Abstract
Defect management (DM) for quality inspection (QI) is a major strategy employed by general contractors to enhance construction management of building projects. However, there are significant issues in construction DM in standard practice that affects quality inspection, including protracted procedures, data entry redundancies, confusion, and inefficient information management. Recognition of these construction DM issues, this paper proposes a new and practical approach that applies Building Information Modeling (BIM) technology to quality inspection and defect management. Specifically, BIM digitally contains precise geometry and relevant data needed to support building structures to describe 3D object-oriented CAD. Using BIM technology, this study proposes a BIM-based Defect Management (BIMDM) system by on-site quality managers during the construction phase. The intended approach integrates web and BIM technologies in the BIMDM system to illustrate and analyze defect information at the jobsite in real time. The anticipated result is the effectively managed status and results of the corrective works performed. The BIMDM system is applied in a selected case study of a building project in Taiwan to verify the proposed approach and demonstrate the effectiveness of defect management practice. Utilizing the BIMDM system, on-site quality managers are better able to track and manage defects with BIM models through accurate records and photos. The combined results of the study demonstrate that a BIMDM-like system can be an effective visual defect management platform when integrating BIM and web technologies. The advantage of the BIMDM system lies not only in improving defect management efficiency for on-site quality engineers and managers, but also in facilitating easy quality inspection while identifying and communicating in the 3D BIM environment. As such, authors expect that effective use of the proposed BIMDM would significantly assist on-site quality engineers and managers to systematically handle defect management work using BIM technologies in future construction projects.
Highlights
Defect management (DM) is a critically important strategy during the production phase in construction management
On-site quality engineers find it inconvenient to handle quality inspection (QI) work by relying on paper-based documents. these engineers claim it is formidable to refer to the QI record for DM for determining the defect location based on 2D drawings
Experimental results demonstrate that the BIMDM system can significantly enhance defect management for the quality inspection process when using Building Information Modeling (BIM) technology integrated with web technology
Summary
Defect management (DM) is a critically important strategy during the production phase in construction management. On-site quality engineers usually refer to information such as specifications, checklists, maintenance reports, and maintenance records; they must record inspection (such as inventory confirmation) and QI results on hard copies in the site office. Such means of communicating information between an on-site office and a construction site are ineffective and problematic. The primary objectives of this study include (1) to apply BIM technology to increase the efficiency of QI work in the DM visualization process, (2) to integrate BIM and web technologies to link related BIM models effectively for QI and DM, and (3) to develop a web-based portal to provide wireless communication of real-time DM information between a construction site and a main office. The combined results demonstrate that the BIMDM system can be a useful BIM-based QI and DM platform by integrating the BIM and web technologies
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