Crown Bridges alliance, Helsinki
We carried out the largest tunnel blasting contract in our history in the world's biggest underground iron ore mine in 2009 - 2014.
Kiirunan kaivos / Kiruna Mine
Swedish LKAB is Europe's leading producer of iron ore. Kiruna mine in northern Sweden is the world's largest underground iron ore mine. The mine employs 2 000 employees.
The mining job risks are different than any other in rock engineering. “Even minor power outages or fires may suspend work for a long time,” says Regional Director Kari Korhonen from YIT.
"One of the big challenges of Kiruna contract was a correct resourcing of Sweden's northernmost town. We acquired, for example, new machines and left the old ones as a reserve to speed up work. We completed the work sooner than scheduled and with the highest quality, according to the inspector,” says Kari.
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