A trade union specialist was appointed to train and advise site safety representatives and to chair the site safety forum so that there was an explicit emphasis on the worker contribution, thereby making it more focused and relevant to them. These representatives are encouraged to propose amendments that produce a better risk assessment and also to stop work where they think they are ignored. For example, following workers reporting their concern regarding working at height without proper edge protection, union representatives were able to halt operations while management resolved the issue. There was no fear of repercussions in relation to lost work because management recognised the risks identified by workers and respected their judgement, thereby supporting workers’ ownership of their own safety.