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  • Simen Haughom

Breakthrough - Nottveit

Updated: Dec 6, 2019

Last week we completed the drilling of a 460 m long tunnel on behalf of Nottveit Energi AS.


This project was drilled in 2 sections, the first being the 0,7 m pilot hole, and the second section was reaming the pilot hole to a diameter of 1,2 m.


The tunnel started with a 5 degrees incline, and ended at 55 degrees.






The construction site was 100 m inside a tunnel hall.





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© 2019 by Norhard AS

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