2008-12-11_PERMIT FILE - C1980007A ‎(32)‎

• 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 SG-1 Pond
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
53
•
w/o Freeboard w/ Freeboard
Design Discharge: 10.79 cfs
Depth: 0.83 ft 1.13 ft
Top Width: 3.33 ft 4.53 ft
Velocity: 7.76 fps
X-Section Area: 1.39 sq ft
Hydraulic Radius: 0.373 ft
Froude Number: 2.12
Structure #44 (Cu/vertl
CSL Y-14
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
45.00 5.00 0.0240 3.75 0.00 0.9(
Culvert Results:
Design Discharge = 9.92 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
to Structure #43 (Cu/vent)
CSL Y-15
Culvert Inputs:
Culvert Results:

Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
60.00 5.00 0.0240 6.00 0.00 0.9(
Design Discharge = 12.36 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #42 (Erodible Channe/)
DSL Y-9
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Filename: SG-1.sc4 Printed 10-28-2008