ISO 45001 Guide: Occupational Health & Safety Management System Documentation

What Is ISO 45001?

ISO 45001:2018 is the international standard for occupational health and safety (OH&S) management systems. It provides a framework for managing OH&S risks and opportunities to prevent work-related injury, ill health, and fatalities. For SOP fundamentals, read our complete guide.

Why ISO 45001 Matters

Workplace safety isn't just ethical — it's business-critical:

• Legal compliance — OH&S legislation exists in virtually every jurisdiction
• Worker protection — Systematic approach prevents injuries and saves lives
• Cost reduction — Work-related injuries cost organizations billions annually in compensation, lost productivity, and insurance
• Reputation — Safety incidents damage brand and ability to attract talent
• Tender requirements — Many contracts require ISO 45001 or equivalent certification
• Integration — Shares the same high-level structure as ISO 9001 and ISO 14001

Key Requirements

1. Context — Understanding OH&S context, worker needs, and scope
2. Leadership and Worker Participation — OH&S policy, consultation with workers, roles and responsibilities
3. Planning — Hazard identification, risk assessment, legal requirements, OH&S objectives
4. Support — Resources, competence, awareness, communication, documented information
5. Operation — Operational planning and control, emergency preparedness, procurement, contractor management
6. Performance Evaluation — Monitoring, compliance evaluation, internal audit, management review
7. Improvement — Incident investigation, nonconformity, corrective action, continual improvement

Hazard Identification and Risk Assessment

The core of ISO 45001 is the hazard identification and risk assessment (HIRA) process:

1. Identify hazards — Physical, chemical, biological, ergonomic, psychosocial
2. Determine who might be harmed — Workers, contractors, visitors, public
3. Evaluate risks — Likelihood × severity = risk level
4. Determine controls — Hierarchy of controls (elimination, substitution, engineering, administrative, PPE)
5. Record findings — Document assessments and control measures
6. Review regularly — Update after incidents, changes, or at defined intervals

Document your HIRA process as an SOP with a visual flowchart showing the assessment methodology and decision criteria.

Essential SOPs for ISO 45001

• Hazard identification and risk assessment SOP
• Incident investigation and reporting SOP
• Emergency preparedness and response SOP
• Permit to work SOP (confined spaces, hot work, working at height)
• Contractor safety management SOP
• Personal protective equipment (PPE) SOP
• Safety inspection and audit SOP
• Management of change SOP
• First aid and medical emergency SOP
• Chemical handling and COSHH SOP
• Manual handling SOP
• Worker consultation and participation SOP

Use CertiFlow's bulk creation to generate your entire OH&S documentation library.

How CertiFlow Helps

• AI-generated safety SOPs aligned with ISO 45001 clauses
• Flowcharts for incident investigation, emergency response, and HIRA
• Evidence inventory linking safety records to each procedure
• Review workflows ensuring safety procedures are properly approved
• Training materials for safety inductions and ongoing awareness
• Certification checklists tracking ISO 45001 compliance

→ Build your OH&S documentation with CertiFlow — free trial