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Elements and Performance Criteria
- Prepare to install/maintain power-operated point actuating device
- Hazards are identified, WHS/OHS risks are assessed, control measures and workplace procedures are implemented in preparation for work
- Scope of the installation/maintenance is determined from maintenance schedules, job specifications, drawings and regulatory requirements
- Appropriate rail safe working personnel are consulted to ensure work is coordinated effectively with others involved on the worksite
- Materials needed for the installation/maintenance are obtained in accordance with workplace procedures and checked against job specifications
- Tools, equipment and testing devices needed for installation/maintenance work are obtained in accordance with workplace procedures and checked for correct operation and safety
- Install/maintain power-operated point actuating device
- Installation/maintenance, cleaning, brushing and lubricating work are carried out on point actuating devices in accordance with technical and operational specifications
- Adjustments to point actuating devices are made to ensure correct operation, and perway fastenings and timbers are inspected in accordance with operational specifications
- Position and mounting of point actuating devices are checked in accordance with site layout and operational specifications
- Installation/maintenance is performed efficiently, without waste of materials, damage to apparatus, the surrounding environment or services using sustainable energy practices
- Function of equipment is determined from technical data, maintenance handbooks, workplace and equipment operating procedures
- Faulty, worn, damaged or insecure components are replaced, repaired or secured in accordance with technical and manufacturer specifications to ensure operational effectiveness
- Equipment is inspected and tested in accordance with workplace testing procedures to ensure operational and technical requirements are achieved
- Methods for dealing with unplanned situations are determined on the basis of safety and specified work outcomes
- Complete power-operated point actuating device installation/maintenance
- Documentation is completed to provide an accurate installation/maintenance record and Network Control Officer informed of work status details
- Reusable, faulty or worn components are tagged and despatched for repair to maintain adequate spares
- Faulty perway conditions/components are documented to provide details for corrective/follow-up action
- Point actuating devices are temporarily taken out of service, instated back into service and certified in accordance with organisation requirements and workplace procedures
- Maintenance work activities are recorded in accordance with organisation requirements to provide accurate records and produce relevant reports
Range Statement
Performance Evidence
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: |
power-operated point actuating device installation/maintenance, safe working practices and relevant standards, codes and regulations, including:rail signalling principles - electricaloverview of electrical rail signalling encompassing:types of rail signalling/safe working systems, including centralised traffic control (CTC), automatic, controlled and interlocked signallingadvantages of electrical over mechanical signallingadvantages of computer-based interlocking (CBI) over electrical signalling systemseffects of overhead traction systems on electrical signalling systems (where applicable)purpose of elements of an electrical rail signalling system, including signals and aspect systems, train protection systems, point actuating systems, mechanical locking, relay interlocking, CBI, train detection systems, control input devices, indicators, diagrams and monitors, and safe working systemsrail signalling principles - mechanicaloverview of mechanical rail signalling encompassing:types of mechanical rail signalling systems for different rail traffic, including passenger train, freight train, maintenance vehicles and heritage/tourism traindeficiencies of mechanical signalling systems, including automatic, controlled and interlocked signallingeffects of overhead traction systems on mechanical signalling systems (where applicable)effects of external factors on the mechanical rail signalling system, including rail overhead, gradients/terrain, environmental and civil configurationpurpose of elements of a mechanical rail signalling system, including signals, point actuating systems, locking and train detection systems, control input devices, indicators, diagrams and monitors, mechanical interlocking frames, safe working systems and electro-mechanical interfacesrail signalling - point actuating devicesequipment and their components encompassing:point actuating mechanisms, including mechanical, pneumatic, hydraulic and electric powered unitsblade and operation detection deviceson-rail locking devicesoff-rail locking devicesswing nose devicesironwork and fixturesequipment, including point machines, detectors, claw/clamp locks, swing nose mechanisms and in-bearer mechanismsoperating principles encompassing:point operation, normal and reversepoint locking, normal and reversepoint detection, normal and reversedetectorsoff-rail locking operationon-rail locking operationelectric operation of contactors, motor control and detection circuitsinterpreting circuit diagrams to evaluate correct operation and relationship to other signalling circuitsnormal mechanical movementfailure mode mechanical movement, including wrong side and right-side conditions identifying if movement should be possiblecorrect operation in accordance with control and locking tablesservicing procedures encompassing:maintenance documentationcoordination/planning sequenceoperational test proceduresscheduled/preventative maintenanceunscheduled/corrective maintenancecertifying point equipment (commission and decommission)certifying procedures applicable for compliance with rail operator/enterprise standardssafe working practices and relevant standards, codes and regulationsrelevant job safety assessments or risk mitigation processesrelevant WHS/OHS legislated requirementsrelevant workplace policies and procedures, including rail transport operator safety management system. |