2011-06-29_PERMIT FILE - C1981019A ‎(17)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: West Pit Ditch & Taylor Tributary Ditch Channel Designs ‎(Permanent)‎
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14C
• Media Type: D
• Archive: Yes

•
•
0
SEDCAD 4 for Windows
r —rinhf tooA - ,)nln P-i. i C,h,uah
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope ( %)
De Mult. x
Depth (ft) % of Depth
Ratio Ratio
(VxD)
12.00 3.0:1 3.0:1 25.0
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #10 (El rap Chann
uppr main stem Tay /or Trib
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
Design Discharge:
51.42 cfs
Depth:
0.23 ft 1.23 ft
Top Width:
13.39 ft 19.39 ft
Velocity*:
X- Section Area:
2.94 sq ft
Hydraulic Radius:
0.218 ft
Froude Number *:
Manning's n *:
Dmin:
4.00 in
D50:
12.00 in
Dmax:
15.00 in
Velocity and Manning's n calculations may not apply for this method.
Structure #10 (El rap Chann
uppr main stem Tay /or Trib
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft) Ratio Ratio
Mult. x
Depth (ft) % of Depth
Depth:
(VxD)
12.00 3.0:1 3.0:1 7.2
1.00
Riprap Channel Results:
Filename: taylor trib ditchl0024.sc4
Simons /OSM Method - Steep Slope Design
11
Printed 12 -12 -2010
Exh. 7- 14C -16 Revision Date: 12/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
122.98 cfs
Depth:
0.83 ft 1.83 ft
Top Width:
16.98 ft 22.98 ft
Velocity*:
11
Printed 12 -12 -2010
Exh. 7- 14C -16 Revision Date: 12/31/10
Revision No.: TR -81