Performance-Based Evaluation of Lean Construction Tools

Abstract

The implementation of Lean Construction (LC) in construction projects relies on a multitude of tools, systems, and facilitators. However, evaluation of these tools in line with LC principles, functions, and project performance remains limited. To address this gap, this study is carried out to map lean tools to relevant lean principles and functions, subsequently assessing their performance based on cost, time, and productivity through a systematic literature review and case studies. Performance-based evaluation revealed that each lean tool impacts cost, time, and productivity, albeit to varying degrees. Notably, the last planner system emerged as a key facilitator, significantly contributing to the implementation of 13 lean principles and 26 lean functions. However, no single tool was found capable of implementing all the principles and functions simultaneously. By conducting a detailed evaluation, it is identified that implementing all lean principles and functions in a single project necessitates a combination of tools. As a result of this study, practitioners are empowered to identify the optimal combination of Lean tools and systems for their construction projects. This knowledge will pave the way for full-fledged implementation of LC, resulting in improved project outcomes in terms of waste reduction, and overall performance