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TRA: Task Risk Analysis

A TRA is a risk analysis for a single task: you split the work into steps, name the hazards per step, determine the risk and choose measures before the work begins.

Explanation

A TRA (task risk analysis) is made for a concrete task, not for the whole company. You walk through the work step by step: what do we do, what can go wrong, how big is the risk and which measures do we take. Then you assess the risk that remains.

You make a TRA in advance, together with the people doing the work, especially for risky, unusual or non-routine work. If the work is always the same, you can reuse a TRA and add an LMRA at each execution. A TRA is often also part of a permit to work.

A risk assessment (RI&E) covers the risks of the whole organisation, a TRA covers one task. The LMRA is the last check at the workplace itself. Let the people who do the work read along and co-sign: they know best what goes wrong in practice.

Example from practice

For replacing a roof window, the TRA describes the steps: lifting up the material, removing the old window and fitting the new one. Each step lists the hazards and measures, such as fall protection and a cordoned-off work area.

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

In BrydgeOne

Where you work with TRA

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

Keep reading

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. What is an LMRA? Last Minute Risk Analysis explainedAn LMRA is a short risk check you do right before the work, at the place where you are about to work. You check whether the situation matches what you expected and whether you can start safely. This article explains what an LMRA involves, when to do one and how to record it well. 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.
Glossary

See also

LMRALast Minute Risk AnalysisRI&ERisk Inventory and EvaluationPermit to workPermit to workResidual riskResidual riskRisk matrixRisk matrix

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