Statutory Documents - MCA Publications - LY2 - The Large Commercial Yacht Code - 22 Protection of Personnel - 22.5 Noise
22.5 Noise
Attention is drawn to the IMO Code on Noise Levels on Board Ships, Resolution A.468 (XII), published 1982.
22.5.1 Vessels covered by this Code should meet the recommendations so far as is reasonable and practicable.
22.5.2 The IMO Code on Noise on Board Ships promotes the control of noise within the framework of internationally agreed guidelines, whilst recommending methods of measuring noise at listening posts.
22.5.3 For safe navigation, it is important that sound signals and VHF communications can be heard, at the navigating position in normal operating conditions.
22.5.4 For machinery spaces, workshops and stores which are manned either continuously or for lengthy periods, the recommended limits are 90dB(A) for machinery spaces and 85dB(A) for workshops and stores.
For machinery spaces which are not intended to be continuously manned or are attended for short periods only, the recommended limits are 110dB(A).
The limits have been set from hearing damage risk considerations and the use of suitable ear protectors.
22.5.5 To indicate the need to wear ear protectors, safety signs, signs with symbols and supplementary warning notices should be displayed at all entrances to spaces in which the noise level exceeds 85dB(A). See National Annex.
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