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
1000 - lM7 D-1 I Crl+,..e L.
DSL Y-12
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 2.1 0.03001 0.30 5.5
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 0.85 cfs
Depth: 0.42 ft 0.72 ft
Top Width: 1.70 ft 2.90 ft
Velocity: 2.38 fps
X-Section Area: 0.36 sq ft
Hydraulic Radius: 0.190 ft
Froude Number: 0.91
Structure #50 (Erodible Channe/)
DSL Y-11
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)
Ratio Ratio % of Depth (VxD) (fps)
1.0:1 3.0:1 4.4 0.0300 0.30 5.5
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge: 2.44 cfs
Depth: 0.55 ft 0.85 ft
Top Width: 2.19 ft 3.39 ft
Velocity: 4.08 fps
X-Section Area: 0.60 sq ft
Hydraulic Radius: 0.245 ft
Froude Number: 1.37
Structure #49 LCu/vertJ
CSL Y-17
51
Filename: SG-1.sc4 Printed 10-28-2008