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SafetyTerm

Permit to work

A permit to work is written permission to carry out high-risk work, granted only after the conditions and measures have been checked.

Explanation

You use a permit to work for work with an elevated risk, such as hot work (welding, grinding), work in a confined space, work at height or work on installations that may be live or under pressure. The owner or manager of the site issues the permit to the party doing the work.

The process: the contractor applies with a description of the work and the measures, usually based on a TRA. The permit issuer checks the situation together with the applicant and releases the permit. When the work is done, the contractor signs it off. That way everyone knows who is doing what.

A permit to work does not replace the TRA or LMRA but is an extra control measure. The TRA describes the risks, the LMRA checks at the moment itself, the permit records that someone has checked and given consent. Which work requires a permit is determined by the site or your client.

Example from practice

Before a fitter starts welding in a production hall, he applies for a hot work permit. The permit issuer checks flammable materials, extinguishing equipment and fire watch, releases the permit and the fitter signs off afterwards.

© 2026 BrydgeOne. General information, not legal or other professional advice. No rights can be derived from this explanation.

In BrydgeOne

Where you work with Permit to work

Permit to workRequest, issue and close out permits for high-risk work, with checks up front. TRATask risk analysis per task step, with control measures and approval. LMRALast-minute risk analysis before the job.
Knowledge base

Keep reading

Applying for a permit to work: when you need one and how the process runsApplying for a permit to work means formally asking permission for work with extra risks, such as hot work, work in a confined space or work at height. Here you read when you need a permit, how applying, issuing and closing out work, and which checks belong beforehand. TRA task risk analysis: steps, example and who approves itA TRA, or task risk analysis, is an analysis of one specific task that you prepare before the work starts. You split the task into steps, look for the hazards per step and choose control measures. Here you read how that works, with a worked example and an answer to the question of who approves a TRA.
Glossary

See also

TRATask Risk AnalysisLMRALast Minute Risk AnalysisGate inductionGate inductionWork start briefingWork start briefingRI&ERisk Inventory and Evaluation

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