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New Zealand Wide: Christchurch, Queenstown, Auckland
CFA Piling
Continuous Flight Auger
McMillan's were the first contractor to purchase instrumented CFA pile equipment in New Zealand.
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Piles can be up to 1000mm in diameter
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Depths to 18m reinforced
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Depth to 24m unreinforced
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Ground Improvement (Reinforced & Unreinforced)
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Retaining Walls
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Secant Walls
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Foundations
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The assembled rig is moved to the pile position and the Auger is centred over the marker.
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The Auger is screwed into the ground to the predetermined technical requirement.
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Fluid concrete is pumped to the base of the auger which is concurrently extracted.
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Spoil arising's are cleared from the auger and immediate surroundings.
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Specified reinforcement is inserted into fluid concrete.
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