Experts of the state commission investigating the accident at the Yubileinaya coalmine in the Kemerovo region said a short circuit had caused an explosion

Tuesday, December 10, 2019

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Experts of the state commission investigating the accident at the Yubileinaya coalmine in the Kemerovo region said a short circuit had caused an explosion that killed 39 coalminers on May 24. The experts on Monday examined the part of the coalmine where the methane explosion had occurred 520 metres under the ground. “The coal combine cord became taut and pulled put of the input equipment” causing a short circuit on the tunnelling machine and provoked a methane explosion, the commission said. Its experts are investigating what caused “the explosive concentration of methane” in the mine. A member of the commission said that if methane concentration in this part of the mine had not been so high, the tunnelling machine would simply have been deactivated after the short circuit. He said the equipment in the mine had not been seriously damaged and the concentration of methane in the mine had normalised, allowing the commission to investigate the accident. The regional branch of the Federal Service for Environmental, Technological and Nuclear Supervision (Rostekhnadzor) said repairs in the mine would begin only after the end of the investigation. Rostekhnadzor has given the commission 15 days to investigate the accident.

Print Experts of the state commission investigating the accident at the Yubileinaya coalmine in the Kemerovo region said a short circuit had caused an explosion

Bookmark Experts of the state commission investigating the accident at the Yubileinaya coalmine in the Kemerovo region said a short circuit had caused an explosion