Investigation is over into the 2009 accident at the Sayano-Shushenskaya hydropower plant in Russia.
According to the official spokesman of Russia's Investigative Committee , Vladimir Markin, the plant director, chief engineer and his two deputies, as well as three staff members, responsible for equipment monitoring, have been charged with safety rule violations.
The Sayano-Shushenskaya hydropower plant accident which took place in August 2009 proved one of the biggest of its kind. 75 people died, while the plant itself was badly damaged.
Investigators found that the tragedy had been caused by the wear and tear of the turbo-generator unit equipment in the turbine room.
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