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Automated system delivering safer surfacing

Asphalt surfacing

Aggregate Industries say road surfacing is ‘infinitely safer’ with automated inspection and testing system

IN an ongoing bid to raise health and safety standards, Aggregate Industries’ Contracting Division has unveiled a new, state-of-the-art, automated data-gathering system that, it says, is set to make the road-surfacing process ‘infinitely safer’.

Introduced in line with the company’s zero-harm ethos, the new system, known as automated inspection and testing (AIT), will see all pavers, rollers and survey vehicles fitted with the latest technology, including GPS, infrared sensors and a data-recording unit – all of which will be used to automatically capture high-quality data before, during and after the surfacing process.

The initiative has been designed to minimize the risk to employees during pavement construction by replacing the need for a technician to carry out the dangerous task of data capture. Investment in the system follows a number of serious incidents across the industry in recent years, including fatalities.

Neil Leake, national technical manager at Aggregate Industries, said: ‘Traditionally, the road-surfacing process requires at least one or two technicians with each surfacing gang, working manually to gather and record data on everything from material temperatures to ride profile.

During this task, technicians are not only exposed to the dangers of working in close proximity to live traffic and construction vehicles, but also face a myriad of other risks including lone working and the hot-material interface.

‘By removing the need for data-capture technicians altogether, our AIT system is a state-of-the-art approach that could potentially save lives – with extensive trials proving it has made the road surfacing process infinitely safer. At the same time, it will also go a long way in plugging the industry-wide skills shortage, as it means data-capture operatives can now be redeployed to other contracting areas in urgent need of skilled staff.’

After consulting with materials and testing firm Mattest Southern, Aggregate Industries formulated the AIT system so that pavers and rollers can be linked together to manage the compaction process by recording the rolling temperature and the number of passes.

The final element of the AIT procedure is surface texture and rolling straight edge testing of the finished pavement using laser scanners and video recording, which can now be completed with improved accuracy and without the need for human technician involvement. The result is a complete record of the laying process with zero risk to employees.

Mr Leake added: ‘The AIT system has proved to be an incredible success. Following extensive trials to determine the accuracy of the data gathered, we are now using it on a number of contracts and have seen marked improvements in safety across the board while, at the same time, providing enhanced asset-management data for our customers that also meets Building Information Management (BIM) compliance.’

Paddy Murphy, managing director of Contracting Services at Aggregate Industries, commented: ‘Innovation and safety are at the heart of everything we do, so I’d like to thank all those involved in this project for their hard work and commitment in creating a system we hope will make a lasting contribution to improving safety standards across the industry.’

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Submitted by Brian Mills (not verified) on

Well done to all who have been involved it's long over due.

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