PMAOPS346 — Operate and troubleshoot liquefaction process

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What an assessment for PMAOPS346 must cover

54 assessable components: 4 elements (25 performance criteria), 1 performance evidence and 23 knowledge evidence requirements, plus 5 foundation skills. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Operate liquefaction process in according to procedures

1.1Receive and give shift handover
1.2Communicate with personnel to identify and coordinate work requirements
1.3Identify, control and report process system hazards
1.4Check for recent work undertaken on liquefaction process system and address outstanding and incomplete work
1.5Check operational status of process system
1.6Perform routine checks and complete logs and paperwork, taking action on unexpected readings
1.7Adjust liquefaction process system according to operational parameters

2 Identify and respond to abnormal situations

2.1Monitor liquefaction process system frequently and critically throughout shift using own senses, and measured and indicated data
2.2Monitor field data and instrumentation to ensure that product remains on specification
2.3Identify impacts of changes upstream and downstream
2.4Identify actual and developing situations that may require action
2.5Take action to remedy abnormal situations according to operating procedures
2.6Complete required documents outlining abnormal situation management and corrective action taken

3 Shutdown and prepare liquefaction process for maintenance

3.1Shut down liquefaction process system according to operating procedures
3.2Identify, control and report shutdown hazards
3.3Monitor shutdown and identify situations that may require action
3.4Take action to remedy situations according to operating procedures
3.5Shut down and changeover duty and standby equipment according to operating procedures
3.6Isolate plant and utilities from energy sources

4 Prepare and start-up liquefaction process

4.1De-isolate and prepare liquefaction process system to be returned to standby or service
4.2Complete pre-start checks according to operating procedures
4.3Startup liquefaction process system according to operating procedures
4.4Identify, control and report startup hazards
4.5Monitor startup and identify situations that may require action
4.6Take action to remedy situations according to operating procedures

Performance evidence

at least 2 times, each in a separate work context.

Knowledge evidence

all items on liquefaction system schematics including:
liquefaction process system item types, functions and troubleshooting techniques
principles of liquefaction system operation to meet company requirements
operating parameters and integrity limits, and product specifications and tolerances including temperature, pressure, flow and pH
procedures for starting, stopping, operating, controlling and isolating the system
emergency shutdown procedures
process control philosophies and strategies
interactions between plant items and processes
basic physics and chemistry to the level of being able to provide an overview of the science of the liquefaction process
liquefaction system abnormal situations and required action, including but not limited to:
variation or loss of feed
unstable control of pressure, temperature level and flows
control equipment failure
process plant trips
change in atmospheric conditions (including rain, temperature, wind and lightning, still conditions)
poor quality indicated in test results
analyser inaccuracy or malfunction
hierarchy of controls
liquefaction process hazards:
possible causes
potential consequences
appropriate risk control
reporting and escalation procedures.

Foundation skills

Learning skills: to follow instructions, monitor process and select appropriate procedure.
Reading skills: to follow written procedures and documentation.
Writing skills: to complete workplace documentation.
Oral communication skills: to liaise and coordinate with team members and the control-room operator.
Numeracy skills: to monitor field data, instrumentation and process parameters.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing PMAOPS346

What does an assessment tool for PMAOPS346 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for PMAOPS346 needs to address all 54 unit components: 4 elements with 25 performance criteria, 1 performance evidence requirements, 23 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for PMAOPS346?

Auditori pulls the current release of PMAOPS346 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for PMAOPS346 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing PMAOPS346 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of PMAOPS346, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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