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Elements and Performance Criteria

1. Prepare to stack timber.
   • Review work order to identify timber stack site plan.
   • Identify and follow safe work procedure for building and maintaining timber stacks.
   • Conduct a risk assessment in line with site requirements to address hazards and faults and to ensure safety of self, others and proposed timber stack, taking avoidable loss into account.
   • Follow traffic management plan.
   • Use safety gear and equipment in line with work health and safety (WHS) and site requirements.
   • Communicate with others as required, to ensure safety requirements are met, in line with site procedures.
   • Identify personal limitations related to building a timber stack and seek assistance as required, in line with site procedures.
2. Build timber stack.
   • Inspect timber to ensure it meets labelled or expected content and report non-compliant material to supervisor, in line with site and safety requirements.
   • Choose appropriate bearers to create required space for powered mobile plant to lift the stack.
   • Build the stack, check bearers and restrain timber in line with site requirements.
   • Manage maximum height of stack to suit environment and weather conditions, in line with industry safety standards and site requirements.
   • Identify problems and faults and report to supervisor in line with site procedures.
3. Maintain timber stack.
   • Perform routine checks as stack is built and during life of stack, and report defects to appropriate personnel in line with site requirements.
   • Repair timber stack as required, in line with site procedures and scope of own job role.
   • Store, reuse, recycle or dispose of waste material in line with site procedures and environmental requirements.
   • Complete and maintain workplace records and documentation according to site requirements.

Range Statement

Not Applicable

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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:

stack timber and maintain timber stacks in line with safe work procedure, site standards and organisational requirements

follow organisational policies and procedures relevant to building and maintaining a timber stack

use safety gear and equipment required to build and maintain a timber stack, in line with site requirements

communicate and work safely with others in the workplace

identify and control hazards and risks associated with building a timber stack, in line with workplace requirements

safely build timber stacks appropriate to the needs of the workplace

record and report required timber stack and fault information in line with site requirements

safely repair faults in a timber stack.

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Knowledge Evidence

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

work health and safety requirements, site standards and organisational policies and procedures for building and maintaining timber stacks

procedures for conducting a risk assessment which includes:

level and stability of individual packs

type of bearers

width, length and height of stack

weight of packs and stacks

duration of storage

type and strength of timber

type of lifting equipment

ground condition and stability in terms of slope, evenness, contamination and drainage

air-drying structure

unexpected obstacles

slippery or uneven surfaces

pedestrians on or near the timber stack

visibility

powered mobile machinery equipment faults or damage

ground strength to withstand the load of stacks and machinery

location of walkways, pathways and stores

top surface of ground

location of stack:

inside

outside under cover

in the open

monitoring and inspection procedures

storage area organisation

injury due to lifting, bending or crushing

machinery and equipment requirements

weather conditions.

procedures for identifying hazards and risks associated with building and maintaining timber stacks as outlined in the range statement

the use and importance of bearers including these needs:

be straight and not have knots

be identical in length in cross-section

not protrude from the stack

not be shorter than the stack

be laid flat

be in good condition

be able to withstand the environment

be checked for consistent thickness and shape

be correctly positioned

criteria for site surface stability and building a stack

factors contributing to avoidable loss including:

inadequate stack support

packs that are not level

exposing the stack to adverse drying conditions

inadequate stack conditions (poor drainage, stacks close to ground)

inappropriate site layout

inadequate stack protection

pack damage

unstable stacking

timber stacked too high

key components of a traffic management plan including:

ensure pedestrians are separated from powered mobile plants

allow safe entry and exit of mobile equipment and pedestrians

identify the most efficient route of travel

facilitate traffic flows

reduce the frequency of interaction with powered mobile plant

substitute a forklift with other suitable load shifting equipment

methods to visually estimate length of bearers and ratio, grading, colour identification and tagging of stacked timber

lengths, dimensions, tolerances, profiles and names of industry standard cross-sections

communication strategies including hand signals and gestures

common timber stack repair aspects including:

cordon off area from pedestrian access

install danger warning signage

replace damaged racking sticks, bearers or restraints

stabilise ground conditions, including top surface

stabilise packs and stacks

partially or fully rebuild packs and stacks

assess need for additional restraints

tighten loose restraints

timber stacking tools and equipment, and procedures for their safe use and maintenance

procedures for recording and reporting workplace information

‘Fit for work’ requirements, the impact of fatigue, and organisational policy and procedures for fatigue management

standards for height of a timber stack inside, under cover and in the open.

environmental protection requirements, including criteria for recycling and reusing material with faults and safely disposing of waste material.

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