Engineering
Engineering activities and services provided by Contragent 35
Construction of the electrical part of Railway Infrastructure
- External power supplies
- Transformers posts Power Supply from Catenary
- Completed transformer substations
- Cable Lines - LV, MV
- Overhead transmission lines (OHTL)- MV and HV
- Electrical, telecommunication and infrastructural crossing of railway tracks
- Overhead transmission lines (OHTL) Crossing
- OHTL 20 kV over railway tracks
- OHTL 110 kV over railway tracks
- Underground crossing – cables under railway tracks
- Transition from OHTL to Cable lines
- Substations
- Disconnectors
- Construction and control of Basic Sectioning Posts (BSP)
- Primary Switching (commutation )
- Control panels for Local and Remote control
- PLC Software design developing and programming, installation and commissioning
- Connecting to SCADA
- SCADA software developing
- Overhead Transmission lines - supply feeders
- Power cables,control cables and fiber optical cables installation
- SCADA systems
- Power supply of GSM-R towers
- Power supply switchboards and Auxiliary distribution switchboards
- Electrical installations inside stations and halts
- Lighting of Platforms
- Lighting of Turnout areas
- Lightening of parks, garden areas and car parking areas
- Heating of turnouts
- Production and installation of control panels, distribution and protection panels for heating of turnouts
- Control cables
- Installation of heating bodies
- Electrical installations in underpasses
- Lighting
- Pumping systems
- Elevators
- Lifting platforms for disabled persons
- Lightning (thunderbolts) protection systems for: buildings (stations,halts, service buildings, communication buildings), GSM-R towers
- Active and Passive Lightning Protection
- Power supply and electrical installation of passenger overpasses
- Earthing installations
- Earthing of electrical equipment
- Earthing of metal equipment around the railway track in area of 5 m from the track axis to the rail
- Parapets
- Overpasses
- Traffic barriers
- Passenger overpasses
- Fences
- Traffic lights
- Lightening poles
- Noise barriers
- Signal (signs)
- Bridges
- Platforms
- Platform earthing loops
