Before the start of the work and on the site where it is to be carried out, the head of the external company shall inform all the workers assigned to the work of the specific hazards to which they are exposed and of the preventive measures taken in application of this Title.
In particular, he shall specify the danger zones and the means adopted to mark them. He shall explain the use of collective and individual protective devices.
It shows these workers the routes to take to access and leave the work site, to access the premises and installations provided for them and, where appropriate, the emergency exits.