G-18 (Buildings) / G-16 (Products) Allocation

Aspect G-18 (Buildings) / G-16 (Products) Allocation Description Normally, LCA studies should focus only on a single product at a time. However, systems under assessment often produce more than one product. The same problem arises when different waste flows are … Continue reading

G-19 Allocation case: production of renewable energy on-site

Aspect G-19 Allocation case: production of renewable energy on-site Description  The production of on-site renewable energy can occur at different time of the day, month and year, and may or may not meet on-site needs. Renewable energy may be consumed … Continue reading

G-20 (Buildings) / G-17 (Products) Allocation case: reuse, recycling and recovery

Aspect G-20 (Buildings) / G-17 (Products) Allocation case: reuse, recycling and recovery Description When the lifespan of a product ends, it can be reused, recycled, or used for recovery in another product system. These recovery operations entail a benefit for … Continue reading

G-24 Collecting foreground and background data for product LCA

Aspect G-24 Collecting foreground and background data for product LCA Description Different data need to be collected for a product LCA study. The most important data collection is usually the production stage especially for highly complex manufacturing processes. The data … Continue reading

G-21 Background databases in LCA studies

Aspect G-21 Background databases in LCA studies Description According to the ILCD Handbook, the background system comprises those processes that are not under the direct control or decisive influence of the producer of the good. For attributional modelling these are … Continue reading

G-22 (Buildings) / G-23 (Products) Data quality

Aspect G-22 (Buildings) / G-23 (Products) Data quality Description Generally speaking, the data quality in LCA refers to the relevance of generic or specific LCA data in accordance with the goal and scope of the study. Depending on the background … Continue reading

G-23 Choice of LCI/LCIA datasets for screening LCA

Aspect G-23 Choice of LCI/LCIA datasets for screening LCA Description  Different LCI/LCA data are needed to assess the environmental impacts of buildings. They make it possible to quantify the different impacts related to the building products and equipment, the construction … Continue reading

G-24 Choice of LCI/LCIA datasets for simplified LCA

Aspect G-24 Choice of LCI/LCIA datasets for simplified LCA Description Different LCI/LCIA data are needed to assess the environmental impacts of buildings. They make it possible to quantify the different impacts related to the building products and equipment, the construction … Continue reading