Built 4 of these davit arms for removing large heads from chiller bundles. The big head weighs 1800#.
Outer pipe is 5” sch. 120 and the inner pipe is 4” sch. 120. Notched the 4” to fit a 16”x45# beam that we cut down the center to make it a T beam. All welded on site with 7018.
Edit: Don’t...