DEFRA Noise Database For Construction Sites
DEFRA Noise Database For Construction Sites
DEFRA Noise Database For Construction Sites
PREDICTION OF NOISE
ON CONSTRUCTION AND OPEN SITES
1
CONTENTS
Contents 2
Guidance Note 3
Table 1 Demolition 4
Table 2 Site Preparation 5
Table 3 Piling and Ancillary Operations 7
Table 4 General Site Activities 9
Table 5 Road Construction Works 13
Table 6 Opencast Coal Sites 15
Table 7 Dredging 17
Table 8 Waste Disposal Sites 18
This publication is value added. If you wish to re-use, please apply for a Click-
Use Licence for value added material at:
www.opsi.gov.uk/click-use/system/online/pLogin.asp
Alternatively applications can be sent to:
Office of Public Sector Information
Information Policy Team
St Clements House
2-16 Colegate
Norwich
NR3 1BQ
Fax: 01603 723000
e-mail: HMSOlicensing@cabinet-office.x.gsi.gov.uk
2
UPDATE OF NOISE DATABASE FOR PREDICTION
OF NOISE ON CONSTRUCTION AND OPEN SITES
The objective of the project was to obtain measurements of noise from plant and
equipment currently used on construction and open sites in the UK, and to prepare a
database of the information. As well as obtaining data for equipment put into
operation since the publication of BS 5228 in 1977, the database extends on the data
in that standard by presenting octave band noise levels, and by including data for
plant used on waste disposal (landfill) sites.
The data were obtained by field measurement for items of plant in actual use on
construction and open sites in the UK. Levels quoted in the database are based on an
average (logarithmic) of measured sound levels, and where appropriate have been
derived from more than one model of similarly sized plant to simplify the database.
The results are presented as un-weighted octave band activity Leq levels, and overall
A-weighted activity Leq values in dB. Where relevant, pass-by measurements were
made for moving sources, and these are presented as un-weighted octave band activity
Lmax levels, and overall A-weighted Lmax values in dB. All sound pressure levels are
standardized to 10 metres from the plant. Weights for machines, where given, relate
to the usual weight references used in the construction industry (weights for machines
such as bulldozers, excavators, rollers, etc, are the actual weights of the machines;
weights for dump trucks and dumpers are the load capacity weights; and weights for
cranes are the lifting capacity weights).
The database is presented with the intention that it may be useful to the practitioner,
as it represents a recent inventory of construction noise sources. Where possible
measurements of the actual plant in operation on site should be used, however this
data could provide an alternative to manufacturer-quoted noise levels. The data has
been gathered in a rigorous manner, but it should be understood that it is provided as
an indication of the noise emission of various types of plant, and should be applied as
such, accepting that many factors will influence the output of any particular item of
plant (e.g. condition, model, environment, load, etc.). Defra requests that if any issues
arise with the application of the database, or if there are any comments relating to the
data, that the user contact the department through either of the channels below:
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