Open invitation to tender, deadline 13.10.2017, for signal work within the 4,027m Gotschna tunnel on the N28. The duration of the contract is from 03/01/2018 to 31/12/2018. For further information http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=982907. Contact Ofrou, Bellinzona, tel +41 58 469 68 11, fax +41 58 469 68 90, email acquistipubblici@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=344840-2017. Ref. n. 130052. 35/17.
