Unit of competency Outline

Date retreived
22/07/2026 3:42 PM AWST

Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.

Pipeline pigging in gas transmission pipeline

Pipeline pigging in gas transmission pipeline

Unit of competency
National Code
UEGNSG306B
State Code
S8173
TGA Status
Replaced
DTWD Status
Replaced
Current Release Number
1.00
Current Release Date
19/01/2012
State Implementation and Classification
Approved Date
29/05/2013
Field of Education
040327 - Plumbing
Original Release Date
29/05/2013
Nominal Hours
36
Description
1) Scope:1.1) DescriptorThis Competency Standard Unit covers the assembly launch and recovery of PIGs in a gas transmission pipelines to correct and determine internal condition on pipeline. It also encompasses liaising with authorities; the analysis and interpretation of the data captured through the pigging process; using various types of PIGs; testing and inspecting; use of manufacturer’s and legislative requirements.
Notes
Elements and Performance Criteria
1 Prepare and plan for pigging and gas transmission pipeline
  • 1.1 Transmission pipeline pigging operation is prepared and confirmed as per the work schedule(s), including drawings, plans, requirements and established procedures
  • 1.2 Relevant requirements and established procedures for the work are communicated to all persons and identified for all work sites
  • 1.3 OHS, environmental and sustainable energy policies and procedures related to the launch and recovery of gas transmission pipeline PIG are identified and confirmed for the purposes of the work 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 Risk control measures for identified hazards are prioritised, implemented and monitored against the work schedule
  • 1.6 Relevant work permits are obtained to access and perform work according to requirements and established procedures
  • 1.7 Resources including persons, equipment, tools and personal protective equipment required for the job are identified, scheduled and obtained and confirmed in working order
  • 1.8 Relevant persons at worksite are confirmed to be current in First Aid and other related work procedures according to requirements
  • 1.9 Liaison and communication issues with authorised persons, authorities, clients and land owners are resolved and activities coordinated to carry out work
  • 1.10 Site PIG, and pipeline 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 Persons 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 Launch, and recover transmission pipeline PIG
  • 2.1 OHS policies and procedures and safe work practices are followed to eliminate or minimise incidents and hazards
  • 2.2 Lifting, climbing, working in confined spaces, excavations, trenches, or aloft, and use of power tools, techniques and practices are safely followed and currency according to requirements confirmed
  • 2.3 Essential Knowledge and Associated Skills is applied to the launch and recovery of a gas transmission pipeline PIG to ensure completion in an agreed timeframe and to quality standards with a minimum of waste according to requirements
  • 2.4 Performing the launch and recovery of gas transmission pipeline PIG is carried out in accordance with the work schedule and to established procedures
  • 2.5 Hazard warnings and safety signs are recognised and hazards are assessed and OHS risks are reported to the immediate authorised persons for directions according to established procedures
  • 2.6 Data/results from transmission pipeline pigging operations is gathered/retrieved and analysed to determine internal pipeline conditions in accordance with requirements and established procedures
  • 2.7 Tests and inspecting of the pipeline and pigging equipment is conducted in accordance with requirements and established procedures
  • 2.8 Unplanned events in the launch and recovery of a gas transmission pipeline PIG are undertaken with the scope of established procedures
  • 2.9 Known solutions to a variety of problems are applied using Essential Knowledge and Associated Skills
  • 2.10 Ongoing checks of quality of the work are undertaken in accordance with given instructions and established procedures
3 Re-establish transmission pipeline to operational conditions and notify of completion of work
  • 3.1 Inspection of the received PIG is undertaken to determine the wear sustained to the PIG material is checked against works schedule for conformance with requirements, anomalies are reported in accordance with established procedures
  • 3.2 Accidents and injuries are reported in accordance with requirements and established procedures where applicable
  • 3.3 Waste materials are safely disposed of and the work site is rehabilitated, cleaned up and made safe in accordance with given instructions and 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 equipment is returned to service in accordance with requirements
  • 3.6 Data is accurately recorded and work completion records, reports as modified drawings and documentation and information are finalised and processed and appropriate persons notified
RANGE STATEMENT
10) This relates to the competency standard unit 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 launching and recovering PIGs in gas transmission pipelines.
The following constants and variables included in the element/Performance Criteria in this unit are fully described in the Definitions Section of this volume and form an integral part of the Range Statement of this unit:
Equipment (3)

EVIDENCE GUIDE
9) The Evidence Guide forms an integral part of this Competency Standard Unit and shall be used in conjunction with all components 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 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 — UEG11’. Evidence shall also comprise:

A representative body of work performance 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

Apply sustainable energy principles and practices as specified in the Performance Criteria and range

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

Demonstrate an appropriate level of employability skills

Conduct work observing the relevant anti-discrimination legislation, regulations, polices and workplace procedures

Demonstrate performance across a representative range of contexts from the prescribed items below.



Range of tools/equipment/procedures/workplace


Group No
The minimum number of items on which skill is to be demonstrated
Item List


A
All
Interpret technical drawings and symbols
Emergency response procedures in place
Communication with other authorities and stakeholders
Communicate schedules/coordinate to persons
Carry out job safety analysis
Obtain work permit
Use and interpret dial before you dig report
Relevant knowledge of AS 2865


B
At least 3
Excavation
Trenching
Shoring
Stitch bore
Horizontal drilling
Directional drilling


C
At least 2
Steel pipeline coating repair
Steel pipeline coating testing (Jeeper)
Steel, field joint coating


D
All
Isolate, vent and purge gas pipeline systems
Operation of gas detector
Operate service locator
Where relevant, calculate nitrogen volume needed


E
`All
Prepare pig trap for launch
Prepare trap for receiving
Determine volume of water needed
Install disc pig
Carry out pigging operation
Install foam pig
Carry out pigging operation
Pressure test pipeline


F
At least one occasion
Deal 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 contains Employability Skills

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 work as prescribed by this Competency Standard Unit.

Appropriate environmental regulation and work practices.

Appropriate organisational requirements.

Appropriate work environment, equipment and tools.

In addition to the resources listed above in, Context of and specific resources for assessment, evidence should show demonstrated competency of Pipeline pigging in gas transmission pipeline.

Assessment of this competency must also be undertaken in either an actual workplace or under a simulated work environment. Assessment must also integrate the employability skills.

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 recommended concurrent assessments with this unit, however in some cases efficiencies may be gained in terms of learning and assessment effort being concurrently managed with allied Competency Standard Units where listed.

UEGNSG302B
Maintain pipeline easements

UEGNSG329A
Gas transmission pipeline surveillance

UEGNSG308B
Identify, evaluate and control threats to transmission pipelines

UEGNSG309B
First on site emergency response on transmission pipeline

UEGNSG310B
Supervise and monitor contract work

UEGNSG311B
Site control of third party works in the vicinity of a transmission pipeline



Replaced By
State Code National Code Title Type
WJ037 UEGNSG346A Launch and recover PIGs in gas transmission pipelines Unit of competency
State Code National Code Title Type
D733 UEG30211 Certificate III in Gas Supply Industry Operations Qualification