An icebreaker heads to the mines of northern Canada
BY ANY standards the Voisey’s Bay nickel mine is remote. Diamond prospectors found the deposit near the coast of Canada’s easternmost province of Newfoundland and Labrador in 1993 (see map); the mine, which is operated by Vale of Brazil, opened in 2005. No roads connect it to the outside world. Although a giant hydroelectric plant is just 365km (230 miles) away, at Churchill Falls, the mine gets no power from it.
The 300 mine workers can be flown in and out. The nickel has to be shipped—no easy task when the bay is closed off by sea ice for six months a year. The only way to get ore out all year round is with a polar-class icebreaking bulk carrier, the Umiak I. It makes 12 trips a year.
The Umiak I is the world’s most powerful icebreaking cargo ship. It has a reinforced hull and a soupspoon-shaped bow that rides up over the ice, which can be as thick as ten metres in places. The ship is powered by a 30,000 horsepower engine, large enough to drive an oil tanker ten times its size. Satellite imagery helps identify where the ice is thickest.