Yvroud from Aiton secured the EUR 19.72 million contract, excluding VAT, for study, delivery, installation and maintenance of tunnel ventilation and smoke extracting systems in tunnels on the RATPS network (metro, railway and tramway). Click here for further information on the tender. Contact RATP, attn Frederic Grando, Paris, email frederic.grando@ratp.fr. Ref.n. DHA_2020GDI15518. 14/21.