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Elements and Performance Criteria

1. Prepare for work
   • Identify work requirements
   • Identify and control hazards
   • Coordinate with appropriate personnel
2. Prepare the pipeline system for pigging (launching/ receiving)
   • Liaise with the relevant people to ensure correct flow conditions are in the pipeline system prior to launching
   • Verify that all required permits have been issued
   • Prepare specified pig in accordance with requirements
   • Prepare pipeline for pigging operation in accordance procedures
3. Launch, monitor progress and/or receive pig
   • Prepare launching and/or receiving scraper barrels and intermediate site for launching/receiving operations
   • Load and launch/receive pig in accordance with procedures
   • Calculate pig travel speed during the pig's progress
   • Monitor and track progress of the pig in the pipeline system
   • Identify potential pigging problems
   • Take actions specified in procedures in response to results from monitoring
4. Interpret pigging data
   • Inspect the pig to determine wear and/or other information
   • Interpret pigging data from inspection, measurement and/or sample of the waste material gathered during pigging operations in accordance with procedures
   • Take action specified in procedures
   • Dispose of waste materials to procedures
   • Record data accurately to assist with assessment of pipeline condition

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.
Regulatory framework	The latest version of all legislation, regulations, industry codes of practice and Australian/international standards, or the version specified by the local regulatory authority, must be used, and include one or more of the following: legislative requirements, including work health and safety (WHS) industry codes of practice and guidelines environmental regulations and guidelines Australian and other standards licence and certification requirements All operations to which this unit applies are subject to stringent health, safety and environment (HSE) requirements, which may be imposed through state/territory or federal legislation, and these must not be compromised at any time. Where there is an apparent conflict between performance criteria and HSE requirements, the HSE requirements take precedence.
Hazards	Hazards include one or more of the following: gases and liquids under pressure velocity of pig structural hazards structural collapse equipment failures industrial (machinery, equipment and product) equipment or product mass plant services (steam, condensate and cooling water) working at heights, in restricted or confined spaces, or in environments subjected to heat, noise, dusts or vapours flammability and explosivity hazardous products and materials unauthorised personnel sharp edges, protrusions or obstructions slippery surfaces, spills or leaks extreme weather other hazards that might arise
Routine problems	Routine problems are predictable problems with known solutions and include one or more of the following: closure seal failure resulting in hydrocarbon release and possible explosion closure fastening mechanism fails and results in door striking technician stuck pig delayed pig scraper enclosure leaks leaking valves damaged pig
Non-routine problems	Non-routine problems are unexpected problems, or variations of previous problems and must be resolved by applying operational knowledge to develop new solutions, either individually or in collaboration with relevant experts, to: determine problems needing action determine possible fault causes develop solutions to problems which do not have a known solution follow through items initiated until final resolution has occurred report problems outside area of responsibility to designated person Operational knowledge includes one or more of the following: procedures training technical information, such as journals and engineering specifications remembered experience relevant knowledge obtained from appropriate people
Procedures	All operations must be performed in accordance with relevant procedures. Procedures are written, verbal, visual, computer-based or in some other form, include one or more of the following: emergency procedures work instructions standard operating procedures (SOPs) safe work method statements (SWMS) formulas/recipes batch sheets temporary instructions any similar instructions provided for the smooth running of the plant
Product	Product includes anything produced by a process step and so includes: intermediate products, such as the product from one process step, which then becomes the feed for another

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria, and include the ability to:

operate and monitor system and maximise performance

undertake preparations to ensure safety and other requirements are met

identify early warning signs of equipment/processes needing attention or with potential problems

identify hazards and risks and apply risk control procedures.

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Knowledge Evidence

Evidence must be provided that demonstrates knowledge of:

all items on a schematic of the pigging system and functions of each

systems’ operating parameters and integrity limits

reasons for pipeline pigging and the type of pig used for each application

prevention/mitigation measures for closure risks

the nature/condition of materials/flows entering and leaving the scraper barrels during the launching and receiving operations

correct valve sequences

expected system pressures for launching/receiving operations

principles of pigging

hierarchy of control

hazards that may arise in the job/work environment, and:

their possible causes

potential consequences

appropriate risk controls.

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