Shaft platform, is produced to build up a platform which is used to rise up wall-formworks on it and to make a safety platform for working on itin the elevator shafts and installation shafts.
Hinged platform hangers which are placed on both ends of the shaft platform beam , let the platform to move only upward.
To form a girder, 10x10 classical timbers are aligned on the beams
You can get a safe working platform by screwing timbers on the girder.