Elements and Performance Criteria
- Prepare to repair and maintain gas fuelled turbine engine
- Hazards are identified, risks are assessed and existing risk control measures and workplace procedures are implemented in preparation for work
- Safety hazards that have not previously been identified are noted on job safety assessments and existing risk control measures are implemented
- Formal authority to proceed with repair and maintenance is obtained before commencing work in accordance with regulatory and code of practice requirements
- Repair and maintenance plans are prepared in consultation with person/s affected by work activity and sequenced appropriately
- Scope, nature and location of work activity is determined from documentation or relevant person/s
- Gas fuelled turbine engine plant, equipment and component specifications and manufacturer manuals are obtained for planned work activity
- Material needed for the gas fuelled turbine engine repair and maintenance work is obtained in accordance with workplace procedures and checked against job requirements
- Tools, equipment, personal protective equipment (PPE) and testing devices needed to for the repair and maintenance work are obtained in accordance with workplace procedures and checked for correct operation and safety
- Preparatory work is checked to ensure no damage has occurred and complies with job requirements
- Repair and maintain gas fuelled turbine engine
- Relevant gas regulatory and codes of practice, and recording and reporting requirements are satisfied at appropriate times throughout the work sequence
- Gas and electrical circuits/machines/plant are isolated and safe in accordance with authority, WHS/OHS requirements and workplace procedures before work is commenced
- Nature and possible cause of faults or out-of-specification performance are identified from defect reports or operational records
- Fault-finding gas fuelled turbine engine is approached methodically using observation, measurement, calculations and comparison with normal system and component parameters/values
- Faults beyond the scope of gas fuel train, ignition or fume exhaust work are identified and arrangements are made for appropriately competent and authorised person to rectify fault/s
- Engine is disconnected to carry out maintenance and repairs, as required, in accordance with gas authority and WHS/OHS requirements and workplace procedures
- Components are removed/dismantled and parts stored to protect them against loss or damage, as required
- Faulty components are rechecked and their fault status confirmed
- Gas fuelled turbine engine materials required to rectify faults are sourced and obtained in accordance with workplace procedures
- Repair and maintenance work is carried out efficiently, without unnecessary waste of materials or damage to apparatus, circuits, and the surrounding environment or services using sustainable energy principles
- Effectiveness of the repair is inspected and tested in accordance with workplace procedures
- System is reassembled, reconnected and finally inspected and tested to ensure it is operating safely, effectively and complies with relevant industry standards and job requirements
- Unplanned situations are responded to in accordance with workplace procedures, in a manner that minimises risk to personnel and equipment safely and with the approval of an authorised person
- Complete and report repair and maintenance
- Check of the gas fuelled turbine engine is made to verify compliance with job requirements, certification required by relevant gas authorities and industry standards
- Work area is cleared and materials disposed of or recycled in accordance with relevant legislation and workplace procedures
- Tools and equipment are cleaned, checked, serviced and stored in accordance with manufacturer recommendations and workplace procedures
- Work site is cleaned and made safe in accordance with workplace procedures
- Maintenance and repair work is documented and appropriate person/s notified in accordance with workplace procedures