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Norway

Norway, Skatestraum - no/27

Fjord Crossing

  1.89 km-long x 54 sq m two-lane fjord crossing to connect island of Bremanger to mainland under construction by Statens Vegvesen using Atlas Copco Rocket Boomer WL3 C drillrig in gneiss, phyllite, serpentite and some banded gneiss with quartz. Single 300 m-long exploration hole directionally drilled from shore to intersect alignment. Six 27 m-long probeholes maintained with minimum 7 m overlap, and grouting undertaken if water make exceeds 10 lit/min in any single hole. Four 2.4 m-long Orsta Stahl grouted rebar rockbolts with 1.5 cu m steel fibre reinforced shotcrete per metre advance. Visit www.atlascopco.com and www.vegvesen.no/sognogfjordane Sept 2000.



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