# Tasks & work activities — lumber grader

Source: O*NET 30.3, occupation 45-4023.00 (Log Graders and Scalers).

## Task statements

- **[Core]** Evaluate log characteristics and determine grades, using established criteria.
- **[Core]** Record data about individual trees or load volumes into tally books or hand-held collection terminals.
- **[Core]** Paint identification marks of specified colors on logs to identify grades or species, using spray cans, or call out grades to log markers.
- **[Core]** Measure felled logs or loads of pulpwood to calculate volume, weight, dimensions, and marketable value, using measuring devices and conversion tables.
- **[Core]** Identify logs of substandard or special grade so that they can be returned to shippers, regraded, recut, or transferred for other processing.
- **[Core]** Jab logs with metal ends of scale sticks, and inspect logs to ascertain characteristics or defects such as water damage, splits, knots, broken ends, rotten areas, twists, and curves.
- **[Supplemental]** Arrange for hauling of logs to appropriate mill sites.
- **[Supplemental]** Measure log lengths and mark boles for bucking into logs, according to specifications.
- **[Supplemental]** Drive to sawmills, wharfs, or skids to inspect logs or pulpwood.
- **[Supplemental]** Communicate with coworkers by signals to direct log movement.
- **[Supplemental]** Weigh log trucks before and after unloading, and record load weights and supplier identities.
- **[Supplemental]** Saw felled trees into lengths.

## Detailed work activities

- Communicate with other workers to coordinate activities.
- Cut trees or logs.
- Direct material handling or moving activities.
- Drive passenger vehicles.
- Evaluate log quality.
- Mark agricultural or forestry products for identification.
- Measure physical characteristics of forestry or agricultural products.
- Record agricultural or forestry inventory data.