HS2 is leading the way in sustainability with two of its Main Works Civils Contractors being awarded the gold standard by the Supply Chain Sustainability School (SCSS) just two weeks after the project’s first ten sites went diesel-free

Part funded by the Construction Industry Training Board (CITB) and industry partners, the Supply Chain Sustainability School was set up in 2012 to boost knowledge and collaboration in the built environment.

The school set up their Plant Charter in 2020 to support the UK's ambition of Net Zero by 2050. Signatories are encouraged to take measures to lower emissions on construction sites, address and reduce tailpipe emissions, and train staff on why and how to reduce emissions. These measures result in improved air quality and more environmentally friendly working practices.

HS2's Civils Contractors, Skanska Costain STRABAG joint venture (SCS JV) and EKFB JV - a team made up of Eiffage, Kier, Ferrovial Construction and BAM Nuttall – have both been awarded the highest level under the Charter.

To achieve the gold standard, companies must meet standards set by the SCSS, be reassessed every 12 months, demonstrate increased competency in sustainable practices, attend multiple training events and be at the forefront of sharing best practice with other companies.

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Speaking about the achievement Andrea Davidson, HS2 Ltd’s Head of Environment Sciences, said: "With two of our contractors now achieving gold standard for sustainability, HS2 is really pioneering sustainable construction in the UK. The size of the project means that we are able to invest in innovative practices, allowing them to become mainstream and scalable which will make a huge difference to the sector in the future.

"We recently announced that ten of our construction sites are now totally diesel free, and now with this recognition we look forward to going further in our sustainability in 2023."

First to be awarded the gold standard was HS2's London tunnels contractor, SCS JV, who have introduced a number of measures including deploying the cleanest available plant and machinery on sites, rolling out innovative technologies that improve efficiency and reduce emissions. Three of SCS JV’s construction sites now operate entirely diesel-free, with their Canterbury Road site first announced as diesel free in May 2022.

SCS JV have also collaborated with plant hire suppliers with the aim of delivering lower emissions on sites. SCS’s environment team are working closely with Flannery Plant Hire, L Lynch, and M O’Brien on Eco-Driver refresher sessions so site staff are up to speed on how to reduce effectively reduce tailpipe emissions from plant.

After receiving the bronze standard in March 2022, the first construction joint venture to do so, EKFB JV – who are building the section of HS2 between Buckinghamshire and Warwickshire – have continued to improve sustainability, upgrading to gold status.

Some of these improvements include phasing out diesel tower lights and introducing more eco-friendly solutions such as solar and highbred lights, as well as changing generators to hybrid sets across sites. EKFB have also adopted new and innovative greener equipment on site as well as retrofitting existing plant equipment to reduce emissions.