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Elements and Performance Criteria

1. Determine theoretical performance
   • Identify item of plant and plant component to be analysed
   • Locate and interpret design specification
   • Identify process materials being processed/to be processed during verification trial
   • Determine process material properties under process conditions
   • Calculate theoretical performance of component with that material under those conditions
2. Conduct trial
   • Design verification trial to be compatible with theoretical analysis
   • Determine measurements needed from trial to yield required data
   • Select equipment suitable to give required measurements
   • Arrange for verification trial with relevant process personnel
   • Set up required measurement equipment
   • Supervise trial and ensure trial conditions are appropriate
   • Collect trial data for analysis
3. Verify performance of component
   • Compare theoretical with actual performance
   • Determine significance of variation between theoretical and actual performance
   • Investigate any suspicious results and take appropriate action
4. Recommend required action
   • Determine appropriate action to bring performance to desired level
   • Initiate the corrective action to procedures
   • Determine measures to increase equipment productivity
   • Re-check performance after corrective action is implemented

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, hazardous materials and product specifications Australian/international standards relevant to the materials being used and products being made 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.
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: test procedures technical specifications technical drawings 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: measuring equipment (e.g. micrometers, tapes, verniers and scales) hand tools data analysis tools (e.g. computer programs for data recording and presentation).
Hazards	Hazards must be identified and controlled. Identifying hazards requires consideration of: hazardous products and materials rotational equipment or vibration sharp edges, protrusions or obstructions slippery surfaces, spills or leaks smoke, dust or other atmospheric hazards moving machinery high temperatures other hazards that might arise.

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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 test results, technical information, equipment specifications and instruments/control panels

calculate the theoretical performance of the screw or die from design specifications

design and supervise verification trial and gather data to determine the actual performance of the screw or die

calculate actual versus theoretical performance

determine significant variations and investigate suspicious results

determine the 'limiting component' in the performance of an item of equipment or a process

determine possible performance of an item of equipment/process if practical improvements were made to the 'limiting item'

make recommendations as to the appropriate action to be taken based on the performance verification results

record trial results and complete workplace records

calculate and interpret statistics, product formulae and process conditions.

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Knowledge Evidence

Must provide evidence that demonstrates knowledge relevant to their job sufficient to fulfil their job role, including knowledge of:

characteristics and manufacturing behaviours of polymers involved in the process

polymer materials, their additives and the rheological, heat and other effects of processing to the design of equipment and components to predict practical performance results

types of data and techniques for calculation of theoretical and actual performance

organisation procedures relevant to the work environment/job role

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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