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Managing Choice Uncertainties in Life-Cycle Assessment as a Decision-Support Tool for Building Design: A Case Study on Building Framework

Author

Listed:
  • Peter Ylmén

    (RISE Research Institutes of Sweden, SE-501 15 Borås, Sweden
    Building Physics, Lund University, SE-221 00 Lund, Sweden)

  • Johanna Berlin

    (RISE Research Institutes of Sweden, SE-501 15 Borås, Sweden)

  • Kristina Mjörnell

    (RISE Research Institutes of Sweden, SE-501 15 Borås, Sweden
    Building Physics, Lund University, SE-221 00 Lund, Sweden)

  • Jesper Arfvidsson

    (Building Physics, Lund University, SE-221 00 Lund, Sweden)

Abstract

To establish a circular economy in society, it is crucial to incorporate life-cycle studies, such as life-cycle assessment (LCA), in the design process of products in order to mitigate the well-recognized problem of the design paradox. The aim of the study was to provide means in a structured way to highlight choice uncertainty present in LCA when used as decision support, as well as to mitigate subjective interpretations of the numerical results leading to arbitrary decisions. The study focused on choices available when defining the goal and scope of a life-cycle assessment. The suggested approach is intended to be used in the early design phases of complex products with high levels of uncertainty in the product life-cycle. To demonstrate and evaluate the approach, a life-cycle assessment was conducted of two design options for a specific building. In the case study two types of building frameworks were compared from an environmental perspective by calculating the global warming potential, eutrophication potential, acidification potential, stratospheric ozone depletion potential and photochemical oxidants creation potential. In the study, a procedure named the Decision Choices Procedure (DCP) was developed to improve LCA as an effective tool for decision support concerning design alternatives when less information is available. The advantages and drawbacks of the proposed approach are discussed to spur further improvements in the use of LCA as a decision-support tool.

Suggested Citation

  • Peter Ylmén & Johanna Berlin & Kristina Mjörnell & Jesper Arfvidsson, 2020. "Managing Choice Uncertainties in Life-Cycle Assessment as a Decision-Support Tool for Building Design: A Case Study on Building Framework," Sustainability, MDPI, vol. 12(12), pages 1-18, June.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:12:p:5130-:d:375497
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    References listed on IDEAS

    as
    1. Stephen A. Ross & Lynette Cheah, 2017. "Uncertainty Quantification in Life Cycle Assessments: Interindividual Variability and Sensitivity Analysis in LCA of Air-Conditioning Systems," Journal of Industrial Ecology, Yale University, vol. 21(5), pages 1103-1114, October.
    2. Francesco Pomponi & Bernardino D’Amico & Alice M. Moncaster, 2017. "A Method to Facilitate Uncertainty Analysis in LCAs of Buildings," Energies, MDPI, vol. 10(4), pages 1-15, April.
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    Cited by:

    1. Awais Mahmood & Viganda Varabuntoonvit & Jitti Mungkalasiri & Thapat Silalertruksa & Shabbir H. Gheewala, 2022. "A Tier-Wise Method for Evaluating Uncertainty in Life Cycle Assessment," Sustainability, MDPI, vol. 14(20), pages 1-19, October.

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