Weekly incident summary - week ending 5 June 2020
56 reportable incidents, 2 summarised below
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Dangerous incident | IncNot0037487
Underground metals mine
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Summary: A crew was conducting a flush of a paste pipe reticulation system between levels. Upon inspection of the system at one level, there were no visible signs of the flush. Following confirmation from the paste plant that the pressure in the pipes had dropped from a peak of 350kPa to 60kPa, the crew confirmed with the paste plant that they wanted the pressure released from the system.
The crew proceeded to another level to remove a blast cap for inspection, and while a crew member was undoing clamps on the pipe, the blast cap blew off. This released the built-up water pressure in the system. One worker reported temporary hearing loss from the incident. No other injuries were reported.
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Comment to industry: Relief valves should be installed at inspection points in reticulation systems to dissipate pressure before removing any caps from the system.
Mine operators should review how workers and supervisors are trained to recognise the potential hazards associated with all energy sources. This is especially important when there is the potential for unexpected stored energy, associated with blockages, to be released without warning.
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Dangerous incident | IncNot0037506
Underground coal
Principal mining hazard: Fire or explosion
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Summary: A mine worker saw a flash from a 1000 volt conveyor drive motor junction box. The electrical protection system activated and shut down the conveyor. There were no injuries.
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Comments to industry: This incident is being investigated and further information may be published at a later date.
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You can find all our guidance and incident related publications (that is, safety alerts, safety bulletins, incident information releases, weekly incident summaries and investigation reports) on our website: resourcesregulator.nsw.gov.au
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*While the majority of incidents are reported and recorded within a week of the event, some are notified outside this time period. The incidents in this report therefore have not necessarily occurred in a one week period. All newly recorded incidents, whatever the incident date, are reviewed by the Chief Inspector and senior staff each week and summarised in this report. For more comprehensive statistical data refer to our Safety Performance Measures Reports and our Business Activity Reports
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