2008-12-11_PERMIT FILE - C1980007A ‎(33)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 100 Year, 24 Hour Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 SG-1 Pond
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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52
Culvert Inputs:

Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) O (Ke)
42.00 5.00 0.0240 3.75 0.00 0.91
Design Discharge = 3.29 cfs
Minimum pipe diameter: 1 - 10 inch pipe(s) required
Structure #46 (Erodible Channell
DSL Y-10
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)
1.0:1 3.0:1 7.2 0.03001 0.30 5.5
•
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 1.59 cfs
Depth: 0.42 ft 0.72 ft
Top Width: 1.70 ft 2.90 ft
Velocity: 4.40 fps
X-Section Area: 0.36 sq ft
Hydraulic Radius: 0.190 ft
Froude Number: 1.68
Structure #45 (Erodible Channel)
DSL )1-19
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
Depth (ft) % of
Ratio Ratio Depth (VxD) (fps)
1.0:1 3.0:1 9.1 0.03001 0.30 5.5
Erodible Channel Results:
G
Filename: SG-1.sc4 Printed 10-28-2008