2013-04-08_PERMIT FILE - C1981019A ‎(2)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 4/8/2013
• Doc Name: East Pit Recl Sequencing & Ditch Designs for Prospect Ditch, N Tribut E Pit Ditch & Final E Pit Ditc
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14R
• Media Type: D
• Archive: Yes

Structure #18 LRWrao Channel)
Channel E Pit and N Trib to jct w contour
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Stability
Class D w/o
Freeboard
Stability
Class D w/
Freeboard
Capacity
Class B w/o
Freeboard
Capacity
Class B w/
Freeboard
Top Width:
12.86 ft
16.86 ft
13.60 ft
17.60 ft
Velocity:
3.82 fps
Hydraulic Radius:
2.00 fps
Froude Number *:
X- Section Area:
2.67 sq ft
5.11 sq ft
3.00 in
Hydraulic Radius:
0.206 It
Dmax:
0.370 ft
Froude Number:
1.48
0.57
Roughness Coefficient:
0.0627
0.1771
Structure #18 LRWrao Channel)
Channel E Pit and N Trib to jct w contour
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
35.36 cfs
Width (ft) Ratio Ratio
Depth (ft) % of Depth Mult, x (VxD)
12.00 2.0:1 2.0:1 24.0
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #40 (Null
16
Filename: NTEP and Final East Pit Ditches 1024 2017 REV 1.sc4 Printed 03 -26 -2013
Exh. 7- 14R -35 Revision Date: 3/27/2013
Revision No.: TR -97
w/o Freeboard w/ Freeboard
Design Discharge:
35.36 cfs
Depth:
0.18 ft 1.18 ft
Top Width:
12.71 ft 16.71 ft
Velocity*:
X- Section Area:
2.20 sq ft
Hydraulic Radius:
0.172 ft
Froude Number *:
Manning's n *:
Dmin:
3.00 in
D50:
9.00 in
Dmax:
11.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #40 (Null
16
Filename: NTEP and Final East Pit Ditches 1024 2017 REV 1.sc4 Printed 03 -26 -2013
Exh. 7- 14R -35 Revision Date: 3/27/2013
Revision No.: TR -97