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Elements and Performance Criteria

1. Identify plastic pipe materials as being suitable for specific high temperature pressure applications
   • Identify suitable plastic materials from national standards, job specifications and work site instructions
   • Determine plastics material properties from national standards and material data sheets
   • Identify job needs from work site instructions and specifications
2. Determine appropriate products from national standards
   • Identify material options from national standards, supplier data sheets, and government codes and regulations
   • Identify performance limitations of material options
   • Identify pipe and component options from national standards, supplier data sheets, and government codes and regulations
   • Identify performance limitations pipe and component options
   • Identify suitable jointing methods for pipes and fittings
   • Identify operational conditions
3. Determine pipeline requirements
   • Identify length of pipe required
   • Identify fittings and number of fittings required
   • Select pipe and components considering specific job needs and product properties
   • Identify required jointing equipment or materials
   • Prepare field operational sheets
4. Determine appropriate testing and commissioning procedures
   • Determine specific installation test requirements
   • Identify alternative test procedures to meet requirements
   • Maintain quality records

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. Applicable legislation, regulations, standards and codes of practice include: health, safety and environmental (HSE) legislation, regulations and codes of practice relevant to the workplace, manual handling and hazardous materials Australian/international standards relevant to the materials being used and products being made, including one or more of: AS/NZS 2642.2:2008 Polybutylene (PB) plumbing pipe systems - Polybutylene (PB) pipe for hot and cold water applications or its replacement AS/NZS 2642.3:2008 Polybutylene (PB) plumbing pipe systems - Mechanical jointing fittings for use with polybutylene (PB) pipes for hot and cold water applications or its replacement AS/NZS 2492:2007 Cross-linked polyethylene (PE-X) pipes for pressure applications or its replacement AS 4176.1-2010 Multilayer pipes for pressure applications - Multilayer piping systems for hot and cold water plumbing applications – General other relevant parts of AS 4176 and their replacements any relevant licence and certification requirements. All operations to which this unit applies are subject to stringent 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 such requirements the legislative requirements take precedence.
Joining methods	Joining methods include one or more of: mechanical chemical bond thermal fusion.
Installation	Installation can be one or more of: above ground below ground.
Procedures	All operations must be performed in accordance with relevant procedures. Procedures are written, verbal, visual, computer-based or in some other form, and include one or any combination of: 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.
Problems	Problems include one or more of: limitations on the available PE materials, pipes and components variable field site conditions limitations in available data on specific job requirements emergency situations.

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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 demonstrate the ability to:

read and interpret procedures, national standards, job specifications, material labels and safety data sheets (SDS)

identify suitable plastics materials for specific high temperature high pressure applications

identify alternative jointing methods appropriate to the materials

determine material requirements

determine plastic high temperature pressure pipeline components

prepare field operational sheets describing requirements and layout of plastic high temperature pressure pipelines

determine testing and commissioning requirements.

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Knowledge Evidence

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

safe working requirements

plastics materials and high temperature pressure pipeline components as described in national standards, sufficient to recognise suitability for specific application and to establish work instructions

information sources on suitable types of plastics materials and components

selection requirements for plastics high temperature pressure pipeline components

factors which may affect product quality or production output and appropriate remedies

installation site variables

organisation procedures relevant to the work environment/job role

commissioning requirements and tests

hazards that may arise in the job/work environment the range of possible causes, potential consequences and appropriate risk controls.

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