Elements and Performance Criteria
- Determine evaluation requirements
- Confirm trees to be evaluated in accordance with client brief
- Undertake a site-specific risk assessment by identifying work health and safety hazards and assessing risk
- Determine targets that need to be considered
- Determine tree hazard benchmarks appropriate for project
- Record and implement work health, safety, site, environmental and traffic control measures
- Examine visual tree indicators
- Inspect tree from ground
- Determine tree health
- Examine tree anatomy and morphology for past failures
- Examine tree for outwardly apparent defects
- Examine tree for visual indicators of concealed defects
- Examine tree for visual indicators of disease leading to structural failure
- Examine tree for visual indicators of organisms causing damage leading to structural failure
- Determine if failure is likely to result in target being impacted
- Undertake basic testing
- Record tree attribute and indicators
- Photograph and record tree species and site of tree
- Record the health and approximate dimensions of the tree
- Record and photograph the defects and visual indicators
- Describe, illustrate and indicate on image or device, the approximate location on the tree
- Record approximate dimensions of affected tree part and defect
- Record results of evaluation
- Mitigate risk and document actions
- Document and report hazards and recommendations