5.4 24-hour equivalent continuous sound level limit
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.337(91) – Adoption of the Code on Noise Levels on Board Ships – (Adopted on 30 November 2012)The Annex below is consolidated into Resolution MSC.337(91) - Annex – Code on Noise Levels on Board Ships - Chapter 5 – Noise Exposure Limits - 5.4 24-hour equivalent continuous sound level limit

5.4 24-hour equivalent continuous sound level limit

 As an alternative to compliance with the provisions of section 5.3 (figure 1), no unprotected seafarer should be exposed to a 24-hour equivalent continuous sound level greater than 80 dB(A). Each individual's daily exposure duration in spaces requiring the use of hearing protectors should not exceed four hours continuously or eight hours in total.


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