• Report all injuries, near misses, and dangerous occurrences to your supervisor immediately.
• Record every incident in the site accident book, no matter how minor it appears.
• Preserve the scene of any serious incident — do not move or disturb anything.
• Cooperate fully with any incident investigation and provide an honest witness statement.
• Seek first aid treatment for all injuries, even those that seem minor at the time.
• Identify and report RIDDOR events to the HSE within the required timeframes.
• Investigate all incidents using a structured method to identify root causes.
• Share lessons learned from incidents with the wider team through safety alerts.
• Follow up on investigation actions to ensure corrective measures are completed.
• Encourage a culture where reporting near misses is valued and acted upon.

• DON'T fail to report an injury, near miss, or dangerous occurrence to your supervisor.
• DON'T ignore minor injuries — they must still be recorded in the accident book.
• DON'T clean up or disturb the scene of a serious incident before investigation.
• DON'T refuse to cooperate with an investigation or provide misleading information.
• DON'T treat injuries yourself without reporting them and seeking first aid on site.
• DON'T miss RIDDOR reporting deadlines — fatalities must be reported immediately.
• DON'T skip the investigation step — understanding why prevents it happening again.
• DON'T keep incident lessons to your team only — share them across the project.
• DON'T close out investigations until all corrective actions are fully implemented.
• DON'T discourage or punish workers for reporting near misses or unsafe conditions.

See also: Near Miss Reporting & Learning | Incident Investigation Process