Invitation to tender by negotiated procedure, deadline 02.11.2009, for construction of ventilation shaft and associated works between Louvre and Chatelet stations on Metro Line 1 at Rue de Rivoli in Paris district 1. Duration of works 11 months from award. Further information, specs and docs from Cecile Migeon at RATP, F-75980 Paris Cedex 20, tel +33 158769-920, fax -368, e-mail cecile.migeon@ratp.fr to whom tenders or requests to participate should be sent. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=268115-2009. 40/09.