E6 Clean Water Tunnel

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Tunnel Boring Machine (TBM) is considered as a method for tunnel drilling for the supply of clean water to the city. For the project E6 clean water supply tunnel a total of 12 km transmission tunnel must be constructed with an internal diameter of approx. 6.5 m. Large pipelines and other infrastructure (power, ventilation, etc.) shall be established in the tunnel. The New Water Supply Oslo project (NVO) would like to invite relevant contractors (tenderers) with relevant TBM experience to 1-to-1 discussions.