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Continuous flight auger piles→
Quick to install, cost-effective and suited to almost any unobstructed ground, including made ground and high water tables.
How it works
A continuous flight auger (CFA) rig screws a hollow-stemmed auger into the ground to the design depth in one continuous run. As the auger is withdrawn, concrete is pumped down through its hollow stem, so the soil around the bore is supported the whole time. The reinforcement cage is then pushed into the wet concrete.
Our CFA rigs install piles up to 900mm diameter and up to 25m deep. They’re typically used on larger open sites, but they also work on individual house plots, retaining walls and retro-fit basements.
When it’s used
CFA piles are typically considered for all unobstructed ground conditions, including made ground and ground with a high water table.
Advantages
- Minimal vibration, so it’s ideal next to buildings and underground services
- Works in most ground conditions
- Quick to install and cost-effective
- Low noise
- Can be designed to overcome the adverse effects of ground heave
Flexible construction packagesYour project, your way
Let’s get your project off the ground.
We can deliver the full package below ground, from design calculations and mini piling to reinforced concrete works, or install piles to your own engineer’s design. Either way, your building gets foundations that stand the test of time.