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David Brett is a Principal Engineer Dams and Geotechnical Engineering with GHD based in Hobart. David has more than 30 years experience in major dam and water engineering projects throughout Australia, including extensive experience in roller compacted concrete (RCC) for dams, specialist knowledge of foundation grouting for dams.
Over recent years David has been particularly involved in waste management for the mining industry including tailings disposal and mitigation of acid rock drainage from mine sites.
Examples of dam projects include:
· Burnett River Dam 50 m high, 400,000 m3 RCC dam has a design flood of 100,000 cumecs.
· Meander Dam, 50 m high 150,000 m3 RCC
· Main Creek Tailings Dam 70 m earth and rockfill dam at Savage River Mine on Tasmania’s northwest coast to contain an estimated 12 million m3 of tailings by staged raising
· Princess Creek Tailings Dam, 80 m earth and rockfill dam at Mt Lyell Mine for Copper Mines of Tasmania, staged construction to hold 100,000,000 t of tailings
In addition, David has been responsible for projects achieving Engineering Excellence Awards from IE Aust including
· Water Management at the Worsley Alumina Refinery, and
· Rehabilitation of Jarosite damps at the Nyrstar Zinc Refinery, Hobart.
David is currently convenor of an ANCOLD sub-committee reviewing the Guideline on Tailings Dam Design, Construction and Operation.
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