Open invitation to tender, deadline 24.04.2017, for the provision of an emergency telephone system in the following tunnels Murgwald (1,400 m), Quarten (1,040 m), Fratten (310 m), Hof (560 m) and Raischibe (780 m) on the N03/76 Murg-Walenstadt motorway (Lot 605). The duration of the contract is from 01/07/2017 to 31/12/2021. For further information http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=958575. Contact Ofrou, Winterthur, tel +41 58 4804711, fax +41 58 4804790, e-mail beschaffung.winterthur@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=102989-2017. Ref.n.080414 N03/76. 02/17.