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The board foot or board-foot is a unit of measurement for the volume of lumber in the United States and Canada.It equals the volume of a board that is one foot (30.5 cm) in length, one foot (30.5 cm) in width, and one inch (2.54 cm) in thickness, or exactly 2.359 737 216 liters.
Gross Income, Net Profits, Production, and price index in the Lumber Industry 1920 -1934 [57] Year Gross Income (In Millions Dollar) Net Profit (In Millions Dollar) Production (In Board feet) (In Millions) Wholesale Price Index (1926=100) 1920 3,312 N/A 35,000 N/A 1922 2,402 167 35,250 N/A 1924 2,835 132 39,500 99.3 1926 3,069 117 39,750 100.0 1928
Graf Bros produces 125,000 board feet (290 m 3) of lumber and 35,000 square feet (3,300 m 2) of flooring per day. [1] The company maintains 2.5 million board foot (5,900 m 3 ) of logs, 5 million board foot (12,000 m 3 ) of lumber and 750,000 square feet (70,000 m 2 ) of flooring in inventory, including stocks at four West Coast warehouses.
Finger-jointed lumber – solid dimensional lumber lengths typically are limited to lengths of 22 to 24 feet (6.7–7.3 m), but can be made longer by the technique of "finger-jointing" by using small solid pieces, usually 18 to 24 inches (460–610 mm) long, and joining them together using finger joints and glue to produce lengths that can be ...
One of the most common ways to calculate volume of a standing tree or of a log is by using the Doyle log rule. This formula uses the small end diameter of a log (D) (in inches) along with the log length (L) (in feet) to estimate the volume of a log. The Doyle log rule on average under estimates the volume of a log. See formula below:
The Christiania standard was 5 ⁄ 8 of the Petersburg standard, making it 103.125 cubic feet. [3] The Swedish standard hundred was 121 boards of 14 feet long, 3 inches thick and 9 inches wide, making 317.625 cubic feet. [5] The Norwegian standard hundred was 120 boards of 12 feet long, 3 inches thick and 9 inches wide, making 270 cubic feet. [5]
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Girard form class is a form quotient calculated as the ratio of diameter inside bark at the top of the first 16 foot log to the diameter outside bark at breast height ().Its purpose is to estimate board-foot volume of whole trees from measurement of DBH, estimation of the number of logs, and estimation of the taper of the first log, based on the general relationships identified between the ...