Open invitation to tender, deadline 01/04/2021, for assistance to the owner for the BLS project to design and build a protection gallery above the Mitholz railway line. The tunnel will be built as a security measure for the planned dismantling of the Mitholz ammunition depot by the Federal DDPS (Department of Defence, civil Protection and Sport).For further on the tender, please click here(German), here (French) and here. Duration contract from 01/06/2021 to 31/12/2031. Contact BLS AG, attn Silvio Gasparini, Berne, email beschaffung.bau@bls.ch. Ref.n. 1084. 09/21.