Groundworks
Clear, practical guidance on piling methods, groundworks, site preparation and technical advice.
Groundworks
What is piling, and why is it required?
Piling is a foundation solution used to transfer structural loads to deeper, stronger ground. In these cases, traditional shallow foundations are not suitable. It is commonly required where ground conditions are poor, loads are high, or nearby structures limit excavation.
How do I know if piling is the best solution for my project?
This is determined by a structural engineer based on ground investigation results, trial pits, and design loads. If piling is specified, it is to ensure the structure is safe, stable, and compliant with Building Regulations.
Do I really need piling, or can it be avoided?
In some cases, foundation designs can be adjusted, but piling cannot be avoided. For instance, where ground conditions or loads make shallow foundations unsafe. Any changes must be agreed by the structural engineer and approved by Building Control.
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What happens if ground conditions differ from the investigation report?
If unexpected conditions are encountered, works are paused, the issue is assessed, and a solution is agreed with the engineer and client before proceeding.
How long does piling usually take?
Most residential piling works are completed within a few days. Larger or more complex projects may take longer depending on scope and conditions.
How deep do piles typically go?
Pile depth varies depending on ground conditions and load requirements and is confirmed by the structural engineer’s design.
Does piling cause vibration or noise?
Some piling methods generate vibration or noise, but modern equipment and controlled installation techniques help keep this within acceptable limits.
