Health and Safety CONFERENCE

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Water Treatment Plant Inlet Screen Blower

David Howell
Tailings and Water Coordinator, Rio Tinto Weipa Operations

Luke Pendrigh
Tailings and Water Electrician, Rio Tinto Weipa Operations

During normal operation at the Water Treatment Plant the inlet screen in the Bio Reactor blocks with debris, sludge and fecal matter. The cleaning of the inlet screen was a laborious task that exposed maintainers to raw sewage and repeated manual handling risks. The crew came up with an engineering control that completely prevented the inlet screen from blocking, eliminating the need to remove and clean the screen. With this new system functioning the crew have removed a great deal of frustration and reduced the handling of this inlet screen to planned maintenance intervals and significantly reducing the crew’s exposure to the biological risk.