BS 4142:2014 Methods for rating and assessing industrial and commercial sound

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BS 4142:2014

Methods for rating and assessing industrial and commercial sound

Status : Current   Published : October 2014

Format
PDF

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HARDCOPY



Noise can be a serious issue for many people across the UK. It can cause stress for sufferers, delay planning consents and lead to financial penalties for businesses.

Our revised standard  BS 4142 describes methods for rating and assessing sound of an industrial or commercial nature.  It enables the effects on people nearby to be assessed and the associated risks to be minimized. It is designed to give consistent results across situations ranging from a single air-conditioning unit to a large installation such as an oil refinery.

Since the last revision in 1997, acoustic instruments have changed and we know more about subjective responses to sound. This updated edition of BS 4142 takes account of the advances in technology and improves the accuracy of final assessments. Many sections of the standard have also been revised to improve clarity.

The standard:

  • Helps assess sound levels at proposed new residential premises
  • Enables the investigation of complaints by determining sound levels
  • Reduces the likelihood of financial penalties
  • Supports current UK planning guidance and Environment Agency guidance

BS 4142 is widely used in planning and public enquiries.  It will be invaluable to environmental health officers, acoustics consultants, and anyone involved in planning, training or legal matters where sound levels may be an issue.

BS 4142:2014 replaces the previous revision BS4142:1997. 

Contents:


Foreword iii
1 Scope 1
2 Normative references 2
3 Terms and definitions 2
4 Preparation 3
5 Instrumentation 4
6 Measurement procedure 4
7 Specific sound level 6
8 Background sound level 10
9 Rating level 13
10 Uncertainty 15
11 Assessment of the impacts 16
12 Information to be reported 18

Annexes

Annex A (informative) Examples of how to use the standard to obtainratings 20
Annex B (informative) Consideration of uncertainty and good practice forreducing uncertainty 47
Annex C (normative) Objective method for assessing the audibility of tones insound: One-third octave method 53
Annex D (normative) Objective method for assessing the audibility of tones insound: Reference method 53
Annex E (normative) Objective method for measuring the prominence ofimpulsive sounds and for adjustment of LAeq 63
Bibliography 68




Standard NumberBS 4142:2014
TitleMethods for rating and assessing industrial and commercial sound
StatusCurrent
Publication Date31 October 2014
Cross ReferencesBS EN 60942, BS EN 61260, BS EN 61672-1, ANSI/ASA S12.18, BS 8233, BS EN 60651, BS EN 60804, BS EN ISO 389-7, BS EN ISO 3740, BS EN ISO 3747, BS ISO 12913-1:2013, ISO 1996-2, ISO 9613-2
ReplacesBS 4142:1997
Draft Superseded By14/30268407 DC
DescriptorsNoise (environmental), External, Industrial, Factories, Industrial facilities, Business facilities, Residential areas, Ratings, Acoustic measurement, Sound intensity, Volume (sound), Acoustics, Calibration, Mathematical calculations, Daytime, Night-time, Reports
ICS17.140.20
91.120.20
CommitteeEH/1/3
ISBN978 0 580 80051 1
PublisherBSI
FormatA4
DeliveryYes
Pages80
File Size1.195 MB
Price£244.00


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