SINGAPORE, May 12 -- A construction site in Pasir Ris is using artificial intelligence to protect around 400 workers from heat stress, combining predictive alerts with cooling vests and makeshift showers in a trial that goes well beyond current workplace safety rules.

According to The Straits Times, the system, launched two months ago at Hwa Seng Builder's Loyang Viaduct project, relies on an AI engine that processes weather forecasts along with live heat-stress readings from an automated sensor.

It calculates the Wet Bulb Globe Temperature (WBGT)-the standard measure that accounts for humidity, wind, and sun exposure-and sends early warnings via WhatsApp to site supervisors. If the model predicts a WBGT of 33 degrees Celsius at 2pm, fo...