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.
Length of suspension span including main span and side spans is 1.2 miles (6,450 ft or 1,966 m). Length of main span portion of suspended structure (distance between towers) is 4,200 ft (1,280 m). Length of one side span is 1,125 ft (343 m). Width of Bridge is 90 ft (27 m).