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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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 12.4 0.0300 1 0.30 5.5
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 0.56 cfs
Depth: 0.26 ft 0.56 ft
Top Width: 1.04 ft 2.24 ft
Velocity: 4.17 fps
X-Section Area: 0.14 sq ft
Hydraulic Radius: 0.116 ft
Froude Number: 2.04
ILJ
Structure #40 (Cu/vent)
CSL Y-13
Culvert Inputs:
Culvert Results:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
50.00 5.00 0.0240 2.25 0.00 0.9c
Design Discharge = 0.56 cfs
Minimum pipe diameter: 1 - 6 inch pipe(s) required
Structure #41 LErodible Channel)
DSL Y-8A
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 10.4 0.0300 0.30 5.5
Erodible Channel Results:
•
w/o Freeboard w/ Freeboard
Design Discharge: 4.66 cfs
Depth: 0.59 ft 0.89 ft
Top Width: 2.38 ft 3.58 ft
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Filename: SG-1.sc4 Printed 10-28-2008