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Offsite production is the manufacture and assembly of components, elements or modules before installation.
Level 0 |
Basic materials |
With no pre-installation assembly aspects |
Level 1 |
Component sub-assembly |
Small sub-assemblies that are habitually assembled prior to installation |
Level 2 |
Non-volumetric pre-assembly |
Planar, skeletal or complex units made up from several individual components – and that are sometimes still assembled on-site in ‘traditional’ construction |
Level 3 |
Volumetric pre-assembly |
Pre-assembled units that enclose usable space – can be ‘walked into’ – installed within or onto other structures – usually fully finished internally |
Level 4 |
Modular building |
Pre-manufactured buildings - volumetric units that enclose usable space but also form the structure of the building itself – usually fully finished internally, but may have external finishes added on site |
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