Plan the steps of work and supply adequate materials and tools accordingly.
The work area must remain clean at all time without things obstructing the working area and it must be well ventilated.
Place warning sings and surround dangerous areas with barriers preventing the entrance.
Stop all type of work with extremely bad climate conditions.
All holes must be protected by a fence.
Everything has to be signposted.
Each step has to be protected as soon as it is placed with a plastic sheet and a board of wood or carpet tiles to avoid stains and scratches on the finished surface.
Every hole must be protected by a fence.
Every worker has to know the safety rules and wear his safety equipment at all time.