Open invitation to tender, deadline 05/11/2020, for vibration monitoring during construction of the 2nd tube of the Gotthard road tunnel (2TG) project on the N02. The contract includes the monitoring in the first tube and in the railway tunnel. The duration of the contract is from 01/01/2021 to 31/12/2030. For tender documents please click here (German), here (Italian), here (French) and here. Contact Ofrou, Bellinzona, tel +41 58 469 68 11, fax +41 58 469 68 90, email acquistipubblici@astra.admin.ch. Ref.n. 120043. 41/20.
