This occupation is included in the larger group of pipelayingfitters, pipefitters, and plumbers.. The median wage for this groupis $4,781 per month ($27.58 per hour). Half of all of these workersearn between $3,602 and $5,651 per month ($20.78 and $32.60per hour).
When supporting joists that span 12 feet with no overhang beyond the beam, a double ply beam can span in feet a value equal to its depth in inches. A double 2x12 beam can span 12 feet; a (2) 2x10 can span 10 feet and so on.
Lumber Sizes and Measurement. Framing lumber is identified by the height and width of the board. The measurements used, however, may make you think you are getting cheated! A 2x4 board is actually only 1 1/2 inches by 3 1/2 inches.The way this comes about is that when lumber is cut from the logs, it is considered rough cut.. The wood is still green and wet.he measurements used, however, may make you think you are getting cheated! A 2x4 board is actually only 1 1/2 inches by 3 1/2 inches. The way this comes about is that when lumber is cut from the logs, it is considered rough cut.. The wood is still green and wet.