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 thought that 2x10's would have been used, but it looks like the rafters were trimed down to that size to fit in the narrow space in the roof. the roof is 20' x 34'. There is only a couple of inches of space between the ceiling and the rafters.don't see any room for insulation. The flat roof is only 7 years old.One roof suggested changing the flat roof to a regular pitched /hip roof.here is only a couple of inches of space between the ceiling and the rafters. don't see any room for insulation. The flat roof is only 7 years old. One roof suggested changing the flat roof to a regular pitched /hip roof.