A multi-branch construction and executive design of the conversion of the Castel hall into the Steel Service Centre consisting in strengthening the structure of the hall columns and crane beams caused by the change of the load capacity of the cranes installed in individual aisles, from the lifting capacity from 6.3 to 30 t.
There are also designing social facilities for employees and a roof in the loading area. In addition, the design included the construction of a compensation pit and a foundation for a device supporting longitudinal cutting.