Machine Vibration Safety
Machinery should be
designed and constructed in such a way that risks resulting from whole-body and
hand-transmitted vibration produced by the machinery are reduced to the lowest
possible level, taking account of technical progress and the availability of means
of reducing vibration, at source.
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The level of
vibration and duration of exposure should not exceed the limits established by
national laws and standards or internationally recognized standards. Vibration
measurements should be used to quantify the level of exposures of workers and
compared to nationally or internationally agreed exposure limits.
The manufacturer of
the machinery should provide information in the relevant instruction handbook
concerning vibration transmitted by the machinery to the operator’s hands, arms
or whole body; the instructions should include information relating to the aspects
of installation, assembly and use that can reduce exposure to vibration.
Based on the risk assessment, employers should establish and implement a program of technical and
organizational measures intended to minimize exposure to mechanical vibration
and its associated potential risks, taking into account in particular:
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(a) alternative
working methods that require less exposure to mechanical vibration.
(b) the choice of
machinery with an appropriate ergonomic design that considers the kind of work
to be done and produces the least possible vibration.
(c) the provision of
auxiliary equipment that reduces the risk of injuries caused by vibration, such
as seats that effectively reduce whole body vibration and handles which reduce
the vibration transmitted to the hand–arm system.
(d) appropriate
maintenance programs for the machinery, the workplace and workplace systems.
(e) the design and
layout of workplaces and workstations.
(f) adequate
information and training to instruct workers in the correct and safe use of
machinery in order to minimize their exposure to mechanical vibration.
(g) measures to
limit the duration and intensity of exposure.
(h) appropriate work
schedules with adequate rest periods; and
(i) the provision of
clothing to protect exposed workers from cold and damp, which can exacerbate
the effect of vibration.
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