According to the National Occupational Classification of Statistics Canada, a lumber grader has the following duties (not an exhaustive list):

  • Examine lumber visually for knots, holes, splits and other defects and sort for further drying, trimming or remanufacturing
  • Measure lumber using callipers, gauges and tape measures to ensure specified thickness, length and width
  • Classify and sort lumber according to industry standards and stamp lumber to indicate grade, wood type, moisture level and other characteristics
  • Tally lumber
  • Complete and maintain reports.
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