AAC - Safety aletr - Level 5,5mGood afternoon, today it was found on the construction site, that the cut has have been (are) made into a suspended slab at the level of 5.5 m. However, work at heights is suspended. I draw attention to need to visibly mark the place of passage from and in the immediate vicinity of this cut in order to prevent the person from falling. The board is weakened by this intervention. Please instruct all your suppliers.Therefore, we need a work procedure at heights to describe safe assembly procedures.Make sure that the work at the upper level is stopped