6.3 Erection of materials

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) - Annex - Code on Noise Levels on Board Ship - Chapter 6 - Acoustic Insulation Between Accommodation Spaces - 6.3 Erection of materials

6.3 Erection of materials

6.3.1 Care should be taken in the erection of materials and in the construction of accommodation spaces. During sea trial testing, if the erection of materials is in doubt then measurements should be taken on board ships for a representative selection of each type of partition, floors, doors as requested in paragraph 6.2.1 and to the satisfaction of the Administration.

6.3.2 The apparent weighted sound reduction index R'_w should comply with the requirements of the paragraph 6.2.1 with tolerance of up to 3 dB.

Note Field measurements should be performed according to ISO 140-4:1998^footnote. When the area of the materials tested is <10 m², a minimum value of 10 m² should be considered for the calculation of the R'_w index.

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