When it exceeds a height set by joint order of the ministers responsible for labour and agriculture, the use in the open air of work equipment used for lifting non-guided loads ceases as soon as the deterioration of weather conditions is likely to compromise the safety of their operation and expose any person to a risk.
In this case, the employer must equip himself with the means and information to enable him to be aware of changes in weather conditions.
Protective measures are taken, in particular to prevent work equipment from tipping over.