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.
I used a piece of 2x8 approx. 5' long as a vertical support and beam retainer. The 2x8 was secured low, directly to the tree trunk with a 10 lag bolt. The upper portion was secured the same way except I used (2) 2x pieces of lumber to as a spacer and to act as a sliding rest point for the (2) 2x beams.' long as a vertical support and beam retainer. The 2x8 was secured low, directly to the tree trunk with a 10 lag bolt. The upper portion was secured the same way except I used (2) 2x pieces of lumber to as a spacer and to act as a sliding rest point for the (2) 2x beams.