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
70
C2-11A
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
104.00 5.00 0.0240 2.25 0.00 0.90
Design Discharge = 1.27 cfs
Minimum pipe diameter: 1 - 8 inch pipe(s) required
Structure #62 (Cu/vert)
C2-11
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
81.00 5.00 0.0240 6.00 0.00 0.90
Culvert Results:
Design Discharge = 22.05 cfs
Minimum pipe diameter: 1 - 21 inch pipe(s) required
Structure #61 (Nonerodib/e Channel)
D2-4A
Triangular Nonerodible Channel Inputs:
Material: Shotcrete
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 17.0 0.0170 0.30
Nonerodible Channel Results:

w/o Freeboard w/ Freeboard
Design Discharge: 0.74 cfs
Depth: 0.22 ft 0.52 ft
Top Width: 0.88 ft 2.08 ft
Velocity: 7.70 fps
X-Section Area: 0.10 sq ft
Hydraulic Radius: 0.098 ft
Froude Number: 4.09
Filename: MB-2R.sc4 Printed 10-23-2008