Thanks all for your responses to date.
MrMikee - I typically design these units to a 3:1 yield SF, but would like to know the specific OSHA chapter governing here - do you have that reference?
ccw - it sounds as if you've done a few of these before - do you have any pubslished standards you...
I find myself designing a variety of in house lifting beams and spreader bars for lifting plates and structural shapes for material handling purposes. Currently I am working on a 100' long lifting beam with a working load capacity to 40 tons, two lift points above the beam and 5 sling points...
