9) This provides essential advice for assessment of the competency standard unit and must be read in conjunction with the Performance Criteria and the Range Statement of the unit and the Training Package Assessment Guidelines.

The Evidence Guide forms an integral part of this competency standard unit and shall be used in conjunction with all components parts of this unit and, performed in accordance with the Assessment Guidelines of this Training Package.

Overview of Assessment

9.1)

Longitude competency development approaches to assessment, such as Profiling, require data to be reliably gathered in a form that can be consistently interpreted over time. This approach is best utilised in Apprenticeship programs and reduces assessment intervention. It is the Industry preferred model for apprenticeships. However, where summative (or final) assessment is used it is to include the application of the competency in the normal work environment or, at a minimum, the application of the competency in a realistically simulated work environment. It is recognised that, in some circumstances, assessment in part or full can occur outside the workplace. However, it must be in accord with Industry and regulatory policy.

Methods chosen for a particular assessment will be influenced by various factors. These include the extent of the assessment, the most effective locations for the assessment activities to take place, access to physical resources, additional safety measures that may be required and the critical nature of the competencies being assessed.

The critical safety nature of working with electricity, electrical equipment, gas or any other hazardous substance/material carries risk in deeming a person competent. Hence, sources of evidence need to be ‘rich’ in nature so as to minimise error in judgment.

Activities associated with normal every day work have a bearing on the decision as to how much and how detailed the data gathered will contribute to its ‘richness’. Some skills are more critical to safety and operational requirements while the same skills may be more or less frequently practised. These points are raised for the assessors to consider when choosing an assessment method and developing assessment instruments. Sample assessment instruments are included in the Assessment Guidelines of this Training Package.

Critical aspects of evidence required to demonstrate competency in this unit

9.2)

Before the critical aspects of evidence are considered all pre-requisites shall be met.

Evidence for competence in this unit shall be considered holistically. Each element and associated Performance Criteria shall be demonstrated on at least two occasions in accordance with the “Assessment Guidelines – UEP12”. Evidence shall also comprise:

A representative body of work performance demonstrated within the timeframes typically expected of the discipline, work function and industrial environment. In particular this shall incorporate evidence that shows a candidate is able to:

Implement Occupational Health and Safety workplace procedures and practices including the use of risk control measures as specified in the Performance Criteria and Range Statement

Apply sustainable energy principles and practices as specified in the Performance Criteria and Range Statement

Demonstrate an understanding of the essential knowledge and associated skills as described in 6) Essential Knowledge and Associated Skills of this unit

Demonstrate an appropriate level of employability skills

Conduct work observing the relevant Anti-Discrimination legislation, regulations, polices and workplace procedure

Demonstrated performance across a representative range of contexts from the prescribed items below:

The knowledge and application of relevant sections of: Occupational Health and Safety legislation; Statutory legislation; Enterprise/site safety procedures; Enterprise/site emergency procedure

Preparation and planning of work

Operation of switch gear

Conducting switching operations

Operationally testing plant

Analysing equipment, system and protection faults

Monitoring equipment, and system operation

Dealing with an unplanned event by drawing on essential knowledge and skills to provide appropriate solutions incorporated in the holistic assessment with the above listed items.

Context of and specific resources for assessment

9.3)

This unit should be assessed as it relates to normal work practice using procedures, information and resources typical of a workplace. This should include:

OHS policy and work procedures and instructions.

Suitable work environment, facilities, equipment and materials to undertake actual work as prescribed by this unit.

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 work.

In addition to the resources listed above in Context of assessment’, evidence should show competency working in limited spaces with different types of plant and equipment as well as different structural/construction types and methods and in a variety of environments.

Method of assessment

9.4)

This unit shall be assessed by methods given Section 1.3.00 Assessment Guidelines.

Note:

Competent performance with inherent safe working practices is expected in the Industry to which this unit applies. This requires that the specified essential knowledge and associated skills are assessed in a structured environment which is primarily intended for learning/assessment and incorporates all necessary equipment and facilities for learners to develop and demonstrate the essential knowledge and skills described in this unit.

Concurrent assessment and relationship with other units

9.5)

There are no recommended concurrent assessments with this unit, however in some cases efficiencies may be gained in terms of learning and assessment effort being concurrently managed with allied competency standard units where listed.

Nil

8) This describes the essential skills and knowledge and their level, required for this unit.

Evidence shall show that knowledge has been acquired operating and monitoring d.c. electrical systems.

All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies.

The extent of the Essential Knowledge and Associated Skills required follows:

KS01-PO406B D.C. electrical systems

T1 Evidence shall show that knowledge has been acquired for safe working practices of:

Relevant environmental, occupational health and safety legislation and regulations

Enterprise procedures

Plant drawings and manufacturers manuals

Introduction to and typical arrangements of power production plant

Relevant plant and equipment, its location and operating parameters

Plant status;

Enterprise recording procedures;

Control and data acquisition systems;

Supervisory, alarm, and control equipment;

Switchboard(s), and ring main(s) layout and configuration;

d.c. Switchgear types and characteristics

Interlocks and inter-tripping systems;

Rectifiers and battery systems types and characteristics

Electrical principles

d.c. Electric motors types and characteristics

UPS systems types and characteristics

Heating of electrical equipment;

Electrical protection

Auxiliary supply systems

Safe operating principles

Inverters and rectifiers types and characteristics

T2 Specific skills needed to achieve the Performance Criteria:

Interpret plant drawings and manufacturers manuals

Apply enterprise recording procedures;

Identify plant status;

Prepare plant/equipment for operation;

Organise resources;

Operate switchgear and equipment;

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;

10) This relates to the competency standard unit as a whole, providing the range of contexts and conditions to which the Performance Criteria apply. It allows for different work environments and situations that will affect performance.

Systems, plant and/or equipment may include d.c. switchboards and ring mains; supervisory, control and protection equipment; UPS systems, circuit breakers; load breaking isolators; non-load breaking isolators; d.c. motors, combined fuse switches (CFS) with or without contactor units; low voltage equipment; fuses; mini circuit breakers; contactors; switchboard auxiliary supplies; indication; earth leakage detection systems; rectifiers; static; generators; batteries and battery banks; inverters; d.c. lighting systems and metering.

Operation of the equipment may include earthing

Safety standards may include relevant sections of Occupational Health and Safety legislation, enterprise safety rules, relevant State and federal legislation and national standards for plant.

Information and documentation sources may include verbal or written communications; enterprise safety rules documentation; 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), local indicators and recorders, computers and alarms (visible and or audible).

Communications may be by means of telephone, two way radio, pager, public address system, computer (electronic mail) and operating log (written or verbal).

Tests may include post maintenance operating tests, interlock tests, alarm tests and emergency/black start checks.

Appropriate personnel to consult, give or receive direction may include, supervisor/team leader or equivalent, technical and engineering officers or equivalent, power system control personnel or equivalent, power plant operations personnel, maintenance staff, contractor and specialist staff.

Test, fault finding and operating tools may include voltage testers, proving dead equipment, power or hand tools, control system equipment and fuse testers/multimeters.

Operating environment may be during inclement or otherwise harsh weather conditions, in wet/noisy/dusty areas or during night periods.

Faults and abnormal operating conditions may include; circuit breaker faults; loss of supervisory/control supplies; fuse failure; and earth faults.

Generic terms are used throughout this Training Package for vocational standard shall be regarded as part of the Range Statement in which competency is demonstrated. The definition of these and other terms are given in Section 2.1 Preliminary Information and Glossaries.