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Elements and Performance Criteria

  1. Set up mould and accessories
  2. Prepare equipment for the mix
  3. Cast concrete into moulds
  4. Rectify routine problems
  5. Control hazards

Required Skills

Required skills

Required skills include

recognising conditions which will lead to out of specification product and taking appropriate action

implementing the enterprises procedures within time constraints and in a manner relevant to the correct use of the equipment and placement of reinforcing

conveying information relevant to the operation clearly and effectively

maintaining appropriate levels of quality assurance

reading and numeracy to interpret workplace documents and technical information

Required knowledge

Required knowledge includes

causes of mould wear

results of using worn moulds

problems resulting from mould leakage

importance of vibration on compaction

required concrete cover of reinforcing

hazards from prestressed reinforcement

underlying causes of faults such as precipitated by

mould anomalies

castingoperating conditions

concrete mix variations

vibration

Evidence Required

The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Overview of assessment

The unit will be assessed in as holistic a manner as is practical and may be integrated with the assessment of other relevant units of competency

Critical aspects for assessment and evidence required to demonstrate competency in this unit

It is essential that the equipment be understood and that the importance of critical mould properties and dimensions is known Competence must be demonstrated in the ability to recognise and analyse potential situations requiring action and then in implementing appropriate corrective action

Consistent performance should be demonstrated In particular look to see that

moulds are withdrawn for repair as required

moulds drawn from the mould store are in good order

stocks of spares are kept at appropriate levels

correct moulds are available for required jobs

product is cast with correct amount and grade of concrete

product is vibrated to give a consistent product without air holes

products are made consistently in minimum time and with minimum patching

finishing is within specifications

good OHS practice is used consistently

Competence must be demonstrated in the operation of all ancillary equipment to the level required for this unit of competency

Context of and specific resources for assessment

Assessment will require access to an operating plant over an extended period of time or a suitable method of gathering evidence of operating ability over a range of situations

Assessment will occur over a range of situations which will include disruptions to normal smooth operation

Simulation or case studiesscenarios may be required to allow for timely assessment of parts of this unit of competency Simulation should be based on the actual plant and will include walkthroughs of the relevant competency components A bank of scenarioscase studieswhat ifs and questions will be required to probe the reasoning behind observable actions

Method of assessment

Individual enterprises may choose to add prerequisites and corequisites relevant to their processes

Guidance information for assessment

Assessment processes and techniques must be culturally appropriate and appropriate to the language and literacy capacity of the candidate and the work being performed


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Procedures

All operations are performed in accordance with standard procedures and work instructions

Accessories

Accessories may include:

pipes/tubing

hooks

cones

Typical problems

Typical problems may include:

interpretation of drawings and matching reinforcement and moulds to drawing

slippage, breaking of tensioned strands

compacting product and tight bends/clearances

wear and tear on mould parts

loose or missing bolts

bolt holes

stretched rubber

moulds coming apart

Occupational health and safety (OHS)

All operations are subject to stringent OHS requirements and these must not be compromised at any time. Where there is an apparent conflict between performance criteria and OHS requirements, the OHS requirements take precedence