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Post by dazbt on Jun 17, 2016 2:36:21 GMT -5
Just heard a snippet on radio, no details other than "gas blowout".
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Post by dazbt on Jun 17, 2016 2:41:42 GMT -5
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Post by John on Jun 17, 2016 14:18:47 GMT -5
Just heard a snippet on radio, no details other than "gas blowout".  ?? seam below the Boulby seam??
First major gas blowout was in the south side with one of the first Heliminers, driver died from severe chest injuries sustained by large rocks.. Company said this was NEVER going to happen again, front of Heliminer cabs had a thick hardened glass window fitted, with steel slats welded in front of that, nearly cost a driver his head, he couldn't see very clearly, so leaned out the cab while tramming the CM, very lucky man!!
CPL initiated advanced drilling techniques as well before a CM was allowed in a heading to cut the ore.
Next blowout was in the West district, just a small development, they drilled and undercut a heading fired it and had to have the whole mine cleared, gas pocket was huge, had they not evacuated the mine, men would have been overcome by high levels of methane and CO2. Levels of methane measured at the top of No1 shaft were in the high explosive ranges for several hours!!
Rumours were the fired heading had 100 yards of rock down...I thought that was total BS, I went down as it was pretty close to the central area that I covered, the headings were about 14 feet high, the fired heading was filled with shale to within a foot or so of the roof, I climbed up the shale and shone my light over it, I couldn't see the end of the heading at all.. Must have been at some pressure to blow that much shale down.
I wonder if the miner who died was hit by flying debris or overcome by high concentrations of methane?? |
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?? seam below the Boulby seam??