Breakthrough at Nottveit
- Norhard AS
- Apr 14, 2019
- 1 min read
Updated: Apr 26, 2019
Published 25th May 2018
Breakthrough at Nottveit with a pilot hole diameter of 0.7 m on May 20 after drilling 460 m. This tunnel will be re-drilled to extend the pilot hole diameter to 1.2 m during the winter of 2018/2019
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