2008-04-15_REVISION - M1980244 ‎(191)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 4/15/2008
• Doc Name: VOL IV APP 5 Surface Mine Slope Design
• From: CC & V
• To: DRMS
• Type & Sequence: AM9
• Media Type: D
• Archive: No

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Horizontal Distance (ft)
As Mined - - - -Average Slope ~
Parameter Mined
Berm width 40 ft
Inter bench angle 79 deg
Intermediate setback 15 ft
Number of benches 3
Bench height 35 ft
Overall angle 50 deg
Angle of repose 35 deg
>, 2nd Intermediate 3.2 cu.yd./ft length
~~ 1st Intermediate 3.2 cu.yd./ft length
U Main Bench 24.0 cu.yd./ft length
Total 3.2 cu.yd.lft length
Holding mass 5 -~
Scale No scale
~f~ Drawn: A. Brown 9-Apr-2008
Adrian Brown Drawing: 138521-MLE
Wnan Brown Consul•ac!s, Inc
30 "'"' °"' "~' °'n"°` °° File: D:11385 cri15~2\m1e14
:W:f ti9B~90tl0
Mine Life Extension S
FIGURE 4
SLOPE DESIGN -DRY GRANITIC ROCK