Author:
Bhonde Devarsh,Zadeh Puyan,Staub-French Sheryl
Abstract
The Operation and Maintenance (O&M) phase can account for as much as 80% of the overall lifecycle cost of a project. The inputs from O&M practitioners are often not incorporated during the design phase leading to maintainability issues during the O&M phase, which results in significant costs and hinders building performance. Traditionally, design communication with practitioners is conducted using 2D drawings and in some more advanced projects, with Building Information Models (BIMs). Virtual Reality (VR) has the potential to facilitate maintainability-focused design input from O&M practitioners, but this application has not been studied in detail. This paper addresses the gap by examining the usability of VR for providing access-related maintainability inputs. A quasi-experimental approach was adopted to evaluate the difference in access-related inputs provided by sixteen O&M practitioners, once using 2D drawings and BIM and again using VR. We assessed the variation in time for O&M practitioners to provide the inputs and the perceived quality of the inputs using the two design communication methods. We also examined the effect of practitioners' years of experience on providing access-related maintainability inputs using VR. The results suggest that there was no statistically significant difference in the access-related maintainability inputs provided using the two design communication methods, which demonstrates that O&M practitioners could provide similar access-related inputs using VR and traditional means of communication using 2D drawings and 3D models. The results also show that O&M practitioners were able to provide inputs significantly faster using VR. The O&M practitioners also reported that VR facilitated ease of use and high confidence in their inputs. Furthermore, the practitioners' years of experience did not lead to any variation in the access-related inputs provided and the time efficiency of providing the inputs. While the small sample size limits the generalizability of the results, the study acts as a proof of concept on the usability of VR for improving O&M practitioner input on the maintainability of building designs.
Publisher
International Council for Research and Innovation in Building and Construction
Subject
Computer Science Applications,Building and Construction,Civil and Structural Engineering
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