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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 6 search results

  • $15.00
    2015  Papers

    2015 – Abracadabra – the Disappearing Tailings Dam

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    2016  Papers

    2016 – Would Bowties and Critical Controls Contribute to the Prevention of High Consequence / Low Frequency Dam Failures?

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  • $15.00
    2017  Papers

    2017 – The Hamata Tailings Dam Design and Construction at the Hidden Valley Mine in Papua New Guinea

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  • $15.00
    2020  Papers

    2020 – Dynamic Analyses for Static Liquefaction Factor of Safety and Triggering Threshold Values in Tailings Storage Facilities Constructed by Upstream Method

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  • $15.00
    2009  Papers

    2009 – Unique Approach of an Integrated Design and Material Selection for an 80 Metre High Stepped Spillway

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  • $15.00
    2011  Papers

    2011 – Numerical Modelling of Seismic Liquefaction for Bobadil Tailings Dam

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