The Central Queensland Port Authority is undertaking one of the largest capital improvement projects in Australia. The RG Tanna Wharf Expansion Project involves extending the pier by 350 meters, widening existing berths, building a 1.3 kilometer onshore conveyor, and creating a new jetty approach. The cost of the construction portion alone is $128m. Marine contractor Realf’s Diving and Salvage was hired to survey the area before the dredging operation could begin. The company is based in Gladstone…