Installation of electrical equipment SNEMA-SERVIS LLC performs installation works, which include the following types of services:

  • construction, reconstruction and repair of overhead power lines 6 - 220 kV;
  • installation of cable lines of 0.4 - 110 kV;
  • installation of lighting systems for industrial and civil facilities (street lighting, lighting for workshops and units, floodlighting);
  • installation of electrical heating systems (resistive, self-regulating heating cables, the "skin effect" system) for industrial and civil facilities;
  • installation of power equipment (magnetic starters, push-button stations, control panels, frequency converters, current transformers, voltage transformers, low-voltage switch units, vacuum circuit breakers, load switches, high-voltage cells, etc.);
  • installation of switchgears (input distribution devices, distribution boxes, automatic transfer switches, etc.);
  • installation of switchgear assemblies indoor and outdoor (switchgear and metal-clad switchgear) up to 220 kV;
  • installation and assembly of power transformers, auto-transformers, voltage up to 220 kV;
  • construction, reconstruction and repair of electrical substations with voltage up to 220 kV;
  • installation of grounding and lightning protection systems.

Commissioning of electrical equipment

Another important activity is the commissioning of electrical equipment including services, such as:

1. Inspection and adjustment of protection, automation, and control systems of electrical equipment:

  • substations with voltage up to 500 kV (with electromechanical relays and microprocessor terminals of such manufacturers as ABB, Siemens, Schneider Electric and Russian companies);
  • turbine and diesel power plants;
  • systems of electric heating for pipelines;
  • AC and DC electric motors (soft start and frequency control devices);
  • control power systems.

2. Tests and measurements of electrical equipment and power units:

  • adjustment of relay protection and electric automatic devices in electrical networks with a voltage of 0.4-500 kV;
  • synchronous generators and compensators;
  • DC machines and AC motors up to and over 1 kV;
  • power transformers, auto-transformers, oil reactors and grounding arc suppression reactors with voltage up to 500 kV inclusive;
  • measuring transformers of current and voltage up to 500 kV inclusive;
  • oil, air, sulfur hexafluoride and vacuum switches with voltage up to 500 kV inclusive;
  • disconnectors, isolators and short circuiters with voltage up to 500 kV inclusive;
  • modular and connecting buses with voltage up to 500 kV inclusive;
  • dry limiting reactors with voltage up to 500 kV inclusive;
  • batteries;
  • power cable lines up to 500 kV inclusive, including power cable lines made of cross-linked polyethylene, high-modulus ethylene-propylene rubber and PVC with voltage up to and above 1 kV;
  • switchgears indoor and outdoor installation (switchgear and metal-clad switchgear) up to 500 kV inclusive;
  • paper-oil capacitors to improve the power factor with voltage 1 kV and above (measurement of insulation resistance, high voltage power frequency test, capacitance measurement, measurement of dielectric loss tangent, the capacitor bank test with a three-time switching on); 
  • protective equipment made of dielectric rubber and solid organic materials.

3. Integrated testing and preparation of working and delivery and acceptance documentation: testing of electrical installations for the full circuit at idle and under load in all operating modes.

4. Development of operational documentation for electrical equipment.

5. Development of the software for the automated energy management systems.


Installation of instrumentation, process control, security, fire alarm and communications

SNEMA-SERVIS company provides a full range of installation work of low voltage systems that ensure automated control of processes, operation of fire-alarm and safety systems, automatic fire extinguishing systems, CCTV, perimeter alarm, and communication, namely:

  • installation of power cables;
  • installation of cable metalworks;
  • installation of fiber optics;
  • installation of instrumentation and systems of automation and remote control;
  • installation of automatic fire extinguishing systems and fire and security alarm systems;
  • installation of video surveillance equipment and devices, perimeter alarm systems, communication systems;
  • assembly of PCS, video surveillance and communication cabinets.

Commissioning of I&C, process control, fire alarm and communication systems

Collaboration with Russian and international companies allows us to perform complex work in the area of industrial automation ranging from small facilities based on local controllers to scalable distributed control systems. There is a wealth of experience in the successful implementation of projects on the development and implementation of PCS, factory automation control system, automated dispatch control system, automated meter reading and control system, automated system of electric power technical record-keeping, automated power consumption measurement system, remote control, MES systems in many regions of Russia and CIS countries.

As a system integrator and information technology supplier, we present a wide range of products and services using the equipment of Siemens, Emerson, Schneider Electric, Allen Bradley, Yokogawa, Honeywell, and others.

SNEMA-SERVIS offers a full range of services that will provide automated control of technological processes, operability of fire and security alarm systems, video surveillance systems and communication means including:

  • development of applied software for PCS of oil and gas production, transportation, storage and processing facilities, heat and electricity systems;
  • development, manufacture, supply and assembly of the cabinets for control systems;
  • commissioning of automation, signaling systems and interconnected arrangements: means of automation (lower level), PCS (middle and upper level), security and fire alarm systems, video surveillance and communication equipment of oil and gas production, transportation, storage and processing facilities, heat and electricity systems.

Developers of PCS environments have received professional training and certification from the leading producers of automation systems; have a background of the project implementation (up to 20,000 and more input-output channels). Maintenance of the installed equipment includes a warranty and post-warranty maintenance, repair, replacement, modernization, personnel re-training, hotline support.


Development of project documentation for:

  • automated process control systems (PCS),
  • automated dispatch control system, automatic fire extinguishing systems,
  • systems for monitoring and control of utilities,
  • information security systems, a complex of technical means for security,
  • automated fiscal and power metering systems,
  • automated systems for accounting of energy resources.

Management of preparatory and commissioning operations:

  • development and implementation of the management system for the complex activities using the project management software (such as MS Project, Primavera, etc.);
  • development of a comprehensive plan of preparatory and commissioning work divided into systems and subsystems including HSE issues;
  • development of the procedures for the commissioning operations with subdivision in the stages and work types (work breakdown structure, concurrent operations, inspection, punch lists, execution control, confirmation, acceptance, estimation of work progress, reporting, etc.).

Supply management:

  • participation in the equipment acceptance and factory trials at the manufacturers’ plants;
  • preparation of the acceptance acts;
  • compliance assessment of the purchased equipment with the requirements of the detailed design documentation;
  • organization and conduct of equipment incoming inspection;
  • checking the availability and completeness of the documents certifying the quality of the equipment supplied by the customer.

Development of the maintenance and commissioning documentation:

  • production technology regulations;
  • sets of the commissioning documentation, including instructions, commissioning execution program for commissioning phases;
  • maintenance documentation including all kinds of instructions and emergency plan;
  • data sheets for equipment, pipelines, buildings and structures;
  • other types of technical documentation in accordance with corporate requirements of the customer.

Engineering supervision of construction and installation:

  • review of the quality compliance for construction, equipment, installation with the requirements of the detailed design documentation, manufacturer’s instructions, rules of occupational health and safety, technical specifications and applicable standards;
  • issuance of punch lists, defect elimination control.

Preparation and commissioning:

  • organization and carrying out the preparatory work in accordance with the procedures (check processing systems for continuity and leak test, the energy consumption, purging of process systems, etc.);
  • comprehensive tests for leaks in process system, comprehensive testing of operation in working environment;
  • bringing of the process to a steady-state regime in accordance with the project requirements;
  • preparation of equipment and operation test on designed capacity, selection and stabilization of the process mode bringing the production to the design capacity.

Education and training of the operating personnel:

  • theoretical training of operating personnel in accordance with the rules and regulations on occupational health and safety;
  • practical training of the process personnel for the safe work at the workplace during preparation and commissioning.



SNEMA-SERVIS enjoys extensive experience in services for the oil and gas facilities.
The main areas of service include:
  • maintenance of automation equipment;
  • maintenance of electric power equipment;
  • maintenance of heating, ventilation and air conditioning systems;
  • maintenance of equipment for chemical, petrochemical, gas and oil refining industries.
As a part of the maintenance services, the Company provides the following activities:
  • maintenance of the PCS, instrumentation, CQCS, fire and security alarm, uninterrupted power supply, video surveillance and security, remote access control equipment and electric equipment;
  • checking the protection system, alarm system and locking of automation system elements;
  • fast troubleshooting of automation equipment;
  • preventive maintenance in the amount according to the schedule;
  • unplanned maintenance of the equipment in accordance with organizational and technical schedules;
  • preparation of measurement instruments for verification / calibration;
  • preparation of equipment for routine repair and overhaul;
  • revision, routine repair, inspection and diagnostic of equipment;
  • preparation of defect reports and specifications for the overhaul and modernization of the equipment;
  • overhaul of automation;
  • metrological control of serviced measurement instruments;
  • development, coordination and implementation of measures and technical solutions to improve the reliability of the equipment that do not require major repairs and modernization;
  • ensuring the supply, storage and accounting of the means required for the maintenance.
Maintenance of electrical equipment includes:
  • Organization of an operational dispatching service, ensuring the coordinated work of the operational personnel of power substations, network areas to maintain the reliability and efficiency of the operational network diagram, of individual sections and objects of networks and power plants under various operating modes;
  • Maintenance of electrical installations in working condition and their exploitation in accordance with the requirements of User Rules for Operating Electrical Equipment, safety rules and other regulatory and technical documents;
  • Timely and high-quality maintenance, preventive maintenance, testing, modernization and reconstruction of electrical installations and electrical equipment;
  • Improving the reliability and safety of electrical installations;
  • Ensuring compliance with labor protection requirements of electrotechnical and electrotechnological personnel;
  • Ensuring compliance with environmental requirements during the operation of electrical installations;
  • Record, analysis and investigation of violations in the operation of electrical installations, accidents related to the operation of electrical installations, and taking measures to eliminate the causes of their occurrence;
  • Record, rational use of electric energy and energy conservation measures;
  • Carrying out the necessary tests of electrical equipment, operation of lightning protection devices, measuring instruments and electric energy metering devices.
Maintenance of heating, ventilation and air conditioning (HVAC) system
The service department of SNEMA-SERVIS provides a professional maintenance of HVAC systems, which includes such types of services as:
  • Inspection and diagnostics of the ventilation system (visual inspection, check of operation parameters for compliance with the passport data and regulatory documents);
  • Development and approval of technical regulations for scheduled preventive maintenance of ventilation equipment based on the recommendations of manufacturers of equipment and components, technical specifications for units and assemblies that are part of utility engineering systems, as well as on the basis of regulatory and technical documentation;
  • Maintenance and repair of refrigeration equipment and air conditioners (visual inspection of the technical condition of equipment for damage, cleaning of heat exchangers, compressors, fan motors from dust and dirt, measurement of operating parameters, checking for refrigerant leaks, refueling the refrigerant, checking the composition of the oil and replacing it , checking the operation of automation devices, temperature conditions and other necessary operations);
  • Commissioning of the ventilation system (checking the basic actual performance indicators of ventilation for compliance with the project and adjusting the system to achieve the design parameters of the work, if the system cannot be brought into design mode, then instruments control allows you to find the person responsible for this: poor-quality installation, errors in the project, unsatisfactory working equipment, etc.).
Having the most modern technical park of tools, measuring devices and repair equipment, a sufficient number of diverse specialists, our company solves any problems in ensuring the normal and efficient functioning of utility networks and maintaining the interiors and exteriors of buildings and structures.
When servicing an air conditioning system, the specialists provide to our customers the consultations aimed at maintaining the effective and uninterrupted operation of systems: diagnostic measures; detection of hidden potential problems in the system; transfer of a detailed inspection report of the facility; transfer of a list of recommendations for optimizing the system. Having concluded an agreement with us, you transfer to us all the concerns that are usually associated with the operation of ventilation, technical support for the smooth operation of air conditioning systems.
Maintenance of equipment for chemical, petrochemical, gas and oil refining industries
  • Scheduled repairs and repairs according to the technical condition of dynamic equipment (with replacement of components and parts, non-destructive testing methods and balancing of critical parts);
  • Repair of equipment (heat exchangers, refrigerators, crystallizers, vacuum filters, filters, centrifuges, cryogenic equipment, ventilation systems, gas and blowers, smoke exhausters, gas coolers, air coolers, boiler equipment, drain and liquid filling devices, including gas hazardous work) ;
  • Revision, pressure testing, cleaning and repair (with replacement of tubes) of air cooler sections and bundles of heat exchangers, manufacture of bundles of heat exchangers;
  • Repair (with surfacing and grooving or replacement of parts) of defective fittings, with testing after repair. Repair of mechanical and drive parts of electric valves;
  • Repair, calibration, cleaning and capillary control of springs, testing of safety valves;
  • Repair of metal structures;
  • Repair and assembly of non-standard equipment and spare parts, manufacturing of metal structures, piping assemblies and parts, mechanical work (turning, boring, grinding, etc.);
  • Gas hazardous work on installing and removing plugs, performing technological operations on cutting pipelines and making technological inserts into pipelines;
  • Routine (including installation of clamps, plugs) and unscheduled repair of pipelines (including steam and heat satellites), with repair of pipeline parts (pipes, dampers, flanges, threads, bends, reducers, tees, fasteners, supports, suspensions, compensators, plugs welded and non-welded, fittings, gaskets, grounding, mesh filters), with partial replacement of parts;
  • Seasonal maintenance of tanks;
  • Restoring insulation and painting after repair.
SNEMA-SERVIS is accredited for and implements the verification of the gauges measuring:
  • flow;
  • pressure;
  • temperature;
  • electrical values;
  • level;
  • vibrations;
  • data-measuring systems and their elements;
  • horizontal tanks;
  • analyzers of physical and chemical composition and properties of substances;
  • spectro-photometers, colorimeters, photometers;
  • laboratory scales.
SNEMA-SERVIS LLC performs calibration of the gauges measuring:
  • flow;
  • pressure;
  • temperature;
  • electrical values;
  • level;
  • data-measuring systems and their elements;
  • horizontal tanks;
  • analyzers of physical and chemical composition and properties of substances;
  • spectro-photometers, colorimeters, photometers;
  • laboratory scales.

As part of large contracts, integrated turnkey metrological service is available at customer sites including:

  • collection, packaging and export of measuring instruments for repair and testing in remote laboratories;
  • creation of a database of operated measuring instruments;
  • registration of data sheets and forms for measuring instruments;
  • provision of normative documents in the field of metrology;
  • development of measurement methodologies;
  • testing to approve the type of measuring instruments, measuring systems and complexes;
  • work on metrological support of measuring complexes for metering of energy carriers;
  • metrological examination of projects;
  • development of programs and certification of test equipment.


Air conditioning:

  • Installation of high-performance industrial air conditioning systems with a power of 25 kW and above;
  • Installation of multizone VRV/VRF air conditioning systems;
  • Installation of consumer and industrial air conditioning systems;
  • Installation of a chiller and fan coil air conditioning system.

Supply and exhaust ventilation systems with mechanical and natural actuation:

  • Installation of frame units of high capacity;
  • Installation of supply equipment with a cooling circuit of the frame-and-panel type;
  • Installation of small single block units;
  • Installation of rectangular and round channel ventilation units.

Smoke removal and air intake:

  • Installation of smoke exhausters and blowers;
  • Installation of centrifugal, radial and axial fans.

Heating equipment:

  • Installation of thermal curtains with electric and water heating;
  • Installation of air heating units.


  • Installation and laying of heat supply systems for ventilation units and heating units.

Insulation works:

  • Installation of heat and fire protection coating;
  • Insulation coating with thin sheet metal.

Installation of additional elements of ventilation systems:

  • Fire dampers;
  • Air distribution devices;
  • Throttling devices;
  • Air ducts and shaped fittings.

Industrial ventilation systems:

  • Preparatory works with the check of compliance of the installed equipment and completed installation works against the regulatory requirements;
  • Checking the serviceability of starting devices, measuring and checking the performance demonstrated by the fans at idle and under load;
  • Adjustment of systems for design air flow rates;
  • Start-up, adjustment and testing of internal heating and ventilation systems of buildings and workshops of enterprises;
  • Production of straight sections and shaped fittings of ventilation systems;
  • Installation of air distribution devices and parts of ventilation systems;
  • Automation and dispatching of air conditioning and ventilation systems.


SNEMA-SERVIS LLC performs construction, repair, mechanical installation works, such as:

  • сivil works;
  • installation of block buildings and structures, assembly of buildings from sandwich-panels at the oil and gas production, processing and transport facilities;
  • design of bearing and enclosing structures for buildings and facilities, installation of reinforced concrete structures;
  • installation of the process equipment, process piping and valves;
  • manufacture, assembly, installation of piles, raft foundations, cable racks, searchlight masts and other steel structures for various purposes;
  • repair of the storage tanks for oil products;
  • arrangement of the well pads after drilling operations.

SNEMA-SERVIS LLC carries out the development and assembly of Training Stands with descriptive and methodological documentation based on PLCs manufactured by Allen-Bradley (Rockwell), Siemens. As a Human Machine Interface, as part of the equipment of the Training Stand, it is possible to use a PC as an AWP engineer with Wonderware, Siemens software, as well as HMI touch panels.



Installation and commissioning of electrical equipment
Installation and commissioning of instrumentation, process control, security, fire alarm, CCTV and communication systems
​Process, equipment, and engineering systems commissioning
Maintenance services
Verification and calibration of measuring instruments
Installation and adjustment of heating, ventilation and air conditioning (HVAC) systems
Construction and mechanical installation
Development and assembling of training stands