What it contains

Employers can prevent workers from being seriously injured or killed by moving parts of machinery by isolating, locking out and tagging equipment (plant) before starting maintenance work. This document outlines:

  • the range of machinery and equipment covered by the term ‘plant’
  • what is an isolation procedure
  • who employers should consult with to develop isolation procedures
  • how to isolate plant
  • what to do if it is not practicable to isolate plant
  • how to identify all energy sources and other hazards
  • how to identify all isolation points and energy sources in a system
  • how to de-energise plant
  • how to lock out all isolation points
  • how to test your isolation procedures
  • employer’s occupational health and safety duties