ENVIRONMENT

Methane detectors bypassed in Qld underground mines

THE Queensland Mines Inspectorate has investigated three incidents where methane detectors fitted to underground coal mine explosion protected diesel engine systems have been found to have been bypassed.

The explosion protected diesel engine did not shut down as expected.

The explosion protected diesel engine did not shut down as expected.

It is generally not known how long the machines had operated underground at the mines with the methane detector bypassed. On November 14 weekly methane detector gas calibration checks were being carried...

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