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 #10 (Rip/ ap Channell
Ditch D41
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope ( %)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
3.00 1.5:1 1.5:1 12.0
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Filename: Catchment No.2 100 Year Event- DWDA3.sc4
Printed 04 -09 -2012
TR -65 EXH 19(22) -17 04/17/2012
w/o Freeboard w/ Freeboard
Design Discharge:
12.21 cfs
Depth:
Top Width:
0.25 ft 1.25 ft
3.75 ft 6.75 ft
Velocity *:
X- Section Area:
0.84 sq ft
Hydraulic Radius:
0.215 ft
Froude Number *:
Manning's n *:
Dmin:
5.00 in
D50:
15.00 in
Dmax:
18.75 in
Velocity and Manning's n calculations may not apply for this method.
Filename: Catchment No.2 100 Year Event- DWDA3.sc4
Printed 04 -09 -2012
TR -65 EXH 19(22) -17 04/17/2012