Published 29th September 2018
On behalf of the Rana Municipality in the county of Mo I Rana, Norhard has delivered two tunnels - one with a length of 940 m the other with a length of 170 m - both with a diameter of 0.7 m and over an increase of a 2.6° angle.
In the project agreement, great demands were made on accuracy for the drilling curve, desired target point and slope conditions.