PUAFIR606Apply principles of combustion and fire dynamics to fire scene investigation

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What an assessment for PUAFIR606 must cover

50 assessable components: 2 elements (17 performance criteria), 11 performance evidence and 22 knowledge evidence requirements. 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 Apply principles of fire chemistry in fire behaviour when reporting on fire behaviour

  • 1.1States of matter, changes and impact on combustion are explained in relationship to fire scene investigation when reporting on fire behaviour
  • 1.2Chemical reactions, basic chemical structures, bonds and energy are defined in relationship to fire scene investigation when reporting on fire behaviour
  • 1.3Process of chemical reaction and oxidisation is explained in relationship to fire scene investigation when reporting on fire behaviour
  • 1.4Organic and inorganic compounds are distinguished in relationship to fire scene investigation when reporting on fire behaviour
  • 1.5Hydrocarbons and how they are constructed are explained in relationship to fire scene investigation when reporting on fire behaviour
  • 1.6Pyrolysis is defined in relationship to fire scene investigation when reporting on fire behaviour
  • 1.7Chemistry of combustion in solids, liquids and gases is explained in relationship to fire scene investigation when reporting on fire behaviour
  • 1.8Vapour density and its impact on fire spread is assessed in relationship to fire scene investigation when reporting on fire behaviour
  • 1.9Different fuel types are identified, and fuel loads are assessed in relationship to fire scene investigation when reporting on fire behaviour
  • 1.10Difference between exothermic and endothermic reactions is explained in relationship to fire scene investigation when reporting on fire behaviour

2 Apply knowledge of fire physics and impact on fire behaviour

  • 2.1Evidence of presence of heat is identified and explained by applying theory of heat release and methods of heat transfer
  • 2.2Stages of fire development in structures are identified and outlined in relationship to fire scene investigation when reporting on fire behaviour
  • 2.3Stages of fire development in a compartment are identified and detailed in relationship to fire scene investigation when reporting on fire behaviour
  • 2.4Concepts of flashover and backdraught, and their signs and symptoms are outlined in relationship to fire scene investigation when reporting on fire behaviour
  • 2.5Effect of fuel load on fire behaviour is explained in relationship to fire scene investigation when reporting on fire behaviour
  • 2.6Deflagration and detonation are outlined in relationship to fire scene investigation when reporting on fire behaviour
  • 2.7Types of ignition are outlined in relationship to fire scene investigation when reporting on fire behaviour

Performance evidence

  • applying Work Health and Safety (WHS)/Occupational Health and Safety (OHS) organisational requirements including risk mitigation
  • assessing fuel type and load at investigation scene
  • demonstrating knowledge of fire physics and impact on fire behaviour
  • evaluating impact of vapour density on fire spread
  • identifying and assessing ignition sources
  • identifying unrelated fire science evidence including finger prints, forced entry, signs of burglary and tool marks
  • implementing legislation, codes of practice and industry standards to fire investigation
  • undertaking risk analysis of fire scenes including consideration of electrical hazards, hazardous materials, physical hazards and environmental hazards
  • using physical principles to fire investigation including compartment fire behaviour and wildfire behaviour and fire spread at an investigation scene
  • validating fire investigation conclusions using scientific principles
  • working with principles of fire chemistry when investigating fire behaviour including methodology to determine fire cause and theory related to principles of fire chemistry and physics to develop hypothesis based on fire scene evidence

Knowledge evidence

  • chemistry and properties of flammable and combustible liquids, solids and gases
  • chemistry of combustion including combustion products of common fuels
  • chemistry of pyrolysis
  • Classes of fire and fuel types including Class A solid carbonaceous materials, Class B flammable liquids, Class C flammable gases, Class D combustible metals such as sodium, potassium, calcium, magnesium, aluminium dust, zinc dust, titanium dust, Class E fires involving energised electrical equipment and Class F fires involving cooking oil and fat
  • combustion and fire dynamics at fire scene investigations including deflagration and detonation including dust and vapour explosion, mechanical explosion and solid explosion, effect of oxygen concentration, combustion products of different fuels and fire extinguishment theory and methods
  • compartment fire development and spread including ignition, growth, flashover, fully developed, backdraught and decay
  • fire extinguishment theory
  • flammable vapours
  • ignition temperatures including flashpoint, fire point, auto-ignition temperature or flame point and explosive limits
  • interrelationship between fuel size, quantity, arrangements, moisture content, weather and topography on wildfire development and behaviour
  • mathematical formulae to assist with the determination of cause and origin
  • methods of heat transfer including radiant, convection, conduction and direct flame contact
  • non-piloted autoignition
  • products of different fuels
  • spontaneous combustion including drying oils, chemicals, vegetable matter and friction
  • states of matter including solids, liquids and gases
  • theory of heat release including heat flux, heat release rate and temperature
  • toxicity of combustion gases
  • types of combustion including incipient, smouldering and flaming
  • types of ignition including chemical or reaction, friction or mechanical, flame or heat, self-ignition and spark, arc or electrical
  • vapour density
  • Work, Health and Safety (WHS)/Occupational Health and Safety (OHS) organisational requirements including safe work practices

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 PUAFIR606

What does an assessment tool for PUAFIR606 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for PUAFIR606 needs to address all 50 unit components: 2 elements with 17 performance criteria, 11 performance evidence requirements, 22 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 PUAFIR606?

Auditori pulls the current release of PUAFIR606 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 PUAFIR606 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing PUAFIR606 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 PUAFIR606, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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