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What is Vacuum Excavation?

Vacuum Excavation (or Vac-Ex as a general term used) describes the safe exposure of live utilities beneath the ground that could be damaged by more traditional means such as mini-diggers or shovels. The process has been carried out for decades all over the world but with limited use due to a number of factors such as labour cost, tradition, working space, availability and knowledge.

It has only been in the last 20 years that bespoke machinery has been tailor-made to carry out such a process. ‘Vacuum Excavation’ is also abbreviated and known within the industry and around the world as Vac-Ex, Suction Excavation, Vacuum-Ex, Ex-Vac, Hydro-Vac and Aqua Vac (both utilising HP water jetting), but in essence they all describe the same principles of safe excavation.

As well as being non-destructive the Vac-Ex process has a very unique property in that it can excavate very narrow and deep holes or trenches – 2 meters deep by 90mm wide can be  easily achievable in under 5 minutes- ground dependent. 

The soil removal process is very rapid and can save between 4 – 5 times the time taken over hand dig. Vac-Ex units can come in different sizes, shapes and weights to suit the job at hand. Units can vary from 250kg - 32,000kg each offering a different solution to the customers' requirements.
 

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