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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Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Manning's n Mult. x
Ratio Ratio Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 5.0 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 3.43 cfs
Depth: 0.49 ft 0.79 ft
Top Width: 1.96 ft 3.16 ft
Velocity: 7.13 fps
X-Section Area: 0.48 sq ft
Hydraulic Radius: 0.220 ft
Froude Number: 2.54
is
Structure #79 (Culvert)
C2-8A
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
31.00 5.00 0.0240 2.25 0.00 0.9(
Design Discharge = 3.43 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Structure #78 (Cu/vent)
C2-8
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
266.00 5.00 0.0240 2.25 0.00 0.91
Design Discharge = 3.43 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Structure #77 (Nonerodib/e Channel)
D2-8
0 Triangular Nonerodible Channel Inputs:
Filename: MB-2R.sc4 Printed 10-23-2008