2.3 Procedure for choosing provisions from both CEN TC 350 standards and the ILCD Handbook

The ILCD Handbook was written by a panel of scientific researchers and experts in LCA, whereas the CEN TC 350 standards were written by a panel of building stakeholders as well as LCA experts. The level of detail varies considerably … Continue reading

3.1.1 Implementation of the study type definitions

Table 5 gives specific information about how the three LCA study types (screening, simplified and complete) are currently implemented within the EeBGuide framework. Screening describes the first approach, where most of the information on the building is still very rough … Continue reading

3.1.1 Implementation of the study type definitions

Table 5 gives specific information about how the three LCA study types (screening, simplified and complete) are currently implemented within the EeBGuide framework. Screening describes the first approach, where most of the information on the building is still very rough … Continue reading

G-01 Goal definition for building and product LCA

Aspect G-01 Goal definition for building and product LCA Description According to ISO 14040-44 and the ILCD Handbook, the goal definition of a study is a key LCA requirement, as it guides all the detailed aspects of the scope definition, … Continue reading

G-02 Classifying the decision context as situation A, B, and C for building and product LCA

Aspect G-02 Classifying the decision context as situation A, B, and C for building and product LCA Description The ILCD Handbook distinguishes between different decision contexts for LCA studies. This distinction is part of the goal and scope definition of … Continue reading

G-03 Future technical developments and innovation

Aspect G-03 Future technical developments and innovation Description This aspect includes the possibility of considering the effects of future developments with regard to technologies, materials and end-of-life options (e.g. scenarios on energy recovery, or recycling) within a building LCA. In … Continue reading

G-05 Scope definition for building and product LCA

Aspect G-05 Scope definition for building and product LCA Description According to [ISO 14040], [ISO 14044], and the ILCD Handbook, the scope definition of a study is the step where the main requirements related to methodology, quality, reporting and review … Continue reading

G-06 (Buildings) / G-07 (Products) Functional equivalent

Aspect G-06 (Buildings) / G-07 (Products) Functional equivalent Description According to [EN 15643-1], the functional equivalent is a representation of the required and quantified functional and/or technical requirement for a building or an assembled system (part of works), which is … Continue reading

G-06 Distinction between the declared unit and the functional unit

Aspect G-06 Distinction between the declared unit and the functional unit Description The functional unit represents the quantified performance of a product system for use as a reference unit for the LCA study. It is the unit of scale or … Continue reading