Guidance
Operational risk assessment guidance note
Operational risk assessment guidance note
- NOPSEMA
- Guidance
- A639100
- Control of WorkManagement of ChangeProcess Safety
- Barrier managementMajor accident managementRisk management
- Competence and trainingManagement of changeRisk assessmentSafety-case assurance
- Upstream oil and gas
- Offshore installation
Summary
Guidance for offshore oil and gas operators on assessing temporary impairment of safety-critical controls and operation outside design limits. It explains hazard identification, qualitative or semi-quantitative risk evaluation, mitigation assurance, cumulative risk, responsibilities and restoration periods. Assessment must not justify predetermined continuation decisions or substitute for managing permanent changes.
Classifications: Barrier management; safety barrier management.
Classifications: Major accident management; major accident prevention.
Classifications: Risk management; risk evaluation.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Management of change; MOC; change management.
Classifications: Risk assessment; hazard assessment.
Classifications: Safety-case assurance.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.
Summary
The guidance explains how operational risk assessments can manage impaired safety-critical controls and temporary changes in operations.
A639100. Themes: control of work, management of change, process safety.