In this type of work situation, the risk of slipping and falling is higher. A safety device must be installed to guard against these hazards.
Examples of operations: framing a building under construction roof repair or waterproofing roof inspection on industrial sites...
Technical specifics: when the situation allows, accessing the work area is done using an elevated work platform. The worker secures him/ herself with an energy-absorbing lanyard lacking collective protection, the worker is required to use a fall-arrest system fall-arrest systems are also required when installing collective protection