UETTDRIS46A
Install and maintain ESI network infrastructure electrical equipment

1)Scope:1.1) DescriptorThis Competency Standard Unit covers the installation and maintenance of electrical equipment, such as fuse switches, drop out switches, sectionalisers, links, surge arrestors, gas filled and or oil filled switches, which are relevant to the transmission, distribution and rail networks. It includes the termination/connection of the equipment in accordance to enterprise requirements; the repair and/or replacement of “like for like” electrical equipment and associated hardware, and may include sampling of insulating oils. It also encompasses the identification of faults, the relevant pre-commissioning tests involving the equipment/system and the interpretation of these tests against agreed specifications. It excludes the energisation of the equipment maintained in a highly complex, interdependent and interconnected electricity supply Network system, where the affects of unintended consequences on the system are high risk and appropriate personnel effect energisation.

Application

2)

This Competency Standard Unit is intended to augment formally acquired competencies. It is suitable for employment-based programs under an approved contract of training.


Prerequisites

Prerequisite Unit(s)

4)

Competencies

4.1)

Granting of competency in this unit shall be made only after competency in the following unit(s) has/have been confirmed.

Where pre-requisite pathways have been identified. All competencies in the Common Unit Group must be have been completed plus all the competencies in one (1) of the identified Pathway Unit Group(s):

Common Unit Group

Unit Code

Unit Title

UEENEEE101A

Apply Occupational Health and Safety regulations, codes and practices in the workplace

UEENEEE102A

Fabricate, assemble and dismantle utilities industry components

UEENEEE104A

Solve problems in d.c. Circuits

UEENEEE105A

Fix and secure electrotechnology equipment

UEENEEE107A

Use drawings, diagrams, schedules, standards, codes and specifications

UEENEEE137A

Document and apply measures to control OHS risks associated with electrotechnology work

UEENEEG006A

Solve problems in single and three phase low voltage machines

UEENEEG033A

Solve problems in single and three phase electrical apparatus and circuits

UEENEEG063A

Arrange circuits, control and protection for general electrical installations

UEENEEG101A

Solve problems in electromagnetic devices and related circuits

UEENEEG102A

Solve problems in electromagnetic devices and related circuits

UEENEEG103A

Install low voltage wiring and accessories

UEENEEG104A

Install appliances, switchgear and associated accessories for low voltage electrical installations

UEENEEG105A

Verify compliance and functionality of low voltage general electrical installations

UEENEEG106A

Terminate cables, cords and accessories for low voltage circuits

UEENEEG107A

Select wiring systems and cables for low voltage general electrical installations

UEENEEG108A

Trouble-shoot and repair faults in low voltage electrical apparatus and circuits

UEENEEG109A

Develop and connect electrical control circuits

UEENEEK142A

Apply environmentally and sustainable energy procedures in the energy sector

UETTDREL16A

Working safely near live electrical apparatus

UETTDRIS62A

Implement and monitor the power system organisational OHS policies, procedures and programs

UETTDRIS63A

Implement and monitor the power system environmental and sustainable energy management policies and procedures

Literacy and numeracy skills

4.2)

Participants are best equipped to achieve this unit if they have reading, writing and numeracy skills indicated by the following scales. Description of each scale is given in Volume 2, Part 3 “Literacy and Numeracy”

Reading

4

Writing

4

Numeracy

4


Elements and Performance Criteria

ELEMENT

PERFORMANCE CRITERIA

1

Prepare for the installation and maintenance of network infrastructure electrical equipment

1.1

Works schedule(s), including drawings, plans, requirements, established procedures, and material lists, are received, analysed and confirmed, if necessary, by site inspection.

1.2

Relevant requirements and established procedures for the work are communicated to all personnel and identified for all work sites.

1.3

OHS policies and procedures related to requirements and established procedures for the installation and or maintenance of network infrastructure electrical equipment are obtained and confirmed for the purposes of the work to be performed and communicated.

1.4

Work is prioritised and sequenced following consultation with others for completion within acceptable timeframes and in accordance with established procedures.

1.5

Hazards are identified, OHS risks assessed and control measures are prioritised, implemented and monitored including emergency exits kept clear according to established procedures.

1.6

Relevant work permits are obtained to access and perform work according to requirements and/or established procedures.

1.7

Resources including personnel, equipment, tools and personal protective equipment required for the job are obtained and confirmed in working order.

1.8

Relevant personnel at worksite are confirmed current in First Aid, Pole Top Rescue and other related work procedures according to requirements.

1.9

Liaison and communication issues with other/authorised personnel, authorities, clients and land owners are resolved to carry out work where necessary.

1.10

Site is prepared according to the work schedule and to minimise risk and damage to property, commerce, and individuals in accordance with established procedures.

1.11

Personnel participating in the work, including plant operators and contractors, are fully briefed and respective responsibilities confirmed where applicable in accordance with established procedures.

1.12

Road signs, barriers and warning devices are positioned in accordance with requirements.

2

Carry out installation and maintenance of network infrastructure electrical equipment

2.1

OHS and sustainable energy principles and practices to reduce the incidents of accidents and minimise waste are monitored and followed in accordance with requirements and/or established procedures.

2.2

Lifting, climbing, working in confined spaces and aloft, and use of power tools/equipment, techniques and practices are safely followed and, currency according to requirements confirmed.

2.3

Essential knowledge and associated skills are applied in the safe installation of network infrastructure electrical equipment to ensure completion in an agreed timeframe and, to quality standards with a minimum of waste according to requirements.

2.4

Electrical equipment and associated hardware is positioned, secured and terminated/connected in accordance with requirements and established procedures.

2.5

Maintenance, including repair and/or replacement of network infrastructure electrical equipment is carried out, in accordance with the work schedule and requirements/established procedures.

2.6

Hazard warnings and safety signs are recognised and hazards and assessed OHS risks are reported to the immediate authorised persons for directions according to established procedures.

2.7

Unplanned events in the installation of electrical equipment (network infrastructure) are undertaken within the scope of established procedures.

2.8

Known solutions to a variety of problems are applied using acquired essential knowledge and associated skills.

2.9

Ongoing checks of quality of the work are undertaken in accordance with instructions and established procedures.

3

Complete the installation and maintenance of network infrastructure electrical equipment

3.1

Work undertaken is checked/tested against works schedule for conformance with requirements and anomalies reported in accordance with established procedures.

3.2

Accidents and/or injuries are reported in accordance with requirements/established procedures, where applicable.

3.3

Work site is rehabilitated, cleaned up and made safe in accordance with established procedures.

3.4

Tools, equipment and any surplus resources and materials are, where appropriate, cleaned, checked and returned to storage in accordance with established procedures.

3.5

Relevant work permit(s) are signed off and, electrical equipment (network infrastructure) are returned to service in accordance with requirements.

3.6

Works completion records, reports, as installed /modified drawing and/or documentation and information are finalised and processed and appropriate personnel notified.

Required Skills

8) 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 installing electrical equipment (network infrastructure).

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

KS01-TIS46A ESI network infrastructure electrical equipment

Evidence shall show an understanding of the ESI network infrastructure electrical equipment to an extent indicated by the following aspects:

T1 Mathematics techniques encompassing:

Calculations involving fractions, decimals, ratios, proportions

Calculations involving area, volume, mass and density

Calculations involving transposition and substitution of formulae

Calculations involving simple trigonometric problems.

T2 Engineering mechanics encompassing:

Identification of basic concepts, principles and applications - Application of velocity, acceleration, force, density, torque, and pressure

Applications of the SI units

The relationship between work, power and energy

Behaviour of object under force - using a block and tackle under load, concept of mechanical advantage, determination of resultant forces and determining the sag in a catenary conductor and the force applied at each end

Fundamentals of the basic laws of fluid mechanics.

T3 Materials properties encompassing:

Identification and classification of engineering materials material properties

Types and applications - properties of tensile strength, effects of temperature on the expansion of metals, ductibility, malleability, work hardening and annealing and the conditions that lead to corrosion and the properties of timbers.

T4 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 diagrams/plans 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 practice/compliance, enterprise and Commonwealth, State/Territory legislative requirements, weather conditions, erection of safety nets and lines, methods of fixing and anchoring loads, load stability.

T5 Procedure in providing store support encompassing:

Classification and identification of equipment, components and tools

Procedures for purchasing/ordering items, removing/dispatching items, stocktaking, security, bookkeeping/record keeping

Material handling - warehouse/depot storage techniques, handling equipment, pallet lift trucks, forklifts, cable drum handling equipment.

Safety procedures - storage and care of safety equipment, handling hazardous materials, storage of hazardous substances and dangerous goods, depot safety procedures.

Manufacturers and suppliers information including material safety data sheets (MSDS)

T6 Generation systems encompassing:

Methods of generating electricity - types of power stations and reasons for their location, layout of thermal and hydroelectric power stations

Relationship between power control and load requirements - operating speeds for thermal and hydroelectric generating sets, typical generator voltage levels and output ratings

The purpose and features of typical types of co-generation systems.

T7 Transmission, distribution and rail systems encompassing:

Relationship between the transmission, distribution and rail/tram system within an overall power system - different organisations responsible for generation, transmission, distribution and rail/tram and, how they correlate and their functions

Characteristics of a transmission, a distribution and a rail system - principal components, typical voltage levels and methods of transmission and distribution including grid type transmission systems, radial, parallel and ring main feeders

Relationship between an overhead and underground supply systems within an overall power system - advantages/disadvantages, applications and the basic steps for planning and installing an overhead and underground distribution system

Single line drawings and layouts - drawings and layouts of transmission and distribution systems including, radial, parallel and ring main feeders and the HV equipment associated with substations

T8 Substations, power transformers and reactors encompassing:

Relationship between the substations within an overall power system - purpose, location in relation to load centres, layout of HV equipment within the substation and auxiliary equipment

Characteristics of a power transformer - basic construction of distribution transformers, operation under load/no load conditions, types and basic operation of tap changing switches including solid state types, efficiency and cooling

Auxiliary equipment used on transformers - function and basic operation of equipment

Maintenance of a power transformer - basic connections, restrictions to parallel operation, problems and remedies associated with harmonics, testing and fault finding procedures

Description, purpose and characteristics of a reactors

T9 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 diagrams/plans 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

T10 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 “on-site” earthing device to de-energised low and high voltage overhead circuit

T11 Installation of poles and or structures and hardware encompassing:

Standards, codes, legislation, supply authority regulations and or enterprise requirements applicable to installing poles and associated hardware

Requirements for the use of enterprise construction manuals, system diagrams/plans and drawings

Characteristics and applications of different types of poles and associated hardware

Techniques for installing poles and associated hardware - types of installation equipment/tools, excavation methods, types of footings/foundations, types of attachments, earthing systems, clearances between conductors, safe methods of erecting and stabling poles and or structures and cross arms

Techniques for maintenance of poles and associated hardware - stabilisation techniques for unstable poles, methods of strengthen poles, maintenance and replacement of high voltage insulators and cross arms.

T12 Installation of low voltage electrical services encompassing:

Standards, codes, legislation, supply authority regulations and or enterprise requirements

Requirements for the use of enterprise construction manuals, system diagrams/plans and drawings types of low voltage overhead services, methods of construction and installation, minimum clearances for overhead services to assets and structures, types of installation equipment/tools

Characteristics and applications of different types of cables - cable cross-sectional area of conductors, current rating and fuse type

Techniques for maintenance of service installations - diagnosis and repair of faults

Jointing and terminating methods - polymeric heat shrink materials, polymeric tape materials, energised and de-energised cables, connections to fuse boxes and pole top boxes

Testing and commissioning procedures – inspection, polarity, voltage and phase sequence tests

Construction types and structures for distribution and sub transmission lines

Types, sizes and characteristics 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

T13 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 worker’s 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 worker’s 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 two-way 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 demonstration/rehearsals 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.

Evidence Required

9) 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

9.1)

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 Industry’s 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 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 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

9.2)

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 – UET12”. 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 learner’s 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 tools/equipment/materials/procedures/workplaces/other variables

Group No

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

Item List

A

Install and maintain any three of the following:

Fuse switches

Dropout fuses

Sectionalisers

Disconnectors

Links

Fuses

Surge arrestors

B

Install and maintain any one of the following:

Reclosers

Motorised switches

Gas filled switches

Ring main units

Line fault indicators

Oil filled switches

Air break switches

C

Install and maintain any one of the following:

Transformers

Reactors

Regulators

Capacitors

Relays

Line fault indicators

D

With regards to the above incorporate any three of the following:

Voltage detectors

Phasing equipment

Clip-on ammeters

Insulation resistance testers

Recording meters

Earth resistance tester

E

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

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 installation and maintenance of network infrastructure electrical equipment

In addition to the resources listed above, in Context of and specific resources for assessment, evidence should show demonstrated competency working below ground, in limited spaces, with different structural/construction types and method and in a variety of environments.

Method of assessment

9.4)

This Competency Standard Unit shall be assessed by methods given in Volume 1, Part 3 “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 learning/assessment 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

9.5)

There are no concurrent assessment recommendations for this unit.


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 installation, termination/connection and maintenance of overhead electrical equipment relevant to the transmission, distribution and rail networks, and includes pre-commissioning.

Maintenance may include the removal, repair and replacement of electrical equipment encompassing “like for like” and associated hardware as well as the termination and/or connection of this equipment according to requirements and may include sampling of insulating oils. It also encompasses the identification of faults; the pre-commissioning tests involving the equipment/system and the interpretation of these tests against agreed specifications. It excludes the energisation of the equipment maintained in a highly complex, interdependent and interconnected electricity supply Network system, where the affects of unintended consequences on the system are high risk and appropriate personnel effect energisation.

Electrical equipment and associated hardware may include relevant transmission or distribution linework/network; switchgear (e.g. reclosers, sectionalisers, drop-out fuses, disconnectors, isolators, air break switches, gas filled switches, links, fuses, fuse switches and circuit breakers); transformers (e.g. padmount, pole-mounted and mobile); reactors; fault indicators; regulators; street lighting control points; capacitors; cables; underground/overhead cable terminations; relays (simple); mobile generators and surge arrestors; support brackets and the like.

It does not include the energisation of equipment in a highly complex, interdependent and interconnected electricity supply Network system, where the affects of unintended consequences on the system are high risk and appropriate personnel effect energisation.

Test and recording equipment includes voltage detectors, phasing equipment, tong ammeters, voltmeters, recording meters and insulation resistance testers used for the purposes as intended and according to requirements, and does not include use of such in energising installed equipment in a highly complex, interdependent and interconnected electricity supply Network system, where the affects of unintended consequences on the system are high risk.

Equipment may include Pump, filter press, hoses, pipes, soil kits, sample bottles, storage vessels etc.

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 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


Sectors

Not applicable.


Employability Skills

5)

The required outcomes described in this unit of competency contain applicable facets of Employability Skills. The Employability Skills Summary of the qualification in which this unit of competency is packaged will assist in identifying Employability Skill requirements.


Licensing Information

License to practice

3)

The skills and knowledge described in this unit requires a licence/registration to practice in the work place subject to regulations for undertaking of electrical work. Practice in workplace and during training is also subject to regulations directly related to Occupational Health and Safety, electricity/telecommunications/gas/water industry safety and compliance, industrial relations, environmental protection, anti discrimination and training. Commonwealth, State/Territory or Local Government legislation and regulations may exist that limits the age of operating certain equipment.