UEERS0031 — Maintain rail signalling power supplies

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What an assessment for UEERS0031 must cover

45 assessable components: 3 elements (24 performance criteria), 9 performance evidence and 12 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 to maintain rail signalling power supplies

1.1Work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures for a given work area are identified, obtained and clarified
1.2Hazards are identified, risks assessed, and control measures and workplace procedures implemented
1.3Safety hazards which have not previously been identified are noted on job safety assessments and risk control measures are implemented
1.4Scope of work and location of power supply are determined by site inspection and from job instructions, specifications and/or diagrams
1.5Batteries and type within the signalling location and management processes for the associated safety hazards are identified
1.6Materials needed for the maintenance work are obtained in accordance with workplace procedures and checked against job specifications
1.7Tools, equipment and testing devices needed to maintain power supplies are obtained in accordance with workplace procedures and checked for correct operation and safety
1.8Authorisation to take temporarily out of service or disable systems is obtained in accordance with workplace procedures

2 Maintain rail signalling power supplies

2.1WHS/OHS risk control measures and workplace procedures for carrying out work are followed
2.2On-track safe working requirements are identified and applied in accordance with workplace procedures and safety management system
2.3Power supply is checked to comply with technical industry standards, job specifications and requirements
2.4Wiring and cable terminations are inspected to comply with technical industry standards, approved design drawings and requirements
2.5Inspection and tests are conducted to ensure maintained power supply complies with job specifications and functions as intended
2.6Maintenance of power supply is carried out efficiently, without waste of materials, damage to apparatus, the surrounding environment or services using sustainable energy practices
2.7Correct functioning of equipment is established from reference to manuals, system specifications and commissioning data
2.8Batteries are inspected and tested to ensure satisfactory operation and condition
2.9Faults are identified in accordance with relevant technical information of power supplies and fault-finding techniques
2.10Faulty, worn, damaged or insecure components are replaced, repaired or secured in accordance with manufacturer specifications and workplace procedures
2.11Existing methods for dealing with unplanned situations are discussed with appropriate person/s and documented in accordance with workplace procedures

3 Complete rail signalling power supplies maintenance

3.1WHS/OHS work completion risk control measures and workplace procedures are followed
3.2Confirmation that system is functional and that no alarms are present or indicated
3.3Test results for the batteries and power supplies are recorded
3.4Worksite is cleaned and made safe in accordance with workplace procedures
3.5Work completion is documented, and appropriate person/s notified in accordance with workplace procedures and relevant reports produced

Performance evidence

applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including: - implementing workplace procedures and practices - using risk control measures - applying sustainable energy principles and practices - following relevant codes of practice, procedures and requirements
interpreting specifications and circuit diagrams correctly
using tools and test instruments correctly
maintaining power supplies correctly
using appropriate diagnostic and fault-finding techniques
checking: - quality of the DC power supply feeding the equipment - quality & operation of the communications links, where applicable - availability of any protective earthing, surge protection
completing relevant technical reports, records and documentation
completing installation/maintenance of rail signalling power supplies
dealing with unplanned events

Knowledge evidence

rail terminology including: - rail signalling nomenclature - rail signalling symbols - relevant state/territory standards - standard glossary of terms relevant to each state/territory and where the standard originated from and how new standards are developed to meet a national standard
power supply alarms and their significance to reliable operation of the signalling system
the relationship to the signalling arrangement plan/scheme
abnormal train operating conditions, including signaller operation error, driver operation error, train delayed and train breakdown
emergency train and signal system operation including - degraded signalling system performance, including a partial failure of signalling infrastructure or a system override - unscheduled infrastructure maintenance
rail signal power supply maintenance, safe working practices and relevant standards, codes and regulations for basic rail operations, including: - typical issues affecting electrotechnology services and systems - equipment and their components including: - transformers - batteries - converters - uninterruptable power supplies (UPS) - synchronising switches (STS) - generator - solar panels, including Regulation and solar charging for remote standalone SELV DC - earthing requirements including relevant operators and Australian Standards and area specific designs - surge protection including relevant operators and Australian Standards and area specific designs - switchboards - high voltage (HV) and low voltage (LV) power distribution - automatic power changeover panels - wiring and termination - operating principles and parameters including: - normal mode operation - alarm mode - redundancy mode - power interruption/standby mode - interpreting circuits diagrams to evaluate correct operation and relationship to other signalling circuits and equipment - servicing procedures including: - maintenance documentation - coordination/planning sequence - operational test procedures - scheduled/preventative maintenance - unscheduled/corrective maintenance - certifying power supply equipment, including certifying procedures applicable for compliance with rail operator and/or enterprise standards - inverters including: - faults in inverters - features and characteristic of inverters under load and no-load characteristics - circuit configuration, input and output wave forms, relationship between input and output voltages and output voltage under load conditions - linear and switch mode power supplies, including: - direct current (d.c.) to d.c. converters - diagnostic procedures to isolate faults - isolation requirements and circuitry - characteristics of switched mode power supplies - operation of step-down and step-up regulators, variable frequency and pulse width modulated regulation techniques, and switched mode power supplies - radiation suppression circuitry - typical applications of inverters.
environmental and heritage requirements and regulation
WHS/OHS requirements including: - legislated requirements - safe working practices - job safety assessments or risk mitigation processes
maintaining work activities records including: - purpose and extent of records - types of records - methods for recording - records required by regulation
relevant standards, codes and regulations
relevant manufacturer specifications and manuals
relevant workplace documentation, 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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Questions about assessing UEERS0031

What does an assessment tool for UEERS0031 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEERS0031 needs to address all 45 unit components: 3 elements with 24 performance criteria, 9 performance evidence requirements, 12 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 UEERS0031?

Auditori pulls the current release of UEERS0031 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 UEERS0031 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEERS0031 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 UEERS0031, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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