Construction works and services Construction works and services

Construction works and services Construction works and services
Building construction, reconstruction and renovation works; Construction, reconstruction and renovation works of water supply and sewage systems, including fire extinguishing systems; Construction, reconstruction and renovation works of heating, ventilation and air conditioning systems; Construction, rebuilding and renovation works of mechanical equipment; Construction, reconstruction and renovation works of hydrotechnical structures. Electrical equipment construction, reconstruction and renovation works up to 1000 V (including); Electrical equipment construction, reconstruction and renovation works 6-20 kV; 110 kV and 330 kV electrical equipment, incl. construction, reconstruction and renovation of relay protection, automation and control systems; Design of electronic communication systems and networks; Construction, reconstruction, and renovation works of electronic communication systems and networks; Design of electrical equipment up to 20 kV; 110 kV and 330 kV electrical equipment, incl. design of relay protection, automation and control systems; cleaning of 0.4-20 kV power transmission line tracks and trimming/cutting down of individual trees; Construction, reconstruction and renovation works of electrical equipment up to 1000 V (inclusive) and designing of electrical equipment up to 20 kV (design of overhead lines, cable lines, 6-20/0.4 kV transformer substations and switching points); Construction, reconstruction and renovation works of electrical equipment 6-20 kV (Cable lines, 6-20/0.4 kV transformer substations, Overhead and suspension cable lines, 6-20/0.4 kV transformer substations, open-air circuit breakers) and design of electrical equipment up to 20 kV (Overhead lines, cable lines, 6-20/0.4 kV transformers design of substations and switching points); Construction, reconstruction and renovation of electrical equipment 6-20 kV (6-20 kV switchgear, including relay protection, automation and control) and 6-20 kV switchgear (110/6-20 kV substations and distribution points), incl. relay protection, automation and control design; Design of electrical devices up to 1000 V; Construction, reconstruction and renovation of electrical equipment up to 1000 V (including) and design of electrical equipment up to 1000 V, Construction, reconstruction and renovation of electrical equipment up to 20 kV; 110 kV voltage substation new construction or reconstruction construction works (construction with a design component); 110 kV voltage transformer replacement construction works (construction with design component).