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David Brett, Robert Longey, Jiri Herza 

The independent expert review panel for the Mount Polley Tailings Storage Facility failure came out strongly recommending changes to the technology of tailings dams in British Columbia (and by inference, world-wide). The Panel had examined the historical risk profile of tailings dams in British Columbia and recommended, amongst other things, that best available technology (BAT) be adopted for tailings disposal. Examples of BAT, described by the panel, included “dry-stacking” of filtered, unsaturated, compacted tailings and reduction in the use of water covers in a closure setting. The recommended technologies would require a major shift in current practice and raises many questions, such as:
– Are these recommendations appropriate in Australia?
– Does this signal the end of the tailings dams as we know them?
– Do the current Australian National Committee on Large Dams Guidelines (ANCOLD) apply to these new BAT technologies?
– If not, is there a role for ANCOLD in setting standards for the future?
This paper discusses the Mt Polley tailings dam failure and searches for answers to these questions. In particular, this paper reviews the background to “dry-stacking’, to explore the implications for the Australian mining industry.
Keywords: Tailings Dam, Dry Stacking, Best Available Technology

Now showing all 9 search results

  • $15.00
    2015  Papers

    2015 – Abracadabra – the Disappearing Tailings Dam

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    2015  Papers

    2015 – Anomalies in design for mining dams

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  • $15.00
    2017  Papers

    2017 – Factor of Safety? – Do we use it correctly?

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  • $15.00
    2019  Papers

    2019 – Tailings Storage Failures: Impact on the industry, design, operation and people

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    2020  Papers

    2020 – Increasing risks: The unintended effect of our TSF Standards and Guidelines

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    2020  Papers

    2020 – When the bottom-line impacts dam safety: Case studies of commercial realities leading to increased risks

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    2012  Papers

    2012 – Gördes Dam – A Turkish Delight

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    2008  Papers

    2008 – Investigations and remedial works at Drakesbrook Dam in Western Australia

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  • $15.00
    2010  Papers

    2010 – Challenges in dam design on lateritic soils

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