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 45 ft
Inter bench angle 79 deg
Intermediate setback 20 ft
Number of benches 3
Bench height 35 ft
Overall angle 45 deg
Angle of repose 35 deg
>,
~ 2nd Intermediate 6.0 cu.yd./ft length
~ 1st Intermediate 6.0 cu.yd./ft length
a
m Main Bench 30.4 cu.yd./ft length
v Total 6.0 cu.yd./ft length
Holding mass 10.1 ,on'ft length
,~ Scale No scale Mine Life Extension Slope Design
~
~, Drawn: A. Brown 9-Apr-2008 FIGURE 5
Adrian Brown Drawing: 138521-MLE
^°^•^arc.w°~°„s~°i,s ~^~
'30N'°""""
°
°° SLOPE DESIGN -ADVERSE GRANITIC ROCK
"°
°"""
sna~;ve-wavn File: D:\1385 cri15121m1e\4