OECD (Organisation for Economic Co-operation and Development)

A safety assembly that automatically releases excess pressure from vessels, pipelines, or equipment to prevent catastrophic failure. Subcontractors must verify these systems are inspected, certified, and functional before commencing work. Tampering with or bypassing relief devices is a serious regulatory violation.

A safety metric tracking work-related injuries that require medical treatment beyond first aid, per 100 full-time workers annually. Subcontractors are often required to report their RIR (Recordable Injury Rate) to prime contractors before being awarded field work. A high RIR can disqualify your company from bidding on projects or getting onto an operator's approved vendor list.

Safety systems and equipment that prevent workers from falling at heights above 3 metres. Subcontractors are responsible for supplying compliant gear and training before mobilising crews to site. Non-compliance can result in stop-work orders and contract liability.

A written safety review completed by crew members before starting a job task on site. It identifies hazards, required controls, and who is responsible for each step. Subcontractors are often required to submit these to the prime contractor before work begins.

A formal system for isolating and de-energising equipment before maintenance or repair work begins. For subcontractors, this typically means following a client's lockout/tagout (LOTO) programme on site. Non-compliance can result in work stoppages, contract termination, or serious injury.

A documented safety programme requiring subcontractors to provide appropriate respirators when workers are exposed to airborne hazards like H2S, dust, or chemical fumes. It includes fit testing, training, and maintenance procedures for all respiratory equipment. Clients and prime contractors often audit this programme before awarding site access.

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