| Summary: | A common underlying cause of construction project hurdles, particularly in developing countries, is avoidable project performance delays. Malaysia is no exception, with nearly 80% of traditionally procured projects experiencing time overruns. Delays can contribute to increased construction costs, lost revenue due to inefficient production, and termination of contract. The Malaysian construction project's planning and cost behaviour outlined that construction projects' total cost behaviour is unsatisfactory, necessitating extreme caution. Lean construction (LC) is suggested as a solution to the problem of construction waste. LC is a construction project continuous quality improvement process that assists a construction company in maintaining profitable growth. This primary research aims to develop an LC tools framework that can enhance the contractor’s time performance by minimising construction wastes at the site. The purpose of this paper is to identify the implementation of LC tools in reducing construction waste and determining the most critical LC tools in improving time performance in the Malaysian construction industry. To achieve the objectives of this paper, a quantitative method approach was used, and a questionnaire survey was distributed to 310 contractors in Malaysia. The CIDB directory was being used to recognise the contractors registered with the Construction Industry Development Board Malaysia (CIDB) in the G7 categories. Within eight months, 116 questionnaires were returned, with a response rate of 37.4%. The findings revealed that most LC tools implemented to reduce the delay construction waste were teamwork, concurrent engineering, and management contracts. The results also showed that the top two most critical LC tools that impacted time performance in the Malaysian construction industry were total quality management and teamwork if a construction project faces a delay construction waste. It is hoped that having the LC tools framework will improve time performance and reduce construction project delays. As a result, it can increase future construction productivity and transition from its traditional construction method to a greener and more sustainable approach. © 2021, Construction Research Institute of Malaysia. All rights reserved.
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