Scribner Scale and Log Grading

The video tutorial on Lumber Capital Log Yard explains how to scale a log using a Scribner scale stick. It covers measuring the log's length, calculating board footage, and adjusting for defects. The video also discusses grading hardwood logs by quality, including veneer, prime, select, and lower grades. The tutorial concludes with a wrap-up and encourages viewers to subscribe.

What is the main purpose of using a Scribner scale stick?

• To measure the height of a tree

• To determine the weight of a log

• To calculate the age of a tree

• To find out how many board feet are in a log

Why is scaling important in the logging industry?

• It is used to measure the diameter of trees

• It helps in determining the price to pay the landowner for the logs

• It helps in identifying the species of the tree

• It is used to calculate the moisture content of the wood

What is the first step in using a Scribner scale stick?

• Calculating the weight of the log

• Identifying the type of wood

• Finding the diameter of the log

• Measuring the length of the log

When using a Scribner scale stick, where should you measure the log?

• From the inside of the bark

• From the bottom of the log

• From the outside of the bark

• From the top of the log

What should be done if a log has a defect such as a sweep?

• Double the board footage

• Ignore the defect and scale as usual

• Subtract board feet based on the severity of the defect

• Add extra board feet to the total

Which type of defect is common in hemlock logs?

• Rot

• Knots

• Shake

• Cracks

What is the highest quality grade for hardwood logs?

• Ones and Twos

• Select

• Prime

• Veneer

What distinguishes a Prime log from a Veneer log?

• Prime logs have more knots

• Veneer logs are smaller

• Prime logs are clear except for one side

• Veneer logs are heavier

Which grade is considered the lowest quality for hardwood logs?

• Ones and Twos

• Veneer

• Prime

• Select

What is the significance of grading logs?

• It affects the price and usage of the lumber

• It helps in identifying the tree species

• It is used to measure the moisture content

• It determines the color of the wood