2016-08-08_PERMIT FILE - C1981019A ‎(115)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 8/8/2016
• Doc Name: Sediment Control System Analysis at End of Mining
• Section_Exhibit Name: Volume 18 Exhibit 7 Item 23 Part I
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r'-- inh+ 1000 'M1n D-1, 1
16
Structure Detail:
Structure #39 (Vegetated Channel,
Hdwtrs Badger Ditch
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 (VxD)
Velocity
(fps)
12.00 3.0:1 3.0:1 8.5 D, B
0.37 ft
6.0
Vegetated Channel Results:
Structure #38 (Null
Null Possible future culvert
Structure #37 (Vegetated Channel
Badger Draw above Sec 36 Pond
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Bottom Left Right Retardance
Stability Stability
Class D w/o Class D w/
Freeboard Freeboard
Capacity Capacity
Class B w/o Class B w/
Freeboard Freeboard
Design Discharge:
19.08 cfs
19.08 cfs
Depth:
0.37 ft
0.64 ft
Top Width:
14.22 ft
15.86 ft
Velocity:
3.93 fps
2.13 fps
X -Section Area:
4.85 sq ft
8.96 sq ft
Hydraulic Radius:
0.338 ft
0.557 ft
Froude Number:
1.19
0.50
Roughness Coefficient:
0.0534
0.1381
Structure #38 (Null
Null Possible future culvert
Structure #37 (Vegetated Channel
Badger Draw above Sec 36 Pond
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Bottom Left Right Retardance
Freeboard Freeboard Freeboard
Limiting
Width (ft) Sideslope Sideslope Slope (%) Classes
Ratio Ratio
o
Depth (ft) /o of Depth Mult. x (VxD)
Velocity
(fps)
12.00 3.0:1 3.0:1 8.5 D, B
6.0
Vegetated Channel Results:
Filename Rev 3 PR04 East Side Ponds sed EOM 1024 sc4 Printed 02-13-2016
Exh. 7-231-60 Revision Date: 2/15/2016
Revision No.: PR -04