TY - CONF TI - Bridging Theory and Practice: Evaluating Lean Construction with Lego Simulations C1 - Osaka and Kyoto, Japan C3 - Proceedings of the 33rd Annual Conference of the International Group for Lean Construction (IGLC 33) SP - 1494 EP - 1505 PY - 2025 DO - 10.24928/2025/0201 AU - Gazali, Abdhy AU - Aisyah, Rina Asri AU - Maharani, Yusuf AU - Putra, Prama AU - Ziqri, Alfandi AD - Lecturer, Building Engineering Education, State University of Jakarta (UNJ), Indonesia, abdhy.gazali@unj.ac.id, orcid.org/0009-0004-1391-6533 AD - Practitioner, Indonesian Professional Society in Lean Construction Management (IAMKRI), Indonesia, aisyah_rina@ptpp.co.id, orcid.org/0009-0005-0637-9925 AD - Senior Vice President, Strategy, Engineering, and Technology Division, PTPP, Indonesia, yusuf_maharani@ptpp.co.id, orcid.org/0009-0008-1639-9884 AD - Assistant Professor, Bandung Institute of Technology (ITB), Indonesia, prama.putra@itb.ac.id, orcid.org/0000-0003-4045-9628 AD - Student, Building Engineering Education, State University of Jakarta (UNJ), Indonesia, alfandi_1503622039@mhs.unj.ac.id, orcid.org/0009-0006-0306-4300 ED - Seppänen, Olli ED - Koskela, Lauri ED - Murata , Koichi AB - The construction industry faces ongoing challenges in quantifying the benefits of Lean Construction and the Last Planner System (LPS) in practical applications. To address this issue, the study examines data from 40 LEGO-based construction simulations designed to explore key parameters influencing project outcomes, including cost, waste, time, safety, defects, and Percent Plan Complete (PPC). Using statistical methods like correlation and sensitivity analyses can provide valuable insights. The research identifies cost as the most sensitive factor, while material waste management emerges as a critical driver for improving efficiency. Safety and defect reduction also significantly enhance PPC and overall project performance. By mimicking real-world construction scenarios, these simulations provide valuable insights into the practical application of lean principles. The findings highlight the effectiveness of LEGO construction simulations in bridging the gap between theoretical frameworks and on-site implementation, offering actionable recommendations for optimizing construction processes and advancing lean practices. KW - Lean construction KW - Construction simulation KW - Last Planner System KW - Project performance. PB - T2 - Proceedings of the 33rd Annual Conference of the International Group for Lean Construction (IGLC 33) DA - 2025/06/02 CY - Osaka and Kyoto, Japan L1 - http://iglc.net/Papers/Details/2374/pdf L2 - http://iglc.net/Papers/Details/2374 N1 - Export Date: 07 June 2025 DB - IGLC.net DP - IGLC LA - English ER -