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A Conceptual Model for Transformation of Bill of Materials from Offsite Manufacturing to Onsite Construction in Industrialized House-building
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0001-6373-5352
Department of Architecture and Civil Engineering, Construction Management, Chalmers University of Technology, Sweden.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0002-1744-4981
2020 (English)In: Proceedings of the 37th International Symposium on Automation and Robotics in Construction (ISARC 2020): From Demonstration to Practical Use - To New Stage of Construction Robot - / [ed] Kazuyoshi Tateyama, Kazuo Ishii, Fumihiro Inoue, International Association on Automation and Robotics in Construction , 2020, p. 1106-1113Conference paper, Published paper (Refereed)
Abstract [en]

Lending inspiration from the manufacturing industry, industrialized house-builders have adopted some of its characteristics such as high standardization of configurable products and manufacturing processes. Standardization of product and information flow within industrialized house-building has shown to beneficially increase offsite manufacturing efficiency. They have however not been able to transfer the increase in efficiency to onsite construction, leading to it being one of the key issues resulting in delays. For offsite manufacturing, previous research has suggested Bill of Material (BOM) as a structure to define information for in manufacturing phases. However, due to the variation in workflow between offsite manufacturing and onsite construction, the structure of a BOM for offsite manufacturing cannot be reused in onsite construction, ultimately resulting in increased data redundancy and recreation. A conceptual model of a BOM for onsite construction has been developed inspired by Bill of Materials (BOM), Work Breakdown Structure (WBS), Location Breakdown Structure (LBS), Standard Operating Procedure (SOP) and Work Instructions (WI). The conceptual model utilizes space structure LBS to link spaces with SOPs. Furthermore, it also utilizes WBS to link SOPs with WIs. The BOM for onsite construction is generated by a transformation from offsite manufacturing P-BOM. Streamlining the information flow and transformation between manufacturing and construction phases open the possibility to develop IT-solutions for industrialized house-builders. By developing existing IT-systems to reduce data redundancy, the fragmentation between offsite manufacturing and construction sites could be utilized by reusing existing data. The conceptual model supports multiple information views and allows for information filtering determined by the performed work and project.

Place, publisher, year, edition, pages
International Association on Automation and Robotics in Construction , 2020. p. 1106-1113
Keywords [en]
Bill of Material, Industrialized House-building, Data Redundancy, Work Breakdown Structure, Location Breakdown Structure, Work Instructions, Information filtering, Offsite Manufacturing, Onsite Construction
National Category
Construction Management
Research subject
Construction Management and Building Technology
Identifiers
URN: urn:nbn:se:ltu:diva-81898DOI: 10.22260/ISARC2020/0152Scopus ID: 2-s2.0-85109396370OAI: oai:DiVA.org:ltu-81898DiVA, id: diva2:1507733
Conference
37th International Symposium on Automation and Robotics in Construction (ISARC 2020), 27-28 OCtober, 2020, Kitakyushu, Japan
Funder
Vinnova
Note

ISBN för värdpublikation: 978-952-94-3634-7

Available from: 2020-12-08 Created: 2020-12-08 Last updated: 2024-05-02Bibliographically approved
In thesis
1. Development of Adaptable Information Structures for House-Building Reusability
Open this publication in new window or tab >>Development of Adaptable Information Structures for House-Building Reusability
2024 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The house-building industry is increasingly recognizing the importance of information, viewing it as key for driving sustainable construction. This acknowledgment highlights that informed decision-making, based on the effective use of information, can enhance all phases of house-building. Sustainable house-building demands an integration of diverse information, technologies, and standards, necessitating the increased use of information to support decision-making. In response, the industry is focusing more on the capture, management, and storage of information. Despite significant investments in these areas, the full potential of this information is not yet realized due to the lack of and poor use of structured information systems. Furthermore, the information produced is often tailored for specific segments, leading to the creation of information silos that isolate data, making it difficult to collaborate across different stakeholder groups. While the benefits of structured information are widely acknowledged, the integration of structured data and information technologies in house building is impeded by unintuitive and fragmented information management practices. Additionally, many current information systems in the industry still emulate paper-based document structures, continuing the use of unstructured and non-standardized data. To address these challenges, this thesis explores the development of information structures that facilitate reusability across house-building projects and explores the integration of visualization techniques into these development methodologies. By employing cross-case analysis as the scientific method, this study evaluates findings from multiple cases to identify common themes and patterns, thereby enhancing the understanding of the observed phenomena by effectively comparing and contrasting findings from individual case studies.

The findings of this thesis underscores the delicate balance required in information structures to effectively blend standardization with project-specific flexibility. Effective reuse in house-building necessitates an equilibrium between these approaches to achieve both widespread applicability and project-specific relevance. The case studies analyzed illustrate how navigating this balance can enhance communication, foster collaboration, and ensure adherence to established procedures. This balance is crucial because information visualization can falter when skewed too far towards either extreme of this spectrum. Over-standardization can hinder the application to specific project nuances, while excessive customization may complicate data collection and visualization, requiring substantial resources to format and prepare. Therefore, developing reusable information structures depends on achieving a middle ground that is neither overly standardized nor excessively tailored.

Place, publisher, year, edition, pages
Luleå: Luleå University of Technology, 2024
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
Keywords
Standardization, Project-Unique, Reusability, Flexibility, Information Structures, Breakdown Structures, Digitalization
National Category
Construction Management Building Technologies
Research subject
Construction Management and Building Technology
Identifiers
urn:nbn:se:ltu:diva-105320 (URN)978-91-8048-566-1 (ISBN)978-91-8048-567-8 (ISBN)
Public defence
2024-06-14, E632, Luleå University of Technology, Luleå, 11:00 (English)
Opponent
Supervisors
Available from: 2024-05-03 Created: 2024-05-02 Last updated: 2024-05-24Bibliographically approved

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Hussamadin, RaafatJansson, Gustav

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