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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 - UEE07 '. 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 statement

Apply sustainable energy principles and practices as specified in the performance criteria and range statement

Demonstrate an understanding of the essential knowledge and associated skills as described in this unit to such an extent that the learners 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 skills enabling employment

Conduct work observing the relevant Anti Discrimination legislation regulations polices and workplace procedures

Demonstrated consistent performance across a representative range of contexts from the prescribed items below

Operating an industrial refrigeration plant using ammonia as the refrigerant determining plant operating conditions rectifying faults and defective components within organisational guidelines and completing the necessary service documentation

A Starting up Ammonia refrigerant plant

BSelecting and using appropriate measuring devices correctly

C Recording measurements

D Using calculation methods accurately

E Identifying the conditions of the refrigerant R at various locations in the vapour compression and liquid recirculation system

F Taking remedial action within organisational procedures and job role

G Documenting operating conditions correctly

H Conducting servicing procedures according to the schedule including the inspection of all lagging insulation pipe and duct mountings

I Shutting down Ammonia refrigerant plant

J Dealing with unplanned events by drawing on essential knowledge and skills to provide appropriate solutions incorporated in the holistic assessment with the above listed items

Context of and specific resources for assessment

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 unit

These should be part of the formal learningassessment environment

Note

Where simulation is considered a suitable strategy for assessment conditions must be authentic and as far as possible reproduce and replicate the workplace and be consistent with the approved industry simulation policy

Evidence should show demonstrated competency in operating and servicing ammonia refrigeration plant in a safe manner following organisational procedures

Method of assessment

This unit shall be assessed by methods given in Volume Part Assessment Guidelines

Note Competent performance with inherent safe working practices is expected in the Industry to which this unit applies This requires assessment in a structured environment which is intended primarily for learningassessment and incorporates all necessary equipment and facilities for learners to develop and demonstrate the essential knowledge and skills described in this unit

Note:
Competent performance with inherent safe working practices is expected in the Industry to which this unit applies. This requires assessment in a structured environment which is intended primarily for learning/assessment and incorporates all necessary equipment and facilities for learners to develop and demonstrate the essential knowledge and skills described in this unit.

Concurrent assessment and relationship with other units

For optimisation of training and assessment effort competency development in this unit may be arranged concurrently with unit

UEENEEJA Apply safety awareness and legal requirements for ammonia refrigerant

UEENEEJ178A Apply safety awareness and legal requirements for ammonia refrigerant

Range Statement

8) This relates to the 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 unit must be demonstrated in relation to Ammonia refrigeration systems and include starting up, determining operating conditions using measurement and basic calculation methods, basic repairs and shutting down the system. These conditions include suction, inter-stage and discharge pressures, ambient, evaporator, inter-stage and condensing temperatures, evaporator, and condenser temperature difference.

Generic terms used throughout this Vocational Standard shall be regarded as part of the Range Statement in which competency is demonstrated. The definition of these and other terms that apply are given in Volume 2, Part 2.1.

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UEENEEJ196A - Operate Ammonia Refrigeration Plant

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Elements and Performance Criteria

Required Skills

Evidence Required

Range Statement