The approximately 700m long tunnel with a diameter of 740mm was finished in full length with steel pipe Ø660mm on June 25th - 2 weeks after the start of the lining work.
Lining Tverrelva Power Plant
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The approximately 700m long tunnel with a diameter of 740mm was finished in full length with steel pipe Ø660mm on June 25th - 2 weeks after the start of the lining work.