Invitation to tender using restricted procedure, deadline 15.02.2012, for surveillance and security system in the 8 km-long underground section of the ring rail line (formerly known as Marja line) to Helsinki Vantaa airport. Contact Liikennevirasto, attn Maija Salonen, Helsinki, tel +358 206373834, e-mail etunimi.sukunimi@liikennevirasto.fi. Tenders to Liikennevirasto PL 33 (Opastinsilta 12 A, 2.krs), attn Kirjaamo Dnro 957/0820/2011, 00521 Helsinki. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=025712-2012. 04/12.
