Open invitation to tender, deadline 10/04/2020, for the design of a purging and cleaning system for long pipes for the East and West interconnection tunnels of the Brenner Base Tunnel. For tender documents https://bbt-se.vemap.com where tenders must be sent. The value of the contract is EUR260,000, excluding VAT. The duration of the contract is from 15/04/2020 to 31/12/2024. Contact Brenner Base Tunnel BBT SE, Innsbruck, tel +43 5124030, fax +43 5124030110, email ava@bbt-se.com. For further tender information please click here. Ref.n. AP328. 12/20.