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Major hazard facilities

Major hazard facilities (MHFs) are locations such as oil refineries, chemical plants and large fuel and chemical storage sites where large quantities of hazardous materials are stored, handled or processed. They are regulated under South Australia's work health and safety laws.

Operators of determined MHFs have obligations to:

  • identify all major incidents and major incident hazards for the facility
  • conduct and document a safety assessment of the facility's operation that involves a comprehensive and systematic investigation and analysis of all aspects of risks to health and safety that could occur
  • implement control measures that eliminate or minimise the risk of a major incident occurring
  • prepare an emergency plan
  • establish a Safety Management System (SMS)
  • prepare a Safety Case that demonstrates the SMS will control risks arising from major incidents and major incident hazards, as well as the adequacy of the measures to be implemented to control risks associated with the occurrence of major incidents.
Any facility having Schedule 15 chemicals present or likely to be present in excess of 10 per cent of the threshold quantities must notify SafeWork SA. The threshold quantities are set out in Schedule 15 of the Work Health and Safety Regulations 2012 (SA).   

The following notification form should be used for notifying SafeWork SA.


SafeWork SA Catalogue

Further resources can be accessed from SafeWork SA's Library catalogue