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Elements and Performance Criteria

  1. Plan and prepare work
  2. Prepare the site for the structure
  3. Prepare and cut timber components
  4. Assemble and erect structure
  5. Check quality of work and clean up site

Evidence Required

What evidence is required to demonstrate competence for this standard as a whole

Competence in erecting timber structures and features requires evidence that the work can be planned and prepared for that the structure site can be marked out according to design drawings and specifications and that the structure or feature can then be assembled erected and finished off according to the required standards The skills and knowledge required to erect timber structures and features must be transferable to a different work environment For example this could include different timber structures timbers locations environments and work conditions

What specific knowledge is needed to achieve the performance criteria

Knowledge and understanding are essential to apply this standard in the workplace to transfer the skills to other contexts and to deal with unplanned events The knowledge requirements for this competency standard are listed below

Levelling principles and techniques

Timber properties and characteristics

Common timber joints

Timber fixing methods and product

Footings and their construction used for timber structures

OHS requirements associated with erecting structures and features

Environmental implications associated with excavation and construction activity

What specific skills are needed to achieve the performance criteria

To achieve the performance criteria appropriate literacy and numeracy levels as well as some complementary skills are required These include the ability to

Interpret design drawings and specifications

Measure and mark lengths of timber accurately

Join timbers using a variety of recognised methods

Use some surveyors instruments

Use hand and power tools according to OHS requirements

Demonstrate safe working practices

What processes should be applied to this competency standard

There are a number of processes that are learnt throughout work and life which are required in all jobs They are fundamental processes and generally transferable to other work functions Some of these are covered by the key competencies although others may be added The questions below highlight how these processes are applied in this competency standard Following each question a number in brackets indicates the level to which the key competency needs to be demonstrated where not required perform the process perform and administer the process and perform administer and design the process

How can communication of ideas and information be applied

Information regarding timber selection may need to be discussed with suppliers the client and other members of the work team

How can information be collected analysed and organised

The information on design drawings specifications and site plans may need to be collected analysed and then transferred to site

How are activities planned and organised

Activities on the work site may need to be planned and organised to ensure efficient use of time and resources

How can team work be applied

Team work may be required when assembling and erecting timber structures and features

How can the use of mathematical ideas and techniques be applied

Mathematical techniques may be applied when calculating lengths of timber and marking out cuts and joints

How can problemsolving skills be applied

Problems may arise if calculations of timber lengths are inaccurate

How can the use of technology be applied

The use of technology may be applied when using levelling equipment to mark out the structure site

Are there other competency standards that could be assessed with this one

This competency standard could be assessed on its own or in combination with other competencies relevant to the job function

There is essential information about assessing this competency standard for consistent performance and where and how it may be assessed in the Assessment Guidelines for this Training Package All users of these competency standards must have access to both the Assessment Guidelines and the relevant Sector Booklet

Range Statement

Range of Variables

The Range of Variables explains the contexts within which the performance and knowledge requirements of this standard may be assessed. The scope of variables chosen in particular training and assessment requirements may depend on the work situations available

What tools and equipment are likely to be used when erecting timber structures and features?

Tools and equipment may include levelling equipment, ladders, guy ropes, string lines, tape measures, marking gauges, spades, shovels, crow bars, chisels, hammers, spanners, nails, nail punches, planes, clamps, power tools such as electric drills and saws, handsaws, sanding blocks, paint brushes and putty knives.

What OHS hazards apply to this standard?

OHS hazards may include manual lifting, use of power tools, use of sharp hand tools, dust, sun exposure, working at heights, falling objects, overhead powerlines, and contact with treated timber.

What environmental implications are likely to be considered?

Consideration may be given to the impact of soil disturbance and the alteration to water flow during construction, and after the structure or feature has been erected, use and disposable of treated timbers.

What services are likely to be located on site?

Services may include power, gas, water, stormwater, sewerage or septic connections, phone and optical cables.

What types of footings are likely to be prepared for timber structures and features?

Footings may be concrete or in some case rammed earth. The depth of footings and timing of footing installation may vary according to the type of structure to be erected. Some structures (e.g., fences) need the post and footing installed at the beginning, others may be supported by bracing during assembly and when complete, the footings are filled.

What timber components are likely to be included in a timber structure or feature?

Timber components may include beams, rafters, joists, battens, slats, rails and planks.

How is the timber likely to be prepared before assembly?

Timber preparation may include planing arising from the identification of knots.

What cutting tools are likely to be used?

Cutting tools may include handsaws, electric saws and chisels.

What OHS specifications may be included for the use of power tools?

OHS specifications may include routine pre-start checks such as cleaning air filters, blades, brakes, safety bars, nuts, bolts and screws, and the operating of power tools according to manufacturers recommendations including correct handling, guards, electrical safety, the wearing of protective clothing, regular servicing, and safe storage when not in use.

What methods are likely to be used for joining timber?

Timber joints may include corner halving, tee halving, bevelled tee halving, stopped halving, cross halving, halved scarf, through dovetail halving and stopped dovetail halving.

How can timber components be fixed into place?

Timber fixing methods may include galvanised plates, saddles, nails, cup head bolts, coach screws, dyna bolts, timber glues or other fasteners.

How can a structure or feature be finished off to ensure completeness and security of components?

Finishing off may include the cutting off of overhangs, sanding, and the plugging of holes and any other cosmetic work that may be required.

What coatings are likely to be applied to timber structures and features?

Coatings may include paint, varnishes and lacquers.

How is unused timber likely to be stored and stacked?

Storing and stacking may include the use of ground sheets, chocks, waterproof covers and strapping in accordance with safe stacking procedures.

For more information on contexts, environment and variables for training and assessment, refer to the Sector Booklet.