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Gold/Mining/Energy : Gold and Silver Juniors, Mid-tiers and Producers -- Ignore unavailable to you. Want to Upgrade?

To: hank2010 who wrote (32434)	2/9/2007 3:43:49 PM
From: E. Charters	Respond to of 78424

The question is always.. what actually happened.. and what should have been done about it. The miners made many bitter allegations about management negligence. Supers putting bubble gum in detectors. Personally I would fire anyone chewing bubblegum on general principles. There was supposed to have been a gasoline tractor in the main ramp. Not that the main ramp has much danger as there is no coal there. And the air is blowing down not up. It was supposed to have been a motor that went out of fix and caused a spark. The motors are supposed to be explo proofed every so often. Perhaps maintenance fell behind. Perhaps faulty motor engineering. But we know ventilation was inadequate in that pulstory high methane fault. They were playing with fire. It was acknowledged a hazardous fault. Prone to sudden high excursions of methane that could flood a ventilation system. They should have had pullouts as soon as excursions were found. All it takes is one drift, with about 9% in that drift and one vent motor trying to extract it, and whump! up the mine goes and all the coal catches fire, all the choke and all the methane throughout... Most of the miner explosions and disasters have been found in the States to be a result of bad ventilation. We had courses about that very problem at Hailyebury. Our professors had worked as consultants on several disasters in the states and found meagre air. Except at Denison, which ironically Benner worked at, the ventilation of most mines I worked at was not noticeable. Even Kerr Addison which had such good clearance that you could blast around the clock throughout the shift, the "wind" was no hurricane. It would be totally inadequate for coal. Coal needs Denison-like ventilation. In the drift at Denison you could lean against the vent wind.. it just about took your helmet off! EC<:-}