Section 10: Construction work involving the use of heavy prefabricated elements or prestressed concrete.

When carrying out construction work involving the use of heavy prefabricated elements, the stability of each of these elements is ensured, as soon as they are in place, by appropriate rigid devices. Removal of the devices used may only be carried out on the orders of the site manager and under his personal supervision.

The tensioning of the prestressed concrete reinforcement and the removal of the jacks used for this operation may only be carried out under the supervision of the site foreman or a manager or engineer designated by the employer on the basis of their competence. The supervisor will ensure that appropriate devices are in place to effectively protect workers against the danger that could result from an untimely release of the…