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Elements and Performance Criteria

  1. Prepare/plan to maintain energised traction overhead electrical apparatus
  2. Carry out the maintenance of energised traction overhead electrical apparatus
  3. Complete the maintenance of energised traction overhead electrical apparatus

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 of maintaining energised traction overhead electrical apparatus stick has been acquired

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

KSTRTA Energised traction overhead electrical apparatus using stick techniques

KS01-TRT32A Energised traction overhead electrical apparatus using stick techniques

Evidence shall show an understanding of working on energised traction overhead electrical apparatus using stick techniques to an extent indicated by the following aspects

T Basic rigging techniques encompassing

Standards codes legislation supply authority regulations and or enterprise requirements associated with rigging including the operation of cranes hoists and winches and relevant certification and licensing if required

Requirements for the use of enterprise construction manuals system diagramsplans and drawings

Safe use of rigging equipment tools and associated equipment types techniques and application

Site inspection procedures identifying hazards assessing and controlling risks appropriate sequence of loading and unloading

Determining the mass and dimensions of load

Selection and inspection procedures rigging equipment materials and tools natural and synthetic fibre ropes and chains fittings winch and capstan ratings of wire ropes and slings removing repairing and replacing of damage parts

Techniques for assembling and erecting power winches and capstans

Checking the integrity of support structure visual inspection of load connections

Techniques in moving lifting shifting managing and placing loads use of appropriate communication and signalling methods codes of practicecompliance enterprise and Commonwealth StateTerritory legislative requirements weather conditions erection of safety nets and lines methods of fixing and anchoring loads load stability

T Installation of overhead distribution conductors encompassing

Standards codes legislation supply authority regulations and or enterprise requirements applicable to installing conductors and associated equipment

Requirements for the use of overhead line construction manuals system diagramsplans and drawings material lists conductor size type and route length

Constructions types and structures for distribution and sub transmission lines

Types sizes and characterises of overhead conductors

Resources for the stringing and maintenance of conductors types of low and high voltage overhead electrical conductor connections causes and effects of poor electrical connections reasons for and methods used to maintain standard phase sequencing removing repairing and replacing of damage conductors minimum clearances between overhead conductors and low and high voltage structures

Techniques for conductor installation types and application of tools equipment and hardware

Methods of stringing tensioning and termination of low and high voltage conductors

T Safe working practices and procedures for the installation of overhead distribution conductors encompassing

Limits of approach for personnel vehicles mobile plant and elevating work platforms EWP

Requirements of persons prior to making bare hand contact with dead low voltage mains and apparatus

Requirements of relevant electrical access permits necessary to allow work to be performed on low and high voltage apparatus

Safe working practices requirements to enable safe working on conductive poles procedure to attach an onsite earthing device to deenergised low and high voltage overhead circuit

T Safe working on energised low voltage equipment encompassing

Standards codes Commonwealth StateTerritorylocal government legislation supply authority regulations and or enterprise requirements

Safety precautions specific to working on or near energised low voltage conductors safe working practices and procedures identification of hazards assessment and control of OHS risks types selection maintenance and use of personal protective equipment

Work on or near energised LV conductors types and function of specialised tools safe working practices when using specialised tools methods of using specialised tools safe procedures for work on panels and in cubicles on or near energised LV conductors release and rescue procedures for work on or near exposed energised LV conductors

T Powerline safety practices encompassing

Protective apparatus and apparel for linework responsibilities for the selection use maintenance and storage of protective apparatus and apparel and the types of protective apparatus and apparel used for the line worker

Requirements for the use of ladders carrying erecting collapsing and lowering different types of extension ladder against a standing pole maintenance checks on different types of ladders renewal of extension ropes and the safety issues relating to clearances from overhead conductors

Requirements for climbing and working aloft methods used to identify a pole is safe to climb methods used to inspect a line workers body belt application of knots and hitches appropriate to the requirements of a line worker height safety principles including personal fall protection prevention and related requirements and the practical procedure of climbing an overhead structure and fitting a pole chair

Traffic management purpose of traffic management and a line workers responsibilities in accordance with relevant statutory requirements and electricity supply industry requirements demonstration of the procedure used to provide an effective traffic management scheme and the use of a twoway radio

Control of small fires identification selection and operation of the appropriate extinguishing mediums for various types of fires general fire prevention methods and the precautions for personal protection when fighting small fires

Rescue victims from heights and confined spaces planning identifying the procedures and establishing responses developing techniques involvement of external emergency services and practical demonstrationrehearsals of rescuing a person from heights and from confined spaces and emergency procedures for the rescue of an electric shock victim including CPR

Requirements for aerial linework planning establishing and implementing relevant aviation authority clearances determining system requirements aircrew familiarisation with network operations and equipment requirements for effective communications operations for aerial work

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 Safe working on energised DC traction equipment encompassing

CommonwealthStateTerritorylocal government legislation Standards codes supply authority regulations and or enterprise requirements

Safety precautions specific to working on energised LV DC Traction overhead conductors and cables safe approach distances safe working practices instructions and procedures Occupational Health and Safety hazards and precautions identification of OHS hazards assessment and control of OHS risks types selection maintenance storage and use of personal protective equipment dangers of working in confined spaces and at heights notification to work systems safe working policies procedures and practices when usingoperating specialised equipment and tools emergency response and rescue including First Aid etc

Techniques in installation maintenance replacing and repairing of energised DC traction overhead conductors cables and equipment span crossspan headspan section insulator support equipment tramway support network catenary dropper contacttrolley feeder inspan feeder drapepotential jumper

Techniques in carrying out work on energised DC traction overhead conductors cables and equipment removing trapped foreign objects profiling vertical adjustment of contact or trolley wire

Techniques in using plant equipment andor tools to carry out work on energised DC traction overhead conductors cables and equipment insulated elevating work vehicles insulated ladder insulated work platforms tensioning equipment insulated sticks ropes slings and chains

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 competency standard unit and must be read in conjunction with the Performance Criteria and the range statement of the competency standard 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 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

At least two of the following

Support structure

Span

Section insulator

Neutral section

Midpoint anchor

Support equipment

Tension regulators

B

At least two of the following

Catenary

Dropper

Contact feeder

C

At least one of the following

Insulated elevating work platform

Insulated ladder

Insulated mobile platform

D

At least two of the following

Specialised insulated tools

Insulated sticks

Tensioning equipment

Geometry profiling equipment

E

At least two of the following

Airbreak switches

Insulators

Surge arrestors

Hardware and fittings

F

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 maintenance of energised traction overhead electrical apparatus

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 Transmission Distribution and Rail Traction Industry 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

UETTDRRTA

UETTDRRT33A

Maintain energised traction overhead electrical apparatus using glove techniques


Range Statement

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.

This Competency Standard Unit shall be demonstrated in relation to the maintenance of energised traction overhead electrical apparatus by the adoption of live line insulated stick techniques, without the need to interrupt traction power supply during the course of work undertaking. Competency shall be demonstrated in relation to the maintenance, visual inspection and pre-commissioning tests of the overhead traction electrical equipment and components as well as associated hardware including ancillary equipment.

Maintenance may include the carrying out of diagnostics and tests on conductors, equipment, systems as well as the removal, repair and replacement of cables, conductors, and associated hardware and returning such to operational service.

Types of traction wire support structures may consist of portals, pull-off, drop-pieces, head spans, and cross spans.

Types of traction components may include switches, surge arresters, insulators, droppers, bay components, cantilever hardware, portal hardware, steady spans hardware, steady spans, insulators, pull-off arms, tension regulators, section insulators, neutral sections, air break switches, in span feeders, isolation switches, knuckles (insulated and non-insulated) and cross arms.

Traction system components may consist of metalwork, wires, hardware, fittings and insulators.

Types of conductor may include HD, CAD, and Tin Bearing copper, aluminium, steel, aluminium conductor steel reinforced, copper cover steel.

Types of wiring arrangements include single wire systems, simple and compound catenary systems.

Plant may include live-line tools, insulated ladders, insulated elevating work platforms/vehicles/trains, specialist tension string equipment, wire drums

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

Appropriate work platform

Assessing risk

Assessment

Authorisation

Confined space

Diagnostic, testing and restoration

Documenting detail of 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

Fall prevention

Hazards

Identifying hazards

Inspect

Legislation

MSDS

Notification

OHS practices

OHS issues

Permits and/or permits to work

Personnel

Quality assurance systems

Requirements

Testing procedures

Work clearance systems