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Elements and Performance Criteria

1. Prepare to install/maintain rail signalling power supplies
   • Work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures for a given work area are identified, obtained and clarified
2. Hazards are identified, risks assessed, and control measures and workplace procedures implemented
3. Safety hazards which have not previously been identified are noted on job safety assessments and risk control measures are implemented
4. Scope of work and location of power supply are determined by site inspection and from job instructions, specifications and/or diagrams
5. Materials needed for the installation/maintenance work are obtained in accordance with workplace procedures and checked against job specifications
6. Tools, equipment and testing devices needed to install/maintain power supplies are obtained in accordance with workplace procedures and checked for correct operation and safety
7. Install/maintain rail signalling power supplies
   • WHS/OHS risk control measures and workplace procedures for carrying out work are followed
8. Power supply is checked to comply with technical industry standards, job specifications and requirements
9. Wiring is run and cables terminated to comply with technical industry standards, job specifications and requirements
10. Inspection and tests are conducted to ensure installed/maintained power supply complies with job specifications and functions as intended
11. Installation/maintenance of power supply is carried out efficiently, without waste of materials, damage to apparatus, the surrounding environment or services using sustainable energy practices
12. Correct functioning of equipment is established from reference to manuals, system specifications and commissioning data
13. Faults are identified in accordance with relevant technical information of power supplies and fault-finding techniques
14. Faulty, worn, damaged or insecure components are replaced, repaired or secured in accordance with manufacturer specifications and workplace procedures
15. Existing methods for dealing with unplanned situations are discussed with appropriate person/s and documented in accordance with workplace procedures
16. Complete rail signalling power supplies installation/maintenance
    • WHS/OHS work completion risk control measures and workplace procedures are followed
17. Worksite is cleaned and made safe in accordance with workplace procedures
18. Work completion is documented and appropriate person/s notified in accordance with workplace procedures and relevant reports produced

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least one occasion and include:

interpreting specifications and circuit diagrams correctly installing/maintaining power supplies correctly using appropriate diagnostic and fault-finding techniques using tools and test instruments correctly following relevant codes of practice, procedures and requirements completing relevant technical reports, records and documentation dealing with unplanned events 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 completing installation/maintenance of rail signalling power supplies planning installation/maintenance of rail signalling power supplies.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

rail signal power supply installation/maintenance, safe working practices and relevant standards, codes and regulations for basic rail operations, including: rail terminology encompassing: rail signalling nomenclature rail signalling symbols 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 train dynamics encompassing: types of rail vehicles, including suburban/country passenger, freight, maintenance vehicles and heritage/tourism braking distance gradients/terrain sighting distance the relationship to the signalling arrangement plan/scheme essentials of safe movement of trains encompassing: the role of the signalling system in enabling safe and efficient movement of trains standard operating conditions as per operating timetable/schedule degraded signalling system performance, including a partial failure of signalling infrastructure or a system override abnormal train operating conditions, including signaller operation error, driver operation error, train delayed and train breakdown emergency train and signal system operation scheduled infrastructure maintenance unscheduled infrastructure maintenance, including civil, signalling, traction and overhead purpose of rail signalling encompassing: safe distances between rail vehicles safe movement of rail vehicles conflicting movement between rail vehicles how the signalling system provides driver information how the driver interprets the information to safely control a train restrictions on the signaller and driver following an operation error, including signals passed at stop, driver exceeding speed requirement and signaller setting incorrect route enterprise work activities records purpose and extent of maintaining work activities records in an enterprise types of records for maintaining work activities in an enterprise methods for recording and maintaining work records work records required by regulation requirements environmental and heritage awareness purpose of environmental and heritage regulation typical issues affecting electrotechnology services and systems meeting requirements rail signalling, power supplies equipment and their components encompassing: transformers batteries converters inverters uninterruptable power supplies (UPS) generator solar panels earthing surge protection switchboards high voltage (HV) and low voltage (LV) power distribution automatic power changeover panels wiring and termination operating principles and parameters encompassing: normal mode operation alarm mode redundancy mode power interruption/standby mode interpreting circuits diagrams to evaluate correct operation and relationship to other signalling circuits servicing procedures encompassing: maintenance documentation coordination/planning sequence operational test procedures scheduled/preventative maintenance unscheduled/corrective maintenance certifying power supply equipment (commission and de-commission), including certifying procedures applicable for compliance with rail operator and/or enterprise standards safe working practices and relevant standards, codes and regulations relevant job safety assessments or risk mitigation processes relevant manufacturer specifications relevant WHS/OHS legislated requirements relevant workplace policies and procedures.

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