latest GEA blogs

What is Construction Waste?

What is Waste? “Waste” is defined in Article 1(a) of the European Waste Framework Directive (WFD) as 'any substance or object … which the holder discards or intends or is required to discard'. This applies to all spoil from excavation works on construction sites, and therefore ‘waste’ spoil cannot simply be moved from one location and deposited elsewhere on site as this would be classified as a landfilling operation which requires an environmental permit and the waste ‘disposal’ would be subject to landfill tax. Waste Management OptionsWaste Management Options If waste is discarded from site it must be either sent for disposal or for recovery to a licensed waste disposal or treatment facility. If it is to be disposed of to landfill, the waste will be subject to landfill tax which on all ... [read the full story]

Basement impact assessments – friend or foe?

It was with great interest that I read an article on Basement Impact Assessments (BIAs) in a recent issue of Ground Engineering magazine, with particular reference to BIAs carried out in London Borough of Camden (strictly, the term “BIA” really only applies in Camden, with other boroughs having their own terminology, but it is becoming a generic term for this type of assessment wherever it is carried out). I have been involved in many of this type of assessment – either working for the ... [read the full story]

Buried Services – A Ground Investigation Problem?

You arrive on site with detailed plans of the buried services. The electricity and telecommunications can be readily confirmed with your Cable Avoidance Tool (CAT); the route of the gas main, sewer and water main are visually located through pavement scarring and covers. A single borehole location is however close to the gas main so it’s straightforward to manually excavate a starter pit. The services are all found to be exactly at the location and depth expected and your drilling is ... [read the full story]