Invitation to tender by restricted procedure, deadline 28.08.2012, for PS Structural Engineering of the Western Metro extension from Matinkyla to Kivenlahti in Helsinki. Contract duration 01.11.2012 to 28.06.2019. Contact Espoo City Council, Espoo, e-mail hankinta@espoo.fi. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=232571-2012. 31/12.