TY - CONF TI - Applying Lean Standard Operating Procedure to Panelized Prefabrication in the Factory AU - Zhou, Leyi AU - Li, Xinming ED - Seppänen, Olli ED - Koskela, Lauri ED - Murata, Koichi PY - 2025 DA - 2025/06/02 T2 - Proceedings of the 33rd Annual Conference of the International Group for Lean Construction (IGLC 33) C3 - Proceedings of the 33rd Annual Conference of the International Group for Lean Construction (IGLC 33) CY - Osaka and Kyoto, Japan SP - 751 EP - 762 DO - 10.24928/2025/0199 SN - 2789-0015 (ISSN) AB - This study investigates the application and significance of Lean Standard Operating Procedures (Lean SOPs) in panelized prefabrication within the construction industry, intending to improve efficiency, safety, and sustainability and accelerate the diffusion of Lean SOPs within the construction industry. As a component of off-site modular construction, panelized prefabrication is widely used for rapid on-site installation and a safer and more convenient off-site manufacturing process. This study develops a Lean SOP framework and evaluates it by tracking and monitoring operational performance using a structured approach of time study, ergonomic risk assessment and expert discussion. After implementing the SOP framework in a case study, the results show that Lean SOPs can reduce time consumption by up to 35%, improve ergonomic safety scores by more than 50%, and reduce hazard levels to acceptable levels, thereby increasing overall productivity. KW - Panelized prefabrication KW - off-site manufacturing KW - SOP KW - efficiency KW - safety L1 - https://www.iglc.net/papers/details/2372/pdf UR - https://www.iglc.net/papers/details/2372 DB - IGLC.net LA - English N1 - Export date: 04 October 2026 ER -