Open invitation to tender, deadline 27/06/2022, to give general support to the contracting authority in the E&M and construction works for the modernization of the Mappo-Morettina tunnel (5518 m) on the N13. For tender documents please click here (Italian) and/or here (French). Duration of the contract is from 03/11/2022 to 30/06/2029. Contact Ofrou, Bellinzona, tel +41 58 469 68 11, fax +41 58 469 68 90, email acquistipubblici@astra.admin.ch. Collegarsi a e a http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=261121-2022. Ref. n. 190102. 20/22.
