2016-05-03_PERMIT FILE - C1981008 ‎(9)‎

• Permit No: C1981008
• IBM Index Class Name: Permit File
• Doc Date: 5/3/2016
• Doc Name: Pond 009 Postmining SEDCAD Modeling
• Section_Exhibit Name: Section 2.05.3‎(3)‎ Attachment 2.05.3‎(3)‎-30
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detail:
Structure #5 (Vegetated Channel)
C23 ditch
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom R nce
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%)
Width (ft) Ratio Ratio Class
Classes
Mult. x
Depth (ft) % of Depth
Velocity
(fps)
0.15 cfs
(VxD)
0.15 cfs
4.00 2.0:1 2.0:1 9.3 D, B
0.30
6.0
Vegetated Channel Results:
Structure #4 (Vegetated Channel
C15 ditch
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom R nce
Stability
Class D w/o
Freeboard
Stability
Class D w/
Freeboard
Capacity
Class B w/o
Freeboard
Capacity
Class B w/
Freeboard
Design Discharge:
0.15 cfs
(VxD)
0.15 cfs
4.00 2.0:1 2.0:1 8.9 D, B
Depth:
0.07 ft
0.38 ft
0.21 ft
0.51 ft
Top Width:
4.30 ft
5.50 ft
4.85 ft
6.05 ft
Velocity:
0.47 fps
0.16 fps
X -Section Area:
0.31 sq ft
0.94 sq ft
Hydraulic Radius:
0.072 ft
0.190 ft
Froude Number:
0.31
0.06
Roughness Coefficient:
0.1641
0.9641
Structure #4 (Vegetated Channel
C15 ditch
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom R nce
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%)
Width (ft) Ratio Ratio Classes
Class
Mult. x
Depth (ft) % of Depth
Velocity
(fps)
(VxD)
4.00 2.0:1 2.0:1 8.9 D, B
0.30
6.0
Vegetated Channel Results:
Filename: NH2 Pond 009 Postmine 1024 sedRev.sc4 Printed 03-12-2016
Attachment 2.05.3(3)-30 Revision Date: 3/14/16
Page 14 Revision No.: TR -70