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1.General information
Member States of the European Union must comply with the Physical Agents
(vibration) Directive, 2002/44/EC.
Effective control of vibration exposure for an operator involves more than just
vibration levels on the machine. The work site, how the machine is used, and
proper training all play important roles in reducing vibration exposure.
Vibration exposure results from:
•
Work site conditions.
•
How the machine is operated.
•
The machine characteristics.
Common causes of high WBV levels:
•
Using a machine that is improper for the task.
•
Work site with potholes, ruts and debris.
•
Improper operating techniques, such as driving too fast.
•
Incorrect adjustment of the seat and controls.
•
Other physical activities while using the machine.
Vibration Measurement and Actions
The vibration directive places the responsibility for compliance on employers.
Actions that should be followed by employers include:
•
Assess the levels of vibration exposure.
•
Determine from this assessment if operators will be exposed to vibration levels
above the limits stated in the directive.
•
Take appropriate actions to reduce operator's exposure to vibration.
•
Provide operators with information and training to reduce their exposure to
vibration.
•
Keep good records and update operations and training on a regular basis.
If the assessment concludes that vibration level exposure is too high, one or more
of the following actions may be necessary:
1. Train operators
•
Perform operations (accelerating, steering, braking, etc.) in a smooth manner.
•
Adjust the controls, mirrors and seat suspension for comfortable operation.
•
Travel across the smoothest parts of the work site and avoid ruts and potholes.
2. Choose proper equipment for the job
•
Use machines with the proper power and capacity.
•
Select machines with good suspension seats.
•
Look for controls that are easy to use.
•
Ensure good visibility from the operator's position.
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