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Elements and Performance Criteria

  1. Prepare/Plan to maintain oil and gas filled specialised underground cables
  2. Carry out the maintenance of oil and gas filled specialised underground cables
  3. Complete the maintenance of oil and gas filled specialised underground cables

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 maintaining oil and gas filled specialised underground cables

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

KSTCJA Oil and gas filled specialised underground cables maintenance

KS01-TCJ30A Oil and gas filled specialised underground cables maintenance

Evidence shall show an understanding of maintenance of oil and gas filled specialised underground cables to an extent indicated by the following aspects

T Legislation Standards codes legislation supply authority regulations and or enterprise requirements pertaining to the maintenance of oil or gas filled specialised underground cables

T Safety precautions of working with oil or gas filled specialised underground cables encompassing

Safe operation procedures

Occupational Health and Safety hazards and precautions

Dangers of working in confined spaces

Identification of OHS hazards assessing and controlling risks

Types selection maintenance storage and uses of personnel protective equipment including intrinsically safe equipment for use in confined and hazardous environments

PermitAuthorisation to work systems and isolation procedures

Safe working policies procedures and practices when usingoperating specialised equipment

Emergency response and rescue including First Aid etc

T Safe storage and disposal of oil or gas filled specialised underground cables and associated equipment and components Types function and serviceability of tools and equipment used for the maintenance of oil or gas filled specialised underground cables Techniques in the safe maintenance of oil or gas filled specialised underground cables

T Techniques in the safe testinginspection of the oil or gas filled specialised underground cables to ensure successful maintenance has occurred

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

Oil filled cables

Gas filled cables

B

At least two of the following

Straight through joint

Straight stop joint

Trifurcating joint

Splitter joint

Trifurcatingtransitionstop joint

C

At least one of the following

Air box terminator

Gas filled terminator

Compound filled terminator

D

At least two of the following

Welded connectors

Mechanical connectors

Compression connectors

E

All of the following

Voltage detectors

Cable identification equipment and spiking

Insulation resistance testers

F

All of the following

Leak repair and pressure control cable freezing equipment

Application of pressure control tapes

Fittings and seals

G

All of the following

Oil filled cables

Gas filled cables

H

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 oil and gas filled specialised underground cables

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

NoteCompetent 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

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

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

UETTDRCJA

UETTDRCJ31A

Install and maintain polymeric specialised underground cables


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 maintenance and repair of oil and gas filled specialised underground cables and may include the following:

Cable type includes: Pressurised oil filled and gas filled cables 33 kV and above.

Testing and recording equipment may include voltage detectors, cable identification equipment, insulation resistance testers.

Jointing and terminating materials: compound and resin filled boxes, paper tape/roll materials, polymeric tape materials, heat shrink materials, “slip on” moulded components, molten solders and gas/oil piping and fittings. compression, mechanical, solder lugs and ferrules and welded connections.

This unit also encompasses the preparation for cable freezing and preliminary pressure control and leak repair activities.

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