During the joint preliminary inspection, the head of the user undertaking:
1° Delimits the area in which the outside undertakings will be working;
2° Marks out the areas in this area which may present hazards for the workers;
3° Indicates the traffic routes which these workers and the vehicles and machinery of all kinds belonging to the outside undertakings may use;
4° Defines the access routes for these workers to the premises and installations used by the outside undertakings as provided for in article R. 4513-8.