In London they are digging a 32km tunnel using TBM's to carry 400kV AC lines. | Hacker News

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7952 on Dec 21, 2012 | parent | context | favorite | on: Engineering Pornography (2002)

In London they are digging a 32km tunnel using TBM's to carry 400kV AC lines.

Swannie on Dec 21, 2012 [–]

They are? Cool, I've not heard of this one. Any references?

7952 on Dec 30, 2012 | [–]

http://www.londonpowertunnels.co.uk/

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