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Elements and Performance Criteria

1. Undertake site assessments and collect specimens
   • Determine location of above-and-below-ground services
   • Undertake a site-specific risk assessment by identifying work health and safety hazards and assessing risk
   • Perform site assessment to identify conditions which may impact upon the health of trees on site
   • Recognise stress inducing factors in accordance with characteristics of species
   • Recognise a wide range of common diseases, pests and nutritional deficiencies in trees
   • Recognise abiotic issues affecting health of trees
   • Collect specimens of stressed material for testing
   • Record and report results of site assessment and tests
   • Research health characteristics of tree species
2. Prepare treatment program
   • Access and read treatment program and confirm activities with management
   • Select appropriate treatment methods
   • Select, prepare, and carry out pre-operational and safety checks, on tools, equipment and machinery
   • Select and use personal protective equipment
   • Identify environmental implications of undertaking treatment program, assess likely outcomes and take appropriate action
   • Determine annual maintenance requirements for trees
   • Contribute to preparing a comprehensive full-year maintenance program
   • Record and implement work health, safety, site, environmental and traffic control measures
3. Undertake treatment program
   • Prepare and use treatment equipment
   • Apply physical or chemical treatments with due regard for environmental implications
   • Maintain growing environment in accordance with species needs
   • Monitor and review maintenance program over the course of a season of one year
4. Complete treatment program activities
   • Dispose of infected plant material and chemical waste appropriately
   • Sterilise equipment
   • Clean and store personal protective equipment
   • Follow up physical or chemical treatments to ensure effectiveness
   • Determine timetables for follow up treatments and communicate them to work team
   • Maintain records and document the report for that year

Range Statement

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Performance Evidence

The candidate must be observed applying physical and chemical treatments to a range of trees in accordance with a full one-year treatment program. The candidate must be assessed on their ability to integrate and apply the performance requirements of this unit in a workplace setting. Performance must be demonstrated consistently over time and in a suitable range of contexts.

The candidate must provide evidence for and demonstrate:

determining location of above-and-below-ground services

undertaking a site-specific risk assessment by identifying work health and safety hazards and assessing risk

performing a site assessment to identify conditions which may impact upon the health of trees on site

recognising stress inducing factors in accordance with characteristics of species

recognising a wide range of common diseases, pests and nutritional deficiencies in trees

assessing abiotic issues affecting health of trees, or impact on growth

researching species characteristics on tree health

collecting specimens of stressed material

recording and report results of site assessment and tests

accessing and read treatment program and confirm activities with management

selecting, using and maintaining suitable personal protective equipment

selecting appropriate treatment methods and equipment

identifying environmental implications of undertaking treatment program,

assessing likely outcomes of treatment programs and taking appropriate action

determining annual maintenance requirements for trees

contributing to preparation of a comprehensive full-year maintenance program

recording and implementing work health, safety, site, environmental and traffic control measures

preparing and using equipment

applying physical or chemical treatments with due regard for environmental implications

maintaining growing environment in accordance with species needs

monitoring and reviewing maintenance program over season of one year

disposing of infected plant material and chemical waste appropriately

sterilising equipment

following up physical or chemical treatments to ensure effectiveness

determining timetables for follow up treatments and communicating to work team

maintaining records and documenting a report for that year

use of appropriate treatment methods and equipment

communicating within the work team

complying with relevant Australian Standards

use of industry standard terminology to describe arboriculture and work environment

applying work health and safety requirements in the context of own work.

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Knowledge Evidence

The candidate must demonstrate knowledge of:

site-specific risk assessment methods

treatments and treatment methods commonly used on trees

comprehensive full-year maintenance programs

recognition of a wide range of common diseases, pests and nutritional deficiencies in trees

the abiotic issues that could affect the health of tree species

methods of recording, storing and processing data

how to interpret a treatment program

the appropriate personal protective equipment

methods of collecting and storing specimens for identification

methods of testing collected specimens of stressed material

worksite traffic control

stress inducing factors for a variety of tree species

methods for treating tree pests and diseases

methods of analysing nutritional status of trees

health characteristics of tree species.

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