Protection against Noise Onboard Ships By Lars Robert Pedersen Tripartite Tokyo – 15/16th October 2010

Noise Onboard Ships – Legislation RESOLUTION A.343 (IX) – 1975 RECOMMENDATION ON METHODS OF MEASURING NOISE LEVELS AT LISTENING POSTS a) 68 dB at 250 Hz b) 63 dB at 500 Hz Non-mandatory

Noise Onboard Ships – Legislation SOLAS Regulation II-1/36 Protection against noise Noise in machinery spaces to be reduced to acceptable levels as requested by the Administration. Mandatory

Noise Onboard Ships – Legislation RESOLUTION A. 468 (XII) ANNEX CODE ON NOISE LEVELS ONBOARD SHIPS Machinery spaces – manned 90 dB(A) Machinery spaces – unmanned110 dB(A) Machinery control rooms 75 dB(A) Workshops 85 dB(A) Non-specified work spaces 90 dB(A) Non-mandatory

Noise Onboard Ships – Legislation RESOLUTION A. 468 (XII) ANNEX CODE ON NOISE LEVELS ONBOARD SHIPS Cabins and hospitals 60 dB(A) Mess rooms 65 dB(A) Recreation rooms 65 dB(A) Open recreation areas 75 dB(A) Offices 65 dB(A) Non-mandatory

Noise Onboard Ships – Legislation INTERNATIONAL CODE OF SAFETY FOR HIGH-SPEED CRAFT, Noise levels The noise levels in public areas and crew accommodation shall not exceed 75 dB(A) The noise level in the operating compartment shall not exceed 65 dB(A) Mandatory

Noise Onboard Ships – Proposals/Information papers MSC 83/25/13 – EU countries and EC DE 53/10 – EU countries and EC DE 54/INF. 6 – Denmark DE 54/INF. 7 – China DE 54/14/1 – Japan DE 54/14/2 – China DE 54/14/3 - CESA

Noise Onboard Ships – Proposals/Information papers Work area (dB(A)) A.468 Japan GT GT Machinery spaces - manned Machinery spaces – unmanned Cabin and hospitals Mess rooms Recreation rooms Offices

Noise Onboard Ships – Proposals/Information papers Work area (dB(A)) A.468CESA Machinery spaces - manned Machinery spaces – unmanned At stopped machinery * Workshops85 85 Control rooms75 75 Separator rooms Other work areas90 85 Cabins60 58

Noise Onboard Ships – Proposals/Information papers Work area (dB(A)) A.468 EU Machinery spaces - manned 90N/A Machinery spaces – unmanned At stopped machinery Workshops85 80 Control rooms75 70 Separator rooms Other work areas90 85 Cabins60 55

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