British Columbia Mine Reclamation Symposium

Risk based evaluation of mine waste dumps Kent, Alistair; Johnson, Bill


This paper reviews the nature of past waste dump failures, and examines their impacts. The geotechnical issues affecting hazard prediction are discussed from both design and operational perspectives. Methodology for evaluating the potential consequences of dump failures is presented and discussed. The methodology provides the basis for a risk-based approach which is explicit and defensible. Criteria for the acceptance of certain types and levels of risk are reviewed, and quantitative as well as qualitative approaches are described. The paper is intended to provide mine management with an effective tool for obtaining project approvals efficiently.

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