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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w/o Freeboard w/ Freeboard
Design Discharge: 31.69 cfs
Depth: 1.25 ft 1.55 ft
Top Width: 5.00 ft 6.20 ft
Velocity: 10.16 fps
X-Section Area: 3.12 sq ft
Hydraulic Radius: 0.558 ft
Froude Number: 2.27
Structure #44 [Culvert)
CSL Y-14
Culvert Inputs:
Culvert Results:
Design Discharge = 30.10 cfs
Minimum pipe diameter: 1 - 30 inch pipe(s) required
Structure #43 LCulvert)
CSL Y-15
Culvert Inputs:
•
Culvert Results:
Tailwater Entrance
Length (ft) Slope (%) Manning's n He Max. adwater ft Loss Coef.
(ft) () (Ke)
45.00 5.00 0.0240 3.75 0.00 0.90
Max. Entrance
Tailwater
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) ( ) (Ke)
60.00 5.00 0.0240 6.00 0.00 0.90
Design Discharge = 94.28 cfs
Minimum pipe diameter: 1 - 45 inch pipe(s) required
Structure #42 (Erodible Channel)
DSL Y-9
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
53
Filename: SG-1.sc4 Printed 10-28-2008