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.
Approximately 0.024 lbs per cubic inch. A common pressure-treated 2x6 that is 12 feet long (2x6x144 inches) will weigh 38 to 40 pounds. Example: a 4 x 12 x 10' pressure treated beam.(note that 10' = 120 inches). 4 x 12 x 120 = 5760 * 0.024 = approx 138 lbs for the beam. common pressure-treated 2x6 that is 12 feet long (2x6x144 inches) will weigh 38 to 40 pounds. Example: a 4 x 12 x 10' pressure treated beam. (note that 10' = 120 inches).