2010-11-19_PERMIT FILE - C1980007 ‎(28)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 100 yr - 24 hr ‎(DCW-1A, -1B -5, CCW-5, DCW-6, -7, -9, -10)‎
• Section_Exhibit Name: Exhibit 66 Clean Water
• Media Type: D
• Archive: No

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SEDCAD 4 for Windows
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w/o Freeboard w/ Freeboard
X- Section Area: 0.64 sq ft
Hydraulic Radius: 0.273 ft
Froude Number: 1.87
Structure #18 (Erodible Channel)
DSL Y -1 F
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
De Mult. x
pth (ft) % of Depth
Velocity
(fps)
Ratio Ratio
(VxD)
Velocity:
1.5:1 1.5:1 7.5 0.0300
0.30
4.0
Erodible Channel Results:
•
Structure #17 (Erodib le Channe/)
DSL Y -1 G
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
0.30 cfs
Depth:
0.25 ft 0.55 ft
Top Width:
0.76 ft 1.66 ft
Velocity:
3.02 fps
X- Section Area:
0.10 sq ft
Hydraulic Radius:
0.105 ft
Froude Number:
1.50
Structure #17 (Erodib le Channe/)
DSL Y -1 G
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
De Mult. x
pth (ft) % of Depth
Velocity
(fps)
Ratio Ratio
(VxD)
Velocity:
1.5:1 1.5:1 3.7 0.0300
0.30
1 4.0
Erodible Channel Results:
•
P1
Filename: DCW10,11,12 CCW10.sc4
Printed 10 -07 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
2.40 cfs
Depth:
0.64 ft 0.94 ft
Top Width:
1.91 ft 2.81 ft
Velocity:
3.95 fps
P1
Filename: DCW10,11,12 CCW10.sc4
Printed 10 -07 -2010