5 Measuring data
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - Noise Levels - Code on Noise Levels on Board Ships – Resolution A.468(XII) - Appendix 1 - Format for Noise Survey Report - 5 Measuring data

5 Measuring data

Noise limits Measured sound pressure levels
dB(A) LAeq dB(A)
    LCeq dB(C)
    LCpeak dB(C)

Note Measurement of sound pressure level LCeq and LCpeak should be done only in the case of exceeding 85dB(A) and hearing protectors are required.

Work spaces
  Machinery spaces
  Machinery control rooms
  Workshops
  Non-specified workspaces
Navigation spaces
  Navigating bridge and chartrooms
  Look-out posts, including navigating bridge wings and windows
  Radio rooms
  Radar rooms
Accommodation spaces    
  Cabins and hospitals
  Messrooms
  Recreation rooms
  Open recreation areas
  Offices
Service spaces    
  Galleys, without food processing equipment operating
  Serveries and pantries
Normally unoccupied spaces    

Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.