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Elements and Performance Criteria

  1. Prepare for stress-grading
  2. Set up equipment
  3. Stress grade panels
  4. Conduct 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:

operate a mechanical stress grading machine, in line with work orders, to grade the following types of panels:

laminated veneer

medium density fibreboard

chipboard

fibreboard

plywood

complete operator maintenance on the mechanical stress grading equipment.


Knowledge Evidence

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

typical flow of material supply in and out of the grading area

typical work flow processes and techniques used to mechanically stress grade panels

range of industry standard strength grades and thresholds and applicable terminology

markings used on panels to identify grades

reason for independent testing of panels and processes for sampling and preparing panels for testing

purpose, features and operation of equipment used to mechanically stress grade panels:

mechanical stress-graders or high speed mechanical graders

spray guns

branding rolls

verification panels

methods used to:

calibrate equipment to grades using verification panels

clean and maintain mechanical stress grading equipment

organisational procedures specific to mechanically stress grading panels:

workplace health and safety with particular emphasis on equipment lock out, use of personal protective equipment and handling hazardous substances

communication reporting lines

recording and reporting production outcomes, equipment faults and maintenance requirements

environmental protection practices for forest products factory settings:

reducing water and energy use

cleaning plant, tools and equipment

disposing of hazardous substances.