All buildings are rectangular in plan and are located on Fjädholmsgränd in Stockholm. The static and strength calculations of the steel structure of the three-story modular superstructure and the verification of the load-bearing capacity of the reinforced concrete structure of the existing buildings confirmed the possibility of raising the buildings.
The technology adopted for the foundation of modules on a steel grate connecting the superstructure with the existing structure of buildings.
An additional difficulty is the implementation of the entire investment with the normal functioning of the facilities