Lowering a concrete staircase into place - GIF

[Jon]

Lowering a concrete staircase into place.




Previously:

High-rise spiral emergency exit staircase - photo
Collapsible emergency exit staircase - GIF
Marble staircase following vein - photo
Wood trunk staircase - photo
Staircase wheelchair lift - GIF
CNC plywood spiral staircase

[Ralphxyz]

That is some nice precision work. Most of the construction companies I worked for could never build any of it.

[NeiljohnUK]

No harnesses or safety lines, totally reliant on 4 short wire loops and a pair of chain winches hooked on a set of chain brothers, I wonder what the RAMS and LOLER lifting plan equivalent said... Still they've got their hard hats on.