Invitations to tender

The green pages report about requests for proposals (RFPs), expressions of interest (EOI), invitations to tender (with or without prequalification stage) and calls for bids related to engineering studies (feasibility, preliminary studies, conceptual or detailed designs, environmental impact studies, geological and geotechnical surveys, etc.), civil works and construction supervision for new tunnels. Shortlisted/prequalified companies are disclosed when available. Technical details are provided as well as contact people and web links to the tender announcements and associated documents.