Luca Rocchi Archives - Page 3 of 10

It was also acknowledged that continued HPl’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. OR WHAT?

July 19, 2021

This is the concluding paragraph of the Inspectors MRE from the 19th of May 2018. It was also acknowledged that continued HPl's with Methane greater than 2.5% was not satisfactory…

One mandatory action was identified and a further 3 recommendations from Gas Management audit at Grosvenor Mine from 17 April to 19 April 2018.

July 19, 2021

Inspectors of Mines, Richard Gouldstone, Les Marlborough and Paul Brown conducted a Gas Management Audit at Grosvenor Mine from 17 April to 19 April 2018. It is a a very…

Following exerted pressure from the Department and greater recognition by Mines of the hazard of elevated methane levels, substantially more effort and investment had been made into methane drainage capacity and efficiency. This was clearly increasing the amount of gas drained, decreasing operational downtime by early intervention to avoid exceedances rather than cutting to trigger trip events. Most importantly risk was being reduced.

July 18, 2021

Between the 6th and 8th of January there were Five (5) methane HPI’s in the Tailgate of LW 102. The first when the Longwall had retreated 29m and the last…

Grosvenor Inquiry. There were, can I suggest, 27 methane HPIs on longwall 102? There was an acknowledgment that continued HPIs with methane greater than 2.5 per cent was not satisfactory and the mine must ensure that such HPIs are minimised and preferably eliminated going forward?

July 16, 2021

At the Grosvenor Inquiry, Inspector Smith was taken to the MRE of the 8th of May 2018 by Inspectors Marlborough and Gouldstone where the number of Methane HPI's since LW…

North Goonyella, Grosvenor, Moranbah North. The only time Mines Inspectors use S167 Directive to suspend operations for unacceptable level of risk is after the event. What does it take for the Mines Inspectorate to get proactive and stop what seems to be a group of Incompetent Bullies before the event?

July 11, 2021

The Mines Inspectors have at least been consistent when the do use a Section 167 to suspend operations for unacceptable level of risk at Queensland Coal Mines over the last…

“There’s a public interest there from time to time. We have to address public interest, I believe. If someone’s … very badly burnt [for example] we’re obligated to do something about that. Specially when … we investigated [and] found [it was] eminently avoidable.” Queensland Mines Inspector statement from 2008 Ombudsman Report

July 11, 2021

This excerpt is from the Ombudsman Report in 2008 on page 101 (126 of 188). Ombudsman Inspectorate 08 If only this sentiment was in existence at the Mines Department (RSHQ).…

Mines Inspectors, No Section 167 Directives to “Suspend Operation” for an Unacceptable Level of Risk and Grosvenor Mine due to illegal and up to explosive levels of methane on production faces

July 1, 2021

Throughout the Inquiry there has been talk about Directives issued by RSHQ. I am in possession of a large number of the Mine Record Entries dating from 2015 on. While…

Secondary Extraction Plans Notices and Approval. Moura No 4 Windridge Inquiry Panel Design Recommendations and Inspectors Approval Changed

April 13, 2021

In several posts I have mentioned the Second Workings Standard Operating Plans and how they are required to be submitted by notice to the Mines Inspector prior to Second Working…

The theories advanced by various expert witnesses over the last 3 weeks to justify their theory do not account for known facts at Grosvenor. Ethylene was first detected 39 to 41 c/t C heading. This area is the Highest Risk Areas for Spontaneous Combustion Heatings and where Ethylene detected in March 2020 on LW 104 using “Little Britton” Ventilation Arrangement with its inherent design flaws

April 5, 2021

For the last several weeks, we have heard ad-nauseum about the the complicated scenario of a A small intense PUR driven spontaneous combustion event that no one detected prior to…

Coal Pillar Fire References from Development of a spontaneous combustion principal hazard management plan for underground coal mining operations.

April 5, 2021

From the 2021 NSW TRG Development of a spontaneous combustion principal hazard management plan for underground coal mining operations. 3.3.2. Known prevention controls for spontaneous combustion Elements of mine design…