2012-08-03_PERMIT FILE - C1981012 ‎(2)‎

• Permit No: C1981012
• IBM Index Class Name: Permit File
• Doc Date: 8/3/2012
• Doc Name: West DWDA
• Section_Exhibit Name: Exhibit 19 ‎(22)‎ West DWDA ‎(DWDA #3)‎
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detail.
Structure #21 (Erodible Channel )
Ditch D27
Triangular Erodible Channel Inputs:
Material: Alluvial silts colloidal
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Depth:
Velocity (fps)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
Velocity:
2.0:1 2.0:1 2.0 0.0250
0.30
5.0
Erodible Channel Results:
Filename: Catchment No.2_10 Year Event.sc4
Printed 04 -02 -2012
TR -65 EXH 19(22) -34 04/17/2012
w/o Freeboard w/ Freeboard
Design Discharge:
1.75 cfs
Depth:
0.52 ft 0.82 ft
Top Width:
2.10 ft 3.30 ft
Velocity:
3.20 fps
X- Section Area:
0.55 sq ft
Hydraulic Radius:
0.234 ft
Froude Number:
1.10
Filename: Catchment No.2_10 Year Event.sc4
Printed 04 -02 -2012
TR -65 EXH 19(22) -34 04/17/2012