2010-11-19_PERMIT FILE - C1980007 ‎(27)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 10 yr - 24 hr ‎(DCW-1A, -1B, -5, CCW-5, DCW-7, -10)‎
• Section_Exhibit Name: Exhibit 66 Clean Water
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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10
w/o Freeboard w/ Freeboard
Froude Number: 1.04
Structure #16 (Erodible Channe /)
DSL Y -IJ
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
Dth (ft)
ep) % of Depth (VxD)
(fps)
1.5:1 1.5:1 7.5 0.0300
0.30
4.0
Erodible Channel Results:
i s
Structure #IS (Erodible Channel)
DSL Y -1I
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
0.21 cfs
Depth:
0.22 ft 0.52 ft
Top Width:
0.66 ft 1.56 ft
Velocity:
2.75 fps
X- Section Area:
0.07 sq ft
Hydraulic Radius:
0.091 ft
Froude Number:
1.46
Structure #IS (Erodible Channel)
DSL Y -1I
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)
1.5:1 1.5:1 5.0 0.0300
0.30
1 4.0
Erodible Channel Results:
•
Filename: DCW10,11,12 CCW10.sc4
Printed 10 -07 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
0.05 cfs
Depth:
0.15 ft 0.45 ft
Top Width:
0.45 ft 1.35 ft
Velocity:
1.75 fps
X- Section Area:
0.03 sq ft
Hydraulic Radius:
0.062 ft
Filename: DCW10,11,12 CCW10.sc4
Printed 10 -07 -2010