Elements and Performance Criteria
- Determine tree survey program requirements
- Scope of survey is identified in line with client needs and statutory requirements.
- All current data research relevant to survey requirements is identified, sourced and recorded.
- Processes for data capture are documented.
- Methods of recording assessment data are prepared.
- Equipment for tree assessment is checked and prepared for use.
- Inspect and assess trees
- Trees are assessed to determine their identification, location, health, growth habit, structure and stability.
- Consideration is given to the tree's age, condition, habitats, wind loading, distribution of foliage, wound size and potential impacts of proposed recommendations.
- Tree locations are identified from a plan according to the size and extent of the project and according to common industry practice.
- Testing equipment is used, where required, to determine age, decay, disease and scope of tree problems.
- Individual trees are assessed and, where required, their value calculated and recorded.
- Observed indications of disease are diagnosed and results recorded.
- Assess risk of harm
- Trees are assessed to determine their identification of defects.
- Trees are assessed to determine their risk potential and suitable controls are recommended to the client or organisation.
- Hazardous trees are assessed to determine their risk of harm.
- Risk controls are documented and recommended to the client or organisation.
- Compile a tree assessment report
- Diagnosis of any tree problem relevant to the scope of survey is documented.
- Specific recommendations of remedial action for tree problems are provided and recorded.
- Identification of hazardous trees, recommendations for appropriate remedial actions and appropriate risk controls are recommended and documented, and applied.
- Tree assessment report incorporates all relevant data from the survey in line with client needs.
- Survey and assessment data are stored and maintained as part of professional practice.
- Client is informed and advised of the content and implications of the report and a copy is presented.