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Pollution
Control
Consultancy and
Design (PCCD)
provides outstanding occupational noise surveys:
our
surveys, unlike most of the others readily available now, do not only
finger possible problems,
but also effectively resolve
them by developing or helping
you to develop thorough administrative and/or engineering noise reduction programs. |
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Our engineering noise reduction programs (modification of noisy
equipment and/or modification
of buildings and/or enclosures accommodating noisy equipment) are based on state-of-the-art measurements of
sound
intensity, which, unlike common measurements of sound pressure,
allow to precisely locate and rank all noisy parts of mechanical plants
(worn-out bearings, vibrating panels, cooling fans, gear boxes,
supporting structure). |
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For details, please download (print out):
our brochure
relating to occupational noise. |
Our
occupational noise services include:
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| 1. |
noise measurement and
assessment with the latest technology, NATA-calibrated,
Class 1:
Brüel & Kjær (B&K)
Modular Precision Real-Time Sound Analysers
type 2250
and
Modular Precision Real-Time Sound and Vibration Analysers type 2260
Investigator,
with Enhanced Sound Analysis Software BZ7206 (1/3-octave band spectrum
range:
6.3 Hz to 20 kHz); and
Svantek
Dual-channel Acoustic Dosimeter type SV 102A:
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| 2. |
verification of compliance with the
statutory criteria;
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complete, apt and
cost-effective engineering noise reduction program,
based on
state-of-the-art measurements of
SOUND
INTENSITY, that may include:
- design of noise barriers, enclosures and silencers;
- design of noise barriers, enclosures and silencers;
- modification of buildings,
rooms and/or enclosures accommodating noisy equipment;
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accurate (based on noise
frequency spectra) selection of appropriate personal hearing protectors
in areas where engineering noise reduction is
impractical or cannot be
implemented immediately;
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formal written report that, in full, includes:
- discussion on occupational noise criteria;
- complete results of noise measurements, including octave band
and/or
third-octave band spectra of noise;
- plotting of sound energy
contours (isopleths of LAeq) over
the "factory floor";
- detailed discussion of measurement results;
- administrative and/or engineering noise
reduction programs; and
- selection and/or
verification of appropriate personal hearing protectors
(in New South Wales, it
is only a temporary measure).
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The Occupational Health and Safety
Regulation 2001, which commenced in New South Wales
on 1 September 2001, provides in Clause 49 - Chapter
4 - Part 4.3 - Division 4: |
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in Section 49 (1), that:
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"(1)
An employer must ensure that appropriate control measures are taken
if a person
is exposed to noise levels that:
a. exceed an 8-hour noise level
equivalent of 85 dB(A); or
b. peak at more than 140 dB(C).
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Maximum penalty: Level 4."
(Level 4 - 250 penalty units)
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and then in Section
49 (2) (c),
that:
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"(2)(c)
the
measurement is to be made on the assumption that the person
is not wearing
any device to protect himself or herself from
noise." |
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It is very powerful (e.g. in cases of workers'
compensation claims) and it means,
that
in New
South Wales:
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personal hearing protectors (earplugs and earmuffs) are not longer
enough,
in legal terms, to protect your employees from excessive noise; and
therefore
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you must reduce the excessive noise (noise
exceeding the legal limits) by
administrative and/or
engineering noise
control.
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http://www.legislation.nsw.gov.au/fullhtml/inforce/subordleg+648+2001+FIRST+0+N#ch.4-pt.4.3-div.4 |
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