Complex design		Project development
	Underground construction		Infrastructure objects construction
	Transport construction		Civil construction

Fields of activity:

Complex design and related activities, including design of projects located in high seismicity areas with difficult geological conditions :

• Structural architectural design of industrial and civil projects as a general design organization ;
• Design of metro lines;
• Design of tunnels of different purposes in various geological conditions, including extremely difficult (seismic, karstic, etc.), constructed from 20m span structures and section areas of up to 430m²;
• Design of underground crossings and structures;
• Design of bridges and viaducts;
• Design of railroads and highways with infrastructural facilities;
• Renovation of obsolete outdoor facilities;
• Updating out-of-date engineering infrastructure of operating plants;
• Technical re-equipping of existing plants, applying advanced technological processes;
• Design of gas pipe networks and gas-fired plants; electricity networks, lighting and installations;
• Environmental control and nature conservation measures;
• Inspection, determining the technical conditions and certification of industrial buildings, structures and outdoor facilities.

2. Engineering services.

3. Civil works:

• Construction of foundations and grounds, including works under complicated engineering and geological conditions;
• Construction of earth embankments and dams;
• Dewatering, including arrangement of deep-earth drainage systems;
• Construction of concrete and reinforced concrete monolithic structures, water reservoirs and treatment plants;
• Stoneworks;
• Roofing;
• Finishing works;
• Restoration works and reconstruction of architectural monuments.

4. Assembling and other special works :

• Assembly of steelworks of one- and multi-storeyed buildings, capacious structures, bin trestles and bunker bays;
• Assembly of pre-fabricated reinforced concrete buildings and structures;
• Construction of supporting and filler structures of buildings;
• Construction of underground structures;
• Construction of water-supply and sewerage systems; heat, gas and power supply networks including with the implementation of the trenchless techniques (HDD);
• Construction of telecommunication networks and signaling systems;
• Installation of processing equipment, control and automated management facilities;
• Hydraulic insulation and anticorrosion protection of structures and pipelines;
• Thermal insulation of filler structures, pipelines and thermal units;
• Construction of metal ledger structures and railroad, road, pedestrian crossing, flyover, viaduct and arcade bearings;
• Construction of concrete and reinforced concrete structures of bridges, flyovers and culverts;
• Assembly of railway tracks;
• Paving and related works;
• Construction of drainage tunnels and sewerage collectors;
• Metro construction;
• Construction of main oil pipelines from 2? to 48? in diameter;
• Installation of low, medium and high pressure gas pipelines;
• Construction of compressor and pumping stations;
• Construction of gas-distributing and regulating stations;
• Construction, reconstruction and maintenance of oil and gas pipelines;
• Different-type welding of oil and gas pipelines with quality control of welded joints;
• Pipeline insulation;
• Construction of runways of airports and heliports.

5. Environmental protection activities :

• Bank protection;
• Erosion control works;
• Land recultivation.