Open invitation to tender, deadline 15.11.2013, for developing the refurbishment project for deformed zones in the 4,027m Gotschna tunnel on N28. Contact Ofrou, Bellinzona, e-mail: acquistipubblici@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=339622-2013. Ref. n. 110050. 41/13.
