2008-12-11_PERMIT FILE - C1980007A ‎(17)‎

• 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-1
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
('-,6hf 1 OOA -'>nf)7 P-1o I Crh,-h
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
252.00 30.00 0.0120 2.25 0.00 0.91
Culvert Results:
Design Discharge = 0.70 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
Structure #18 (Nonerodible Channel)
DI-4
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 10.4 0.0170 0.30
Nonerodible Channel Results:
E
w/o Freeboard w/ Freeboard
Design Discharge: 2.61 cfs
Depth: 0.39 ft 0.69 ft
Top Width: 1.54 ft 2.74 ft
Velocity: 8.75 fps
X-Section Area: 0.30 sq ft
Hydraulic Radius: 0.172 ft
Froude Number: 3.51
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
226.00 2.00 0.0120 1.50 0.00 0.90
Structure #17 LCu/vent)
CI-6
Culvert Inputs:
Culvert Results:
Design Discharge = 2.61 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Structure #16 (Nonerodib/e Channel
33
Filename: MB-1.sc4 Printed 10-21-2008