ramp decline, max depth ?

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wpgmoney

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ramp decline, max depth ?

posted on Jun 07, 2010 06:24PM

Anyone know how deep SGR can go with the decline ramp in the 007 zone and beyond ? google returned " The optimum “changeover” depth from ramp haulage to shaft hoisting is 350m (1,150 feet). Source: Northcote and Barnes" Source : http://www.mcintoshengineering.com/HardRockMinersHandbook/HardRockMinersRulesofThumb/MineLayout

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