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TitleComparison of the environmental assessment of an identical office building with national methods
Author(s)Frischknecht, R.
Birgisdottir, H.
Chae, C. - U.
Lützkendorf, T.
Passer, A.
Alsema, E.
Balouktsi, M.
Berg, B.
Dowdell, D.
García Martínez, A.
Habert, G.
Hollberg, A.
König, H.
Lasvaux, S.
Llatas, C.
Nygaard Rasmussen, F.
Peuportier, B.
Ramseier, L.
Röck, M.
Soust Verdaguer, B.
Szalay, Z.
Bohne, R. A.
Bragança, L.
Cellura, M.
Chau, C. K.
Dixit, M.
Francart, N.
Gomes, V.
Huang, L.
Longo, S.
Lupíšek, A.
Martel, J.
Mateus, Ricardo
Ouellet-Plamondon, C.
Pomponi, F.
Ryklová, P.
Trigaux, D.
Yang, W.
KeywordsAnnex 72
Building life cycle assessment
Comparative Analysis
Issue dateSep-2019
PublisherIOP Publishing Ltd
JournalIOP Conference Series: Earth and Environmental Science
CitationFrischknecht R., Birgisdottir H., Chae C. - U., Lützkendorf T., Passer A., Alsema E., Balouktsi M., Berg B., Dowdell D., García Martínez A., Habert G., Hollberg A., König H., Lasvaux S., Llatas C., Nygaard Rasmussen F., Peuportier B., Ramseier L., Röck M., Soust Verdaguer B., Szalay Z., Bohne R. A., Bragança L., Cellura M., Chau C. K., Dixit M., Francart N., Gomes V., Huang L., Longo S., Lupíšek A., Martel J., Mateus R., Ouellet-Plamondon C., Pomponi F., Ryklová P., Trigaux D., Yang W. Comparison of the environmental assessment of an identical office building with national methods, IOP Conf. Series: Earth and Environmental Science 323, Vol. 323, Issue 2019, pp. 1-11, doi:10.1088/1755-1315/323/1/012037, 2019
Abstract(s)The IEA EBC Annex 72 focuses on the assessment of the primary energy demand, greenhouse gas emissions and environmental impacts of buildings during production, construction, use (including repair and replacement) and end of life (dismantling), i.e. during the entire life cycle of buildings. In one of its activities, reference buildings (size, materialisation, operational energy demand, etc.) were defined on which the existing national assessment methods are applied using national (if available) databases and (national/regional) approaches. The ?be2226? office building in Lustenau, Austria was selected as one of the reference buildings. TU Graz established a BIM model and quantified the amount of building elements as well as construction materials required and the operational energy demand. The building assessment was carried out using the same material and energy demand but applying the LCA approach used in the different countries represented by the participating Annex experts. The results of these assessments are compared in view of identifying major discrepancies. Preliminary findings show that the greenhouse gas emissions per kg of building material differ up to a factor of two and more. Major differences in the building assessments are observed in the transports to the construction site (imports) and the construction activities as well as in the greenhouse gas emissions of the operational energy demand (electricity). The experts document their practical difficulties and how they overcame them. The results of this activity are used to better target harmonisation efforts.
TypeConference paper
Publisher version
AccessOpen access
Appears in Collections:C-TAC - Artigos em Revistas Internacionais

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