Key factors affecting prefabricated and prefinished volumetric construction (PPVC) project success in the Singapore construction industry – case study on Tampines GreenGem

Abstract

With the comprehensive coverage of global urbanization construction and the continuous research and development of new technologies and materials, the traditional construction industry has achieved significant development, accompanied by the emergence of more and more construction techniques. Prefabricated Prefabricated Volumetric Construction (PPVC), as an innovative construction method, has shown great potential in improving construction efficiency, reducing costs, and ensuring quality. This study takes the Tampines GreenGem project in Singapore as a case study to investigate the key factors that affect the success of PPVC projects, with a focus on analyzing the impact of time, quality, and cost on the success of PPVC projects. Through literature review and data analysis, this study first explores the concept, development history, and main characteristics of the PPVC building system, and summarizes the impact mechanisms of time, quality, and cost on project success. Subsequently, the case data was analyzed using the method of standard deviation and severity index, revealing the priority and importance of each key factor. Research has found that the efficiency of module transportation, quality inspection during module production, and control of material costs are the core factors affecting the success of PPVC projects. In response to the above issues, this study proposes corresponding optimization suggestions. In terms of time management, it is recommended to use Building Information Modeling (BIM) to optimize construction plans and establish a flexible schedule mechanism to address uncontrollable factors. In terms of quality control, it is recommended to introduce third-party testing agencies to improve the accuracy of module installation and strengthen the quality supervision of contractors. In terms of cost optimization, it is recommended to optimize supply chain management, introduce cost control tools, and promote technological innovation to reduce overall costs. This study provides theoretical basis and practical guidance for the systematic management of PPVC projects, and also points out future research directions, including expanding the sample size of cases, exploring the impact of technological innovation, and constructing dynamic collaborative models. This study aims to provide reference for the development of PPVC building systems in Singapore and globally.