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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

  1. Prepare for tree jacking
  2. Assess and plan tree jacking
  3. Tree jack trees
  4. Complete operator maintenance

Performance Evidence

A person demonstrating competency in this unit must satisfy all of the elements, performance criteria and foundation skills of this unit. If a specific volume or frequency is not stated below, then evidence must be provided that the following requirements have been performed on at least one occasion:

follow organisational policies and procedures relevant to tree jacking

apply tree jacking techniques in line with the work order and within prescribed organisational tolerances

conduct operator maintenance on a chainsaw.


Knowledge Evidence

A person competent in this unit must be able to demonstrate knowledge of:

key features of these varying environmental conditions and effects on tree felling:

general forest lean

ground growth

ground hazards and obstacles

ground slope

gullies

presence and density of seed and habitat trees

water courses

wet and adverse weather conditions

wind speed and direction

environmental protection practices including:

safe disposal of waste material

cleaning of plant, tools and equipment

typical tree defects and how these affect tree jacking and felling:

stability

insect defects

knots

resin pockets

shakes

techniques used in the tree jacking process:

tree jacking

chainsaw cutting sequences and techniques used to control direction of fall

clearing trees that hang up

communication methods used for tree jacking activities:

verbal

hand signals

eye contact with other operators

use of electronic communication devices

typical industry chain of command for communication of information and instruction

types of tree jacking tools and equipment; their purpose, features, operation and basic non-specialist repair and maintenance:

tree jacks

chainsaws

maintenance tools and equipment

personal protection equipment

organisational procedures specific to tree jacking activities:

workplace health and safety with particular emphasis on pre-start up checks and equipment lock out for safe use of chainsaws

use and maintenance of equipment

communication reporting line during tree jacking process

recording and reporting tree jacking process and equipment faults.