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Elements and Performance Criteria

1. Plan and prepare steam turbine shut down work
   • Safety issues are identified, in accordance with Work, Health and Safety (WHS)/Occupational Health and Safety (OHS) regulations, industry standards and workplace procedures
2. Work requirements are identified from appropriate personnel and documentation, in accordance with workplace procedures
3. Turbine shut down schedule is identified from relevant documentation, in accordance with workplace procedures and site requirements
4. Pre-shut down checks are carried out on steam turbine plant, in accordance with manufacturers' recommendations and workplace procedures
5. Conduct steam turbine shutdown
   • Steam turbine load is reduced, in accordance with and manufacturers' recommendations and workplace procedures
6. Steam turbine and generator are removed from the steam generation system, in accordance with manufacturers' recommendations and workplace procedures
7. Steam turbine is placed on turning gear, in accordance with manufacturers' recommendations and workplace procedures
8. Steam turbine is cooled down on turning gear, in accordance with manufacturers recommendations and workplace procedures
9. Test steam turbine plant operation during shut down
   • Tests are performed, in accordance with workplace procedures
10. Steam generation system and steam turbine plant is observed, in accordance with workplace procedures, for correct operational response
11. Corrective action is taken, in accordance with workplace procedures, when response does not meet documentation, plant integrity or personnel safety requirements
12. Steam turbine plant is returned to operational status upon completion of testing, in accordance with workplace procedures
13. Analyse and report on system faultsorstatus during steam turbine shutdown
    • Causes of abnormal steam turbine plant operating conditions are identified, in accordance with workplace procedures, by analysing technical and operational information
14. Corrective action is taken, in accordance with workplace procedures
15. Steam turbine plant integrity and personnel safety is maintained, in accordance with workplace procedures, through consultation with appropriate personnel and technical and operational documentation
16. Appropriate personnel are notified, in accordance with workplace procedures, when defects are detected
17. Complete documentation
    • Steam turbine plant problems, movements and status are reported, in accordance with workplace procedures
18. Documentation is updated, in accordance with workplace procedures

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 Companion Volume Implementation Guide.

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