In early May 2020 Reactec approached Keltbray to trial a new social distancing monitoring system. The system comprises of ‘watches’ – a small monitor and alert system mounted on a wristband. Keltbray have previously worked with Reactec with their wrist mounted vibration monitors and we were keen to try anything which could help keep our workforce safe so jumped at the opportunity.
The ‘watches’ have bluetooth sensors inside which will set off alarms whenever another active watch comes within 2 metres. The watch will vibrate, flash and beep to alert the user, these alerts gradually increase in intensity until users move apart. They additionally send data to a stored point to allow the company to monitor how effective their social distancing measures are. The data shows which operatives have come into contact and for how long.
To prevent operatives working in gangs from being continually pestered by alerts a cohorting system is in place. This system allows users to ‘cohort’ with other users meaning their watches will not vibrate when they are around someone they work with frequently. This is in line with the CLC guidelines on COVID.
We have been trialling these watches on three sites: 33 Charterhouse Street, Peterborough Court and Nova East. The data collected from these sites shows a 60% reduction in breaches of the 2 metre rule after just three weeks of the trial. Keltbray has been collecting feedback from the operatives on site and sending it to Reactec to help improve the system.
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