Open invitation to tender, deadline 21.06.2012, for construction of the platform of the left track 7.6 km Prado tunnel section on the Madrid-Galicia high speed railway, North-North West corridor. Contract value EUR107.98 million, VAT not included, duration 34 months. Time limit for accessing documents 14.06.2012. Contact Adif C/Titan, Madrid, tel +34 917744837, e-mail mjmoro@adif.es. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=147971-2012. 20/12.