Line 14 extension – Batch T2

2.2 km of tunnel to Saint-Ouen Town Hall

Underground Works

France, 2015-2018

General description

Comprising, among others, several Bouygues Travaux Publics entities, the consortium is tasked with carrying out work on batch T2 of the RATP’s line 14 extension project. Batch T2 -Civil Engineering from Clichy Saint-Ouen to Pleyel- includes the building of a 2.2-km long tunnel (using an 80-m long and 8-m interior diameter earth pressure balance TBM); of a tunnel linking the train maintenance & storage area; of the Saint-Ouen Town Hall station and four ancillary structures, including strengthening of RER C infrastructures.

The consortium is particularly concerned with sustainable development aspects and limiting disturbances in a highly dense urban environment. For example, all rubble will be evacuated by waterways, to avoid disturbing traffic in the towns concerned. In the long run, this stretch will ease congestion on Paris’ underground line 13.

Consortium

BOUYGUES TRAVAUX PUBLICS GRANDS TRAVAUX FRANCE / BOUYGUES TRAVAUX PUBLICS REGION PARISIENNE / SOLETANCHE BACHY TUNNELS / SOLETANCHE BACHY FRANCE / CSM BESSAC

Project owner

RATP

Locations

Associated Projects

MTR West Island Line 703
MTR West Island Line 703

Construction of two rail tunnels

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Sydney metro
Sydney metro

9-km-long tunnel - concession

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Cairo metro - Line No. 2
Cairo metro - Line No. 2

Project in four phases

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