Marlborough 168 Directive extended 13th OCTOBER 2017
The sketch below shows a typical layout when the LW Shearer is in the TG end of the Longwall. The Methane monitor on the TG Drive, is typically positioned above…
Longwall Methane Ignition pre September 2017
What was identified as the likely souce of Ignition? Was the AFC powered and running? Were any flame paths found on the shearer? From the Marlborough MRE date the 13th…
Marlborough 168 Directive Tailgate Methane12th September 2017
Has the Methane ignition risk been assessed for this in the risk assessment when developing this TARP? Were any alternatives considered, such as; preventing shearer access into the TG should…
Methane High Potential Incidents and Non-Reportable Incidents
Non-Reportable Methane Incidents gets defined by Inspector Gouldstone in July 2017. MRE - Grosvenor Coal Mine - 19.07.2017.pdf THE TERM NON-REPORTABLE INCIDENT IS NOT USED IN THE COAL MINING ACT…
55 Longwall Methane HPI’s 2017 to December 2019
One thing is blindingly obvious is that the Sensor on #149 only gets one mention as going over 2.5% once in 55 HPI's. Whatever they did with venturis and butchers…
Methane Exceedances Mine Record Entry 15th May 2019
On 15 Jun 2019, at 7:53 am, one of the Mines Inspectors wrote to the Site Senior Executive Mr Trent Griffiths about Methane Exceedances in the Tailgate of the Longwall…
Methane HPI’s 18 at Grosvenor January till June 2019
Methane HPI's Grosvenor 2019 There were 18 Methane HPI's at Grosvenor Mine from 1st Jan till end of June 2019. There are a number of similar occurences. How similar is…
Methane 29 HPI’s Grosvenor 2018
Methane HPI's 2018 Grosvenor Attached are a summary of the 29 Methane HPI's for Grosvenor in 2018
Methane HPI’s Grosvenor 2017
Methane HPI's Grosvenor 2017 Attached is a summary of the Methane HPI's at Grosvenor Mine in 2017
Pike River A Failure to Learn
The Pike River Mine disaster was a coal mining accident that began on 19 November 2010 in the Pike River Mine, 46 kilometres (29 mi) northeast of Greymouth, in the West Coast Region of New…