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Occupational Vibration Assessments

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Occupational Vibration Assessments

Occupational exposure to vibration from tools and equipment can lead to significant health issues, which can become permanent and debilitating. JTA’s vibration experts have a proven track record in successfully delivering Hand Arm Vibration (HAV)  and Whole Body Vibration (WBV) assessments to make sure your employees are well protected and that you comply with regulations.

Occupational Vibration Assessments

How JTA Can Help

JTA has experienced and highly qualified vibration and noise experts who will help you assess and manage any vibration issues experienced by your employees. They will tailor a solution based on best practices, cost-benefit ratios and minimum downtime. We believe it’s essential to identify and understand the root cause of excessive vibrations to find the most effective solutions for you.

Types of Vibration

There are two main types of vibration that affect workers:

Hand Arm Vibration (HAV)

HAV is vibration transmitted by operating hand-held power tools, hand-guided equipment or by holding materials being processed by machines. It is commonly experienced by people who use tools such as powered jack-hammers, chainsaws, grinders, drills, or hand-guided plant such as powered lawn mowers.

Multiple studies have shown that regular and frequent exposure to HAV can lead to permanent adverse health effects, which are most likely to occur when contact with a vibrating tool or work process is a regular and significant part of a person’s job.

Whole Body Vibration (WBV)

WBV is vibration transmitted through the seat or feet of a worker while operating machinery or standing on a vibrating platform. It is commonly experienced by mobile plant drivers, operators and passengers when travelling over uneven surfaces. Some work environments where WBV is of concern include mining, farming, construction, truck driving, armed forces, helicopter pilots, and industrial equipment.

High levels of whole-body vibration are a risk to the health and safety of your employees and can cause or aggravate back injuries. The risks are greatest when the vibration magnitudes are high, the exposure durations long, frequent, and regular; and the vibration includes severe shocks or jolts.

There is evidence that workers who are exposed to either HAV or WBV and noise at the same time are more likely to suffer hearing loss than workers exposed to the same level of noise alone.

A Vibration Assessment Includes:

The aim of our HAV and WBV assessments is to find out which power tools, machinery or processes cause excessive vibration, understand which of your employees are at risk, and recommend what you need to do to protect them. A detailed assessment could help to design mitigation measures that remove the source of the problem and stretch maintenance periods.

Early Risk Avoidance

The best time to eliminate or minimise the risk of exposure to HAV/WBV is in the design, planning or commissioning of new equipment or machinery. We can assist to identify any potential hazards and risks so they can be eliminated or minimised to avoid mistakes that are much harder to fix afterwards.

The Benefits

Your Duty In Relation To Vibration Assessments

As a person conducting a business or undertaking (PCBU), you have a primary duty to ensure, so far as is reasonably practicable, that your employees’ exposure to HAV and WBV is eliminated. Where elimination is not reasonably practicable, you must minimise the risk using the hierarchy of controls. You are responsible for providing and maintaining a safe plant and for ensuring the safe use, handling, storage and transport of tools and machinery. This duty covers businesses that own, lease or hire out industrial plants.


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