Open invitation to tender, deadline 27.11.2017, for safety improvement in the tunnels Fasenstaub (1,459 m) and Cholfirst (1,260 m) on the N04/06+08 motorway: geological and hydrogeological support for the phases of detailed project, tender, execution until commissioning. The duration of the contract is from 01/03/2018 to 31/12/2023. Further information from http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=988907 (german) and/or http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=988911 (french). Contact Ofrou, Winterthour, tel +41 58 480 47 11, fax +41 58 480 47 90, email beschaffung.winterthur@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=401977-2017. Ref.n. 080152. 42/17.
