
Hydraulic Radius: 0.370 ft
Froude Number: 0.99
Structure #14 (Culvert)
C2R-2
Culvert Inputs:
0 Culvert Results:
Max. Entrance
Tailwater
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
47.00 5.00 0.0240 4.50 0.00 0.9c
89
Filename: MB-2R.sc4 Printed 10-23-2008