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I have adjacent sites with 2 or more workplace numbers. If one of them meets the criteria of an MHI, how do I register?

You need to prepare a safety case for the entire site for a holistic assessment of the risks if:

  • There is substantial integration of the processes, e.g. transfer of materials between sites.
  • Processes are managed by the same operations team.
  • Sites are governed under the same safety and health management system (SHMS).

As each installation has unique circumstances, you can contact us at to explain your circumstances before proceeding with the MHI registration.