Safety Cases are used with in the nuclear industry,in other high risk industries, and where the public are exposed to systematic risks on a daily basis (e.g. railway transport systems). A safety case will set out how operators manage and control the health and safety of employees, members of the public and the environment. The safety case will also detail Contingency plans for dealing with incidents and accidents by assessing all Reasonably Foreseeable adverse events. In essence, the safety case provides a 'safe operating envelope' which considers things like safety policy, Risk Assessment, safety management systems, risk control measures, reliability assessments and contingency.