Open invitation to tender, deadline 22/10/2021, for inspections of civil and E&M structures in the tunnels on the N13/N28/N29 motorways in Canton of Grisons, Switzerland. The contract is composed of 2 lots: Lot 1 (18 single tube tunnels) and Lot 2 (6 tunnels). For further information please visit http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=1215413 (Italian) or http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=1215415 (German). The duration of the contract is from 17/01/2022 to 31/12/2026.. Contact Ofrou, Bellizona, 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=443281-2021. Ref.n. 080093 EP F5 (Lot 1)/180022 EP NEB F5 (Lot 2). 35/21.
