Open invitation to tender, deadline 20.08.2013, for environmental monitoring during the implementation phase for the extension of the N01 Zurich northern ring road, including future third tube and the two existing tubes of Gubrist tunnel (3,273 m, 3,273 m). Duration of contract from 01.01.2014 to 31.12.2025. Contact OFROU, Winterthour, e-mail beschaffung.winterthur@astra.admin.ch. Visit http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=780417 and http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=208340-2013. 28/13.
