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Elements and Performance Criteria

  1. Prepare for the installation and maintenance of overhead conductors and cables used on towers
  2. Carry out installation and maintenance of overhead conductors and cables used on towers
  3. Complete the installation and maintenance of overhead conductors and cables used on towers

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 installing and maintaining overhead conductors and cables towers

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

KSTTPA Powerline transmission installation safety

KS02-TTP29A Powerline transmission installation safety

Evidence shall show an understanding of the safe working practices and procedures for the installation of overhead transmission conductors to an extent indicated by the following aspects

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

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

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

T Safe working practices encompassing

Requirements to enable safe working on conductive poles

Procedure to attach an onsite earthing device to deenergised low and high voltage overhead circuit

Safe working practices when working with associated hardwareequipment and insulators

Precautions of voltages on transmission structures

Dangers when working at heights

Identification of hazards assessing and controlling risks

Types selection maintenance and uses of personnel protective equipment

Permit to work systems and isolation procedures

Safe working practices when using specialised equipment

Emergency response and rescue including First Aid etc

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

At least one of the following

Copper

Aluminium

Steel

Composite

Aluminiumsteel reinforced

Pilot

B

At least two of the following

Elevated work platform

Portable platform

Gondola

Hook ladder

Elevated work box

must do

C

At least five of the following

Winches

Tension equipment

Stringing equipment

Cable trailers

Crimping equipment

Preformed splices

Hardware

Cable drum stands

Ropes

Rollers sheaves

Comealongs

Swivels

must do

D

At least two of the following

Voltage deenergised indicating device

Field intensity meter

Operating rods

must do

E

At least one of the following

Dynamometer

Site board

Abney level

Sag chart

Theodolite

must do

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 installation and maintenance of overhead conductors and cables on towers

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 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

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 and maintenance of overhead conductor and or cables used on transmission towers

Installation and maintenance may include the stringing, tensioning, terminating, removal, repairing and replacement of the conductors/cables. Visual inspections and the diagnosing of faults is also included.

Structures include towers and columns.

Types of conductor include copper, aluminium, steel and composites. Conductor configurations may be single or bundled and include pilot cables.

Overhead conductors include earthing systems

Plant may include elevating work platform, winches and capstans, specialist tension stringing equipment, cable trailers, cable drum stands and equipotential equipment.

Testing and recording equipment includes, insulation resistance testers, recording meters and other approved devices and techniques applicable to the voltage. .

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

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