12Assessment of risk in relation to a class of hazards, tasks, circumstances or things

12  Assessment of risk in relation to a class of hazards, tasks, circumstances or things   If these Regulations require an assessment of risks to health and safety associated with a hazard, task, thing or circumstance, an assessment of risks associated with a class of hazards, tasks, things or circumstances may be conducted if:  (a) all hazards, tasks, things or circumstances in the class are the same; and  (b) the assessment of risks for the class does not result in any worker or other person being exposed to a greater, additional or different risk to health and safety than if the risk assessment were carried out in relation to each individual hazard, task, thing or circumstance.