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Elements and Performance Criteria

1. Identify PE pipe materials suitable for specific non-pressure drainage applications
   • Identify materials as PE grades from national standards, job specifications and work site instructions
   • Determine PE materials properties from national standards and material data sheets
   • Identify job needs from worksite instructions and specifications
2. Identify applications for alternative jointing technologies
   • Identify properties and limitations of mechanical jointing systems
   • Identify properties and limitations of thermal fusion jointing systems
   • Identify properties and limitations of chemical bonding jointing systems
   • Perform trial jointing for mechanical jointing and thermal fusion methods, identify non-conformance, report and rectify
   • Assess quality against specification requirements
3. Determine requirements for working with PE non-pressure drainage pipeline components
   • Identify requirements for handling and transport of PE drainage materials
   • Determine requirements for long term storage
   • Determine requirements for installation, including additional materials
4. Perform connection and repair of non-pressure PE pipelines
   • Determine alternative material connection requirements
   • Identify possible alternative material connection methods to meet specified requirements
   • Perform connections to meet requirements
   • Determine repair requirements
   • Identify alternative repair options
   • Repair installation to meet requirements
5. Assess quality of completed installation
   • Test installation
   • Identify alternative test procedures to meet requirements
   • Assess quality of completed installation
   • Refer problems outside area of responsibility to appropriate person
   • Solve problems within area of responsibility
   • 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 5065:2005/Amdt 1:2010 Polyethylene and polypropylene pipes and fittings for drainage and sewerage applications AS/NZS 2566.2:2002 Buried flexible pipelines – Installation, or its replacement AS/NZS 2033:2008 Installation of polyethylene pipe systems, or its replacement AS/NZS 4401:2008 Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings - Polyethylene (PE), or its replacement 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 for installers include one or more of: mechanical thermal chemical bond.
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.
Tools and equipment	Tools and equipment include one or more of: jointing equipment service connection and repair equipment jigs and fixtures calculators hand tools used in this process hoists/lifting equipment not requiring any special permits or licences manual handling aids such as hand carts and trolleys relevant safety equipment relevant personal protective equipment (PPE).
Measurement devices	Measurement devices include one or more of: pressure gauges timers callipers temperature probes computer-based monitors
Hazards	Hazards must be identified and controlled. Identifying hazards requires consideration of: pipe material handling heavy stationary and moving machinery cutting and heating equipment hazardous products and materials sharp edges, swarf, scrap protrusions or obstructions slippery surfaces, spills or leaks rotational equipment or vibration smoke, dust, vapours or other atmospheric hazards high temperatures electricity gas gases and liquids under pressure structural hazards equipment failures machinery, equipment and product mass other hazards that might arise.
Problems include one or more of:	Problems include one or more of: variable PE materials, pipes and components as supplied equipment malfunction or wear and tear variable field site conditions limitations in available data on specific job requirements variations in quality emergency situations intermittent faults.

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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 materials as polyethylene (PE) grades

identify alternative jointing methods appropriate to the materials

select and perform mechanical and chemical jointing methods to meet specifications

perform trial jointing

monitor key variables, including:

alignment

materials and conditions for joint

integrity of joint

general conformance to specification

determine service connection requirements and make connections

determine repair requirements and make repairs

assess quality of completed installation

make adjustments to remedy faults and non-conformity

determine appropriate methods of handling, storage and transport of PE plastics components

identify hazards and apply relevant hazard controls

apply safety procedures

apply housekeeping procedures

apply waste management procedures

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

distinguish between causes of problems, including:

operational problems

materials properties

process variables

procedural errors

recognise and prioritise problems requiring action

resolve routine and non-routine problems

communicate effectively with team/work group and supervisors

complete workplace records

do basic calculations including additions, subtractions, divisions, fractions, percentages.

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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

types of materials and components being used

range of methods relevant to types of materials/components for:

mechanical jointing

chemical bonding

service connections

repairs

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

storage, handling, and transport procedures for PE equipment

quality requirements and tests

routine and non-routine problems that may arise, the range of possible causes and appropriate actions

organisation procedures relevant to the work environment/job role

hierarchy of control

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

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