Article R4534-6 of the French Labour Code
Openings in shafts, galleries with an incline of more than 45°, and openings such as those provided for the passage of lifts, or such as chimney shafts or trap doors, which may exist in the floors of a building as well as in the floors of scaffolding, gangways or any other installations, must be enclosed or closed off : 1° Either by a guardrail placed at a height of 90…