Laser cleaning processes for Roads and Maritime Services bridges

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This project aims to develop innovative laser cleaning processes to conserve the structural integrity and iconic status of the Sydney Harbour Bridge. New laser technologies offer the opportunity to remove lead-based paint and clean the bridge’s metal structures and granite pylons offering advantages unavailable with current techniques. The expected outcomes will be new best-practice laser conservation techniques usable for both hand-held and automated systems to preserve one of the most iconic bridges in the world. This will reduce maintenance frequency and cost, restore the beauty of the bridge, retain its engineering significance and provide a baseline process for cleaning of other historical large scale metal and stone heritage objects.