Extract

The distinctive nature of construction industry causes for numerous accidents and injuries. Safety monitoring in expressway construction projects is complex because of the extensive use of plants, equipment and workforce. Accidents and injuries can be prevented by proper safety monitoring techniques. On the other hand, the use of UAVs become common in progress monitoring in construction industry. Thus, the study aims to develop a framework assessing UAV technology-based safety monitoring in expressway construction projects in Sri Lanka. Initially a literature review was carried to identify the use of UAVs in construction industry. Review revealed that monitoring unsafe behaviour of workers, integration of site information with storage facilities, autonomous site inspection with GPS technology and identifying safety hazards are the usages of UVAs. Case study strategy is employed with three expressway projects. Experienced safety professionals were interviewed and content analysis was adopted to analyse the data. The findings revealed that UAV technology can be applied for the prospect of using efficient and accurate safety monitoring technique for identifying the presence of unauthorized people and vehicles, faulty works and non-use of safety measures. Research recommends to use UAV technology for safety monitoring in expressway projects in Sri Lanka.

Keywords: Safety monitoring; Unmanned Aerial Vehicle (UAV); expressways

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