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Elements and Performance Criteria

1. Prepare for HAZOP study
   • Explain the purpose of the HAZOP study
   • Review the key steps in undertaking the HAZOP study
   • Review the HAZOP tools to be used
2. Participate in a HAZOP study
   • Identify the purpose and operation of the new/modified equipment/process
   • Determine the normal operating conditions, method of operation and associated equipment and componentry of proposed change
   • Review relevant information to assist in the identification of possible problems
   • Process available information to identify potential hazards or operability issues
   • Identify potential hazards or operability issues and possible consequences utilising key words
   • Assess the risks arising from identified potential hazards or operability issues
   • Identify items needing further action
   • Review relevant operating and safety procedures
   • Recommend possible solutions to minimise risk of proposed change
3. Complete delegated actions within scope of responsibility
   • Perform delegated actions within area of responsibility
   • Follow initiated items through until final resolution has occurred
   • Identify problems needing further action
   • Determine possible fault causes within area of responsibility
   • Report outcomes to designated person

Range Statement

This field allows for 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.
Hazards	Hazards identified are situations/conditions which may lead to an incident or make operation difficult and will arise from consideration of key words.
Sources of information	Sources of information include, as appropriate to the proposed change: provisional layouts safety data sheets (SDS) process drawings (e.g. P&IDs, process flow diagrams (PFDs), and cause and effect) plant model equipment arrangement drawings provisional operating instructions/procedures plant operating procedures logic diagrams equipment reference manuals hazardous area layouts start-up and shutdown emergency procedures access to plant and equipment
Delegated action	Delegated actions arising from HAZOP study include one or more of the following: review of plant operating procedures undertaking additional tasks from action list HAZOP report attendance at HAZOP review meetings recording results from additional tasks

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria, and include the ability to:

analyse schematics and other sources of information to identify actual and/or potential hazards and recognise conditions that might lead to operability issues

utilise key words in the identification of potential hazards or operability issues

identify possible consequences and asses risks from identified potential hazards and operability issues

recommend possible solutions

complete actions delegated from the HAZOP

communicate effectively with multi-disciplinary stakeholders.

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Knowledge Evidence

Evidence must be provided that demonstrates knowledge of:

the architecture and location of the process/production equipment

specific plant process operations

interactions between plant items/processes

product specifications and tolerances

systems operating parameters

system integrity limits

process control philosophies and strategies

emergency shutdown procedures

science (e.g. physics, chemistry and biochemistry) relevant to process and materials

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

process drawings (e.g. piping and instrumentation diagrams (P&IDs), process flow diagrams (PFDs), and cause and effect)

basis of control for the plant/s

instrumentation and control systems, components and loops as they relate to the modification under review

impacts of changing process/production equipment settings and the limits within which changes can be made

organisation procedures

work health and safety (WHS), hazardous substances and environmental requirements

enterprise standard operating procedures, plant processes and equipment for area under review

duty of care obligations

hierarchy of control.

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