Arcadis and Sweco are among the successful bidders that have won work on the expansion of the Paris metro system from Société du Grand Paris.
News of the contract awards was made in the Official Journal of the European Union and through a press announcement from the infrastructure investor.
Under the deals announced Arcadis will undertake geotechnical design supervision on Line 15 between Saint Denis Pleyel and Champigny Centre, which covers 22km of tunnels and 10 stations.
Other contracts awarded under the same framework include geotechnical project management and design checking by Lombardi on part of the section overseen by Arcadis and geotechnical design on Line 17 between Le Bourget and Le Mesnil-Amelot by Antea. Geotechnical work on Line 18 between Orly Airport and Versailles Chantiers will be undertaken by Terrasol.
In a separate announcement, Société du Grand Paris revealed that a joint venture of Sweco, Ingerop and AIA Engineering has been appointed to undertake the civil engineering management for the tunnels, stations and viaducts for the northern extension of Line 17 from Bourget RER to Charles de Gaulle airport. The €1.8bn (£1.4bn) new link is expected to open in 2024.