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Green Subcontractor of the Year

The winner in this category will have undertaken a review of its business and developed a strategy to improve its environmental performance.

Winner: Cementation Foundations Skanska

Installing piled foundations is nothing new for Cementation Foundations Skanska, which has been constructing them around the UK for almost a century. But over the last six years or so, Energy Piles have made a tangible addition to this specific area of skill. Geothermal loops in the piles allow latent ground energy to be transferred via heat pumps for use in the building as a whole.

Runner Up: Balfour Kilpatrick

One of the jobs of Balfour Kilpatrick’s new innovations manager is to ensure that all opportunities for prefabrication and modularisation are identified on every project. This is an integral part of the company’s sustainability strategy. As well as favouring off-site solutions, Balfour Kilpatrick actively reviews the need for welding on projects such as gas pipe installation.

Runner Up: Barrett Steel Buildings

Barrett Steel Buildings’ work for ProLogis at Heathrow Airport demonstrates that by using strategies such as maximising bolting and minimising welding, on average 80 per cent of galvanised and cold-rolled structural steel can be made re-usable. The Steel Construction Institute (SCI) estimates that this figure is closer to 10 per cent in most buildings.

Runner Up:Byrne Brothers (Formwork)

Byrne Brothers has become one of the first subcontractors in the industry to achieve accreditation for its timber under the FSC and PEFC forestry certification schemes.
Ensuring a fully traceable chain of custody for that timber is essential, requiring colour coding and segregation in the consolidated timber yard in London.

Runner Up: MPG

Working with Robert McAlpine on drylining and ceilings for the New Street Square development in London, the subcontractor introduced a central, controlled cutting station for plasterboard to manage waste. In another McAlpine development, York Way, an adjacent canal was used to collect and ship plasterboard off-cut to avoid road traffic.