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Conference Proceedings

Mining Risk Management

Conference Proceedings

Mining Risk Management

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Managing the Risk During Mine Closure and Beyond

Placer Dome Asia Pacific operates eight mines in the region and has two closed operations that are either under rehabilitation or at the latter stage of care, monitoring and maintenance. All operating mines are scheduled to close within the next ten years based on current proven reserves. Mine closure planning and associated risk assessments are integrated into both strategic planning and day-to-day operations within the Placer Dome group. Mine closure is all about predicting the potential risks and Placer Dome's knowledge has improved following the planned closure at Kidston Gold mine in North Queensland. Planning for closure commenced in earnest in 1994, and focused on identifying the issues and associated potential risk to the environment, and ensuring that the most suitable control measures were implemented leading up to and following closure in July 2001. At all times during the process of planning, implementation, safety contractor management and post closure, the identification of risk and potential threats to the business have been identified and managed. Post closure risk assessment of rehabilitation strategies potential to fail has been completed in conjunction with URS and opportunities to manage these potential failures in perpetuity will be discussed along with lease surrender. Misima Mines is currently processing low-grade ore and plans to close in 2004. Planning for closure has been ongoing for several years with a focus on the social aspects and the impact of the mine closing on a remote island community. Misima Mines has assessed the risk profiles using a community closure focus group, to identify both the biophysical and social aspects for closure.
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  • Published: 2003
  • PDF Size: 0.326 Mb.
  • Unique ID: P200305024

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