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EXTENSIVE
TUNNEL AND
CONSTRUCTION EXPERIENCE

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25 percent completed tunnel

25 percent completed tunnel

19 Jun 2017

The four tunnel boring machines on the Follo Line have so far drilled over ten km tunnel, that is, just over 25 percent of the total length.

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Over 10 percent excavated

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.

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Gives prize to charity

Gives prize to charity

15 Dec 2016

Workers at the segment factory gave their prize to charity. 

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WHAT IS A TBM?

Tunnel boring machines (TBM) are used to make a complete and tight tunnel in one process. On the Follo Line Project AGJV will use TBMs to build Scandinavia’s longest tunnel, on behalf of Norwegian government’s agency for railway services (Bane NOR).

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