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Reducing on-board noise
Entering into force on 1 July 2014 is the new SOLAS regulation II-1/3-12, which requires new ships to be constructed to reduce on-board noise and to protect personnel from noise, in accordance with the revised Code on noise levels on board ships, which sets out mandatory maximum noise level limits for machinery spaces, control rooms, workshops, accommodation and other spaces on board ships.
The limits specified in this section shall be regarded as maximum levels and not as desirable levels. Where reasonably practicable, it is desirable for the noise level to be lower than the maximum levels specified. The Code is intended to provide standards to prevent the occurrence of potentially hazardous noise levels on board ships and to provide standards for an acceptable environment for seafarers.
These standards were developed to address passenger and cargo ships. Since some sizes and certain service types of ships have been exempted from these requirements, it should be recognised that full application of the Code to ships that differ appreciably from conventional ships will require special considerations.
The Code is intended to provide the basis for a design standard, with compliance based on the satisfactory conclusion of sea trials that result in issuance of a Noise Survey Report. Ongoing operational compliance is predicated on the crew being trained in the principles of pesonal protection and maintenance of mitigation measures.