Open invitation to tender, deadline 08.03.2013, for maintenance of signalling equipment in Communaute urbaine Marseille Provence Metropole tunnels: Joliette/Major (1.4 km), Vieux Nord-Sud and Sud-Nord (3.8 km), St Charles (780 m) and their adits. Contract duration one year, value EUR280,000 excluding VAT. Tenders have to be sent to Communaute urbaine Marseille Provence Metropole, Marseille, tel +33 491999900, fax +33 491997196. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=026652-2013. Bid code n. 2013-015. 05/13.