Elements and Performance Criteria

Stream: Production Plant
Field: Operations
Equivalencies: This unit of competency is mapped to Schedule C, turbine operation of
the Worksafe Australia Standards [NOHSC:1006(1992)]
Plant and equipment may include turbine and auxiliary plant turbine by-pass system plant; turbine lubrication and power/control oil systems; condensate and feedwater system plant to boiler economiser inlet valve; condensate polishing plant; high and low pressure heating systems; steam condensing and cooling systems; condenser vacuum raising equipment; turbine gland sealing equipment; condenser cooling water systems plant; boiler feedwater de-aerating equipment; condensate and feedwater chemical treatment equipment; electric motors AC and DC; electricity distribution systems AC and DC; diesel engine driven auxiliary plant; station water distribution systems; hydraulic oil system; pumps; compressed air systems; computers with equipment control functions; supervisory, alarm, protection and control equipment; and pumps
Safety standards may include relevant sections of occupational health and safety legislation, enterprise safety rules, Australian standards, national standards for plant and relevant state and federal legislation
Information and documentation sources may include verbal or written communications; enterprise safety rules documentation; enterprise operating instructions; manufacturer's operational and maintenance manuals; equipment and alarm manuals, enterprise log books, dedicated computer equipment, enterprise standing instructions and plant notes
Technical and operational indicators may include stimuli (audio, smell, touch, visual), remote or local indicators and recorders, computers and alarms (visible and/or audible)
Communications may be by means of telephone, two way radio, pager, computer (electronic mail) and operating log (written or verbal)
Tests may include motor direction checks, stand-by plant "cut-in" tests, pre and post shut-down tests, valves operating checks, alarm and protection tests and turbine overspeed tests
Appropriate personnel to consult, give or receive direction may include supervisor/team leader or equivalent; technical and engineering officers or equivalent; maintenance staff; power plant operations personnel or equivalent
Operating environment may be remote from plant and equipment being operated; where operation is assisted by remote indicators of plant status and other parameters monitored; in wet/noisy/dusty/hot areas; during night periods; and during inclement or otherwise harsh weather conditions
Unit operations may include emergency shut down; turbine shutdown, with or without turbine bypass, or by using forced cooling procedures
Faults and abnormal operating conditions may include loss of a major auxiliary; turbine water ingress; excessively high turbine and turbine valves heating/cooling rates/differentials; high condenser vacuum; condenser tube leak; high dissolved oxygen, conductivity; high turbine bearing temperatures/ vibration; high/low bearing oil temperature; loss of turbine bearing oil flow/pressure; low/high pressure heaters malfunctions; turbine bypass system malfunctions; actuator/valve mechanical/electrical faults/failure; failed field devices; and turbine protection

Critical aspects of evidence
The knowledge and application of relevant sections of: Occupational, health and safety legislation; Statutory legislation; Enterprise/site safety procedures; Enterprise/site emergency procedures
The preparation and planning of work
The operation of turbine plant and equipment
Operationally testing plant
Analysing plant faults
Monitoring plant operation
The knowledge of the system components and their interaction
The knowledge of turbine shutdown and cooling processes
The knowledge of turbine supervision and control systems
Context of assessment
Competency Standards should be assessed in the workplace or simulated workplace and under the normal range of workplace conditions
Assessment of this unit will be supported with documentary evidence, by means of endorsement stating type and application of equipment operated
Knowledge and Skills
A knowledge of:
Relevant occupational health and safety regulations; Relevant statutory legislation; Relevant enterprise/site safety procedures; Enterprise/site emergency procedures and techniques; Relevant plant and equipment, its location and operating parameters; Plant status; Environmental legislation; Enterprise recording procedures; Communication principles ; Control and data acquisition systems; Computers and software; Supervisory, alarm, protection and control equipment; Emergency procedures; Valve and actuator types and characteristics; Turbine speed control equipment; Heat transfer principles; The system components and interaction; Electricity distribution systems AC and DC; The system components and their interaction with other plant and equipment external to that covered by this competency; Station water distribution systems; Fire protection control systems; Power and control oil systems; Compressed air systems; Principles of condensate and feedwater chemical treatment; Turbine life expenditure and control; Turbine bypass system; Vacuum raising and turbine gland sealing systems; Introduction to power production plant ; Typical arrangements of power production plant; Mathematics; Mechanics; Thermodynamics; Properties of matter; Lubrication and bearings; Pumps; Liquid pumping systems; Power plant cycle; General responsibilities for power production plant operations; Turbine construction and operating principles; Turbine lubrication and oil systems; Condensate and feedwater systems; Feedwater heating and drainage systems; Circulating water system; Condenser systems; Turbine operations; Turbine efficiency; Electrical principles; Transformers; Electric motors; Switchgear; Heating of electrical equipment; Electrical protection; Schematic diagrams; Safe operating principles
The ability to:
Apply relevant occupational health and safety regulations; Apply relevant statutory legislation; Apply relevant enterprise/site safety procedures; Apply enterprise/site emergency procedures and techniques; Apply enterprise recording procedures; Identify plant status; Prepare plant/equipment for operation; Organise resources; Operate turbine plant and equipment; Apply turbine cooling techniques and procedures; Apply diagnostic and testing techniques; Identify and respond to abnormal plant operating conditions; Plan and prioritise work; Use relevant hand tools; Communicate effectively ; Apply data analysis techniques and tools; Use diagrams, drawings and symbols; Co-ordinate the operation of equipment to maintain plant integrity, personnel safety, continuity of supply and optimum efficiency.