Karaz, Mahmoud Abdel Fattah Abdel Athim (2024) Construction waste management model for contractors using lean and BIM tools. PhD thesis, Universidade do Minho, Portugal.
Abstract
Construction waste remains a significant challenge for the industry, hindering productivity and discouraging innovation. Various reports outline its adverse impacts, such as hurdling environmental, economic, and social sustainability development. Academics, regulators and professional societies continuously call for a zero-waste industry. However, achieving this ambitious objective remains contrary to the actual situation, with the existing regulations, policies and practices still originating from traditional construction management processes that focus on treating wastes as they are, in the end, instead of starting from the source of waste generation. This thesis focuses on the exploration of the pervasive problem of Making-Do (MD) waste in construction projects, with the use of Lean Construction (LC) principles, particularly the Last Planner System (LPS) enhanced by Building Information Modelling (BIM), to develop mitigation strategies for MD. MD waste generated by undertaking construction tasks without the required prerequisites causes inefficiency, increased cost and reduced quality within a project. Initially, the systematic literature review identified limited knowledge of MD waste and the lack of an integrated approach for mitigating it. This research then reviews the factors behind MD waste, elements of MD waste, and its effects by synthesizing the outcomes of literature review and structured questionnaires. Based on this evaluation, potential causes of MD waste can pertain to planning, communication, and knowledge among workers. Based on these result, the research has created a new System Dynamic Model - the Dynamic Model for Making-Do Mitigation (D3M) to model and assess the effects of LPS and BIM on MD waste reduction. D3M combines results from the questionnaire surveys and case studies of multistorey condominium projects where technical and social aspects are quantified to provide general trends in generating and propagating MD waste. The model enables various LPS-BIM implementation scenarios to be tested in terms of their effectiveness in reducing MD waste and enhancing project outcomes. Findings highlight the importance of collaborative planning and constraint analysis, transparent information sharing through BIM, and a culture prioritising MD waste prevention and resolution. Thus, this research offers an application model and a model-based simulation tool (D3M), to the LPS-BIM integration practice for MD waste minimisation to benefit practitioners and researchers in enhancing the chances of success in construction projects.
| Item Type: | Thesis (Doctoral) |
|---|---|
| Thesis advisor: | Teixeira, José Manuel Cardoso |
| Index terms: | society, systematic literature review, regulator, minimization, prioritizing, simulation tool, social aspect, building information modelling, project outcome, literature review, collaborative planning, information sharing, resolution, construction project, strategy, practitioner, effectiveness, regulation, questionnaire, waste generation, last planner system, implementation, integrated approach, exploration, mitigation, case study, waste reduction, construction waste, survey, social sustainability, lean construction, prevention, traditional construction, integration, productivity |
| Subjects: | sustainability assessment, environmental resource management, algorithms, contractual arrangements, decision analysis, building construction, data analysis and analytics, analytical methods, practitioner, conflict resolution, project completion, political science, organizational analysis, waste management, production management, urban planning, communities and social development, research evaluation and metrics, performance management, data exchange, financial risk, sociology, heritage and conservation, environmental impact, data collection methods, project controls, management, information systems |
| Topics: | Roles and Professions, Project Management, Research Practice, Organizational Design, Cost Management, Business Strategy, Procurement, Time Control, Stakeholder Management, Engineering Principles, Sustainability, Site Management, Quality Management, Digital Applications, Governance, Risk Management, Design Practice |
| Descriptive scope: | 4 PCEA |
N.B. Descriptive scope is a count of how many of the five facets of empirical research are indicated by the words used in title, abstract and keywords. It is not intended as a judgement on the research; merely a count of the kind of word we would expect to indicate Phenomenon, Concepts, Theoretical framing, Empirical techniques, Analytical techniques. If all five are present, then a code of “5 PCTEA” will indicate this. If you feel the coding for this record is questionable, we welcome discussion around the terms we matched or the way we categorized them. The facet you would expect may not be coded, or a facet may be coded inappropriately. This can also bear on a larger question, of which facets should be treated as defining in construction management research. Please get in touch, and we will look at it. More details here