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Elements and Performance Criteria

1. Determine mix requirements
   • Identify job requirements
   • Select the correct type and quantity of materials as required
   • Meet special requirements and specifications
   • Identify any material handling problems and take the appropriate action
   • Update material records as required
2. Batch mix raw materials
   • Set up and operate batching and/or mixing equipment to specifications and procedures
   • Batch materials as required by specifications and procedures
   • Check that materials prepared match requirements
   • Use ancillary equipment as required according to procedures
   • Discharge batched concrete into delivery trucks/mixers
3. Monitor batch mixing process
   • Check and adjust settings as required
   • Make routine checks and recognise developing problems
   • Recognise equipment in need of maintenance/repair
   • Take samples and interpret test results as required
   • Ensure the production process and product complies with the appropriate quality procedures
   • Complete all required records
4. Maintain batch mixing plant and area
   • Keep the area and equipment clean and in good order
   • Shut down equipment as required
   • Complete maintenance checklists as required
   • Respond to routine faults according to procedures
   • Report non-routine faults according to procedures
5. Rectify routine problems
   • Identify the range of faults that can occur during the operation
   • Determine and rectify fault causes in accordance with procedures
   • Identify and rectify equipment failure causes in accordance with procedures
   • Ensure appropriate records and log books of equipment operations are maintained to meet procedures
   • Identify non-routine problems and report to designated person
6. Control hazards
   • Identify hazards from the job to be done
   • Identify other hazards in the work area
   • Assess the risks arising from those hazards
   • Implement measures to control those risks in line with procedures

Required Skills

Required skills

Required skills include recognising conditions which will lead to out of specification product implementing the organisations procedures and relevant regulatory requirementswithin time constraints and in a manner relevant to the operation of the equipment conveying information relevant to the operation clearly and effectively supervising delivery drivers as required by procedures numeracy andliteracy to interpret workplace documents and technical information

Required knowledge

Required knowledge includes understanding of the equipment sufficient to operate it recognise potential problems and to take appropriate action organisations procedures and relevant regulatory requirements such as principles of operation of batching and mixing equipment principles of batching and mixing these products impact of variations in raw materials on the final product impact of mixing on final product organisations production andor delivery schedules causes of faults such as those precipitated by raw material inaccuracies equipment failures mixing timetechnique variations

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	Competence must be demonstrated in the ability to recognise situations requiring action and then in implementing appropriate corrective action Consistent performance should be demonstrated In particular look to see that batches are produced on time and in specification upstream and downstream communication is timely and effective problems are anticipated and appropriate action is taken ie problem fixed or reported 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 Simulations may also include the use of case studies and scenarios A bank of scenarioscase studieswhat ifs will be required as will a bank of questions which will be used to probe the reasoning behind the observable actions
Method of assessment	This unit may be assessed in conjunction with PMCB Organise self PMC561080B Organise self MSAPMSUPA Work in a team MSAPMSUP106A Work in a team. Individual enterprises may choose to add prerequisites and corequisites relevant to their processes In remote operations this person may also need scheduling and other material ordering and handling competencies
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

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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
Job requirements	Job requirements may be determined from: work schedule job specification job card batch card computerised system other
Sampling and testing	Sampling and testing may be required for: moisture content particle size other
Variations	Variations may include: nature and type of plant configuration nature and type of material or product to be batched/mixed conditions under which the product is to be employed including weather conditions
Typical problems	Typical problems include: equipment malfunction raw material specifications mixing tolerance uniform dispersion of minor ingredients/additives mixing to colour/other special requirements matching mixes produced with production requirements adjusting mix formula to compensate for variations in raw materials (e.g. sand moisture content)
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

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