Elements and Performance Criteria

Stream: Production Plant

Field: Operations

Equivalencies: N/A

Plant and equipment may include turbines; turbines with underslung pumps; inlet valve, inlet bypass valve, scroll case and draft tube, relief valve, wicket gates or spear valve, gate swing ring or spear actuator, runner, turbine bearing; reversible turbines; auxiliary plant and equipment, including batteries, chargers, governor oil pumps, auxiliary generators, standby generators, air compressors, transformer and bearing cooling water pumps, pressure reducing valves, dewatering and sump pumps, seal water filters, bearing oil coolers, oil and water separators, fire detection and protection equipment; governor and associated hydraulic circuits; generator and auxiliary plant including main exciter, commutator, pilot exciter, voltage regulator, cooling systems, lube oil systems, seal systems, brake systems; computer with equipment control functions; supervisory, alarm and control equipment; electrical motors, fans and pumps; electrical supply and distribution systems; valves and dampers (electric, hydraulic, pneumatic and manual); lubrication and oil conditioning systems; static/rotating rectifiers; brush gear and slipring fire protection equipment; sliprings and commutators; AVR/AER; heat exchangers, filters and strainers; generators; transformers; water drainage systems; and environmental protective systems.
Safety standards may include relevant sections of occupational health and safety legislation, enterprise safety rules, relevant state and federal legislation, national standards for plant and Australian standards.
Information and documentation sources may include verbal or written communications; enterprise safety rules documentation; enterprise operating instructions; dedicated computer equipment; enterprise/site standing and operating instructions; enterprise log books; manufacturer's operation and maintenance manuals; and equipment and alarm manuals.
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 logs (written or verbal)
Tests may include motor direction checks, stand-by plant "cut-in" tests, relief valves operation tests, overspeed tests, main inlet valves/guide vanes timing tests, load rejection tests, governor damping tests and phrase rotation tests.
Appropriate personnel to consult, give or receive direction may include, supervisor/team leader or equivalent, engineering officer/hydro maintenance office or equivalent, technical and engineering officers or equivalent, contractor staff, maintenance staff, applicable water control authority or equivalent and "transgrid" operator or equivalent.
Test, fault finding and operating tools may include low and high voltage testers, proving dead equipment, powered or non-powered hand tools.
Operating environment may be remote from plant, aided by indicators and monitors, during inclement or otherwise harsh weather conditions, in wet/noisy/dusty/hot areas, during night periods or locally aided by visual and audible indicators.

Critical aspects of evidence
The knowledge and application of relevant sections of: Occupational, health and safety legislation; Statutory legislation; Enterprise/site procedures; Enterprise/site emergency procedures.
Preparation and planning of work
Operation of hydro turbine generator
Operationally testing plant
Analysing plant faults
Monitoring plant operation
Work completion details

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.

Interdependent assessment of unit
Nil

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; Motor performance characteristics; Basic fan performance characteristics; Pump performance characteristics; Generator performance characteristics; Valve and actuator type and characteristic (may include pressure conduit valves); Speed control systems; Electrical supply and distribution systems; Principles of heat exchanger operation; Unit lubrication systems and oil conditioning systems; Equipment behaviours under the influence of high water pressure and/or flows; Civil and hydraulic structures, turbines, valves and gates, governors, bypass and relief valves, generators, exciters, transformers, batteries, communications, auxiliary plant; governing, frequency, excitation, voltage, voltage phase and speed matching, synchronising, active and reactive power setting.

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; 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; Operate equipment under the influence of high water pressures and/or flows; Co-ordinate the operation of equipment to maintain personnel safety and plant integrity; Operate and manage a hydro turbine generator unit.