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Elements and Performance Criteria

  1. Confirm scope of noise management activities with supervisor
  2. Organise noise management activities
  3. Verify noise data
  4. Determine if results are acceptable and within expectation
  5. Investigate/rectify unexpected or unacceptable results
  6. Keep management informed about noise performance
  7. Maintain noise records

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Legislation, regulations, standards, codes, workplace procedures and requirements include the latest version of one or more of:

federal legislation such as the Environment Protection and Biodiversity Conservation Act, and National Environmental Protection Measures

state/territory government legislation and local government by-laws, policies, regulations and plans dealing with land use; and environmental protection

legislation, standards and codes of practice for work health and safety (WHS)

Australian and international standards covering environmental management (e.g. AS/NZS ISO 14000 Basic Set:2007 Environmental Management Basic Set), acoustics (e.g. AS 1055 Acoustics - Description and measurement of environmental noise series), and electroacoustics (e.g. AS IEC 61672 Electroacoustics series, AS IEC 60942-2004 Electroacoustics - Sound calibrators)

registration/licensing and/or accreditation requirements

industry guidelines and manuals, such as Noise Measurement Manual (QLD EPA), A Guide to Measurement and Analysis of Noise (VIC EPA), Noise Guide for Local Government (NSW); established noise standards and statutory noise limits

site-specific requirements; workplace procedures for sampling, monitoring and in-field testing; recording, processing, presenting and reporting data

workplace documents, such as standard operating procedures (SOPs); work schedules; recording and reporting procedures; equipment manuals and warranties; supplier catalogue and handbooks; safety data sheets (SDS) and safety procedures; waste minimisation, containment, processing and safe disposal procedures.

Noise management activities include one or more of:

assessing compliance with a statutory condition, such as a licence

investigation of a noise complaint

noise impact assessment studies

long-term monitoring programs

occupational hygiene monitoring

noise surveys

assessing effectiveness of noise control devices and reduction measures.

Noise measurements and surveys include one or more of:

techniques for conducting sound and noise level measurements, such as:

sound power and sound pressure level measurements

frequency analysis and weighting networks (including at least A and Lin)

techniques for measuring different noise types, including steady noise, discretely varying noise, impulsive noise, industrial, road, traffic, rail traffic and air traffic

background noise level (LA90)

day and night sound levels (LDN)

measuring noise exposure, including equivalent continuous sound level (Leq)

time weighted exposure measurement (LAeqT)

common errors in sound level measurement, including mishandling of equipment, wind, humidity, temperature, reflected and absorbed sound and background noise

effects of meteorological conditions on noise

effects of topography and built structures on noise

data processing techniques, such as:

calculation of combined sound levels using graphical and mathematical equation techniques

background noise calculations

statistical analysis, including LAeq, LA10, LA50, and LA90

characterisation of noise by octave band analysis

calculation of individual noise exposure

noise mapping

noise rating curves

sound attenuation with distance and mathematical calculation of associated quantities

using a wide range of instruments, instrument functions and displays, such as:

sampling rate

optimum level range, sensitivity and self-generated noise

measurement time intervals, integration and averaging

response rates for sound meters, including fast, slow, impulse and peak

hold features

overload and under-range indications

threshold levels

data transfer and interfacing

calibration and reference checks of sound level meters, including both electrical and acoustic.

Noise monitoring instruments and ancillary equipment include one or more of:

type 1 and type 2 portable sound level meters

integrating and non-integrating sound level meters

noise dose meters

sound level calibrators

octave analysers

statistical analysers, data loggers and recorders

telemetry equipment

sound monitoring stations

microphones

wind shields.

Additional resources and equipment include one or more of:

meteorological instruments, such as:

thermometers

hygrometers

barometers

anemometers

digital cameras

global positioning system (GPS) equipment

site plans, maps and aerial photographs

noise measurement and survey forms

personal protective equipment.

Meteorological measurements include one or more of:

temperature

relative humidity

barometric pressure

wind speed and direction.

Noise reports include one or more of:

weekly and monthly environmental reports

non-conformance report form

contributions to regulatory agency reports (where required by permit, approval or licence conditions).

Noise records include one or more of:

digital photographs of noise monitoring sites

data files

records required by permit, approval or licence conditions

records of monitoring equipment purchase, calibration, inspection, maintenance and service

records of complaints and government requests

records of noise non-conformances, incidents or significant impacts

contractor and supplier information

internal quality/environmental audit reports

electronic/hard copy correspondence

records of approved expenditure and orders.

Noise control/reduction actions include one or more of:

(re)design of work practices to minimise noise emissions, such as:

increase distance between noise generator and sensitive receiver

re-orient equipment to direct noise away from sensitive area

schedule operations so that noisy equipment is used separately rather than concurrently

use ‘quiet’ work practices (e.g. requiring trucks to turn off rather than idling for long periods)

substitute noisy equipment for quieter equipment (e.g. improved fan design, vibrating pile drivers and hydraulic crushers)

install specific noise reduction devices, such as equipment silencers and mufflers, noise barriers and enclosures, and installation of sound insulation

consult with nearby receivers, especially if ‘one-off’ or rare noise generating activities are to be conducted outside standard hours.

WHS and environmental management requirements include:

compliance with relevant federal/state/territory WHS legislation at all times

assuming that samples are potentially hazardous and applying standard precautions

accessing and applying current industry understanding of infection control issued by the National Health and Medical Research Council (NHMRC) and state/territory Departments of Health, where relevant.


Performance Evidence

Evidence of competence in this unit must satisfy all of the requirements of the elements and performance criteria, and include demonstration of:

planning and implementing the day-to-day noise management activities for at least one (1) site, project or ongoing program

accessing, interpreting and applying relevant legislative/regulatory requirements, standards, codes, guidelines and manuals

explaining noise standards, statutory noise limits, noise monitoring/management plans, monitoring methods, operation of monitoring instruments and noise control/reduction strategies

verifying the accuracy and completeness of noise data, results and technical records

using statistical tests (e.g. to determine data acceptability, estimate uncertainties, examine trends and infer basic relationships)

investigating unexpected or unacceptable noise results in a logical and efficient manner to identify possible root causes

seeking advice when issues/problems are beyond scope of competence/responsibility

recommending appropriate preventative/corrective actions to control potential/actual non-conformances or incidents

responding effectively to complaints and requests for information

providing accurate, complete and timely reports of noise performance and identifying opportunities for improvements

maintaining noise records in accordance with legislative/licensing/workplace requirements

working safely and monitoring the safety of others.


Knowledge Evidence

Must provide evidence that demonstrates knowledge of:

terminology, concepts and principles associated with sound, noise measurement, noise control and reduction used in job role

legislative/regulatory requirements, standards, codes and guidelines dealing with environmental and/or occupational noise

noise measurement parameters and associated measurement methods relevant to job role

workplace noise monitoring plans and procedures, common noise issues, noise control devices and noise reduction actions

detailed scientific and technical knowledge of the monitoring methods and instrumentation used to generate the noise data, including calibration, simple fault-finding and troubleshooting

expected values for noise parameters, relevant standards and statutory noise limits or similar

problem-solving techniques and cause analysis

impacts of common human, environmental and/or meteorological factors on data quality

sources of interference, uncertainty, limitations of methods and sources of variability

workplace procedures for identifying and assessing environmental risks/impacts, responding to complaints and environmental incidents, record management and reporting noise data

interpersonal communication, negotiation and conflict resolution techniques

relevant hazards, health, safety and workplace emergency response procedures.