Construction of load-bearing and (or) enclosing structures of buildings and structures (including bridges, transport overpasses, tunnels and overpasses, other artificial structures), including the reconstruction of objects, including:

• installation of load-bearing structures of bridges and bridge crossings;
• installation of structures of lifting structures (elevators, escalators, mine headframes and lifts, cable cars and other structures of lifting structures).
• chimneys, silos, cooling towers, headframes.
• roofing.
• installation of monolithic, as well as installation of prefabricated concrete and reinforced concrete structures, laying piecework, elements of walls and partitions and filling openings.
• installation of building structures of tower and mast type, chimneys.
• assembly of metal structures.
• hydrotechnical and mudflow protection structures, dams, dams.