Open invitation to tender, deadline 28/05/2020, for the design and construction of the Brutten bi-tube tunnel, length 9km, on the Zurich- Winterthur railway corridor, part of the Improvement Programme. The duration of the contract is from 01/12/2020 to 31/12/2035. Contact SBB Infrastruktur, attn Josef Sautter, Zurich, email josef.sautter@sbb.ch. For tender information please click here and here. 14/20.
