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.
According to guidelines published in Architectural Graphic Standards, the minimum recommended width for a two person walkway is 42 inches. As far as I am concerned, the minimum width for a two person walk should actually be 48 inches, with 60 inches being more preferable for an upscale custom home.