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MAC OMS Guide Version 2.1

Version 2.1 is an update to the second edition of Developing an Operation, Maintenance, and Surveillance Manual for Tailings and Water Management Facilities (the OMS Guide) released in 2019. Updates were undertaken concurrent with revisions in Version 3.2 of A Guide to the Management of Tailings Facilities (the Tailings Guide).

Changes in Version 2.1

Version 2.1 is an update to the second edition of Developing an Operation, Maintenance, and Surveillance Manual for Tailings and Water Management Facilities (the OMS Guide) released in 2019. Updates were undertaken concurrent with revisions in Version 3.2 of A Guide to the Management of Tailings Facilities (the Tailings Guide).

The Tailings Guide was revised to improve alignment between the tailings management component of MAC’s Towards Sustainable Mining® (TSM®) program and the Global Industry Standard on Tailings Management (the Standard), released in August 2020.

The most significant change is the moving of text on control of documented information (formerly Section 2.7 of the OMS Guide) to the Tailings Guide. This was moved as this guidance is applicable to documented information other than OMS manuals.

In addition:

  • In Section 2.4.3, discussing linkages with other systems, a reference to site-wide environmental and social management systems was added to improve alignment with the Standard.
  • Examples of potential roles and responsibilities of the Responsible Person and Engineer of Record were deleted and incorporated into Version 3.2 of the Tailings Guide.
  • Section 3.1.2, discussing communications, was deleted and incorporated into Version 3.2 of the Tailings Guide. The associated appendix was also moved to the Tailings Guide.

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