Open invitation to tender, deadline 09.05.2017, for geometric detections during the different phases of maintenance on the Spiez – Interlaken West section on motorway N08. The section includes the Laimern (225 m) and Leissigen (2.2km) tunnels. The duration of the contract is from 01.08.2017 to 31.12.2029. Further information from http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=960039 or http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=960241. Any request for clarification, written in german, to be sent before 18.04.2017.Contact Ofrou, Thun, tel +41 (0) 58 468 24 00, fax +41 (0) 58 468 25 90, e-mail beschaffung.thun@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=123509-2017. Ref.n. N08.52-001/080293. 13/17.