This unit involves the skills and knowledge required to commission, decommission and re-commission gas distribution pipelines in accordance with relevant legislation, standards, regulations, codes of practice and workplace procedures.

It includes using relevant tools and equipment, testing pipelines for safety and conformance, communicating with appropriate authorities and completing relevant documentation.

No licensing, legislative or certification requirements apply to this unit at the time of publication.

ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes.

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

1

Prepare to commission/decommission gas distribution pipelines

1.1

Work health and safety (WHS)/occupational health and safety (OHS) workplace procedures and environmental measures for the site are identified, obtained and applied

1.2

Job requirements and workplace procedures for the work are discussed with relevant person/s to confirm the work schedule

1.3

WHS/OHS, environmental and sustainable energy policies and procedures are obtained and applied in accordance with workplace procedures

1.4

Work is prioritised and sequenced for completion within acceptable timeframes following consultation with relevant person/s in accordance with workplace procedures

1.5

Hazards are identified, WHS/OHS risks are assessed and control measures prioritised, implemented, and monitored in accordance with workplace procedures

1.6

Scope of work and level of responsibility under the relevant work permit and/or notification is confirmed with relevant person/s in accordance with job requirements and workplace procedures

1.7

Person/s, equipment, tools and personal protective equipment (PPE) required for the work are identified, scheduled, obtained and checked for correct operation and safety in accordance with workplace procedures

1.8

Materials, plans, diagrams, drawings and resources required for the work are scheduled and obtained in accordance with workplace procedures

1.9

Safety and emergency procedures and responsibilities for first aid and incidents at the worksite are checked and confirmed with relevant person/s in accordance with workplace procedures

1.10

Third-party issues are referred to relevant person/s in accordance with workplace procedures

1.11

Pipeline is cleaned, pigged, bypassed and check for commissioning/decommissioning readiness in accordance with workplace procedures

1.12

Site preparation, safety plan and work schedule are confirmed with relevant person/s in accordance with workplace procedures

1.13

Person/s participating in the work are briefed and responsibilities confirmed in accordance with job requirements and workplace procedures

1.14

Road signs, barriers and warning devices are positioned in accordance with job requirements and traffic management plan

2

Commission/decommission gas distribution pipelines

2.1

WHS/OHS and environmental risk control measures and workplace procedures for carrying out work are followed

2.2

Materials, tools, equipment and testing and measuring devices required for the work are selected and used correctly and safely in accordance with manufacturer instructions and workplace procedures

2.3

Hazardous activities are conducted safely in accordance with WHS/OHS workplace procedures, job instructions and regulatory requirements

2.4

Pipeline purging/flaring is undertaken in accordance with job requirements, industry standards and workplace procedures

2.5

Commissioning/decommissioning of gas distribution pipelines is performed to industry standards without waste of materials or damage to apparatus, circuits, and the surrounding environment or services using sustainable energy principles

2.6

Gas is tested for compliance with pressure, concentration and odourant level requirements in accordance with industry standards and workplace procedures

2.7

WHS/OHS risks are assessed and incidents reported to authorised person/s for directions in accordance with workplace procedures

2.8

Unplanned events and non-routine problems are referred to authorised person/s for directions in accordance with workplace procedures

2.9

Relevant reports and quality and safety checks of the work are conducted in accordance with job requirements and workplace procedures

3

Complete work and relevant documentation

3.1

WHS/OHS and environmental risk control measures and procedures for completing the work are followed

3.2

Testing is conducted using relevant tools/equipment and work checked against work schedule for conformance with job requirements and anomalies reported in accordance with workplace procedures

3.3

Accidents and injuries are reported in accordance with requirements and workplace procedures

3.4

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

3.5

Tools, equipment and any surplus resources and materials are cleaned, checked and securely stored in accordance with workplace procedures

3.6

Relevant work permit/s are signed off and equipment returned to service in accordance with workplace procedures, job and regulatory requirements

3.7

Appropriate person/s are notified of work completion in accordance with workplace procedures

3.8

Final inspections are undertaken and work completion documentation is finalised, processed and provided to appropriate person/s in accordance with workplace procedures

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 UEG Gas Industry Training Package Companion Volume Implementation Guide.

commissioning/decommissioning gas distribution pipelines must include:

carrying out job safety analysis (JSA)

commissioning and recommissioning workplace procedures

isolating venting and purging gas pipeline systems

obtaining the required work permit/authorisation

purging and venting calculations

testing for correct pressure, concentration and odourant level

using gas detectors

isolation methods must include at least two (2) of the following:

bagtube

high pressure stop off

hot tap and stopple

squash off jacks/pliers

Gas Industry

Gas Distribution