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Development of Adaptable Information Structures for House-Building Reusability
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0001-6373-5352
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 [en]
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: urn:nbn:se:ltu:diva-105320ISBN: 978-91-8048-566-1 (print)ISBN: 978-91-8048-567-8 (electronic)OAI: oai:DiVA.org:ltu-105320DiVA, id: diva2:1855711
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
List of papers
1. Process Platforms for Onsite Assemblies: A Case Study of Work Break Down Structures in SMEs
Open this publication in new window or tab >>Process Platforms for Onsite Assemblies: A Case Study of Work Break Down Structures in SMEs
Show others...
2020 (English)In: ICCREM 2020: Intelligent Construction and Sustainable Buildings: Proceedings of the International Conference on Construction and Real Estate Management 2020 / [ed] Yaowu Wang, Thomas Olofsson, Geoffrey Q. P. Shen, American Society of Civil Engineers (ASCE), 2020, p. 190-197Conference paper, Published paper (Refereed)
Abstract [en]

Industrialized house-building companies predefine parameters in platforms. To identify processes platforms the use of work break down structures that support the assembly processes for small house building companies were studied. A case study of the onsite assembly activities were chosen at one small Swedish house builder that offer customization within their products. Based on the assembly processes, a work breakdown structure of the workflow predefinitions was identified for the process that didn’t compromise with product customization. Small companies can predefine elements within the product to simplify the work process on site. The work break down structure becomes a tool to find parts and process that predefine a house building platform. It can also be used for planning, delivery, cost, and resources in an overall view of the project. Because of the importance of planning during projects, together with the possible standardization of the company’s process, the use of a work break down could contribute to increase efficiency for onsite work.

Place, publisher, year, edition, pages
American Society of Civil Engineers (ASCE), 2020
National Category
Construction Management
Research subject
Construction Management and Building Technology
Identifiers
urn:nbn:se:ltu:diva-81174 (URN)10.1061/9780784483237.023 (DOI)2-s2.0-85108172776 (Scopus ID)
Conference
2020 International Conference on Construction and Real Estate Management (ICCREM 2020), 24-25 August, 2020, Virtual
Note

ISBN för värdpublikation: 978-0-7844-8323-7

Available from: 2020-10-19 Created: 2020-10-19 Last updated: 2024-05-02Bibliographically approved
2. A Method to Produce & Visualize Interactive Work Instructions for Modular Products within Onsite Construction
Open this publication in new window or tab >>A Method to Produce & Visualize Interactive Work Instructions for Modular Products within Onsite Construction
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. 48-55Conference paper, Published paper (Refereed)
Abstract [en]

Well detailed, informative and accurate work instructions are a necessity to mitigate delays in construction. Today, this is done through a combination of shop drawings, documents, sheets, work pre-planning meetings and onsite verbal work instructions to transfer knowledge and information between all actors. Due to the subjectivity of these methods, many incorrect assumptions and man-made errors originated from miscommunication and misinterpretation can occur. Such issues are tough to identify prior to their occurrence on construction sites, leading to construction delays. Virtual Reality (VR) technology can simulate and visualize assembly processes using Standard Operating Procedure (SOP). The visualization aims to ensure a quality communication with skilled workers and to aid their interpretation of SOPs by reducing assumptions. As a result of a more effective education, it can support the collaboration between actors. Utilization of SOPs for visualization of Work Instructions (WI) and assembly processes are important, because many process WIs on construction sites are repetitive. Modularity can increase the efficiency by supporting instancing and variation creation of construction tasks and products. Interactivity can support the continuously changing status and demands of construction sites. A method has been iteratively developed to support visualization of modular and interactive SOPs within the context of industrialized house-building (IHB), to increase the quality and consistency of communication at construction sites. Concurrently to development of the method, a prototype using VR technology was developed. Interactive functionalities along with VR technology make it possible to adjust SOP and WI modules to suit the demands and conditions of the construction site, including real-time. As a result, the developed method is responsive and adjustable to conditions such as weather, man-made errors, assembly re-sequencing and re-scheduling. Combining product design, SOPs, WIs and assembly process in early stages of construction has shown to help identify potential issues and aid in planning for cautious measurements. Results show that by using the developed method, skilled workers were able to identify occurring miscommunications, and misinterpretations between them, site managers and foremen as well as ensuring their understanding.

Place, publisher, year, edition, pages
International Association on Automation and Robotics in Construction, 2020
Keywords
Virtual Reality, Standard Operation Procedure, Work Instruction, Process Visualization, Interactive, Modular
National Category
Construction Management
Research subject
Construction Management and Building Technology
Identifiers
urn:nbn:se:ltu:diva-81899 (URN)10.22260/ISARC2020/0008 (DOI)2-s2.0-85109382885 (Scopus ID)
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
3. A Conceptual Model for Transformation of Bill of Materials from Offsite Manufacturing to Onsite Construction in Industrialized House-building
Open this publication in new window or tab >>A Conceptual Model for Transformation of Bill of Materials from Offsite Manufacturing to Onsite Construction in Industrialized House-building
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
Keywords
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:nbn:se:ltu:diva-81898 (URN)10.22260/ISARC2020/0152 (DOI)2-s2.0-85109396370 (Scopus ID)
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
4. Digital Quality Control System—A Tool for Reliable On-Site Inspection and Documentation
Open this publication in new window or tab >>Digital Quality Control System—A Tool for Reliable On-Site Inspection and Documentation
2023 (English)In: Buildings, E-ISSN 2075-5309, Vol. 13, no 2, article id 358Article in journal (Refereed) Published
Abstract [en]

The construction industry has seen an increase in its complexity. This has meant an increased need for time-consuming and costly quality control. Moreover, the construction industry continues to perform detection-based quality controls with little to no focus on prevention. Quality control documentation is a source of information and data that can support the development of construction processes toward prevention. However, current documentations are ambiguous and subjective, so they remain ineffectual. A case study was performed to explore the causes of the ambiguity and subjectivity of traditional quality control documentation, and to analyze the identified project-variable procedure’s transformation into standardized or even automated documentation. Evaluating the traditional quality control’s preparation, inspection, and documentation phases highlighted unique challenges requiring tailored solutions. This study identifies the challenges of inaccurate data creation and data entry, unusable documentation, and inefficient documentation. Therefore, the usefulness of data structuring and process standardization became apparent. Hence, the study explores two solutions: a digitalized quality control system (DQCS) that ensures one accurate structured data entry method, and a centralized unit that prepares the necessary data for quality control inspections, instead of the unique preparation for each project. The results show the benefits of increased accuracy, usability, and efficiency for reliable on-site inspection and documentation.

Place, publisher, year, edition, pages
MDPI, 2023
Keywords
quality control, centralization, standardization, automation, digitalization
National Category
Construction Management
Research subject
Construction Management and Building Technology
Identifiers
urn:nbn:se:ltu:diva-95479 (URN)10.3390/buildings13020358 (DOI)2-s2.0-85149236136 (Scopus ID)
Funder
Vinnova, 2017-05202
Note

Validerad;2023;Nivå 2;2023-02-01 (sofila)

Available from: 2023-02-01 Created: 2023-02-01 Last updated: 2024-05-02Bibliographically approved

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Hussamadin, Raafat

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Citation style
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  • Other locale
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Output format
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