The roads directorate of the Zurich canton awarded ILF Consulting Engineers a contract for the preparation of a feasibility study for the use of a TBM with a diameter of approx. 16 m for a third tube at the Gubrist tunnel. The current Gubrist tunnel is a twin-tube of 3,273 metres on the A1. Visit www.ilf.com 31-32/06.Open invitation to tender, deadline 12.12.2008 for excavation by night and at weekends of crosspassages from existing north tube to proposed third tube of 3,273 m-long Gubrist tunnel at Weiningen, Affoltern in the canton of Zurich. Contact OFROU, tel +41 52 234 4711, e-mail winterthur@astra.admin.ch Further information at www.shab.ch/shabforms/servlet/web/, http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=298584-2008 47/08.Amberg Engineering AG of Regensdorf has secured the contract to upgrade the 1,910 m-long Milchbuck tunnel on N01/40, including a new parallel 1.3 km-long safety tunnel. Contract value EUR16.34 million, completion 2013. Visit www.amberg.ch and http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=333611-2008. 02/09.Contract to prepare communication works for the proposed third tube at 3,273 km-long Gubrist tunnel at Weiningen, Affoltern awarded to ARGE Gubrist, c/o Specogna Bau AG of Kloten, value EUR3 million. Visit www.shab.ch. 04/09.