2016-08-08_PERMIT FILE - C1981019A ‎(63)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 8/8/2016
• Doc Name: Sedimwent Pond and Associated Modeling During Mining
• Section_Exhibit Name: Volume 18 Exhibit 7 Item 23 Part C
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
0
Velocity and Manning's n calculations may not apply for this method.
Structure #10 (Vegetated Channel
D1 Uppermost section
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom R nce
w/o Freeboard w/ Freeboard
Design Discharge:
31.91 cfs
Depth:
0.11 ft
Top Width:
12.43 ft
Velocity*:
12.00 2.0:1 2.0:1 5.0 D, B
X -Section Area:
1.32 sq ft
Hydraulic Radius:
0.105 ft
Froude Number*:
X -Section Area:
Manning's n*:
11.06 sq ft
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 (Vegetated Channel
D1 Uppermost section
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom R nce
Freeboard
Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Classes
Width (ft) Ratio Ratio Class
C
Mult. x
Depth (ft) % of Depth
Velocity
(fps)
Depth:
(VxD)
0.81 ft
12.00 2.0:1 2.0:1 5.0 D, B
13.93 ft
7.0
Vegetated Channel Results:
Structure #9 (Null
Structure #8 (Vegetated Channel
D1 Upper Ditch
Filename: PR04 West Side Ponds 10024 NSrevl.sc4 Printed 07-30-2015
Exh. 7-23C-38 Revision Date: 07/31/2015
Revision No.: PR -04
Stability Stability
Class D w/o Class D w/
Freeboard Freeboard
Capacity Capacity
Class B w/o Class B w/
Freeboard Freeboard
Design Discharge:
24.49 cfs
24.49 cfs
Depth:
0.48 ft
0.81 ft
Top Width:
13.93 ft
15.25 ft
Velocity:
3.91 fps
2.21 fps
X -Section Area:
6.26 sq ft
11.06 sq ft
Hydraulic Radius:
0.442 ft
0.708 ft
Froude Number:
1.03
0.46
Roughness Coefficient:
0.0493
0.1194
Structure #9 (Null
Structure #8 (Vegetated Channel
D1 Upper Ditch
Filename: PR04 West Side Ponds 10024 NSrevl.sc4 Printed 07-30-2015
Exh. 7-23C-38 Revision Date: 07/31/2015
Revision No.: PR -04