Methods of assessment

 

 

HAVwear has the capability of providing layered HAVs risk exposure data of both TEP and SEP:

 

1

Tool Exposure Points (TEP) are calculated using the HSE risk assessment Exposure Points system,  combining the length of time a tool is in use (trigger time) with the vibration value that is programmed on the HAVwear Tag. The validity of the value programmed in the HAVwear tag is a responsibility of the employer to be “representative of the tool use by their operators”. A number of sources for the pre-defined magnitude can be used and the HSE will look for justification of choice.

 

 

2

Sensed Exposure Points (SEP) are calculated by the same HSE risk assessment methodology but utilises a real-time vibration magnitude level sensed at the wrist, in combination with the length of time a tool is in use (trigger time).  If SEP data is solely used, the HSE will look for evidence that SEP vibration levels are appropriate.

 

In summary the only difference is the source of the vibration magnitude.

The employer always has access to both TEP and SEP data which are stored online. However, to avoid confusion to the tool user, the HAVwear monitor displays only one points system.

The employer chooses TEP or SEP to be displayed on the monitor.  This choice is based on their assessment of which vibration is most probably that faced during tool use - the static tool data for TEP or the sensed vibration on the wrist for SEP.

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Testimonial:

BAM Nuttall - Roy Jackson, Senior Safety Advisor

“BAM Nuttall has always tried to stay on top of the issue of HAVS and ensure the safety of our workforce. In the past, we were trying to accurately estimate the amount of vibration that staff were exposed to ourselves, but this was a lengthy and time-consuming process and we knew that we needed a better system. “When we first introduced HAVmeters two years ago, we saw them as the best option to use to stay ahead of the game on vibration safety. The devices give us a valuable monitoring system that makes sure we know who is working with what machinery and for how long - and provides us with accurate, detailed records of what our teams are exposed to. “We now use HAVmeters in every project where our staff operate vibrating equipment and it is easily the best system on the market for monitoring HAV exposure. By using this equipment, we ensure that we not only keep our workforce safe from injury but also have a robust defence in place to protect ourselves from liability when it comes to vibration issues.”