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A wood scaler identifies usable wood from cut logs by examining species, dimensions, and defects. They calculate gross and net scales to determine the amount of usable wood. Independent scalers set prices to avoid miscalculations. Three methods of climbing wood are ramp, deployment, and standing wooden scale.
A wood chipper examines the cut wood to identify how much good, usable wood can be obtained from the wood. Species identification, dimensions and defects are all observed by the log scaler. By calculating a gross scale as well as a net scale, the log scaler takes into account any defects in the log and eliminates a percentage of the wood to be wasted in the net scale value or usable wood calculations. In order for the resizer to maintain resize certification, an unbiased resizeer will occasionally resize a log that has been resized and the factors must be within a predetermined percentage of each other.
A wood buyer uses certain methods to identify which trees he wants to purchase from permanent wood growth. Once cut, the scaler examines and marks the trees for species, the estimated wood in each trunk, as well as any defects in the trunk. This is the method that sets the price of cut wood. The log scraper keeps a detailed record of the lumber, from the time of harvesting to the sale of the timber or the dimensional lumbering of the timber in a sawmill.
Many internal defects that can reside in a log are identified by certain external markings in the log; therefore, the scaler must be alert and very well trained to watch for signs that a problem may exist with a given log. While many logging companies employ a scaler, it is usually an independent scaler who sets the price for cutting the wood. This eliminates the possibility of wood miscalculations or the incorrect pricing of logs. It is typical for a lumber buyer to compare the findings of his company’s log debarker with those of the independent debarker to verify the price charged for lumber.
There are three commonly used methods for climbing wood: ramp climbing, where logs are climbed while loaded onto trucks; Deployment scale, where each log is taken out of the truck and on the ground to be climbed; and standing wooden scale. Of the three methods, a scaler is able to get the best view of the logs in an implementation scale process. This is also more convenient for trucks as they simply empty the logs and go. This deployment method also makes it easier for the log resizer to see signs of internal problems by providing access to more of the log’s surface area.
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