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 #16 (Riprap Channel)
Ditch D44 (496)
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 4.0
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Filename: Catchment No.2 100 Year Event- DWDA3.sc4
Printed 04 -09 -2012
TR -65 EXH 19(22) -21 04/17/2012
w/o Freeboard
w/ Freeboard
Design Discharge:
5.20 cfs
Depth:
0.38 ft
0.68 ft
Top Width:
4.15 ft
5.05 ft
Velocity:
3.81 fps
X- Section Area:
1.36 sq ft
Hydraulic Radius:
0.312 ft
Froude Number:
1.17
Manning's n:
0.0360
Dmin:
D50:
1.00 in
1.50 in
No Riprap required
Dmax:
3.00 in
Filename: Catchment No.2 100 Year Event- DWDA3.sc4
Printed 04 -09 -2012
TR -65 EXH 19(22) -21 04/17/2012