Negotiated invitation to tender, deadline 22/03/2021, for infiltrations treatment and lining repair in stations, tunnels and corridors on the metro and RER lines in Ile de France. For tender documents please click here, where tenders must be sent and here. The value of the contract is EUR4.80 million. The contract duration will be 36 months. Contact RATP, attn Yann Morvan, Paris, tel +33 158769846, email yann.morvan@ratp.fr. Ref.n. DHA-2020GDI16035. 07/21.