Log Scaler

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For other uses, see Logarithmic scale.

The log scaler is an occupation in the timber industry. The Log Scaler measures the cut trees to determine the scale (volume) of the wood to be used for manufacturing. There are several different scales or rules that are used to determine the volume of wood. Scribner Decimal C rule is based on diagrams of circles that show the amount of boards that will be utilized from diameters of logs. Cubic rule determines the cubic volume of the log material. The logs are recorded as gross scale (actual log measurements, length and diameter) and net scale (volume after deductions for defects are taken out). This occupation is usually performed by a third party organization, as the result of the measurement is not an exact science and is subject to interpretation of log scaling rules. The log scaler is subject to random "check scales" in which another scaler rescales the exact same logs and the results are compared. The log scaler must be within + or - 1% of the check scaler to keep their certification to scale. The scale is used for payment, quality control and inventory purposes.

[edit] External links

Log Scaling Manual for the British Columbia Ministry of Forests. This manual documents the procedures for piece scaling and weigh scaling in the province of British Columbia, Canada.