At a construction site in Paris Ris for the upcoming Cross Island Line (CRL) Punggol extension, one of the 31 closed-circuit television (CCTV) cameras detects a worker without his helmet. Within seconds, his supervisor receives a notification alert on Telegram, along with a four-second footage of the errant behaviour. The lack of personal protective equipment is one of the three hazards that was shown to the media on Tuesday (Feb 10) to demonstrate SafeSite Video Analytics — a surveillance system for construction sites which has been on trial at the 6ha Pasir Ris construction site since August last year. Ten of the 31 CCTV cameras are equipped with the AI system. The Ministry of Manpower (MOM) said the system can also detect when a worker goes into a higher risk area without authorisation, or strays too close to a machinery or moving vehicle, or under suspended loads such as cranes. The AI-enabled cameras are installed in higher-risk areas, such as vehicular and pedestrian walkways, and the perimeter of the construction site.  Read more