This research paper aims to contribute to the improvement of sustainable management of Peruvian buildings throughout the project lifecycle by integrating the Lean Construction philosophy and sustainability concepts through the Delphi method. First, the literature is reviewed and the existing information on compatibility or synergy between Lean Construction and sustainability management systems is analyzed. After that, with the support of a collaborating company, a methodology for evaluating sustainability performance in projects is developed, which integrates the Last Planner® System and sustainability management. The proposed tool is validated by the Delphi method, for which we solicited expert opinions on the study topics. Next, the proposed methodology protocols corresponding to the evaluation of the design, construction, and use phases of the buildings are developed. Finally, the methodology is applied to five case studies, the results are analyzed, and the methodology is validated. Throughout the research, the principles, tools, techniques, and practices of the Lean philosophy are analyzed, which synergize with the methodologies, standards, and tools of sustainability management.
In recent years, sustainability management has become very important in order to achieve the goal that present and future generations can live in a better world, where economic, social and environmental aspects are balanced in harmony. On the other hand, there is a large amount of literature that shows that the application of Lean tools improves the indicators of work accidents and optimizes the management of resources in the project life cycle, making them more sustainable. In fact, experiences of the application of Lean principles and sustainable tools have been disseminated, but few studies have addressed a proposal for a framework or methodology that systematically integrates both approaches. This article presents a review of the literature of the main studies that address the implementation of Lean principles and environmental sustainability management. and proposes a model for evaluating sustainable management performance in building projects where Lean tools are implemented. The methodology used is based on a literature review, in which information was gathered from the documents of the International Conference on Lean Construction (IGLC) and a set of specialized journals on the topics of Lean Construction, Sustainable Management and key performance indicators (KPIs).This document aims to develop a model for evaluating the performance of Environmental sustainability, integrating Lean Construction and Sustainable Management in buildings, using the Delphi method, to reduce damage and unnecessary use of natural resources.
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