BEH/Specific/TBT-BEH-019
Challenging Unsafe Behaviour Constructively
Behavioural Safety & Leadership › Specific › Challenging Unsafe Behaviour Constructively
Toolbox Talk
Challenging Unsafe Behaviour Constructively
Every worker on site has the right and the responsibility to challenge unsafe behaviour when they see it. Staying silent when someone is at risk allows incidents to happen. However, how you challenge matters — a constructive approach is far more likely to change behaviour than confrontation or blame. This talk explains how to intervene effectively, respectfully, and in a way that keeps everyone safe.
Key Hazards
Injuries caused by unsafe acts that go unchallenged by colleagues nearby
Confrontational challenges creating conflict and discouraging future reporting
Workers feeling unable to speak up due to hierarchy or subcontractor pressures
Normalisation of risk where unsafe behaviours become accepted over time
Control Measures
- Stop and speak up immediately if you see someone doing something that could cause injury.
- Approach the person calmly, privately where possible, and focus on the behaviour not the individual.
- Explain clearly what you observed and why it concerns you in terms of the specific risk involved.
- Ask the person for their perspective — there may be a reason you are not aware of.
- Suggest a safer alternative rather than simply telling the person to stop what they are doing.
- Report the observation through the site safety reporting system so it can be reviewed and addressed.
- Recognise and thank people when you see them working safely to reinforce positive behaviour.
- Escalate to your supervisor if the unsafe behaviour continues or the person refuses to change.
- Remember that everyone has the right to stop work if they believe there is an immediate danger.
Remember
- Stop and speak up immediately whenever you see behaviour that could cause injury on site
- Approach the person calmly and focus on the unsafe behaviour not the individual themselves
- Explain what you observed and why it concerns you in terms of the specific risk involved
- Suggest a safer way of doing the task rather than simply telling someone to stop
- Report observations through the site safety system so patterns can be identified and addressed
- Everyone has the right to stop work immediately if they believe there is imminent danger
Applicable Legislation: Health and Safety at Work etc. Act 1974 · CDM Regulations 2015 · Management of Health and Safety at Work Regulations 1999
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