Changing the roof casing, dismantling old cardboard and concrete roof, modification of the roof structure, manufacture and installation of stainless steel troughs, drain of PLUVIA, laying and installation of trapezoidal sheets, repair of skylights, replacement of wirewound with lightweight construction with polycarbonate fillings, cleaning the sewer, assembly of plumber elements – tiling of skylights and lower roofs. Creating a protective coating. The work was done with the help of a mobile crane. A provisional containment system was made during the implementation.