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Elements and Performance Criteria

  1. Use operator interface
  2. Access control information
  3. Control process variations and monitor operations
  4. Facilitate planned and unplanned process start-ups and shutdowns
  5. Respond to alarms or out of specification conditions and control hazards
  6. Resolve other problems within scope of responsibility

Range Statement

Specifies 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. Range is restricted to essential operating conditions and any other variables essential to the work environment.

Unit scope includes:

equipment and unit operations which form part of the glass processing control system, such as:

process control systems (e.g. distributed control systems)

use of multiple control systems

personal computers

printers

fire and gas detection/protection systems

emergency shutdown systems

communication systems

Typical problems for glass processing plant include:

operating without advanced control features

loss of power/utilities

analysing failure modes

variation/loss of feed

unstable control of pressure, temperature level and flows

control equipment failure

process plant trips

change in atmospheric conditions (rain, temperature, wind and lightning)

emergency situations

Work health and safety (WHS) requirements include:

Commonwealth, state or territory legislation and regulations

organisational safety policies and procedures

the use of personal protective equipment and clothing

firefighting equipment

first aid equipment

hazard and risk control and elimination of hazardous materials and substances

manual handling, including lifting and carrying

Alarms or abnormal conditions include:

emergencies, including emergency shutdown

partial or complete controller failure

Appropriate action includes:

determining problems needing action

determining possible fault causes

rectifying problem using appropriate solution within area of responsibility

following through items initiated until final resolution has occurred

reporting problems outside area of responsibility to designated person

Procedures include:

work instructions

standard operating procedures

processing data and requirements

batch sheets

temporary instructions

any instructions provided for the smooth running of the plant

verbal, written or computer-based procedures

Organisational requirements include:

legal, organisational and site guidelines, policies and procedures relating to own role and responsibility

quality assurance

procedural manuals

quality and continuous improvement processes and standards

WHS procedures

emergency and evacuation

ethical standards

recording and reporting

access and equity principles and practices

equipment use, maintenance and storage

environmental management (waste disposal, recycling and re-use guidelines)


Performance Evidence

Consistently:

recognise early warning signs of equipment/processes needing attention or with potential problems

determine and analyse the range of possible plant problem causes and the most likely cause

take appropriate action to ensure a timely return to full performance

recognise obvious problems in related plant areas and make an appropriate contribution to their solution

Distinguish between causes of problems/alarms/fault indications, such as:

instrument failure/malfunction

electrical failure/malfunction

mechanical failure/malfunction

equipment design deficiencies

product parameters (temperature, flows, pressure and levels)

process control system malfunction

power/utility failures

software problems

Communicate ideas and information to enable confirmation of work requirements and specifications and the reporting of work outcomes and problems

Avoid backtracking, work flow interruptions or wastage

Work with others and in a team by recognising dependencies and using cooperative approaches to optimise work flow and productivity


Knowledge Evidence

Interactions between control loops

Interactions between plant units within the entire plant

The architecture and location of the glass process/production equipment

Specific glass plant process operations

Interactions between glass plant items/processes

Glass product specifications and tolerances

Systems operating parameters

System integrity limits

Process control philosophies and strategies

Emergency shutdown procedures

Basic science of upstream and downstream glass processes

Impact of external factors (e.g. variations in weather and feed)

Complex process drawings (e.g. piping and instrumentation diagrams (P&ID), probability of failure on demand (PFD) and cause and effect)

Basis of control for glass processing plant/s

Instrumentation and control systems, including feed forward, feedback and open control

Instrumentation and control system components (e.g. relevant primary sensing devices, final control elements, and transducers/transmitters)

Control loops, including P&ID control, set points, controlled variable and indicated variable

Interaction between multiple control loops, including cascade control

Impacts of changing controller settings and the limits within which changes can be made

Effective communication techniques

Organisational procedures