Open invitation to tender, deadline 31.07.2012, for assistance service during construction of noise protection on Albacete-Nudo de la Encina and Caudete-Alicante section and the civil protection installations in the tunnels Las Barrancadas (2,856 m), Sierra de las Aguilas (1,227 m), Serreta (301 m) and Canal de Acceso (1,067 m) on the Albacete-Alicante section on the Madrid-Castiglia La Mancia/Murcia AV line. Contract duration 11 months, value EUR 900,342, excluding VAT. Time limit for receipt of requests for documents or for accessing documents: 24.07.2012. Contact Adif, attn Mendez Alvaro, Madrid, tel +34 917744837, fax +34 917745814, e-mail mjmoro@adif.es. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=189277-2012. 28/12.