Screw piles are designed to have single or multiple discreet flights with dias. up to 900mm and are a sacrificial pile installed with a hydraulic head on a machine. Spiral Drillers has over 12 years experience in installing Screw Piles.
The benefits of these piles are that there is no spoil removal from site, therefore they are good in contaminated ground and can be easily spliced to go deeper if required.
Site testing can be carried out on piles once they are installed to achieve correct loadings.
For more information download our Screw Piles Brochure
Installed Helicast Screw Piles for the foundations of an office building
Specifications: Large Diameter Bored 1050mm dia x 3m-6m Depth
EX300, PC200, SA50 Rotary
Weak ground conditions with a high water table
Installation of 15 Screw Piles down to 10 meters, along the edge of a house that was very close to an existing land slip. The house foundation was then underpinned and supported with corebells while the landslide was excavated out and repaired.On completion the house floor was releveled and supported with grout
Volvo EC140, Yanmar VI015
House was sinking; Restriced site access; Constructed a new retaining wall upon starting work onsite; Emergency job requiring close consultation with the engineer and client to achieve a safe design and cost effective result.