Section 25 Noise
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Submarine Assurance Framework, July 2022 - Volume 1 Submarine Assurance - Part 4 Whole Boat Requirements - Chapter 2 Transverse Criteria - Section 25 Noise

Section 25 Noise

Parent topic: Chapter 2 Transverse Criteria

25.1 Functional objective

25.1.1 The submarine embarked persons shall be able to operate when exposed to the range of noise loudness which can be experienced on a submarine for all foreseeable operating conditions.

25.2 Performance requirements

25.2.1 The maximum noise levels shall be defined for normal and abnormal operating conditions.

25.2.2 Noise limits are to be set giving due consideration to all sources of noise from within and external to the submarine.

25.2.3 The noise levels defined shall take account of the impact on the embarked persons.

25.2.4 Measures shall be taken to reduce machinery noise in machinery spaces and transmitted noise to adjacent spaces to acceptable levels, as determined by the Naval Administration.

25.2.5 Noise reducing measures to minimise signature are defined as a survivability requirement. See Vol 1, Pt 4, Ch 2, 35 Signature qualification and Vol 1, Pt 4, Ch 8 Survivability.

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