Open invitation to tender, deadline 04.02.2014, for improvement of the section Conservatorio-Los Espartales, Line 12, Metrosur, Madrid. Value of contract EUR7 million, excluding VAT, duration 28 months from award. Contact Consejeria de Transportes, Infraestrestructuras y Vivienda, Madrid, tel +34 915803576, fax +34 915803140. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=434345-2013. Ref.n. 06-CO-29.8/2013. 52/13.