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20/05/2002
EGT RIG FEATURES IN NO DIG INTERNATIONAL
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For readers of the magazine NDI, there is an interesting article in the May 2002 edition about the trail blazing crossings installed in Hong Kong by A J Lucas using a EGT 400T rig. The longest drill was 1,320 metres installing a 584mm duct in 762mm casing. The bores were carried out through both solid granite and granite boulders using Numa pneumatic rock boring tools.
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