Analysis of ISO 9001:2015 Quality Management System Implementation on Project Quality in Building Construction

ISO 9001:2015, Quality Management System, Building Construction, Multiple Regression Analysis, IPA Method Analysis.

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March 27, 2025

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During construction, many failures and reworks still occurred, indicating a low awareness of the importance of adhering to quality standards in construction implementation. These shortcomings can negatively impact construction work. A quality management system is essential for managing the construction industry to enhance work quality effectively and efficiently. By implementing the ISO 9001:2015 quality management system, companies can properly control all activities and minimize repetitive work. This study aimed to identify the dominant factors influencing the ISO 9001:2015 quality management system and evaluate its application to the quality of work in building construction projects. Data collection was conducted through surveys using questionnaires, with respondents consisting of stakeholders directly involved in project implementation in Malang. The data were analyzed using multiple regression analysis to identify the dominant factors among the ISO 9001:2015 quality management system clauses and the Importance-Performance Analysis (IPA) method to assess the impact of the system's implementation on project quality. The study identified four quality management system factors that significantly affect project quality, with "Relationship Management" being the most dominant factor. Furthermore, the implementation results of the quality management system demonstrated exemplary achievements in "Customer Scope" and "Relationship Management”.