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Aggregate Industries complete A14 ahead of schedule

A14

Major works on Cambridge to Huntingdon Improvement Scheme completed eight months ahead of planned opening date

AGGREGATE Industries, working in collaboration with the A14 Integrated Delivery Team, have completed all major works on one of the UK’s largest infrastructure projects – Highways England’s A14 Cambridge to Huntingdon Improvement Scheme.

The improved road officially opened for traffic on 5 May – eight months ahead of the scheduled opening date.

Negotiating the supply of materials and installation of such a major infrastructure project was a significant achievement for Aggregate Industries’ Asphalt and Contracting teams. In total, more than 1.6 million square metres of road was constructed and surfaced, and 10km of non-motorized user pathways created.

This required more than 730,000 tonnes of asphalt to be manufactured at a purpose-built plant on site and laid to an industry-leading standard, along with in excess of 550,000 tonnes of low-carbon cement-bound granular mixture (CBGM), manufactured using a SiteBatch mobile cementitious mixing plant.

These on-site plants played a crucial role in minimizing the carbon footprint of the scheme as deliveries required fewer vehicle movements on the strategic road network. In addition, Aggregate Industries transported the aggregate used in their asphalt mixes by rail, further reducing their environmental impact.

To satisfy stringent noise restrictions where the scheme passes through built-up areas, Aggregate Industries utilized their 10mm SuperThin ultra-low noise asphalt. This reduces noise levels by 7.8db(A) when compared with traditional hot-rolled asphalt.

Paddy Murphy, managing director of contracting at Aggregate Industries, said: ‘The early opening of the A14 to traffic is a monumental achievement. It is testament to the collaboration of all teams involved that we have delivered the UK’s largest, most prestigious infrastructure project to date in such good time, while meeting the highest safety standards.

‘We’re also delighted that amongst the disruption caused by the coronavirus outbreak, we were able to continue to work safely by adopting stringent measures and sticking to social distancing guidelines. The resulting road ensures that deliveries of vital supplies and key workers will be able to reach their destination.’

Around 200 workers from Aggregate Industries were involved in this infrastructure improvement scheme and, over the course of the project, not a single lost-time injury was sustained by the workforce.

Chris Hudson, managing director of asphalt at Aggregate Industries, said: ‘We demonstrated our commitment to the rapid and successful completion of this project when we invested in an asphalt plant solely dedicated to the A14. It is brilliant to see that this commitment has paid off. With the new, improved A14 up and running so far ahead of schedule, it will be a great boost to the local community.’

While all major works have been completed, some works on verges, pedestrian footpaths and landscaping will continue until 2022, requiring some overnight closures.

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