UEERA0004 — Analyse vibration and noise in refrigeration and air conditioning systems
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What an assessment for UEERA0004 must cover
111 assessable components: 3 elements (15 performance criteria), 10 performance evidence and 86 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.
Elements & performance criteria
1 Prepare refrigeration and air conditioning system to analyse noise and vibration in
- 1.1Work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures for a given work area are identified, obtained and applied
- 1.2WHS/OHS risk control measures and workplace procedures are followed
- 1.3Extent of the noise and vibration issue is determined from performance specifications, situation reports and consultations with relevant person/s
- 1.4Work activities are planned to meet scheduled timelines in consultation with others involved in the work
- 1.5Effective strategies are formed to ensure solution development and implementation is carried out efficiently
2 Analyse refrigeration and air conditioning system noise and vibration
- 2.1WHS/OHS risk control measures and workplace procedures for carrying out the work are followed
- 2.2Noise, vibration and thermodynamic analytical solutions are applied to refrigeration and air conditioning system
- 2.3Parameters, specifications and performance requirements in relation to refrigeration and air conditioning system are obtained in accordance with workplace procedures
- 2.4Approaches to analysing noise and vibration parameters are carried out to provide the most effective solution
- 2.5Unplanned events are dealt with safely in accordance with workplace procedures and regulatory requirements in a manner that minimises risk to personnel and equipment
- 2.6Refrigeration and air conditioning system work quality is monitored against performance agreement and/or workplace or industry standards
3 Document actions taken and report on noise and vibration analysis
- 3.1Solutions to noise and vibration issues are evaluated to determine their effectiveness and modified, as required, in accordance with workplace procedures
- 3.2Refrigeration and air conditioning system analysis is documented and includes details of findings calculations and assumptions
- 3.3Refrigeration and air conditioning system analysis is reported to appropriate person/s to determine appropriate action to be taken based on findings
- 3.4Justification for findings and any actions to be undertaken in relation to the equipment is documented for inclusion in work/project or development records in accordance with industry standards and workplace procedures
Performance evidence
- understanding the noise and vibration issues
- forming effective strategies for analysing refrigeration and air conditioning systems performance
- obtaining noise and vibration parameters, specifications and performance requirements appropriate to each situation
- evaluating the results of the analysis
- documenting analysis details of all findings, calculations and assumptions
- documenting justification of actions to be implemented in accordance with professional standards
- dealing with unplanned events
- applying problem-solving procedures, including using appropriate theorems
- applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures and practices, including using risk control measures
- applying sustainable energy principles and practices
Knowledge evidence
- noise and vibration in refrigeration and air conditioning systems, safe working practices and relevant standards, codes and regulations, including:
- fundamentals of sound:
- frequency
- decibels
- octave bands
- direct sound
- velocity
- sound pressure level
- sound power level
- sound meters
- noise and people:
- physical measurement of sound
- weighting networks
- NR curves
- noise damage to hearing
- evaluate daily noise exposures
- peak noise levels
- attenuation for hearing protectors
- excess noise levels permissible
- noise abatement Acts
- advanced noise and vibration control
- sound in confined and unconfined spaces:
- inverse square laws
- direct and reflective sound
- reverberation time
- Sabine’s formula
- absorption coefficients of surfaces
- types of absorbers and their operation
- insulation performances of partitions
- identification and analysis of problems:
- one-dimensional sound waves
- standing waves
- energy in a sound wave
- sources
- effects of air turbulence
- transmitters
- amplifiers
- absorptivity
- reflectivity
- room characteristics
- acoustic design in buildings
- fan and air noise transmission in ducts
- methods of control:
- natural attenuation
- sound absorbing materials and placement
- duct lining
- lined plenums
- lined duct splitters
- duct attenuators
- white noise
- vibration isolators
- acoustic specifications:
- attenuator ratings
- sound insulation:
- plant room breakout
- controlling plant room noise
- duct borne noise:
- sound power spectra for fans
- noise attenuation in ducts and fittings
- reducing fan noise transmission
- regeneration noise
- sources of regenerated noise
- use tables to estimate regenerative noises
- breakout situations
- fan noise breakout
- list methods of controlling breakout
- controlling the cost:
- economical use of attenuation
- vibration:
- simple harmonic motion (SHM)
- period
- frequency
- amplitude
- estimate frequencies for fans, pumps and refrigeration plant
- estimate transmission of vibration
- vibration control for building structures
- use transmissibility graphs to select springs, vibration eliminators and pads
- types of isolation materials and mounting devices
- select isolation and mounting devices
- inertia blocks
- noise and vibration analysis computer software packages
- relevant job safety assessments or risk mitigation processes
- relevant technique, process or measurement methods to obtain sound, noise and vibration data, including problem-solving procedures and appropriate theorems
- relevant WHS/OHS legislated requirements
- relevant workplace documentation
- relevant workplace policies and procedures
Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.
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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:
Questions about assessing UEERA0004
What does an assessment tool for UEERA0004 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEERA0004 needs to address all 111 unit components: 3 elements with 15 performance criteria, 10 performance evidence requirements, 86 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.
How does Auditori generate an assessment tool for UEERA0004?
Auditori pulls the current release of UEERA0004 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.
Is the first assessment tool really free?
Yes. Every new account includes one free credit — enough to generate the complete assessment tool for UEERA0004 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing UEERA0004 assessment instead of generating a new one?
Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of UEERA0004, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
Related units
- UEERA0001 — Analyse the operation of HVAC air and hydronic systems
- UEERA0002 — Analyse the psychrometric performance of HVAC/R systems
- UEERA0003 — Analyse the thermodynamic performance of HVAC/R systems
- UEERA0005 — Apply safety awareness and legal requirements for ammonia refrigerant
- UEERA0006 — Apply safety awareness and legal requirements for carbon dioxide refrigerant
- UEERA0007 — Apply safety awareness and legal requirements for flammable refrigerants
- UEERA0008 — Audit HVAC/R control systems for compliance with regulations and standards
- UEERA0009 — Audit energy use for commercial HVAC/R systems
- UEERA0010 — Commission complex heating, ventilation and air conditioning (HVAC) systems
- UEERA0011 — Commission complex refrigeration systems and equipment
- UEERA0012 — Commission complex refrigeration/air conditioning control systems
- UEERA0013 — Commission refrigeration/air conditioning hydronic systems
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