Major repairs and reconstruction of objects (with the exception of the restoration of historical and cultural monuments), including the strengthening of load-bearing structures:

• buildings and structures for residential purposes of the I level of responsibility, including internal engineering systems and external networks, except for gas supply, elevators and other handling devices.
• buildings and structures for industrial purposes of the I level of responsibility, including internal engineering systems and external networks, except for gas supply, elevators and other handling devices.
• buildings and structures for civil and industrial purposes of II and III levels of responsibility, including internal engineering systems and external networks, except for gas supply, elevators and other lifting and transport devices.
• protective coatings for structures and equipment (lining, lining, insulating, anti-corrosion and chemical coatings).