Open invitation to tender, deadline 25.04.2018, for tunnel infrastructure, delivery, installation and commissioning of the optical fiber, MV and LV cable, firefighting cables and lighting in the tunnel for the rehabilitation and maintenance works of the 3.2 km-long twin tube Belchen tunnel on the N02 (Lot 72). Contract duration is from 01.07.2018 - 27.08.2021. Further information from http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=1009377. Contact Ofrou, Zofingue, tel 41 58 482 75 11, fax +41 58 482 75 90, email zofingen@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=095159-2018. Ref.n. N02, 080008, EP STB. 10/18.