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Understanding the global warming potential of circular design strategies: Life cycle assessment of a design-for-disassembly building

Matthew Roberts, Stephen Allen, Joanna Clarke, Justin Searle Orcid Logo, David Coley

Sustainable Production and Consumption, Volume: 37, Pages: 331 - 343

Swansea University Authors: Joanna Clarke, Justin Searle Orcid Logo

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DOI (Published version): 10.1016/j.spc.2023.03.001

Abstract

Targets for carbon emissions and energy use are set within the built environment to drive change and reach net-zero by 2050. Meanwhile, circular design strategies, including design-for-disassembly (DfD), are promoted to address waste production, raw material usage and lack of reuse, however their en...

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Published in: Sustainable Production and Consumption
ISSN: 2352-5509
Published: Elsevier BV 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa62891
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Meanwhile, circular design strategies, including design-for-disassembly (DfD), are promoted to address waste production, raw material usage and lack of reuse, however their environmental impacts are not always measured. Therefore, a process-based life cycle assessment of a DfD building has been performed to assess its environmental impacts across 18 impact categories. The results are compared against industry target values for global warming potential (GWP100), energy use and material reuse to assess whether current targets are effective for assessing a broad range of sustainability principles. For the product and construction stages, the rank order of the main contributors to GWP100 is representative of 8 of the 18 impact categories. The superstructure and building services account for at least 75&#x202F;% of the total impacts for product and construction stage across all impact categories. Compared against industry target values, the case study building has a GWP100 that is 26&#x202F;% below baseline industry target values for the product and construction stage, operates using less energy than targets for education and office buildings, and has been designed to enable the reuse of 65&#x202F;%, by mass, of the substructure and superstructure at end-of-life. Current target values focus on driving reductions in GWP100 while maintaining low operational energy use, but do not fully capture the benefits from increasing material reuse through circular and DfD strategies. Patterns within assessed impact categories need to be further investigated to develop target values capable of representing a range of impact categories and material circularity.</abstract><type>Journal Article</type><journal>Sustainable Production and Consumption</journal><volume>37</volume><journalNumber/><paginationStart>331</paginationStart><paginationEnd>343</paginationEnd><publisher>Elsevier BV</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>2352-5509</issnPrint><issnElectronic/><keywords>Design-for-disassembly, Life cycle assessment, Net-zero carbon, Target values, Decarbonisation, Built environment</keywords><publishedDay>1</publishedDay><publishedMonth>5</publishedMonth><publishedYear>2023</publishedYear><publishedDate>2023-05-01</publishedDate><doi>10.1016/j.spc.2023.03.001</doi><url>http://dx.doi.org/10.1016/j.spc.2023.03.001</url><notes/><college>COLLEGE NANME</college><department>Materials Science and Engineering</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>MTLS</DepartmentCode><institution>Swansea University</institution><apcterm/><funders>EPSRC, ERDF</funders><projectreference>EP/V012053/1, EP/V047027/1, EP/V012053/1, 80892</projectreference><lastEdited>2023-04-18T13:20:15.6570256</lastEdited><Created>2023-03-09T08:39:45.0398608</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Engineering and Applied Sciences - Materials Science and Engineering</level></path><authors><author><firstname>Matthew</firstname><surname>Roberts</surname><order>1</order></author><author><firstname>Stephen</firstname><surname>Allen</surname><order>2</order></author><author><firstname>Joanna</firstname><surname>Clarke</surname><orcid/><order>3</order></author><author><firstname>Justin</firstname><surname>Searle</surname><orcid>0000-0003-1101-075X</orcid><order>4</order></author><author><firstname>David</firstname><surname>Coley</surname><order>5</order></author></authors><documents><document><filename>62891__26898__0e51e1fe4a164904bbdd065484fa935a.pdf</filename><originalFilename>62891.pdf</originalFilename><uploaded>2023-03-20T10:10:20.8743194</uploaded><type>Output</type><contentLength>2442617</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>This is an open access article under the CC BY license</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language><licence>http://creativecommons.org/licenses/by/4.0/</licence></document></documents><OutputDurs/></rfc1807>
spelling 2023-04-18T13:20:15.6570256 v2 62891 2023-03-09 Understanding the global warming potential of circular design strategies: Life cycle assessment of a design-for-disassembly building c31667cbb6cb0f40a919b21756380a0b Joanna Clarke Joanna Clarke true false 0e3f2c3812f181eaed11c45554d4cdd0 0000-0003-1101-075X Justin Searle Justin Searle true false 2023-03-09 MTLS Targets for carbon emissions and energy use are set within the built environment to drive change and reach net-zero by 2050. Meanwhile, circular design strategies, including design-for-disassembly (DfD), are promoted to address waste production, raw material usage and lack of reuse, however their environmental impacts are not always measured. Therefore, a process-based life cycle assessment of a DfD building has been performed to assess its environmental impacts across 18 impact categories. The results are compared against industry target values for global warming potential (GWP100), energy use and material reuse to assess whether current targets are effective for assessing a broad range of sustainability principles. For the product and construction stages, the rank order of the main contributors to GWP100 is representative of 8 of the 18 impact categories. The superstructure and building services account for at least 75 % of the total impacts for product and construction stage across all impact categories. Compared against industry target values, the case study building has a GWP100 that is 26 % below baseline industry target values for the product and construction stage, operates using less energy than targets for education and office buildings, and has been designed to enable the reuse of 65 %, by mass, of the substructure and superstructure at end-of-life. Current target values focus on driving reductions in GWP100 while maintaining low operational energy use, but do not fully capture the benefits from increasing material reuse through circular and DfD strategies. Patterns within assessed impact categories need to be further investigated to develop target values capable of representing a range of impact categories and material circularity. Journal Article Sustainable Production and Consumption 37 331 343 Elsevier BV 2352-5509 Design-for-disassembly, Life cycle assessment, Net-zero carbon, Target values, Decarbonisation, Built environment 1 5 2023 2023-05-01 10.1016/j.spc.2023.03.001 http://dx.doi.org/10.1016/j.spc.2023.03.001 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University EPSRC, ERDF EP/V012053/1, EP/V047027/1, EP/V012053/1, 80892 2023-04-18T13:20:15.6570256 2023-03-09T08:39:45.0398608 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Matthew Roberts 1 Stephen Allen 2 Joanna Clarke 3 Justin Searle 0000-0003-1101-075X 4 David Coley 5 62891__26898__0e51e1fe4a164904bbdd065484fa935a.pdf 62891.pdf 2023-03-20T10:10:20.8743194 Output 2442617 application/pdf Version of Record true This is an open access article under the CC BY license true eng http://creativecommons.org/licenses/by/4.0/
title Understanding the global warming potential of circular design strategies: Life cycle assessment of a design-for-disassembly building
spellingShingle Understanding the global warming potential of circular design strategies: Life cycle assessment of a design-for-disassembly building
Joanna Clarke
Justin Searle
title_short Understanding the global warming potential of circular design strategies: Life cycle assessment of a design-for-disassembly building
title_full Understanding the global warming potential of circular design strategies: Life cycle assessment of a design-for-disassembly building
title_fullStr Understanding the global warming potential of circular design strategies: Life cycle assessment of a design-for-disassembly building
title_full_unstemmed Understanding the global warming potential of circular design strategies: Life cycle assessment of a design-for-disassembly building
title_sort Understanding the global warming potential of circular design strategies: Life cycle assessment of a design-for-disassembly building
author_id_str_mv c31667cbb6cb0f40a919b21756380a0b
0e3f2c3812f181eaed11c45554d4cdd0
author_id_fullname_str_mv c31667cbb6cb0f40a919b21756380a0b_***_Joanna Clarke
0e3f2c3812f181eaed11c45554d4cdd0_***_Justin Searle
author Joanna Clarke
Justin Searle
author2 Matthew Roberts
Stephen Allen
Joanna Clarke
Justin Searle
David Coley
format Journal article
container_title Sustainable Production and Consumption
container_volume 37
container_start_page 331
publishDate 2023
institution Swansea University
issn 2352-5509
doi_str_mv 10.1016/j.spc.2023.03.001
publisher Elsevier BV
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
url http://dx.doi.org/10.1016/j.spc.2023.03.001
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description Targets for carbon emissions and energy use are set within the built environment to drive change and reach net-zero by 2050. Meanwhile, circular design strategies, including design-for-disassembly (DfD), are promoted to address waste production, raw material usage and lack of reuse, however their environmental impacts are not always measured. Therefore, a process-based life cycle assessment of a DfD building has been performed to assess its environmental impacts across 18 impact categories. The results are compared against industry target values for global warming potential (GWP100), energy use and material reuse to assess whether current targets are effective for assessing a broad range of sustainability principles. For the product and construction stages, the rank order of the main contributors to GWP100 is representative of 8 of the 18 impact categories. The superstructure and building services account for at least 75 % of the total impacts for product and construction stage across all impact categories. Compared against industry target values, the case study building has a GWP100 that is 26 % below baseline industry target values for the product and construction stage, operates using less energy than targets for education and office buildings, and has been designed to enable the reuse of 65 %, by mass, of the substructure and superstructure at end-of-life. Current target values focus on driving reductions in GWP100 while maintaining low operational energy use, but do not fully capture the benefits from increasing material reuse through circular and DfD strategies. Patterns within assessed impact categories need to be further investigated to develop target values capable of representing a range of impact categories and material circularity.
published_date 2023-05-01T04:23:16Z
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