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Spie starts work on Grand Paris Express tunnel launch shaft

Project promoter Société du Grand Paris has said that the CAP joint venture, led by Vinci Construction Grands Projects and Spie Batignolles Fondation, has started work on a key shaft on the Grand Paris Express scheme.

ripage arcueil   cachan   csociete du grand paris florence joubert

ripage arcueil cachan csociete du grand paris florence joubert

Source: Florence Joubert

A concrete slab weighing 3,000t had to be moved before work on the shaft could start. The site is also adjacent to the RER B line, which called for careful planning to prevent services being disrupted and construction of a new pedestrian access bridge.

CAP is working on contract TC3 on Line 15, which is a new circular metro that formed part of 200km of new metro route planned to be in service by 2030 under the Grand Paris Express project.

The shaft at the Arcueil-Cachan station yard will be used to launch the Herrenknecht tunnel boring machines that will drive the 8.2km twin bore tunnel. The TBMs will drive through Villejuif Institut Gustave-Roussy station, where the new Line 15 intersects with an extension of Line 14, to emerge at Villejuif Louis-Aragon train station.

The TBMs are expected to arrive at the Arcueil-Chachan site in early 2019 and the tunnel drive is expected to take 16 months.


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