Bohus Bergsprängning has created a 22-meter deep shaft and a 7-meter long cross tunnel in Röda Sten in Gothenburg. The shaft was made entirely without blasting, instead using a wire saw from Atlas Copco.
When regional company Gryaab needed an evacuation tunnel from its existing tunnel in Röda Sten in Gothenburg, the job went to Bohus Bergsprängning. The shaft was 22 meters deep. A seven-meter long cross tunnel, measuring 2.5 by 2.8 meters was cut between the shaft and Gryaab’s tunnel. All with no blasting at all.
"The cross tunnel could not be blasted. Vibrations could have damaged sensitive equipment in the existing tunnel. For this reason, and taking the surroundings into consideration, because there is a quayside here that is popular in summer , we proposed to the customer than the entire job should be completed using a blasting-free method."
Bohus Bergsprängning used a SpeedCut 100 wire saw from Atlas Copco for this project. The company has two wire saws of this type among its equipment.
Epiroc operated under the trademark “Atlas Copco” prior to January 1, 2018.
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