The Iris consortium, headed by Bouygues Travaux Publics, has won the 15 Est-2 contract for the design and construction of the Grand Paris Express line between Bobigny and Saint-Ouen. The contract is worth 1.087 billion euros. This exclusively underground section of the metro will be built in a densely populated urban environment. The project includes the construction of four new stations (Stade de France, Mairie d'Aubervilliers, Fort d'Aubervilliers and Drancy-Bobigny), the excavation of 5.5 km of tunnel and the upgrading of 2.5 km of existing tunnel. Four new service structures are planned, as well as work on three existing service structures and several real estate projects. The consortium is committed to reducing greenhouse gas emissions. It favors the reuse of materials, the use of concrete and the use of renewable energies.
low-carbon fiber-reinforced concrete for the tunnel voussoirs, and the use of electrically-powered site vehicles and machinery to help reduce CO2 emissions. Finally, a waste reduction program will be deployed on the worksites.
Commissioning of the section is scheduled for 2031.
