Claddings and coverings are only attached when the temperature of evironment and substances which have been used is at least 5 degree.
Fresh rough cast, fresh plaster surface and freshly-prepared claddings shall be protected from moisture loss.
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.
Every worker has to know the safety rules and wear his safety equipment at all time.
SECURITY PLACING CONDITIONS
DANGER OF FROST DAMAGES IN MORTAR BEDDING :