MRE - Grosvenor Coal Mine - 20.02.2018.pdf Inspector Les Marlborough on Tuesday 20 February 2018, conducted an unannounced inspection at the Grosvenor Mine. The unannounced inspection was to review the…
MRE - Grosvenor Coal Mine - 18.01.2018.pdf Between the 6th and 8th of January there were Five (5) methane HPI's in the Tailgate of LW 102. The first when the…
It is impossible to have excess methane if the source of the methane has been removed Inspector Gouldstone notes in July 2017 that LW101 face cutting profile has been altered…
Mr Marlborough attended Grosvenor Mine to download gas data from the monitoring system. Again there was discussions about powering up the Shearer and AFC with the authorisation of the Underground…
26th OCTOBER 2017 Gouldstone METHANE INRUSHES MG 103 Development The Development has progressed beyond 29CT where the sequence was amended to include a short drill stub in the 29CT to…
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…
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…
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…
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…
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…