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Elements and Performance Criteria

  1. Prepare/plan to develop LV switching schedules
  2. Carry out the development of LV switching schedules
  3. Complete development of LV switching schedules

Required Skills

Essential Knowledge and Associated Skills EKAS This describes the essential skills and knowledge and their level required for this unit

Evidence shall show that knowledge has been acquired of developing LV switching schedule

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

KSTISA Low voltage switching schedules

KS01-TIS49A Low voltage switching schedules

Evidence shall show an understanding of developing low voltage switching schedules to an extent indicated by the following aspects

T Electrical equipment fundamentals used in the powerline industry encompassing

Legislation Standards codes legislation supply authority regulations and specific enterprise regulations pertaining to the use and care of electrical equipment HV and LV equipment

Characteristics capabilities and application of powerline electrical equipment

Safety precautions with regards to using electrical equipment

Techniques in preuse inspection on the serviceability of electrical equipment

Techniques in the general maintenance and care and storage of electrical equipment

Identifying hazards assessing and controlling risks associated with their the use of electrical equipment

T Installation of switchgear and associated equipment encompassing

Types and function of various switchgear isolators airbreak switches gasfilled switches vacuum type links fuses oil disconnectors fuse switches circuit breakers operating characteristics advantages and disadvantages of different types switchgear installation procedures earthing requirements and techniques

Types of equipment transformers reactors regulators capacitors relays surge arrestors fault indicators and mobile generators

Installation procedures for switchgear and equipment standards codes legislation supply authority regulations and or enterprise requirements assembly and erecting procedures earthing requirements and techniques pole mounted locations

Maintenance procedures for switchgear and equipment diagnosing and rectifying faults according to electricity supply industry standards and procedures

Testing and commissioning electricity supply industry standards and procedures

T Low voltage switching principles encompassing

Standards codes legislation supply authority regulations and or enterprise requirements applicable to switching of low voltage to a given schedule

Requirements for the use of manuals system diagramsplans and drawings types characteristics and capabilities of electrical apparatus use characteristics and capabilities of specialised tools and testing equipment LV network interconnectors source of possible backfeed

Low voltage switching techniques identifying hazards assessing and controlling risks associated with LV switching operations electrical access permits operational procedures earthing procedures

Personnel protective equipment PPE for LV switching

T LV system switching principles including switching authorisation procedures encompassing

Legislation Standards codes legislation supply authority regulations and or enterprise requirements applicable to system switching

Requirements for the use of manuals system diagramsplans and drawings

Types and characteristics of LV systems and equipment to be switched

Procedures for obtaining correct LV switching authorisation identification of OHS hazards assessing and controlling risks safety procedures and precautions safe approach distances responsibilities and protocols identifying switching resources procedures for obtaining electrical access permits authorities requirements for team switching procedures for coordination of operations

Techniques in LV system switching isolation procedures and proving dead earthing procedures preswitching checks switching operational procedures emergency fault procedures energisation procedures

T Low voltage overhead and substation switching principles encompassing

Legislation Standards codes legislation supply authority regulations and or enterprise requirements applicable to low voltage overhead and substation switching

Requirements for the use of manuals system diagramsplans and drawings types characteristics and capabilities of LV electrical equipment to be switched use characteristics and capabilities of specialised tools and testing equipment role and responsibilities of the LV switching operator

Operational forms access authorities and hazardrisk assessments associated with HV switching types of operational forms access authorities and hazardrisk assessments purpose and procedure for operational forms access authorities and hazardrisk assessments

Use and operation of equipment associated with LV overhead and substation equipment test instruments sticks interrupters arc stranglers

LV switchgear types categories application operating capabilities

Operation of LV overhead switching or indicating devices fuses disconnect fuses load switching underslung links air break switches disconnects live line clamps phasing sticks phasing tester

Operation of protection systems and substation equipment fault levels and settings types and applications protection systems and substation equipment fault levels and settings types and applications

Restrictions pertaining to LV switching equipment

Procedures for the isolation of LV distributions main and working earths

Earthing LV electrical apparatus practices and procedures for access authority issuing

Low voltage switching techniques

Operate switching apparatus identifying hazards assessing and controlling risks associated with LV switchgear operation systematic and defensive techniques mobile radio procedures double isolation procedures

T Preparation of a LV switching instruction encompassing

Legislation Standards codes legislation supply authority regulations and or enterprise requirements applicable to switching sheet schedules

Requirements for the use of manuals system diagramsplans and drawings types characteristics and capabilities of LV electrical equipment to be switched isolation points and earthing responsibilities of the switching operator

Techniques in writing switching schedules sequence of switching operations isolation procedures earthing procedures switching completion notification procedures

T Enterprise specific policy and procedure instructions encompassing

Responsibilities and duty of care of employer and employee relationship

Methods of obtaining the uptodate information on enterprise policy and procedures

Rules and regulations

Induction into workplace location of work area and storage area timetable uniform personal wellbeing housekeeping rules emergency procedures evacuation procedures

Techniques when deal with others working in teams customer relation complaint and issues procedures

Overview of enterprise professional development fire fighting procedures fatigue management training and competency development understanding and promotion

T Enterprises specific OHS instructions encompassing

Standards codes legislation supply authority regulations and specific enterprise regulations pertaining to the OHS policies and procedures

Methods of obtaining the uptodate information on enterprise OHS policy and procedures

Specific enterprise personal protection equipment type and application where and when to be used method of replacement responsibility of maintenance including cleaning inspection and testing emergency response rescue evacuation and First Aid procedures

Personal wellbeing hygiene fatiguestress management drugsalcohol

OHS training induction training specific hazard training specific task or equipment training emergency and evacuation training training as part of broader programs such as equipment operation

OHS records including audits inspection reports workplace health and environmental monitoring records training and instruction records manufacturers and suppliers information such as MSDSs registers maintenance reports workers compensation and rehabilitation records and First Aidmedical records

T Enterprises specific technical drawing and documents encompassing

Types and application of enterprise specific drawings and documents electrical and electronic drawings mechanical drawings project charts schedules graphs technical manuals and catalogues

Instructionworksheets sheets types and application of enterprise specific symbols and diagrams

Title box description of parts and version control

Evidence Required

This provides essential advice for assessment of the unit of competency and must be read in conjunction with the Performance Criteria and the range statement of the unit of competency 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 component parts of this unit and performed in accordance with the Assessment Guidelines of this Training Package

Overview of Assessment

Longitudinal 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 Industrys 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 in this regard

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 substancematerial 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 practiced These points are raised for the assessors to consider when choosing an assessment method and developing assessment instruments Sample assessment instruments are included for Assessors in the Assessment Guidelines of this Training Package

Critical aspects of evidence required to demonstrate competency in this unit

Before the critical aspects of evidence are considered all prerequisites 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 UET Evidence shall also comprise

A representative body of Performance Criteria 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 and

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

Demonstrate an understanding of the essential knowledge and associated skills as described in this unit to such an extent that the learners performance outcome is reported in accordance with the preferred approach namely a percentile graded result where required by the regulated environment and

Demonstrate an appropriate level of employability skills and

Conduct work observing the relevant Anti Discrimination legislation regulations policies and workplace procedures and

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

Range of toolsequipmentmaterialsproceduresworkplacesother variables

Group No

The minimum number of items on which skill is to be demonstrated

Item List

A

All of the following

Approvalsclearances

Access authorities

B

All of the following

Development of LV switching schedule to enterprise requirements

C

All of the following

Planning of loading of network components including standby generation

Evaluate load parameters and effects on system including paralleling and offloading

Identify unexpected sources of energisation eg generators UPS solar etc

Implementing earthing procedures to reduce induced voltages

Authorising issuance of workpermits

D

At least one occasion

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

Context of and specific resources for assessment

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 development of LV switching schedules

In addition to the resources listed above in Context of and specific resources for assessment evidence should show demonstrated competency working at realistic heights above ground ie above metres in limited spaces with different structuralconstruction types and method and in a variety of environments

Method of assessment

This Competency Standard Unit shall be assessed by methods given in Volume Part Assessment Guidelines

Note

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

Concurrent assessment and relationship with other units

For optimisation of training and assessment effort competence in this unit may be assessed concurrently with the following units

UETTDRISA Develop high voltage switching schedule

UETTDRIS48A Develop high voltage switching schedule


Range Statement

10) This relates to the unit of competency 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.

This Competency Standard Unit shall be demonstrated in relation to the development of a LV switching schedule and may include system diagram, system plant data and loading evaluation of network components.

The following constants and variables included in the element/Performance Criteria in this unit are fully described in the Definitions Section 1 of this volume and form an integral part of the Range Statement of this unit:

Appropriate and relevant persons (see Personnel)

Appropriate authorities

Assessing risk

Assessment

Authorisation

Documenting detail work events, record keeping and or storage of information

Drawings and specifications

Emergency

Environmental and sustainable energy procedures

Environmental legislation

Environmental management documentation

Established procedures

Hazards

Identifying hazards

Inspect

Legislation

Notification

OHS practices

OHS issues

Permits and/or permits to work

Personnel

Quality assurance systems

Requirements

Testing procedures

Work clearance systems