Mark Kirsten SSE Archives - Qld Mining Crisis

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.…

A floor heave event occurred releasing CH4 gas into working face in MG104. The gas release event caused the Continuous Miner to trip power on the GB gas sensor. A hand held gas detector at the continuous miner recorded peak readings of 1.1% CH4 while the second unit presented an off-scale reading.

July 20, 2021

A Methane Inrush is a Methane Inrush no matter whether it is referred to as floor-blow incidents or methane floor blowers, or floor blowers in the goaf or floor heave events…

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…

The meeting was called at the request of Inspector Marlborough to discuss the recent 27 exceedances of 2.5% methane in the LW102 TG. Reconsidering if the bleeder could be made a return. Inspector Marlborough requested a copy of the Ventsim model which was the basis for the Mine decision to discount this option

July 19, 2021

A further 22 Methane HPI's occur between the 18th of January and the 19th of March 2018. On Monday 19 March 2018, Inspectors Marlborough, Brown and Gouldstone held a meeting…