Open invitation to tender, deadline 01/10/2019, for the
planning of sub-phase 41 (tendering from bids to awards) and of sub-phase 52
(construction management) for the refurbishment of the two old tubes of the
Gubrist tunnel (3310 m) on the N01 Zurich northern ring road extension.
Duration of the contract is from 01/11/2019 to 31/12/2027.
Further information click here and here. Contact Ofrou, Winterthur, tel +41 58 480 47 11, fax +41 58 480 47
90, email beschaffung.winterthur@astra.admin.ch. For bid documents click here .
Ref. n. 100047. 34/19.
