The open invitation to tender, deadline 07/10/2020, for vibration monitoring during construction of the 2nd tube of the Gotthard road tunnel (2TG) project on the N02 has been interrupted. The contract included the monitoring in the first tube and in the railway tunnel. For tender documents please click here (Italian), here (German), 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. 39/20.