| Aspect |
A-22 Prefabrication of building products – screening and simplified LCA |
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Description |
This aspect refers to the off-site construction assembly of prefabricated products such as reinforced concrete. Should the off-site construction be considered in the context of a screening or simplified LCA? | |||||
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Related study objective |
☒ stand-alone LCA | ☒ comparative assertion | ||||
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Related study phase |
☒ | ☐ | ☐ | ☐ | ☐ | |
| goal and scope definition | inventory analysis (LCI) | impact assessment (LCIA) | interpretation | reporting | ||
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Relevant for |
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| new buildings | existing buildings | building products | screening LCA | simplified LCA | complete LCA | |
Provisions |
Prefabrication should be considered in the context of a screening or simplified LCA. The manufacture of building products should be included in Modules A1–A3, and their transport in Module A4. Only the impacts of their installation (waste, machinery etc.) are included in Module A5, based on cut-off rules. | |||||
Rules from: |
EN 15978: 8.5 Scenarios for the construction process stage (Modules A4-A5) | |||||
Guidance |
The practitioner should use default values (e.g. based on generic data or ratios) for screening or simplified LCA. Such data can be defined with stakeholders. | |||||
