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
!`--A,M 4006 _7M7 D-1. I Q,k...ek
60
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
27.00 5.00 0.0240 3.00 0.00 0.90
Design Discharge = 13.87 cfs
Minimum pipe diameter: 1 - 21 inch pipe(s) required
Structure #90 (Cu/vert?
CZ-10
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
388.00 12.00 0.0120 3.75 0.00 0.90
Design Discharge = 13.87 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
• Structure #89 (Nonerodib/e Channe/)
D2-7A
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 10.0 0.0170 0.30
Nonerodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 0.86 cfs
Depth: 0.26 ft 0.56 ft
Top Width: 1.02 ft 2.22 ft
Velocity: 6.54 fps
X-Section Area: 0.13 sq ft
Hydraulic Radius: 0.115 ft
Froude Number: 3.22
0 Structure #88 (Nonerodib/e Channe/)
Filename: MB-2R.sc4 Printed 10-23-2008