Open invitation to tender, deadline 10.12.2010, for construction of parallel safety tunnel alongside 1.3 km-long Milchbuck tunnel in Zurich, with 300 cu m open air reservoir to the south. Tunnel construction involves excavation of 20,000 cu m solid rock, 7,000 cu m sprayed concrete, and 510 t of reinforcement steel. Emphasis on high quality construction, under thin cover in urban area, without vibration or subsidence. Contract duration 02.05.2011 to 30.06.2013. Contact point for specs and docs, and address to where tenders or requests to participate must be sent: OFROU, Gruezefeldstrasse 41, 8404 Winterthour, Switzerland, attn: Offre N01-40 SIS/N01-40 ENT, tel +41 5223447-11, fax -90, e-mail winterthur@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=313112-2010. 42/10.
