OHSAS 18001 stands for the Occupational Health and Safety Assessment Series. It was a globally recognized standard for occupational health and safety management systems (OHSMS), helping organizations manage risks, ensure legal compliance, and improve workplace safety.

⚠️ Note: OHSAS 18001 has been replaced by ISO 45001 (since March 2018), which is now the international standard for occupational health & safety. However, many still refer to OHSAS 18001 during transitions or legacy audits.

✅ Key Objectives of OHSAS 18001:

• Identify and control occupational health and safety risks

• Reduce the potential for accidents and legal liabilities

• Improve overall health and safety performance

• Foster a safe working environment for employees and stakeholders

• Ensure compliance with applicable OH&S legislation

🧩 OHSAS 18001 Structure (Major Elements):

1. OH&S Policy

2. Hazard Identification & Risk Assessment

3. Legal & Regulatory Compliance

4. Objectives and Programs

5. Operational Control

6. Training and Awareness

7. Monitoring & Measurement

8. Incident Investigation

9. Management Review

🔁 Transition from OHSAS 18001 to ISO 45001:

• More emphasis on leadership involvement

• Focus on worker participation

• Integration with other ISO standards (e.g., ISO 9001, ISO 14001)

• Uses the Annex SL structure for better compatibility with other systems

🏢 Who Used OHSAS 18001?

• Construction companies

• Manufacturing plants

• Logistics and transportation firms

• Energy and oil & gas sectors

• Government and public safety agencies