Mining Magazine June 2014 | Page 55

Kirkland Lake Gold
Mining significant improvement over the 0.30 ounces per ton the Company was averaging prior to January 2014 ,” says Ogilvie .
The primary methods of achieving these particular results through continuous improvement include tighter dilution control , tighter scrutiny with onsite requests for capital ( managers required to show IRR , payback and NPV ’ s and other justifications on capital requests ), and aggressively looking at new ore sources on our existing land package to feed the mill and lower costs .
In addition , Ogilvie shared a
particularly promising element regarding improved productivity through new equipment : “ We ’ re looking at productivity gains in the mine department . In some areas where we should be more productive , we ordered new electricity powered equipment from Atlas Copco . Typically , all the drilling is done with handheld drills , which operate through compressed air , which is very inefficient and not particularly effective ... so once our new electric drills arrive we think in the second half of the calendar year we should see better productivity .”
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