Invitation to tender by negotiated procedure, deadline 26.03.2010, for three niches, an operations sidewalk and tunnel widening (lot T4) of the Porte d'Orleans-Montrouge extension on Line 4. Contract duration 10 months. Contact Mrs Isabelle Forn at RATP in Paris, tel +33 158769926, fax +33 158771381, e-mail isabelle.forn@ratp.fr. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=063937-2010. 10/10.Negotiated procedure, deadline 26.03.2010, for masonry and painting work (lot T5) of the Porte d'Orleans-Montrouge extension on Line 4. Duration contract 18 months. Contact as above. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=063938-2010. 10/10.