How to Obtain Accurate Environmental Impacts at Early Design Stages in BIM When Using Environmental Product Declaration. A Method to Support Decision-Making

Palumbo, Elisabetta; Soust-Verdaguer, Bernardette; Llatas, Carmen; Traverso, Marzia

doi:10.3390/su12176927

Cited by 37 publications

(22 citation statements)

References 29 publications

(45 reference statements)

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“…The study published just recently by Palumbo et al shows that, currently, the use of EPD in building information modeling (BIM) is not directly feasible. It requires prior appropriate preparation of information on environmental indicators [63].…”

Section: Discussionmentioning

confidence: 99%

Environmental Footprint of Cementitious Adhesives—Components of ETICS

Czernik¹,

Marcinek²,

Piasecki

et al. 2020

Sustainability

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Energy saving is one of the strategic challenges facing our civilization today. Without decisive actions to reduce energy consumption, it is impossible to maintain the current standard of living. Energy consumption for heating and cooling purposes is one of the primary energy consumption sources in many countries. The external thermal insulation composite system (ETICS), which is today the most widely used solution in EU countries, increases buildings’ energy efficiency. This article investigates the impact of producing cementitious adhesives, as part of ETICS with expanded polystyrene (EPS) or mineral wool (MW), on the natural environment using the cradle-to-gate life cycle assessment (LCA) method. Cementitious adhesives have a relatively low impact on most of the environmental indicators analyzed in the paper concerning other ETICS components. The paper aims to raise awareness of the importance of the environmental impact related to the production of cementitious adhesives. Knowledge of the construction products’ environmental impact is fundamental for creating reliable databases, based on which, in the future, their environmental requirements will be determined. The environmental performance of building elements is essential for the correct determination of the buildings’ sustainability.

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Section: Discussionmentioning

confidence: 99%

Environmental Footprint of Cementitious Adhesives—Components of ETICS

Czernik¹,

Marcinek²,

Piasecki

et al. 2020

Sustainability

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“…For example, Švajlenka et al [19] reported the commercial availability of process databases for material and energy flows to improve on the lack of data for LCA. An analysis of state of the art in the integration of LCA with building information modeling (BIM) for data management [20][21][22] highlights many benefits: the integration of BIM-LCA with environmental product declarations (EPDs) for detailed and accurate data for a life cycle inventory [23]; the integration of building LCA and BIM's standard industry foundation classes (IFC) to reduce access barriers and assessment effort/time [24,25]; the comparison of LCAs of buildings with different material structure alternatives [26]. These advantages are the point of departure for assessing the relevance of an exergy-based LCA of buildings.…”

Section: Literature Review: Relevance Of Exergy To a Building Life Cycle Assessmentmentioning

confidence: 99%

Exergy-Based Life Cycle Assessment of Buildings: Case Studies

Nwodo

Anumba

2021

Sustainability

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The relevance of exergy to the life cycle assessment (LCA) of buildings has been studied regarding its potential to solve certain challenges in LCA, such as the characterization and valuation, accuracy of resource use, and interpretation and comparison of results. However, this potential has not been properly investigated using case studies. This study develops an exergy-based LCA method and applies it to three case-study buildings to explore its benefits. The results provide evidence that the theoretical benefits of exergy-based LCA as against a conventional LCA can be achieved. These include characterization and valuation benefits, accuracy, and enabling the comparison of environmental impacts. With the results of the exergy-based LCA method in standard metrics, there is now a mechanism for the competitive benchmarking of building sustainability assessments. It is concluded that the exergy-based life cycle assessment method has the potential to solve the characterization and valuation problems in the conventional life-cycle assessment of buildings, with local and global significance.

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“…In particular, the latter authors investigated four different certification systems, assessed the BIM-based workflow usage as input for LCA and provided suggestions for developing building models which were LCA compliant for a smooth and almost automatic certificate production. In the same field, Palumbo et al [17] presented a method for achieving accurate LCA results by integrating Environmental Product Declarations (EPDs) into BIM models at different levels of development (LOD).…”

Section: Introductionmentioning

confidence: 99%

Joint Analysis of Cost and Energy Savings for Preliminary Design Alternative Assessment

2020

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The building sector plays a central role in addressing the problem of global energy consumption. Therefore, effective design measures need to be taken to ensure efficient usage and management of new structures. The challenging task for designers is to reduce energy demands while maintaining a high-quality indoor environment and low costs of construction and operations. This study proposes a methodological framework that enables decision-makers to resolve conflicts between energy demand and life cycle costs. A case study is analyzed to validate the proposed method, adopting different solutions for walls, roofs, floors, windows, window-to-wall ratios and geographical locations. Models are created on the basis of all the possible combinations between these elements, enriched by their thermal properties and construction/management costs. After the alternative models are defined, energy analyses are carried out for an estimation of consumption. By calculating the total cost of each model as the sum of construction, energy and maintenance costs, a joint analysis is carried out for variable life cycles. The obtained results from the proposed method confirm the importance of a preliminary assessment from both energy and cost points of view, and demonstrate the impact of considering different building life cycles on the choice of design alternatives.

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How to Obtain Accurate Environmental Impacts at Early Design Stages in BIM When Using Environmental Product Declaration. A Method to Support Decision-Making

Cited by 37 publications

References 29 publications

Environmental Footprint of Cementitious Adhesives—Components of ETICS

Environmental Footprint of Cementitious Adhesives—Components of ETICS

Exergy-Based Life Cycle Assessment of Buildings: Case Studies

Joint Analysis of Cost and Energy Savings for Preliminary Design Alternative Assessment

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