(a)Staging shall not be erected over any open vessel unless the vessel is so constructed and ventilated to prevent the omission of vapour or fumes about such staging.(b)Where such staging is provided to give access to higher levels in large plants, effective means shall be provided at all levels with direct means of access for the outside of the room or building and thence to ground level.(c)Such staging shall be fitted with suitable handrails and toe boards, and the floors and staging shall be impervious and easily cleaned.
