Europe – France | Grand Paris Express Line 18 – West Tunnel Ventilation Works (Saint-Quentin Est–Versailles)
Client / Awarding authority: Société des Grands Projets (SGP)
Winning contractor(s): Cegelec Paris (France) SDEL INFI (France)
Project scope:
Design, supply and installation of ventilation, decompression and smoke extraction systems for the West tunnel section of Line 18 of the Grand Paris Express between Saint-Quentin Est and Versailles work sites.
Tunnel characteristics:
Railway tunnel (metro); West tunnel section of Line 18. Tunnel length not disclosed. Works include operational ventilation, emergency smoke extraction and pressure relief systems.
Contract value: EUR 19.75 million
Duration: 57 months
Location: Yvelines department, Île-de-France, France
For further information pleas visit the TED - https://ted.europa.eu/en/notice/-/detail/24660-2026. 03/26.
