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.
If your roof has a rise and run of 3/12 or less, multiply length times width. That was easy. For roofs over 3/12 measure multiply the length of your home by the width of your home after you add in the overhang. If you have a 1 foot overhang add 2 feet to the width and 2 feet to length.dd that to the 102.2 inches (101.2 plus 14.75 = 115.95 or 116 inches). Your rafters will need to be at least 116 inches long. Porch Home / Build a Porch / Roofing Materials Comparison. If your rise and run (or slope) is 4/12, multiply the square footage above (504) by 1.06.