07 Apr Copenhagen Metro line M4 to Sydhavn Posted at 14:10h in Buildings by andermanngroup 2018 – 2025 Client: TUNN3L JV (main contractors Hochtieff – Vinci) Project:4,5km of Double TBM Tube, 5 Underground Stations Remote Services: Temporary Works Design Special Design Consultancy Permanent Steelworks Design Non-Conformancies Resolution 3rd Party Check of Several Design Packages Construction costs: 500 M euro