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Oil, Gas & Mining vocabulary · Health & Safety

Lockout/tagout

Meaning in oil, gas & mining, with examples

nounCommon term

In oil, gas & mining, lockout/tagout means: A safety procedure in which equipment is switched off, isolated from its energy sources and fitted with personal locks and warning tags so nobody can start it during maintenance.

In Turkish: kilitleme/etiketleme, LOTO, enerji izolasyonu

How it is used

Usually called LOTO. Each worker puts their own lock on the isolation point and removes only their own lock at the end. Related words are isolation, energy sources, zero-energy state and 'try', which means testing that the machine cannot start.

Example sentences

  1. Apply lockout/tagout on the conveyor before you clean under the belt.

  2. He was injured because the lockout/tagout procedure was not followed on the pump.

Common collocations

  • lockout/tagout procedure
  • apply LOTO
  • isolation point
  • personal lock
  • permit to workA written approval that must be issued before high-risk work such as hot work, work at height or work on live equipment, listing the hazards and the agreed controls.
  • conveyorA machine with a moving rubber belt on rollers that carries ore, coal or rock continuously from one place to another, for example from a crusher to a stockpile.
  • HSEShort for health, safety and environment: the rules, people and systems a company uses to protect workers, the public and nature from harm.
  • confined spaceAn enclosed area with limited ways in and out, such as a tank, vessel, pit or silo, where toxic gases or a lack of oxygen can make entry dangerous.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Health & Safety

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