The EeBGuide refers to several sources that provide rules and guidance for LCA practitioners. The first such source is the original ISO standards on life cycle assessment, i.e. [ISO 14040] and [ISO 14044]. In addition, the ILCD Handbook provides extended guidance on … Continue reading
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
LCA has been developed as a flexible system that can be adjusted to answer different kinds of question [CALCAS 2009]. In this context, standardization is always a difficult task, as it is done under a specific goal definition (e.g. EN … Continue reading
LCA studies can be undertaken to meet a multitude of different goals, and often different goals are addressed in one single study. Depending on its goals, the study will have a different scope and level of detail. Generally speaking, LCA … Continue reading
Purpose A screening LCA study may serve for an initial (quick) overview of the environmental impacts of a building or a product. The challenge is to adapt the LCA methodology and simplify the use of LCA at the early design … Continue reading
Purposes A simplified LCA study can be conducted for a quick assessment of a building or a product. The challenge is to adapt the LCA methodology and simplify its use, but to a more advanced LCA stage than for a … Continue reading
Purpose A complete LCA study reflects the regular approach to LCA, following ISO 14040/14044. It meets the requirements of ISO 14044, and reflects the basis for comparative assertions and other external communication. It covers the entire building’s or product’s life … Continue reading
Deviations in the final results of product and building LCAs may arise from the use of different sets of parameter values, depending on the goal and scope and according to the study type definitions (see previous section). This can be … Continue reading
This guidance document is structured in two parts: one dedicated to the LCA of building products, and the other to the LCA of buildings. Both documents contain a general section covering the implementation of study types, and guidance on how … Continue reading
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