A-18 Water and energy demand – screening and simplified LCA

Aspect

A-18 Water and energy demand – screening and simplified LCA

Description
This aspect concerns the water and energy demand on the construction site. Energy and water are consumed both for the construction of the building and for the workers’ accommodation.

Related study objective

stand-alone LCA comparative assertion

Related study phase

goal and scope definition inventory analysis (LCI) impact assessment (LCIA) interpretation reporting

Relevant for

new buildings existing buildings building products screening LCA simplified LCA complete LCA
Provisions Water and energy consumption on the construction site should be considered in accordance with the corresponding study type. It may be included in the context of a screening or simplified LCA.
Rules from:
EN 159788.5 Scenarios for the construction process stage (Modules A4-A5) 
Guidance
The practitioner should use default values (ratios) for screening and simplified LCA. Such data can be defined with stakeholders. Practitioners should refer to the guidance on cut-off rules, if relevant.

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