Its replacement or restoration of individual parts or entire structures (except for the complete replacement of basic structures, the term of which determines the service life of an apartment building as a whole) and engineering equipment of buildings due to their physical deterioration and destruction, as well as the elimination, if necessary, of the consequences functional deterioration of structures and work to improve the level of internal improvement, ie, the modernization of buildings. During capital repairs, physical (partially) and functional (partially or completely) depreciation of buildings is eliminated.