Restricted invitation to tender, deadline 03.04.2013, for sewer tunnel, vertical shafts and related facilities construction, as well as arrangements for the connection between new and old sewer in Helsinki. Access tunnel length 155 m. Sewer tunnel cross-section mainly 16 sq m with a total length of about 2,700 m. Four vertical shafts 15-26 m to the bottom of the tunnel. Duration works July, 2013 to December, 2015. Contact Helsinki Region Environmental Services Authority, att.n Mitja Huttunen, Helsinki, tel +358 915613296, e-mail hankinnat@hsy.fi. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=085634-2013. Bid Code n. 158/10/105/1050/2013. 11/13.
