Page 87 - Annual Report 2020
P. 87

1.9.3 Minerals Americas                                                                                  1

           The Minerals Americas asset group includes projects, operated assets and non-operated joint ventures in
           Canada, Chile, Peru, the United States, Colombia and Brazil.
           Operated assets                                                                                          Strategic Report


                      PERU
            Chile

                                   BOLIVIA
                       Cerro
                       Colorado                                                                                     Governance at BHP
                 Iquique
                          Pica
            Pacific Ocean
                         CHILE
                Tocopilla
                            Calama
                          Spence
              Mejillones
                                    ARGENTINA
              Antofagasta                                                                                           Remuneration Report
                            Minera Escondida
             Mine

           s1006_v1
                   Copper

           Our operated copper assets in the Americas, Escondida and Pampa   Key developments during FY2020
           Norte are open-cut mines. At these mines, overburden is removed   Escondida copper production in FY2020 increased by 4 per cent    Directors’ Report
           after blasting, using truck and shovel. Ore is then extracted and   to 1,185 kilotonnes (kt), supported by record average concentrator
           further processed into high-quality copper concentrate or   throughput of 371 kilotonnes per day (ktpd), which offset expected
           cathodes. Copper concentrate is obtained through a grinding and   grade decline, stoppages associated with the social unrest and
           flotation process, while copper cathodes are produced through    COVID-19 impacts.
           a leaching, solvent extraction and electrowinning process. Copper
           concentrate is transported to the port via pipeline, while cathodes    The Escondida Water Supply Expansion (EWSE) project was
           are transported by either rail or road. From the ports, copper    completed on time and budget in December 2019. Following the
           is exported to our customers around the world.      completion of the EWSE project, Escondida has eliminated water
                                                               drawdown from aquifers for operational supply 10 years ahead
           For the majority of the June 2020 quarter, our Chilean assets   of its FY2030 target.
           operated with a reduction in their operational workforces of
           approximately 35 per cent to incorporate measures in response    The Centre of Integrated Operations (CIO) was inaugurated in    Financial Statements
           to COVID-19. We have implemented a comprehensive plan for   July 2019 in BHP’s Santiago office and has since provided remote
           COVID-19, including various hygiene and health controls and    control services to the mine and process areas of Escondida and
           a proactive testing regime for people before entering sites and   Spence. The CIO enables an operation that is safer and more
           boarding transportation.                            productive by reducing people on-site and allowing them to work
                                                               in a collaborative space.
           We will continue to maintain operational measures that protect
           the health and wellbeing of our workforce while COVID-19 remains   Looking ahead
           a major health risk, in line with Our Charter values. As a result, we   Production of between 940 and 1,030 kt is expected for FY2021,
           anticipate continuing to operate our Chilean assets with a reduced   with a decline in copper grade of concentrator feed of approximately
           workforce until these controls can be relaxed.      4 per cent. Lower volumes reflect the need to continue to balance
           Escondida (Chile)                                   mine development and production requirements, with processing   Additional information
                                                               capacity at concentrators and leaching plants, as a result of a
           Overview                                            reduced operational workforce due to COVID-19. It is expected that
           We own 57.5 per cent of the Escondida mine, a leading producer of   production levels are likely to be impacted in FY2022 as a result of
           copper concentrate and cathodes located in the Atacama Desert in   reduced operational workforce and material movement in FY2021.
           northern Chile. Escondida’s two pits feed three concentrator plants,   Guidance of an annual average of 1,200 kt of copper production over
           as well as two leaching operations (oxide and sulphide).  the next five years remains unchanged.
                                                               The BHP Operating System deployment and automated truck trial
                                                               initiatives are expected to be completed in FY2021. In addition,
                                                               Escondida will be undertaking studies on different material handling
                                                               technologies to build an integrated suite of material handling projects
                                                               that aims to combine innovative and disruptive technology and   Shareholder information
                                                               equipment solutions to increase mine productivity and improve
                                                               costs competitiveness.
                                                               We expect these initiatives will allow Escondida to operate with
                                                               a medium-term unit cost of less than US$1.10 per pound despite
                                                               the continuation of grade decline and the increasing water costs.






                                                                                               BHP Annual Report 2020  85
   82   83   84   85   86   87   88   89   90   91   92