Page 31 - EngineerIt August 2021
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MINING



           “Practical steps and guidance in
        the AWS Standard help water users     Covering the bases
        to improve their water practices for
        better on-site water performance, while   Applying the principles of water stewardship on mines involves a range of
        also contributing to wider sustainability   considerations – both regulatory and strategic. On a recent project in which SRK
        goals,” she said. “Water crises are being   Consulting was involved, the process involved the following among the various
        exacerbated by climate change and are   relevant areas to be covered.
        now acknowledged as societal risks due   •  Water use licensing – a regulatory requirement which now also includes the need to
        to their far-reaching consequences.”     consider climate change impacts
                                              •  Reduced water consumption alternatives
        Catchment care                        •  Water quality monitoring
        Water stewardship considers impacts   •  Challenges arising from the salinity of discharge water – considering upstream
        not only on the mine site but in the wider   water quality conditions and downstream water users
        catchment in which a mine operates,   •  Public consultation and disclosure – including a community water supply project
        according to Dr Simon Lorentz, principal
        hydrologist at SRK Consulting.
           “Risks specific to the company    Well-being, Sustainable Cities & Communities, and Life Below Water.
        can be direct, disrupting actual mining   “An added advantage of the AWS Standard is that it allows mines to be accredited
        operations such as the non-availability   once they have met the detailed range of requirements,” she said. “This is valuable in
        of water supply to manage operations   terms of companies’ reputations – whether in the eyes of investors, financial institutions,
        like waste disposal,” said Lorentz. “They   regulators or the general public.”
        can also be indirect, where supply
        chains are disrupted due to water    Credible benchmark
        supply issues or poor water quality.”  The AWS’s position as a member of ISEAL assures stakeholders that its water
           He noted that catchment-specific   stewardship framework has been reviewed by an independent and competent body. The
        risks are influenced by local water   framework and the accreditation therefore provide a credible benchmark that can be
        resource management and governance   trusted as a true indication of commitment.
        effectiveness, in dealing with factors   “SRK’s decades of experience in the mining sector, combined with its depth of
        such as increasing demand and        expertise in water-related disciplines, positions us well to guide mining companies in their
        unpredictability driven by climate   water stewardship journey,” said Shand.                           n
        variability. They are also affected by
        local infrastructure adequacy, the   * The content herein is the author’s opinion and not published on behalf of the Alliance
        amounts of pollution being disposed into   for Water Stewardship (AWS). The author holds an AWS Professional Credential and
        water bodies, and the resulting quality of   this piece of publishing helps fulfil their Continuing Contribution Units requirements.
        available water.                     For more information about AWS or the AWS Professional Credentialing Programme,
           “In one of our projects, we worked   please visit https://a4ws.org/.
        closely with a mine and the responsible
        authority to ensure that the quality of   About SRK
        the naturally saline groundwater from   SRK is an independent, global network of over 45 consulting practices on six continents.
        an open pit was an acceptable quality   Its experienced engineers and scientists work with clients in multi-disciplinary teams to
        before being discharged from site,” said   deliver integrated, sustainable technical solutions across a range of sectors –
        Shand. “This strategy was guided by the   mining, water, environment, infrastructure and energy.
        presence of sensitive farming activity   For more information, visit www.srk.co.za
        downstream of the mine and was made
        possible by taking the broader water
        stewardship approach.”

        Strengthening reputations
        The central position of water in many
        of the United Nation’s Sustainable
        Development Goals (SDGs) is another
        reason why many mining companies are
        starting to embrace water stewardship
        more systematically, said Sutton. Many
        corporates align their strategies with
        the SDGs, and many of those are
        relevant to water. While Goal 6 on Clean   Lindsay Shand, associate   Dr Simon Lorentz, principal   Fiona Sutton, principal
        Water and Sanitation is key, others that   partner and principal   hydrologist at SRK   consultant at SRK
        depend on access to water include No   environmental geologist at   Consulting     Consulting
        Poverty, Zero Hunger, Good Health &   SRK Consulting



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