Drilled piling uses down-the-hole hammers and drill bits to simultaneously install casing as the pile bore is drilled through the ground, with compressed air or water used to flush cuttings from the borehole.
Drilled piling uses down-the-hole hammers and drill bits to simultaneously install casing as the pile bore is drilled through the ground, with compressed air or water used to flush cuttings from the borehole.
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