posted on 10th Jun 2022 06:46
HS2 Ltd’s construction partner Balfour Beatty VINCI Joint Venture (BBV) is currently trialling the world’s first all-electric, high-capacity drilling rig on a construction site in Warwickshire, as the Joint Venture steps up its plans to meet HS2 Ltd’s ambition for diesel-free construction sites.
Andrea Davidson, HS2’s Air Quality Manager said: “We are proud to be working with our supply chain and leading manufacturers to drive a step change in the UK construction industry, demonstrating the viability and benefits of emissions-free heavy electric plant. Being at the forefront of a ground-breaking trial like this is another step on our journey to achieving our target of all diesel-free construction sites by 2029, and net zero carbon from 2035 - helping HS2 to become the most sustainable infrastructure project ever delivered.”
The BAUER eBG33 replaces the diesel engine drive with a powerful electric drive. The environmental benefits include reduced exhaust and noise emissions; high energy efficiency due to modern three-phase asynchronous motor; and flexibility through an integrated frequency converter. BAUER are also trialling different E-connection concepts and an innovative concept for set-up operation via an autonomous secondary drive which is independent of the power supply.
The 100 tonne BAUER eBG33 drilling rig creates an overall reduction of 1,292 kg CO2 per day compared to a traditionally powered rig and also reduces noise by 50 %. In terms of performance, the rig is able to carry out exactly the same tasks as a traditional rig.
This innovative new machine is being used by BBV’s deep foundations contractor SB3 (a Joint Venture between Bachy Soletanche & Balfour Beatty Ground Engineering), and works alongside a diesel-powered rig to construct large diameter piles, with the aim of demonstrating that heavy, electric-powered construction plant can perform the same tasks as traditional machines.