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Elements and Performance Criteria

  1. Prepare the melting equipment
  2. Test furnace back-up equipment
  3. Melt raw materials
  4. Monitor and interpret data and adjust operation
  5. Rectify problems
  6. Control hazards

Required Skills

Required skills

Required skills include

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

implementing the enterprises standard procedures and work instructions and relevant regulatory requirements within appropriate time constraints and in a manner relevant to the operation of the melting equipment

reading and numeracy to interpret workplace documents and technical information

Required knowledge

Required knowledge includes

composition and nature of the glass

startup and shutdown processes

construction and limitations of the melting equipment and conditions

combustion fundamentals

out of specification situations

physics and chemistry where appropriate of process

principles of operation of process

control philosophy of process

distinguish between causes of faults such as

raw material

mechanical

electricalinstrument

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 melting equipment be understood and that the importance of critical material properties settings and readings 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

importance of critical material properties settings and readings is identified

process and equipment are operated in accordance with work instructions and process parameters

temperatures are maintained within limits

melt quality is monitored to minimise wastage

start up and shut down occur first time

change in utilities gaspowerdiesel is responded to immediately

signals and alarms are responded to immediately

process measurements and tests are continually made observed and interpreted

melt quality is maintained to customer specifications

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

In all plants it may be appropriate to assess this unit concurrently with relevant teamwork and communication units

It may be appropriate to assess this unit concurrently with

MSAPMSUPA Sample and test materials and product

MSAPMSUP292A Sample and test materials and product.

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

Melting equipment

This unit includes melting equipment applicable to each of the specific areas of glass products manufacture. These may include:

flat glass

insulation, glass wool insulation, laminated blankets, roll and boards

fibreglass and glass filaments

packaging, bottles and jars

Tools and equipment

Tools and equipment may include:

furnaces and associated equipment

gas stations

computers

measuring and recording equipment

communication equipment

hand tools

safety clothing and equipment

Process and products

Process and products include:

melting, refining and conditioning of raw material, including frit and other recycled glass materials, to produce glass for forming processes

It does NOT include processes involved with:

scientific glass

secondary processes

the softening of already made glass

Plant data

Plant data includes:

test results

instrument/control panel information

data from physical senses (sight, sound and hearing)

temperatures, pressures, material flow and discharge rates and effects

variations to chemical reactions/material modifications

Typical problems

Typical problems may include:

raw materials feed

alternative fuel sources

analysis of all plant data including test results, control instrument data and other observations

control of furnace temperature within specifications

surveillance of melt quality

taking corrective action

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.