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 Retardance
Bottom
w/o Freeboard w/ Freeboard
Depth:
0.03 ft
Top Width:
12.13 ft
Velocity*:
(VxD)
X -Section Area:
0.38 sq ft
Hydraulic Radius:
0.032 ft
Froude Number*:
2.02 fps
Manning's n*:
X -Section Area:
Dmin:
3.00 in
D50:
Dmax:
9.00 in
11.25 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 Retardance
Bottom
Freeboard Freeboard Freeboard
Limiting
Width (ft) Sideslope Sideslope Slope (%) Classes
Ratio Ratio
o
Depth (ft) /o of Depth Mult. x
Velocity
s
(f P )
Depth:
(VxD)
0.57 ft
12.00 2.0:1 2.0:1 5.0 D, B
13.17 ft
7.0
Vegetated Channel Results:
Structure #9 LNull�
Structure #8 (Vegetated Channel
0 D1 Upper Ditch
Trapezoidal Vegetated Channel Inputs:
Filename: PR04 West Side Ponds 1024 rev2.sc4 Printed 07-30-2015
Exh. 7-23C-23 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:
7.44 cfs
7.44 cfs
Depth:
0.29 ft
0.57 ft
Top Width:
13.17 ft
14.28 ft
Velocity:
2.02 fps
0.99 fps
X -Section Area:
3.67 sq ft
7.49 sq ft
Hydraulic Radius:
0.276 ft
0.515 ft
Froude Number:
0.68
0.24
Roughness Coefficient:
0.0696
0.2152
Structure #9 LNull�
Structure #8 (Vegetated Channel
0 D1 Upper Ditch
Trapezoidal Vegetated Channel Inputs:
Filename: PR04 West Side Ponds 1024 rev2.sc4 Printed 07-30-2015
Exh. 7-23C-23 Revision Date: 07/31/2015
Revision No.: PR -04