S 320 secondary working plans

Grosvenor 29 LW Methane HPI’s in 2019 and 14 in 2020 before the Ignition on May 6th. What happened to May 2018 “It was also acknowledged that continued HPI’s with Methane greater than 2.5% was not satisfactory and the mine must ensure that such HPl’s are minimised, and preferably eliminated going forward.”? SWEET F… ALL!

  • July 30, 2021

It was also acknowledged that continued HPI’s with Methane greater than 2.5% was not satisfactory and the mine must ensure that such HPI’s are minimised, and preferably eliminated going forward.…

In addition, the manager, albeit prompted by others, arranged for a risk assessment of the proposed extraction design.  The assessment made scant reference to spontaneous combustion and then only with a low level probability that it could arise from the extraction of bottom coal.  Moreover, the consequence of an occurrence was rated at the lowest safety level, mentioning short panel life and use of continuous gas monitoring as existing safeguards

  • July 21, 2021

This Mining Inquiry comment has a familiar ring  after the Grosvenor Inquiry. Mine Manager being prompted about spontaneous combustion risk assessment. Spontaneous Combustion rated low. Use of continuous gas monitoring…