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Abstract: The northern tunnel contract on the Follo Line project, EPC D&B, is excavating the last part of the Follo line through Ekebergåsen. One of the main challenges on the project is the closeness to the already existing infrastructure and caverns. Several of the tunnels on the project will cross or come very close to this infrastructure, and there are several challenges related to the low overburden...
Abstract: The northern tunnel contract on the Follo Line project, EPC D&B, is excavating the northern part of the Follo Line through Ekeberg Hill. One of the main challenges on the project is the closeness to the already existing infrastructure and caverns. Several of the tunnels on the project will cross or come very close to the existing infrastructure, and there are several challenges related to the...