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               Global


         standard to



      avoid tailings


             disasters




         newly launched industry standard will offer
       A  miners, governments, communities and
       investors clear guidance on how tailings stor-
       age facilities should be managed across the
       globe.
        The Global Industry Standard on Tailings
       Management covers the entire tailings facil-  native methods of mineral recovery to signifi-  tailings  monitoring  capabilities.  Companies
       ity lifecycle – from site selection, design and   cantly reduce or even eliminate the genera-  such as Newmont Corp (at Boddington gold
       construction, through management and   tion of tailings.” Butler said.   mine, Western Australia), Rio Tinto Ltd (at
       monitoring, to closure and post-closure. It   Adam Matthews, director ethics and en-  Hope Downs 4, WA) and South32 Ltd are
       was developed through the Global Tailings   gagement, investment team at the Church of   already using Geomotion equipment on their
       Review which was co-convened in March   England Pensions Board (a member of PRI)   storage facilities.
       2019 by the United Nations Environment Pro-  said the new standard would drive best prac-  Geomotion  national  manager  Karl  Crit-
       gramme (UNEP), Principles for Responsible   tice and give investors a benchmark to rate   tenden  said  industry  leaders  were  increas-
       Investment (PRI) and International Council   miners against.             ingly conscious of the need to improve their
       on Mining and Metals (ICMM) following the   “For the first time we have a global stand-  tailings monitoring capabilities.
       tragic tailings facility collapse at Brumadinho,   ard that goes beyond existing best practice   “We have been approached by a number
       Brazil which saw 270 people killed in the sub-  and  establishes  the  most  comprehensive   of majors who are preparing to standardise
       sequent landslide.                  standard that investors will hold companies   tailings monitoring across their portfolio,” he
        The UNEP has committed to supporting   accountable for in their implementation.”  said. “These companies are very serious
       governments in implementation of the stand-  While Australian mining has a solid track   about monitoring every aspect of their opera-
       ard in national or state legislation and policies   record in tailings management, the new   tions and are seeing the value and reliability
       while the ICMM has said its members would   standard is likely to filter through the domestic   of our sensors and the wireless loggers. Our
       implement the standard as part of their mem-  industry given the PRI’s involvement.  software matches up a cross-section of the
       bership.                              Adoption of global industry standards can   operation, from slopes to tailings, integrating it
        The PRI, which represents $US103.4 tril-  be  challenging  for  companies  outside  the   all with geotechnical and environmental data.”
       lion in assets under management is develop-  majors but according to Geomotion Australia   Butler said ICMM members had committed
       ing investor expectations to guide miners in   managing director Kim Malcolm, miners of all   to conforming with the standard within three
       adopting the standard.              sizes needn’t be overawed by the task of ap-  years of its launch date for facilities with “ex-
        The Global Tailings Review chair, Dr Bruno   plying the standards requirements for moni-  treme” or “very high” potential consequences,
       Oberle, said the standard would set a prec-  toring of existing tailings dams.  and all other facilities within five years.
       edent for the safe management of tailings   Geomotion has been installing soil moni-  The near-real time monitoring allows op-
       facilities.                         toring software on Australian tailings dams for   erators to gain a clearer picture of a facility’s
        “I am particularly pleased to deliver a docu-  five years. Malcolm said the company’s latest   performance, allowing  them  to accurately
       ment which reflects and addresses the com-  technology, which uses wireless communica-  predict anomalies and failures.
       plexity and multi-disciplinary nature of sound   tions  technology,  made  tailings  monitoring   “Instead of relying solely on operator ex-
       tailings management,” he said.      safer, more effective and cheaper than previ-  perience and knowledge, operators can
        “It  is my hope that  the  Standard will be   ous systems.              analyse the data captured in the loggers,”
       supported by an independent body that can   “Previously,  even  a  major  company  may   Malcolm said.
       maintain  the  quality  and  further  refine  and   have only one employee spending a week   The Geomotion software also allows man-
       strengthen the standard over time.”  each month checking all the monitoring in-  agers to set up alerts and alarms for incidents
        ICMM chief  executive  Tom  Butler  told   strument readings at every tailings facility.   or indications of worrying movement.
       Paydirt the standard was a “significant step”   Only once they had then manually uploaded   “It allows companies to select who has ac-
       toward achieving members’ commitment to   that data could they begin analysis of the tail-  cess to the alarms and they can even present
       safe tailings facility management.   ings facilities,” Malcolm said. “Using the wire-  the monitoring data on open websites to en-
        “ICMM’s longer-term goal is to develop   less data makes this process quicker, cheap-  sure their management has a more public-
       safe and sustainable alternatives to conven-  er and safer, taking all the data at the top of   facing interface,” Crittenden said.
       tional wet tailings storage facilities. As such,   the  hole  and  doing  away  with  the  manual
       through ICMM’s Tailings programme, our   aspects of the process.”                           – Dominic Piper
       members promote the development of tech-  The cost and time savings delivered by us-
       nologies to remove moisture from tailings and   ing piezometers with wireless data logging
       identify and support the development of alter-  means companies can rapidly expand their


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