The christening of the tunnel boring machine that will dig the 6 km of the Eole extension - line E of the RER - between Courbevoie and Haussmann - Saint-Lazare station took place on 28 November last, in the presence of a large number of personalities.
Named Virginie, it takes its first name from Virginie Blivet-Tribet, a collaborator of Xavier Gruz, project director for SNCF Réseau, who has been working on this project for ten years. Manufactured in Germany by Herrenknecht, the machine is currently the largest in France. It's 90 m long and weighs 1,800 t with a diameter of 11.50 m.
Between spring 2019 and 2021, it will evolve about 30 to 40 metres underground at an average rate of 10 m/day.
Eiffage's teams are currently working on three projects for Eole: this 6 km underground extension, which also includes the construction of a station under the Maillot gate; the Bezons bridge, a nearly one-kilometre engineering structure, which includes a 96 m bow-string, a 350 m rail bridge and a 375 m soft traffic bridge; and track and station adaptation work over 47 kilometres between Mantes-la-Jolie and Nanterre-la-Folie.