HAND-ARM VIBRATION
time). The use of a Trigger Timer attached to the tool is the most efficient way of collecting this information.
Effective management begins with understanding of the tools and the tasks to gauge the level of exposure and risk, this allows business to put measures in place such as job rotation and tool testing to determine whether the tools could be replaced for lower vibration models.
Most importantly, it is imperative that organisations use the data collected to influence action. Partnering with HAVi will help you quickly identify the tools, teams, tasks, regions and individuals that are at the highest risk and our decades of experience will help you find the most appropriate corrective action.
ACCURATE MEASURES We advise businesses not to rely on the vibration magnitudes (MS2 levels) provided by tool manufacturers in their HAVS risk assessments. These published values may not provide the requisite accurate measurement when assessed against the scale of suitability and sufficiency.
Accurate vibration magnitude (MS2) can be obtained via online databases such as
TheToolAdvisor.com which lists the data and application, alternatively HAVI can arrange a testing day to analyse the tools that your operatives are using and the way in which they use them. Results from a recent testing session for a client working within the rail industry uncovered that by simply swapping a grinding disc for a disc optimised for low vibration halved the vibration exposure level for the operative, increasing safe usage time by more than 200% and completed the task in only a third of the time taken using the existing disc.
Once you have the ‘in use’ vibration magnitude (MS2 figure) there is a simple calculation that will give you the HSE Points generated in one hour of use. HSE Guidelines state 100 points as Exposure Action Value (EAV) & 400 points as Exposure Limit Value (ELV).
MS2 X MS2 X 2 = HSE POINTS PER HOUR Armed with that data a HAVi+ Trigger Timer on-tool monitor will accurately record the vibration exposure and communicate this exposure to the operative in real time.
EFFECTIVE REPORTING We have developed an outcome-based reporting suite called ActivIQ, this includes a HAVSRiskIndex (HRI) that visualises the key data needed to effectively control exposure to vibration and allows managers to swiftly identify which individuals, teams, tools and tasks pose the greatest risk at a glance. Central to the report is a 0-5 HRI score which is based on overall operative exposure and alerts, the score and is backed up with insights and SmartRecommendations for improvement, gives health and safety managers the ability to understand the level of HAVs risk within the workforce and take steps to lower the score and ensure exposure as low as possible.
The accurate and reliable data contained in ActivIQ is collected directly from the measured exposures, to provide a real-time comparison of vibration magnitude with the industry benchmark to indicate sub-optimal tool performance or operator form. The data enables businesses to take tactical and strategic decisions quickly regarding a tool’s condition, operator exposure and whether additional training is needed for operators to gain a better understanding of the dangers of over exposure to vibration.
You now have a suitable and sufficient risk assessment that contains accurate assessments of tool vibration magnitude and trigger time. You are also able to demonstrate continuous improvement using ActivIQ. What’s more, you are protecting your workforce from harm.
thehavi.com
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