Gordon Dam National Engineering Landmark

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GORDON DAM NATIONAL ENGINEERING LANDMARK Location: On the Gordon River in south-west Tasmania beyond Strathgordon. GORDON DAM Owner: Hydro Tasmania Completed in 1974 this 140 m high concrete arch dam was built by the Hydro-Electric Commission. It is the highest arch The plaques are located on the dam and Lake Gordon is the largest storage in Australia dam parapet. (12.4 million ML). The use of double-curvature enabled the dam's concrete volume, and therefore the cost, to be The dam significantly reduced. The dam and power station are The deep narrow gorge was associated with the construction of the first road into south- ideally suited to an arch dam. west Tasmania, and with the controversy over the flooding of Lake Pedder. Using the Commission's arch dam stress analysis program, Dedicated by The Institution of Engineers, Australia 2001 Hydro engineers progressively refined the shape until it met all the structural requirements with a minimum volume of concrete. The dam is a spectacular and popular tourist destination. Engineers The dam has a direct association with an eminent dam building authority. The principal design engineer Sergio Giudici reported to Mike Fitzpatrick, Bill Mitchell and John Wilkins. The dam construction engineer was Alan Varty reporting to Ted Hofto and Guy Ward. Access The dam site is in a very remote location. Site investigations for the dam were carried out using Bombadier and helicopter access until the 80 km long Gordon River Road was completed. Heritage Dams Project Gordon Dam is one of the 25 dams selected in a national survey to find those with the highest heritage values. Gordon Power Development The headwaters of the Huon and Serpentine rivers are captured in Lake Pedder and diverted into Lake Gordon via McPartlans Pass Canal. The Gordon Power Station is located underground below the lake and discharges back into the river via a 3 km long tailrace tunnel. The station contains three 150 MW Francis turbines with space for two more. Twin transmission lines carry the output to Hobart and the State grid. The scheme is a major component of the State's electricity generating system. Gordon Dam .

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