This unit covers the maintenance and repair of oil and gas filled specialised underground cables 33 kV and above. It includes testing, diagnosing faults, repairing and replacing the specialised cables. It also encompasses the processes for preliminary pressure control and leak repair, as well as working under induced voltages, cable identification and cable freezing.

The application of the skills and knowledge described in this unit may require a licence/registration to practice in the workplace subject to regulations for undertaking of electrical work.

Other conditions may apply under state and territory legislative and regulatory licencing requirements which must be confirmed prior to commencing this unit.

ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Prepare/plan to maintain oil and gas filled specialised underground cables

1.1

Work schedules, including drawings, plans, requirements, established procedures and material lists, are obtained and analysed, as necessary, by site inspection and the extent of the preparation of the work determined for planning and coordination

1.2

Work is prioritised and sequenced for the most efficient and effective outcome following consultation with others for completion within acceptable timeframes, to a quality standard and in accordance with established procedures

1.3

Risk control measures are identified, prioritised and evaluated against the work schedule

1.4

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

1.5

Hazards are identified, work health and safety (WHS)/occupational health and safety (OHS) risks assessed and control measures prioritised, implemented and monitored, including emergency exits kept clear, to ensure safe systems of work are followed and according to established procedures

1.6

Relevant work permits are secured to coordinate the performance of work according to requirements and/or established procedures

1.7

Resources, including personnel, equipment, tools and personal protective equipment (PPE), required for the job are identified, scheduled and coordinated and confirmed safe and in technical working order

1.8

Clients/customers are provided with possible solutions and/or options within the scope, acceptable cost and requirements

1.9

Liaison and communication issues with others/authorised personnel, authorities, clients and land owners are resolved and activities coordinated to carry out work

1.10

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

1.11

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

1.12

Positioning of road signs, barriers and warning devices is planned in accordance with requirements

2

Carry out the maintenance of oil and gas filled specialised underground cables

2.1

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

2.2

First aid, rescue and other related work procedures are performed according to requirements and/or established procedures

2.3

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

2.4

Hazard warnings and safety signs are recognised and hazards and assessed WHS/OHS risks are reported to immediate authorised personnel for directions according to established procedures

2.5

Remedial actions are taken to overcome any shortfalls encountered in the work schedule according to requirements and/or established procedures

2.6

Maintenance of oil and gas filled specialised underground cables is carried out in accordance with the work schedule and requirements and/or established procedures

2.7

Essential knowledge and associated skills are applied in the safe maintenance of oil and gas filled specialised underground cables to ensure completion in an agreed timeframe and to quality standards with a minimum of waste according to requirements

2.8

Solutions to non-routine problems are identified and actioned using acquired essential knowledge and associated skills according to requirements

2.9

Ongoing checks of quality of the work are undertaken in accordance with requirements and established procedures to ensure a quality outcome is achieved for the client/customer and to a community/industry standard

3

Complete the maintenance of oil and gas filled specialised underground cables

3.1

Work undertaken is checked against work schedule for conformance with requirements, anomalies reported and solutions identified in accordance with established procedures

3.2

Accidents and/or injuries are reported and followed up in accordance with requirements/established procedures

3.3

Worksite is rehabilitated, cleaned up and confirmed 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 permits are signed off and underground cables are returned to service and advised to client/customer in accordance with requirements

3.6

Works completion records, reports, as installed/modified drawings and/or documentation and information are confirmed, processed and appropriate personnel notified

Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Non-essential conditions may be found in the Companion Volume Implementation Guide.

Not applicable.

Cable Jointing