It has also rejigged the design of conveyor transfer points and added improved dust suppression along its conveyors.
"A key dust management control is the Intelligent Dust Management System, which automatically activates spray cycles on stockpile areas," PWCS said.
"The IDMS characterises the types of coal handled along with detailed weather forecasts based on real time weather data to effectively manage moisture levels and prevent dust lift off.
"Port Waratah also uses dust suppression products, mobile water carts and manually hoses or sprays coal to stop dust at the source when required."
Other dust management improvements have come in the form of proc...