Sustainability assessment for construction projects: A cost-sustainability tradeoff approach
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Cited by 2 publications
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Impact of total quality management on the sustainable performance in the Palestinian construction industry
PurposeThe main goal of this study is to investigate the impact of total quality management (TQM) on the three pillars (economic, environmental and social) of sustainable performance in the Palestinian construction industry. More specifically, it first assesses the current implementation levels of TQM practices and the socio-economic and environmental sustainable performance metrics in the industry. Then, it specifies the correlational relationship between the implementation of the TQM practices and the sustainable performance in the construction industry in Palestine.Design/methodology/approachTo this end, a quantitative research approach via a self-administered questionnaire approach was adopted, where six TQM practices have been obtained from the Malcolm Baldrige National Quality Award (MBNQA), with some adjustments made in accordance with their importance in the literature review. The targeted population is the construction firms in Palestine, where the data have been obtained from a sample of 66 supervisor engineers working in these firms through a quantitative questionnaire. Regarding the analysis of the conceptual framework and testing the proposed hypotheses, the structural equation modeling (SEM) has been adopted through Smart-PLS software.FindingsThe results indicate a positive and significant relationship between TQM practices and sustainable performance. More specifically, it has been found the levels of implementation of TQM practices and sustainable performance metrics were moderate. Also, it has been revealed that TQM practices positively impact the economic, environmental and social sustainable performance in the Palestinian construction industry.Practical implicationsInvestigating the impact of TQM on sustainable performance in this unique challenging context provides a set of valuable implications that extend existing theories and practical guidelines for practitioners and policy makers in the construction industry. More specifically, the study highlights the TQM theory by proving its applicability and effectiveness in conflict-influenced and resource-limited contexts. It also contributes to the sustainable performance theory by integrating the three pillars of sustainable performance in the construction industry in a developing country. Practically, the study offers different stakeholders in this industry with practical actions and insights to facilitate the implementation of TQM to enhance sustainable performance.Originality/valueThis research bridges the gap between TQM and the three pillars of sustainable performance, especially in the construction industry in a developing country context with a unique particularity represented by complicated political instability, never-ending conflict and constrained-resources scarcity and access. This research also supports the TQM advocate’s argument that effective TQM deployment can dramatically improve sustainable organizational performance. Additionally, to the best of the authors' knowledge, this is the first study that addresses the impact of TQM and sustainable performance in the Palestinian construction industry and the one that adopted the PLS-SEM approach for analysis.
Impact of total quality management on the sustainable performance in the Palestinian construction industry
PurposeThe main goal of this study is to investigate the impact of total quality management (TQM) on the three pillars (economic, environmental and social) of sustainable performance in the Palestinian construction industry. More specifically, it first assesses the current implementation levels of TQM practices and the socio-economic and environmental sustainable performance metrics in the industry. Then, it specifies the correlational relationship between the implementation of the TQM practices and the sustainable performance in the construction industry in Palestine.Design/methodology/approachTo this end, a quantitative research approach via a self-administered questionnaire approach was adopted, where six TQM practices have been obtained from the Malcolm Baldrige National Quality Award (MBNQA), with some adjustments made in accordance with their importance in the literature review. The targeted population is the construction firms in Palestine, where the data have been obtained from a sample of 66 supervisor engineers working in these firms through a quantitative questionnaire. Regarding the analysis of the conceptual framework and testing the proposed hypotheses, the structural equation modeling (SEM) has been adopted through Smart-PLS software.FindingsThe results indicate a positive and significant relationship between TQM practices and sustainable performance. More specifically, it has been found the levels of implementation of TQM practices and sustainable performance metrics were moderate. Also, it has been revealed that TQM practices positively impact the economic, environmental and social sustainable performance in the Palestinian construction industry.Practical implicationsInvestigating the impact of TQM on sustainable performance in this unique challenging context provides a set of valuable implications that extend existing theories and practical guidelines for practitioners and policy makers in the construction industry. More specifically, the study highlights the TQM theory by proving its applicability and effectiveness in conflict-influenced and resource-limited contexts. It also contributes to the sustainable performance theory by integrating the three pillars of sustainable performance in the construction industry in a developing country. Practically, the study offers different stakeholders in this industry with practical actions and insights to facilitate the implementation of TQM to enhance sustainable performance.Originality/valueThis research bridges the gap between TQM and the three pillars of sustainable performance, especially in the construction industry in a developing country context with a unique particularity represented by complicated political instability, never-ending conflict and constrained-resources scarcity and access. This research also supports the TQM advocate’s argument that effective TQM deployment can dramatically improve sustainable organizational performance. Additionally, to the best of the authors' knowledge, this is the first study that addresses the impact of TQM and sustainable performance in the Palestinian construction industry and the one that adopted the PLS-SEM approach for analysis.
A Mathematical Model for Optimizing NPV and Greenhouse Gases for Construction Projects Under Carbon Emissions Constraints
Traditionally, projects have been scheduled with a primary focus on optimizing economic benefits, often at the expense of environmental considerations. However, in today's context, there is an increasing societal demand for organizations to incorporate sustainability practices into their project management policies. This research aims to address this pressing issue by developing a comprehensive mathematical model that takes into account two crucial objectives: project net present value (NPV) and greenhouse gas (GHG) emissions. This model introduces carbon emission constraints on a per-period basis, alongside the usual precedence and resource constraints. the problem represented by this model is proven to be NP-hard, which adds complexity to its solution. To tackle this challenge, two multi-objective metaheuristic algorithms, specifically the Modified Grey Wolf Optimizer (MGWO) and the Strength Pareto Evolutionary Algorithm 2 (SPEA2), have been employed to solve the model. Extensive comparative analyses of these me-ta heuristics across various multi-objective performance measures indicate that MGWO consistently outperforms SPEA2 in most scenarios. To illustrate the practical applicability of the pro-posed model, a real-world case study has been utilized. The results of this case study offer compelling insights, showing that project NPV can be significantly improved with only a marginal increase in GHG emissions. This finding highlights the model's potential to provide pragmatic solutions and valuable trade-off options for project planners and practitioners striving to balance economic objectives with environmental sustainability.
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