ISO 11690-2:2020
Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 2: Noise control measures
This document deals with the technical aspects of noise control in workplaces. The various technical measures are stated, the related acoustical quantities described, the magnitude of noise reduction discussed, and the verification methods outlined.
This document deals only with audible sound.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Technical aspects of noise control
5 Noise control at source
5.1 General
5.2 Noise control at source by design
5.3 Information on noise emission
5.4 Use of low-noise machines
5.5 Modification or replacement of machine components
5.6 Low noise working and production technologies
5.7 Maintenance of machines and noise control devices
6 Noise control on the transmission path
6.1 Noise control by means of a proper spatial arrangement of the noise sources
6.2 Use of noise control devices
6.3 Noise control by use of sound-absorbing materials
6.4 Sound propagation in structures and noise control measures
7 Noise control at the work station
8 Verification methods
8.1 General
8.2 Sound sources
8.3 Noise control devices
8.4 Workroom
8.5 Specified positions, work stations
9 New technologies
Annex A (informative) Modification or replacement of machine components
Annex B (informative) Arrangement of sound sources
Annex C (informative) Enclosures
Annex D (informative) Silencers
Annex E (informative) Noise barriers and screens in rooms
Annex F (informative) Acoustical treatment of surfaces
Annex G (informative) Structure-borne sound insulation
Annex H (informative) Airborne sound insulation of partitions
Annex I (informative) Noise control at the work station
Annex J (informative) Example of a new technology
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Technical aspects of noise control
5 Noise control at source
5.1 General
5.2 Noise control at source by design
5.3 Information on noise emission
5.4 Use of low-noise machines
5.5 Modification or replacement of machine components
5.6 Low noise working and production technologies
5.7 Maintenance of machines and noise control devices
6 Noise control on the transmission path
6.1 Noise control by means of a proper spatial arrangement of the noise sources
6.2 Use of noise control devices
6.3 Noise control by use of sound-absorbing materials
6.4 Sound propagation in structures and noise control measures
7 Noise control at the work station
8 Verification methods
8.1 General
8.2 Sound sources
8.3 Noise control devices
8.4 Workroom
8.5 Specified positions, work stations
9 New technologies
Annex A (informative) Modification or replacement of machine components
Annex B (informative) Arrangement of sound sources
Annex C (informative) Enclosures
Annex D (informative) Silencers
Annex E (informative) Noise barriers and screens in rooms
Annex F (informative) Acoustical treatment of surfaces
Annex G (informative) Structure-borne sound insulation
Annex H (informative) Airborne sound insulation of partitions
Annex I (informative) Noise control at the work station
Annex J (informative) Example of a new technology
Bibliography