4501 : Services for project engineering, for design and pre-design developments, development of a basic project (pre-FEED, FEED). Services for design and pre-design developments, coordination of individual parts of the project (emergency response plan, oil spill response plan, etc.)
4502 Сonstruction control at construction sites (external technical supervision)
4504 Technical customer services (capital construction project management)
Rendering of turnkey complex services - EPC contracts and turnkey contracts for the construction of facilities, including: engineering surveys, design, supply of equipment and materials, construction organization and management, CIW (construction and installation works), commissioning activities
4506 Services for the inspection and diagnosis of buildings and structures
4507 Construction of business support facilities, social and infrastructure development facilities, including repair and reconstruction. Reconstruction of office premises
4510 Architectural supervision at construction sites
4511 Construction, reconstruction and installation of administrative and household complexes of social facilities (A&LQ, rotational villages and shift camps, household premises in the fields), other infrastructure facilities (field support bases, production service bases, mechanical repair shops, storage facilities, POL bases)
4512 Commissioning activities at construction and reconstruction sites
4513 Design and survey work and engineering services at TANK FARM and PRS / gas station facilities
4516 Expertise of design and estimate documentation
4517 Construction and reconstruction (including modernization, technical re-equipment, etc.) of TANK FARM and PRS / gas station facilities
4518 Construction and reconstruction of highways (overtaking lanes, entries and departures, road surface of the site, etc.) at TANK FARM and PRS / gas station facilities
4519 Installation and replacement of technological equipment and pipelines at TANK FARM and PRS / gas station facilities
4520 General construction and finishing works (including redevelopment, facing, etc.) at TANK FARM and PRS / gas station facilities
4521 Installation of external and internal engineering networks (water supply, drainage, heating, installation of wells, etc.) at TANK FARM and PRS / gas station facilities
4522 Installation and reconstruction of a ventilation and air conditioning system
4523 Installation and replacement of other equipment at TANK FARM and PRS / gas station facilities
4524 Installation and replacement of electrical / power equipment, installation of internal and external electrical networks at TANK FARM and PRS / gas station facilities
4525 Installation of security and fire alarm systems, fire automatics, CCTV at TANK FARM and PRS / gas station facilities
4526 Installation of instrumentation and automated process control systems at TANK FARM and PRS / gas station facilities
4527 Installation and replacement of sewage treatment plants at TANK FARM and PRS / gas station facilities
4528 Construction of LPG, CNG and compressed natural main gas sections at TANK FARM and PRS / gas station facilities
4529 Design and survey work and engineering services at oil refinery facilities (petrochemicals)
4533 Construction and reconstruction of automobile and on-site access roads at oil refinery facilities (petrochemicals)
4534 Construction and reconstruction of non-public railways
4535 Construction and reconstruction of technological pipelines at oil refinery facilities (petrochemicals)
4536 Construction and reconstruction of the main technological units at oil refinery facilities (petrochemicals)
4537 Construction and reconstruction of plant facilities at oil refinery facilities (petrochemicals)
4538 Installation of security systems (alarms, video surveillance and access control, protection of information resources, etc.)
4539 Construction, reconstruction and installation of environmental safety facilities (including waste storage and processing units, temporary storage and disposal of industrial and household waste units, household and industrial wastewater treatment, etc.)
4540 Construction, reconstruction and installation of an automation system, telemechanization and communication, including automation of technological processes, industrial control systems, instrumentation and automation systems, technological / commercial accounting, communication and warning systems, LANs, etc.
4541 Construction, reconstruction and installation of energy facilities (electrical networks, electrical substation, switchyard, transforming substation etc.) at oil refinery facilities (petrochemicals)
4542 Construction, reconstruction and installation of energy generating facilities, power plants (gas engine power plants (GEPP), gas turbine power plants (GTPP), boiler houses, etc.)
4543 Construction and reconstruction of power transmission lines
4545 Construction, reconstruction and installation of tanks and tank farms
4546 Construction, reconstruction and installation of flare facilities at oil refinery facilities (petrochemicals)
4547 Engineering work (land management, bank protection, etc.)
4548 Design and survey work and engineering services at oil and gas facilities / at OGD facilities
4551 Construction and maintenance of winter roads, ice crossings at oil and gas facilities / at OGD facilities
4552 Construction of cluster foundations, sites and access roads to them
4554 Construction and reconstruction of bridges, bridge crossings, culverts (construction) at oil and gas facilities / at OGD facilities
4555 Arrangement of cluster sites/foundations and single wells at oil and gas facilities / at OGD facilities
4556 Construction and reconstruction of infield pipelines at oil and gas facilities / at OGD facilities
4557 Construction, reconstruction of site structures and oil and gas production complexes (CPF, OTU, BCS, PWDU, CPS, CQCS, GCS, GTU, IOGTU, GQCS, etc.) at oil and gas facilities / at OGD facilities
4566 Construction and reconstruction of airports, heliports
4567 Extraction of abundant minerals by water-jet ground mining
4568 Services for the preparation of a construction site prior to construction, incl. logging operations
4569 Piling work
4570 Liquidation of objects, buildings and structures, dismantling of structures, incl. recultivation
4571 Construction and reconstruction of main and interfield pipelines
4572 Design and survey work and engineering services at marine terminal facilities
4576 Construction and reconstruction at marine terminal facilities
4577 Performance of hydraulic work at marine terminal facilities
4579 Provision of temporary energy supply services with diesel power generation
4580 Provision of temporary energy supply services with gas power generation
4581 Construction of underpasses using directional drilling
4582 Extraction of crushed stone, gravel, sand (by dry ground mining)
4583 Design and survey work and engineering services at non-production facilities (buildings, structures, housing facilities, socio-cultural and communal services, as well as other capital construction projects for non-production purposes)
4584 Major repairs according to the downtime schedule at oil refining and petrochemical facilities
