By using Screw piles, the removal of excavated soil from the site, is virtually eliminated. Screw piling is quick, easy, quiet and clean and causes no distress to the neighbours. Our screw pile service is also available to any builder who may wish to use it for their own work.
Screw Piling provides piling, underpinning and anchoring solutions to foundation problems across a diverse range of building and construction projects.
In many cases, substantial benefits are gained by using Screw Piles compared to traditional piling methods.
These benefits include the speed of operation, vibration free installation and greater cost savings. The system is uniquely simple and offers a cost effective alternative to traditional deep foundation techniques. Common construction equipment can, at low cost, be modified to install screw piles. The system is environmentally friendly and restricts potential damage to adjacent structures by eliminating vibration during installation.
Screw Piles are suited for situations requiring compression and/or tension loads. Screw piles are currently being used for loads up to 150 tonnes and lengths up to 30 metres. Typically, traditional excavating equipment is used to install screw piles, which results in lower site establishment costs than specific piling machinery.
History of Screw Piling
The screw pile was invented by the blind English brick maker, Alexander Mitchell, in 1833. The first screws were made of cast iron and were used to build lighthouses exposed to moderate seas or heavy ice fields. The shafts were from 3 to 8 inches in diameter with the helix from 18ins to 5 foot in diameter! They were screwed down from 10 to 20 foot into clay, sand or coral, by about 30 to 40 men, pushing with 6 to 8 capstan bars, the ends of which circled an arc of 30 to 40 feet in diameter.
The first such structure was constructed on Maplin Sound at the mouth of the Thames in 1838. The first screw pile lighthouse in the United States was erected in the Delaware Bay on Brandywine Shoal and was completed on October 28, 1850.
Since then Screw Piles are becoming the preferred choice of deep foundation system for a growing number of applications.