EOLE VEN GLO Regeneration and Extension of RER E

PROJECT DESCRIPTION

The EOLE project consists of extending the current RER Line E by 55 km towards the west, and mainly includes:

• 8 km of tunnel between Haussmann Saint-Lazare station and Nanterre-La-Folie station

• 47 km of redevelopment of existing tracks up to Mantes-la-Jolie

• The creation of three new stations (Porte Maillot, CNIT-La Défense, and Nanterre-La-Folie), while the existing stations are undergoing major renovations

TRACTEDIS SERVICES

As part of this project, TRACTEDIS managed the construction supervision for the installation of ventilation systems across all 9 shafts located between CNIT-La Défense, Haussmann Saint-Lazare, and Porte Maillot stations:

• Monitoring and controlling the progress of ventilation works according to the schedule and EXE documents:
  Installation of metalwork: fans, round and square ducts, dampers, silencers, and ancillary ventilation (airlocks, technical rooms, etc.)

• Installation of low voltage power distribution: variable speed drive cabinets, control/command systems, PLCs, cable trays

• Connection of electrical power and fiber optics for integration into the line’s global SCCD system

• Managing interfaces with Civil Engineering and Finishing Works, as well as participation in meetings with other contractors/packages

• Attending progress meetings, reporting, and addressing site issues

• Monitoring and controlling aerodynamic and electrical testing