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Page 17 of 20
THOROUGH EXAMINATION AND TESTING
If AOF is used as an LEV system it must be tested at regular (normally 12 month) intervals and
certificated under the COSHH regulations. This service is available from us, or our approved testers.
Thorough examination and test should include:
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Ensuring the prescribed maintenance routines are being completed and recorded within the
system logbook.
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Condition check of fan, filters, electrics.
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Performance testing according to recommended duct velocities.
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Visual check that operators are working within effective area.
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Visual check of effectiveness using, for example, smoke tubes.
Completion of Thorough Examination and Testing should be recorded within the system logbook.
