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Our Safety & Risk Engineering team were assigned to update the Operator’s Safety Case for the five-yearly submission to the Department of Mines, Industry Regulation and Safety (DMIRS)


Operating platforms, plugged and abandoned platforms, suspended platforms awaiting abandonment and suspended platforms that may be restarted in future

What did we do?

  1. Reviewed the existing Safety Case and determined the required Safety Case contents and structure based on the operational status of the facilities within the scope
  2. Conducted a Management of Change (MoC) gap assessment, including review of change management controls, audits, etc and provided optimal change management recommendations
  3. Facilitated a 2-day Safety Case and As Low as Reasonably Practicable (ALARP) Review workshop to:
    1. Review the hazards, Major Accident Events (MAEs) and associated control measures in the existing Hazard Register to ensure they reflect the current operational status of the facility
    2. Re-risk ranked the hazards based on the Operator’s Risk Matrix
    3. Assessed the hazards and determined if risks continue to be ALARP and will satisfy current DMIRS requirements
  4. Updated the Hazard Register based on the outcomes of the Safety Case and ALARP Review Workshop
  5. Updated the MAE bowtie diagrams
  6. Prepared a Formal Safety Assessment (FSA) Impact Technical Note to assess changes in the preceding five years that affected the outcomes of the supporting FSA studies
  7. Restructured and updated the Operator’s Safety Case
  8. Reviewed and provided recommendations for the update of the Operator’s Safety Management System (SMS) Addendum (which forms Part III of the Safety Case) to ensure alignment with the other parts of the Safety Case and meet regulatory compliance.

What is a Safety Case?

A safety case is a document produced by the operator of a facility which:

  • Identifies the hazards and risks
  • Describes how the risks are controlled
  • Describes the safety management system in place to ensure the controls are effectively and consistently applied
  • Safety cases must be produced by the operator of an installation
  • The safety case must identify the safety critical aspects of the facility, both technical and managerial
  • Appropriate performance standards must be defined for the operation of the safety critical aspects
  • The workforce must be involved
  • The safety case is produced in the knowledge that it will be scrutinized by a competent and independent regulator

Why we were contracted

Our safety and risk management specialists have the required expertise and experience to complete Safety Case revisions that ensure regulatory compliance which was not available within the clients existing team.

Jim Morrison Jim Morrison
EVP Safety, Risk & Environment
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What we delivered

  • Safety case and ALARP review workshop report
  • Management of change requirements and recommendation tactics
  • Hazard register
  • FSA impact technical note
  • Updated safety case issued for use and submission to DMRIS

Value we added

Sufficient Barriers to help prevent a MAE

Through re-alignment of the Safety Case following changes to the operating status of the facilities, the client now has confidence that the correct control barriers are in place to protect their people and assets

Compliance with government regulations

The Safety Case revision was accepted by the Department of Mines, Industry Regulation and Safety in Western Australia

Independently verified by experts

Utilizing our experts to conduct an independent review provided the operator with an unbiased and fully justified view on the required changes to the Safety Case

A fully engaged workforce to assure successful MoC

Through effective management of change tactics provided by our Safety engineering team and ongoing engagement with the workforce, the changes to the Safety Case are owned, managed, and implemented by the workforce through a shared approach