Deep Foundations Built And Recorded To Standard
When ground conditions cannot support a structure at shallow depth, load has to be carried down to competent strata. Cigeotech constructs bored and continuous flight auger piles using our own rotary rigs — with the drilling expertise of a geotechnical firm behind every shaft.
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Our Crews Read The Strata As They Bore
Because ground investigation is our core discipline, deviations from the design assumption are flagged and resolved rather than concreted over. Concrete volume placed is tracked against theoretical volume on every pile — one of the earliest warnings of a defective shaft.
Deep Foundations
Bored, CFA, Under-Reamed & Micropiling
From setting out and boring through cage installation and tremie concreting to as-built records, every pile we install is documented. Typical diameters range from 400 mm to 1200 mm, achievable to around 40 m depending on strata and rig configuration.
Bored & CFA Piling
Rotary bored piles with temporary or permanent casing for variable strata and high-capacity requirements, plus low-vibration CFA piling for sites sensitive to noise and adjacent structures.
Cages & Tremie Concreting
Reinforcement cage fabrication, spacer fixing and controlled lowering, followed by continuous tremie placement to avoid cold joints and segregation. Cubes sampled for every pour.
As-Built Pile Records
An individual record per pile: position, date, bore depth, strata encountered, groundwater, reinforcement details, concrete volume against theoretical, and cube results.
Piling Methods We Deliver
- Bored cast in-situ piles (400 mm – 1200 mm)
- Continuous Flight Auger (CFA) piles
- Under-reamed piles with belled bases
- Micropiles for restricted access and underpinning
- Pile trimming and cut-off to design level
Quality & Verification
- Base cleaning and inspection prior to reinforcement
- Continuous strata logging and toe-level confirmation
- Concrete volume tracked against theoretical volume
- Cube sampling and laboratory strength testing
- Load and integrity testing on completed piles