Specialists of the Moscow Metrostroy construction are carrying out major repairs of the railway tunnel named after Stalin, who came into technical disrepair.
During the reconstruction it is necessary to drain the lining of the tunnel, to strengthen its bearing capacity, to suppress the active water inflow, to restore the drainage trays, to update the device of the upper structure of the track. In the course of construction works, technologies that have not previously been used in the repair of railway tunnels are used.