AHCARB613 — Conduct complex tree hazard and health assessment post-fire

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What an assessment for AHCARB613 must cover

98 assessable components: 4 elements (20 performance criteria), 8 performance evidence and 69 knowledge evidence requirements, plus 1 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 Prepare to undertake assessment of fire damaged or fire affected tree

1.1Determine job requirements from work plan or instruction and, where required, seek clarification from appropriate personnel
1.2Follow environmental and safety procedures, including use of personal protective equipment, hazard and risk control measures for the work tasks
1.3Assess and maintain up to date information on topography and weather conditions in areas where tree assessments are to be conducted
1.4Confirm chain of command and communication protocols that apply in bushfire containment and recovery operations

2 Conduct hazard assessment of fire damaged or fire affected tree

2.1Conduct hazard assessment for route to and areas around tree to determine it is safe to approach
2.2Locate and determine tree species and tree position in relation to site topography and other hazards at site
2.3Visually assess extent of fire damage to crown, trunk and root
2.4Identify structural and physiological defects in tree
2.5Assess external factors that may cause tree or its limbs and branches to fall
2.6Determine risks posed by tree according to industry guidelines and agency approved procedures
2.7Identify tree hazard class according to industry guidelines and agency approved procedures
2.8Determine appropriate risk treatment to mitigate tree hazard according to industry guidelines and agency approved procedures

3 Conduct assessment of health and values of fire damaged or fire affected tree

3.1Determine fire impact on soil and its properties, and subsequent effects of soil on tree root and sap function
3.2Assess solid components of tree and determine whether there is adequate wood present to sustain tree
3.3Assess post-fire survivability of tree based on its species, fire damage and estimated age and dimensions
3.4Assess ecological, cultural and economic values of tree

4 Assess options for treatment of fire damaged or fire affected tree

4.1Determine treatment options for tree taking into account tree hazard, health and values assessment and according to industry guidelines and agency approved procedures
4.2Mark tree for treatment according to industry guidelines and agency approved procedures
4.3Record position of tree using Global Navigation Satellite System (GNSS) or manual mapping
4.4Record and report outcomes of tree assessment including proposed treatment to appropriate personnel

Performance evidence

assessed the hazard, health and value status of five fire damaged or fire affected trees, which include at least two different species
complied with safety requirements, including use of personal protective equipment
conducted a dynamic risk assessment of the route to and areas around the tree
identified risks posed by the tree
assessed post-fire survivability of tree
assessed ecological, cultural and economic value of the tree
determined treatment options for the tree
reported on assessment and treatment options for the tree

Knowledge evidence

safe work procedures as they apply to bushfire containment and recovery operations
tree species and effects of fire on different tree species
workplace hazards and associated risks and controls in bushfire containment, recovery and controlled burning operations, including those associated with fire affected and fire damaged trees
effects of fire on trees including:
first order effects including foliage and bud necrosis, cambium and phloem necrosis, xylem hydraulic impairments, fine root necrosis
second order effects including photosynthesis and carbohydrate supply limitations, water uptake and transport restrictions, biotic attacks
external factors that increase potential tree hazard including:
wind exposure
drought
stress and insect infestation
excessive drainage problems from land management operations
exposure to vibration from heavy plant or machinery
other hazards at the site that increase potential tree hazard including:
gas supplies
water supplies
powerlines (above and below ground)
adjacent buildings
features of adjacent trees
terrain features
characteristics of hazardous trees including:
dead and/or decaying tree and/or major branches
evidence of previous damage, including burn or mechanical processes
suspected loose or broken branches
evidence of longitudinal or torsion fractures
evidence of roots lifting or disturbed root system
significant lean with indicators of failure
cavities and hollows in the main trunk and root buttress area
xylem dysfunction in the trunk and stems impacting on distribution of water and minerals from the roots to leaves
root plate damage
presence of fungi
techniques for assessing fire damage to trees including:
crown damage
trunk damage
root damage
factors influencing fire impact on soil and its properties, including:
fire spread
fire direction
fire intensity
fuel load
fire effects on soil and its properties, including:
increased soil hydrophobicity
increased soil erosion
changes in properties such as pH, organic carbon and microbial community
techniques for testing soil properties, including pH, organic carbon and microbial community
techniques for assessing post fire survivability and tree health, including:
fire impact on soil
signs and symptoms of disease
methods of detecting decay and structural defects in trees
use of basic diagnostic tools
testing equipment to detect decay, disease and scope of tree problems
factors affecting the likelihood of tree failure
use of diagnostic tools including Sonic Tomography and Resistance Drills
assessment of the xylem in the trunk and stems to ensure distribution of water and minerals from the roots to leaves
assessment of feeder and structural roots to determine health and structure
factors affecting tree damage and mortality including:
heat including temperature and duration
tree morphology including size, bark thickness, branch and bud size, root system
site characteristics
interval between successive fires
techniques for identifying culturally significant trees, including Aboriginal scarred trees, and procedures for managing culturally significant trees, including who to contact if a culturally significant tree is identified
tree valuation methods including techniques for identifying ecological and economic value of fire damaged or fire affected trees and procedures for managing such trees, including who to contact if ecologically and economically valuable trees are identified
industry guidelines and agency approved policies and procedures for tree hazard management in bushfire recovery regarding:
tree hazard marking and mapping symbols
tree hazard classes - clear and present danger tree (CPD), potential clear and present danger trees (potential CPD)
tree hazard treatment - no action required, removal, pruning and trimming, habitat pruning, conservation and follow up assessment, salvage
techniques for recording position of trees using Global Navigation Satellite System (GNSS)
techniques for use of Global Information Systems (GIS) and maps to produce survey plans
methods, timeframes and costs of determining options for mitigating levels of risks associated with fire damaged and fire affected trees
reporting procedures associated with tree hazard, health and valuation assessment

Foundation skills

Reading: Interpret complex workplace documentation on post-bushfire survival indicators for different tree species

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 AHCARB613

What does an assessment tool for AHCARB613 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for AHCARB613 needs to address all 98 unit components: 4 elements with 20 performance criteria, 8 performance evidence requirements, 69 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 AHCARB613?

Auditori pulls the current release of AHCARB613 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?

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Can I check my existing AHCARB613 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 AHCARB613, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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