Kitting logistics solution for improving on-site work performance in construction projects

Material kitting has been proposed as an effective solution to organize just-in-time (JIT) material deliveries around assembly tasks; however, its applicability and impact on construction projects has not been thoroughly studied. The purpose of this research is to evaluate the applicability of kitting by focusing on its impact on work performance and requirements for management. The authors conducted a case study to analyze a kitting intervention in a general contractor and logistics company, comparing four renovation projects in the indoor construction phase with and without kitting. Findings indicate that kitting can stabilize assembly work and increase workplace utilization and on-site labor productivity. However, it requires centralized material logistics, smooth information flow between operations, and subcontractors' commitment to the production model. This research contributes to the connection between material logistics and work performance, suggesting that kitting should be linked to a redesign of the general production model toward a synchronized takt-based production system. The research is limited to four projects.