Open invitation to tender, deadline 01.07.2016, for the refurbishment of the 172 m Giarsun tunnel on the Guarda -Ardez section of the Rhaetian Railway. The tunnel will be replaced with a new construction on the same route. The main work will be performed in the spring of 2019 during a 4 month period. There will be a complete closure of all railway operations at that time. A briefing meeting on the submission tender will be held on 25.05.2016 at 02:00 p.m. in Chur. Attendance at this meeting is mandatory. For further informationhttp://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=915213. Contact Rhaetische Bahn AG, att.n Paul Loser, Chur, e-mail paul.loser@rhb.ch. Visithttp://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=171520-2016. Ref.n. 003 161. 21/16.