PROCESS FOR MODERNIZING A BUILDING AND STRUCTURE WITH A LIFT SYSTEM BUILT IN A BUILDING

摘要

In a process for the modernization of a building (1) an old stairwell (3) of the building (1) is remodeled in such a way that an elevator shaft (26) of an elevator system (2) to be built can be arranged in the old stairwell (3). In this case, the elevator shaft (26) is arranged in the old stairwell (3) of the building (1) in such a way that staged access to certain floors of the building (1) is provided from a passenger cabin. elevator (27) of the elevator system (2) disposed in the elevator shaft (26). Outside the old stairwell (3) a new stairway (17) is constructed. In addition, an old stairway (4) is removed from the old stairwell (3). furthermore, in the old stairwell (3) next to the elevator shaft (26), access bridges (24) are provided through which a flat access of the new stairway (17) to the given floors is provided.