MINING out of it !” They decided on a twin-decline ramp system to connect the ore bodies . One decline is for people and supplies , the other is a conveyor decline each 3.6 kilometres in length .
Pushing the boundaries
The key requirement was to get the tunnels advanced quickly . “ We started rather late , so we called for a 10.5 metre daily advance on two faces , though most contractors wouldn ’ t commit to more than seven .” The challenge was taken up by the Australian contractor Byrnecut , which managed to achieve this unprecedented
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