3. Terms and definitions

Scaffolding systems (A)

• Tube and fitting scaffolding (A1)

  Reticulated structures whose elements, which are round, free-standing tubes, are joined by bolted or keyed connections.

• Prefabricated frame scaffolding (A2)

  Structures composed of planar elements of predetermined dimensions which are interconnected by other linear or planar elements of predetermined dimensions.

  Assemblies are made by interlocking or keying, avoiding the need for bolting.

• Modular scaffolding (A3)

  Note :

  In France, this type of scaffolding is known as "multidirectional" or "multi-level"....