Modification History
Not Applicable
Unit Descriptor
Unit descriptor |
This unit covers the application of a range of treatments to trees and defines the standard required to: recognise a range of common causes and sources of stress to trees; prepare and properly maintain tools and equipment for treating common causes of stress to trees; apply common treatments to trees in a safe manner. |
Application of the Unit
Application of the unit |
This unit applies to a range of treatments conducted on trees to remedy common problems including alleviating tree stress. |
Licensing/Regulatory Information
Not Applicable
Pre-Requisites
Prerequisite units |
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Employability Skills Information
Employability skills |
This unit contains employability skills. |
Elements and Performance Criteria Pre-Content
Not Applicable
Elements and Performance Criteria
ELEMENT |
PERFORMANCE CRITERIA |
1. Prepare to apply tree treatments |
1.1. Trees requiring treatments are located and the treatment determined according to work procedures. 1.2. Occupational Health and Safety (OHS) hazards are identified, risks assessed and reported to the supervisor. 1.3. Tools and equipment appropriate to the task being undertaken are prepared and used according to supervisor's instructions and enterprise guidelines. 1.4. Personal Protective Equipment (PPE) is selected and used according to enterprise OHS requirements. |
2. Modify trees to alleviate stress |
2.1. All dead, fractured, poorly attached, dying and diseased wood is removed at the designated position according to Compartmentalisation of Decay in Trees (CODIT) principles. 2.2. Competing branches are removed to allow adequate space for the natural form of the tree. 2.3. Growth patterns are re-directed to avoid physical and structural damage to the tree. 2.4. Removed plant material is disposed of according to enterprise guidelines and with due regard for environmental implications. |
3. Modify environment to maintain health and vigour of tree |
3.1. Competing plants are removed to ensure adequate space; light, water and nutrient requirements of the tree are maintained. 3.2. Nutrient additives are applied to the soil at rates and designated location according to supervisor's instructions. 3.3. Soil structure is ameliorated according to supervisor's instructions. |
4. Apply treatment |
4.1. Application equipment is checked for volume calibration, adjusted and operated according to manufacturer's instructions and enterprise guidelines. 4.2. Treatments are applied following manufacturer's instructions, enterprise guidelines and in accordance with OHS requirements and with due regard for environmental implications. 4.3. Tools and equipment are cleaned or sterilised to avoid disease transfer according to Enterprise's Standard Operating Procedures (SOPs). |
Required Skills and Knowledge
REQUIRED SKILLS AND KNOWLEDGE |
This section describes the skills and knowledge required for this unit. |
Required skills |
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Required knowledge |
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Evidence Guide
EVIDENCE GUIDE |
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The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package. |
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Overview of assessment |
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Critical aspects for assessment and evidence required to demonstrate competency in this unit |
The evidence required to demonstrate competency in this unit must be relevant to workplace operations and satisfy holistically all of the requirements of the performance criteria and required skills and knowledge and include achievement of the following:
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Context of and specific resources for assessment |
Competency requires the application of work practices under work conditions. Selection and use of resources for some worksites may differ due to the regional or enterprise circumstances. |
Range Statement
RANGE STATEMENT |
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The range statement relates to the unit of competency as a whole. |
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Trees may include: |
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Treatments may include: |
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Unit Sector(s)
Unit sector |
Arboriculture |
Co-requisite units
Co-requisite units |
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Competency field
Competency field |