Open invitation to tender, deadline 21.05.2012, for ventilation and smoke control systems in tunnels and stations of Lille metro Line 1. Contract duration 54 months after award. Contact Communaute urbaine de Lille, tel +33 320216148, fax +33 320213099, website http://lillemetropole-marchepublic.fr. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=100598-2012. 14/12.