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The Eiffage Energie Systemes brands
  • Clemessy
  • Dorsalys
  • Expercité
  • Terceo
  • Profile

    Dorsalys, the Eiffage Énergie Systèmes brand, dedicated to transport infrastructure and network operators.

    • Profile
    • Presentation
    • Location
    • Recruitment

    Dorsalys, the Eiffage Énergie Systèmes brand, dedicated to transport infrastructure and network operators.

    • Profile
    • Presentation
    • Location
    • Recruitment
  • Our market expertise
    • Our market expertise
    • Rail and urban transport infrastructures
      • Our solution and services
      • A specific offer : electric bus
    • Road transport infrastructures
    • Telecom network solutions
      • Fixed offer
      • Safety
    • Data hosting - Datacenter
      • Our essential techniques
    • Energy transmission and distribution
      • Installation and renovation of high-voltage substations
      • Installation of overhead lines
      • Safety and certifications
      • Training our employees and customers
      • Innovation
      • Our equipment
    • Our market expertise
    • Rail and urban transport infrastructures
    • Road transport infrastructures
    • Telecom network solutions
    • Data hosting - Datacenter
    • Energy transmission and distribution
    • Our solution and services
    • A specific offer : electric bus
    • Fixed offer
    • Safety
    • Our essential techniques
    • Installation and renovation of high-voltage substations
    • Installation of overhead lines
    • Safety and certifications
    • Training our employees and customers
    • Innovation
    • Our equipment
  • References
    • References
    • A 48
    • SEMCAR
    • RATP
    • References
  • Newsroom

    Find here all the news of Eiffage Énergie Systèmes and stay connected on our application and networks.

    • News
    • Public release
    • Publications
    Newsroom

    Find here all the news of Eiffage Énergie Systèmes and stay connected on our application and networks.

    • Newsroom
    • News
    • Public release
    • Publications
  • Contact
  • Networks that bring us closer >
  • References
  • RATP
    Rail and urban transport infrastrucutres

    RATP - TETRA

    Our Third-Party Application Maintenance (TMA) and Maintenance in Operational Conditions (MCO) project covers 12 essential applications, offering business services based on the TETRA professional radio infrastructure.

  • SEMCAR
    Rail and urban transport infrastrucutres

    SEMCAR

    We offer turnkey design and build services for 41 station access closures on line A of the Rennes metro.

  • Rail and urban transport infrastrucutres

    RATP

    We provide Third-Party Application Maintenance (TMA) and Maintenance in Operational Conditions (MCO) for a set of 16 applications essential to the smooth running of the RATP.

  • Rail and urban transport infrastrucutres

    SNCF Network

    National deployment of optical fibre along rail lines under a framework contract. Creation of 1,000 km of underground wired arteries. Duration of the contract: 2014 to 2018.

  • Rail and urban transport infrastrucutres

    Bruxelles Midi rail tunnel

    Equipping and renewal of the safety installations at the northern junction of the Bruxelles Midi rail tunnel, one of the most heavily-used rail tunnels in Europe. Studies, works, tests, commissioning and maintenance of ventilation equipment, HV and LV distribution, lighting, the control-command system and low voltage equipment.

  • Rail and urban transport infrastrucutres

    SNCF Réseau

    Multi-awardee innovation partnership for the research, development and deployment of next-generation computer signage installations.

  • Rail and urban transport infrastrucutres

    RATP

    Railway signage for the new maintenance and storage center and the Clichy - Saint-Ouen inter-station (CSO) as part of the northern extension of metro line 14.

  • Rail and urban transport infrastrucutres

    RATP

    Northern extension of line 14

  • Rail and urban transport infrastrucutres

    SEMITAN

    The e-Busway is the first metropolitan transport system to use all-electricity for 24-meter long buses without catenaries, on a high-traffic line.

  • Rail and urban transport infrastrucutres

    SNCF Network

     

    Studies and construction of 25 kV and 1.5 kV electrical substations for several SNCF sites.

  • Rail and urban transport infrastrucutres

    RATP

    Study, works and commissioning of rail signalling of several tram lines in the Parisian network.

  • Rail and urban transport infrastrucutres

    RATP

     

    Installation and modification of signalling equipment on several Parisian metro lines, with a view to setting up the automated driverless train system.

  • Rail and urban transport infrastrucutres

    SNCF

    Study and performance of works to replace operating stations by a rail signalling IT station.

  • Rail and urban transport infrastrucutres

    SNCF Network

    Installation and commissioning of 13 GSM-R sites with lattice towers of 25 to 30 metres.

  • Rail and urban transport infrastrucutres

    Brittany-Pays de la Loire HSL

    Design, construction, integration, testing and commissioning of all rail equipment over the 214 km of the high-speed line between Le Mans and Rennes (PPP): electric traction, low voltage distribution, rail signalling, catenaries, cable deployment, GSM-R, telecommunication networks, control centres, access control and video surveillance.

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