Evaluate log characteristics and determine grades, using established criteria.
Record data about individual trees or load volumes into tally books or hand-held collection terminals.
Measure felled logs or loads of pulpwood to calculate volume, weight, dimensions, and marketable value, using measuring devices and conversion tables.
Paint identification marks of specified colors on logs to identify grades or species, using spray cans, or call out grades to log markers.
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.
Identify logs of substandard or special grade so that they can be returned to shippers, regraded, recut, or transferred for other processing.
Arrange for hauling of logs to appropriate mill sites.
Weigh log trucks before and after unloading, and record load weights and supplier identities.
Measure log lengths and mark boles for bucking into logs, according to specifications.
Communicate with coworkers by using signals to direct log movement.