a geometric roof using a steel truss design, with the venue architecturally representing a wrapped ribbon. It was quickly assessed that while achievable, the design was restrictive and led to an increase in the risk to health and safety of workers by virtue of the fact that much of the construction work would have been undertaken at heights requiring the support of temporary support structures. Instead, through a design risk workshop, the design of the roof was amended and advantages and disadvantages of alternatives designs assessed before coming to a final cable-net design. This was a safer and more cost-effective roofing solution, as it meant that the roof could be assembled at ground level before being hydraulically lifted into position, removing the need to work at height. 14 F xv An emphasis was placed on the 'health' aspect of 'health and safety'. The ODA appointed an Occupational Safety Provider operating on site, which ran prevention programmes including health checks, health surveillance and health promotion which was made available to all workers and suppliers. The provider included teams of doctors and nurses as well as occupational hygienists providing a holistic approach to achieve better health management. Relevantly, risks were eliminated or minimised through providing advice on how to achieve compliance, providing services such as drug and alcohol testing and assisting with any rehabilitation and return to work issues. 15 F xvi Emphasis on 'Health' as well as 'Safety'
Communication
The Games were used as an opportunity to investigate and track health and safety messages being communicated to various organisations involved in the construction phase of the Olympics. This arose from a recognition that communication is instrumental in ensuring health and safety initiatives are
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