ISO 45001 will replace OHSAS 18001 following the approach of other management systems such as ISO 14001 and ISO 90001 and has an increased emphasis on management commitment, worker involvement, and risk control. Understanding the key differences between ISO 45001 and OHSAS 18001 is a crucial step. Below are the differences in the two standards:
ISO 45001 is process-based while OHSAS 18001 is procedure-based. The structure of ISO 45001 is based on the framework used in other ISO management system standards, making implementation easier and more efficient
ISO 45001 incorporates the views of interested parties but OHSAS 18001 does not
ISO 45001 emphasizes both risk and opportunities and OHSAS 18001 deals exclusively with risk