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Over 10 percent excavated

16 Feb 2017

The four Follo Line Tunnel Boring Machines have excavated almost 4,5 km of tunnel, which is over 10 percent of the total tunnel.

In September 2016 the first TBM, named “Eufemia”, started boring towards Oslo. TBM “Ellisiv” joined the excavation towards Oslo in October, before “Anna fra Kloppa” and “Magda Flåtestad” started towards Ski late 2016. Each machine will bore approximately 9 km of tunnel over a two year period.