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Richard LeBreton works in one of the planet’s most unique and remote locations: a diamond mine on an isolated island that sits 300 kilometres northeast of Yellowknife, and 200 km south of the Arctic Circle. In winter, temperatures at the site in Lac de Gras regularly reach -40, and an ice road is required to transport supplies. All in all, it’s a geotechnical engineer’s dream come true.
“The Diavik Diamond Mine is a technological marvel,” he says. “The work itself is a prime opportunity to develop outstanding experience in my field. I pinch myself every day.”
To access the ore, dikes had to be constructed to hold back the waters of Lac de Gras. Mr. LeBreton, a native of Petit-Rocher, N.B., is charged with making sure the massive surrounding walls of granite don’t collapse.
“I ensure that the work environment remains stable,” he says. “It’s very specialized, challenging work. We’re dealing with the Canadian Shield,” which is a vast expanse of Precambrian rock that covers more than half of Canada.