Gordon Dam
Encyclopedia
The Gordon Dam is a double curvature arch dam
Arch dam
An arch dam is a type of dam that is curved and commonly built with concrete. The arch dam is a structure that is designed to curve upstream so that the force of the water against it, known as hydrostatic pressure, presses against the arch, compressing and strengthening the structure as it pushes...

 on the Gordon River
Gordon River
The Gordon River is one of the major rivers of Tasmania, Australia. It rises in the centre of the island at Lake Richmond and flows westward for about 193km where it empties into Macquarie Harbour on the West Coast of Tasmania. Major tributaries include the Serpentine River and the Franklin...

 in Tasmania
Tasmania
Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

, Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. The dam has a length of 192 m (630 ft), and a height of 140 m (459 ft), making it the tallest dam in Tasmania and the fifth-tallest in Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

.

Water from the dam drops 183 m (600 ft) underground into its power station, where three turbines
Water turbine
A water turbine is a rotary engine that takes energy from moving water.Water turbines were developed in the 19th century and were widely used for industrial power prior to electrical grids. Now they are mostly used for electric power generation. They harness a clean and renewable energy...

 of generates up to of power, covering about 13% of the electricity demand of Tasmania. The first two turbines were commissioned in 1978, before the third was commissioned a decade later in 1988.

The power station is fuelled by water from Lake Gordon
Lake Gordon
Lake Gordon is a reservoir created by the Gordon Dam on the upper reaches of the Gordon River in south-west Tasmania, Australia. The reservoir was formed in the early 1970s as a result of the dam construction by the HEC...

. Water from Lake Pedder
Lake Pedder
Lake Pedder was once a natural lake, located in the southwest of Tasmania, Australia but the name is now used in an official sense to refer to the much larger artificial impoundment and diversion lake formed when the original lake was expanded by damming in 1972 by the Hydro Electric Commission of...

 is also drawn into Lake Gordon through the McPartlans Pass Canal at 42°50′51"S 146°11′45"E.

History

In 1963, the Federal Government of Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 provided a A$
Australian dollar
The Australian dollar is the currency of the Commonwealth of Australia, including Christmas Island, Cocos Islands, and Norfolk Island, as well as the independent Pacific Island states of Kiribati, Nauru and Tuvalu...

5 million grant to Tasmania's Hydro-Electric Commission
Hydro Tasmania
Hydro Tasmania, known for most of its history as The HEC, is the government owned enterprise which is the predominant electricity generator in the state of Tasmania, Australia...

 to build the Gordon River Road
Gordon River Road
- was a road built to service the Hydro Tasmania construction of the Gordon Dam, and the Serpentine Dam, Tasmania leading to the flooding of Lake Pedder in South West Tasmania....

 from Maydena into the Gordon River
Gordon River
The Gordon River is one of the major rivers of Tasmania, Australia. It rises in the centre of the island at Lake Richmond and flows westward for about 193km where it empties into Macquarie Harbour on the West Coast of Tasmania. Major tributaries include the Serpentine River and the Franklin...

 area in the South West Wilderness region. Construction was underway by 1964, and within three years, the Tasmanian State Parliament approved the Gordon River Power Development with little in house opposition in 1967.

The completed Gordon Dam was the only dam built on the Gordon River, despite the support of Tasmanian politicians such as Eric Reece
Eric Reece
Eric Elliott Reece, AC was Premier of Tasmania on two occasions: from 26 August 1958 to 26 May 1969, and from 3 May 1972 to 31 March 1975.-Biography:...

, Robyn Gray
Robin Gray (Australian politician)
Robin Trevor Gray is a former Australian politician who was Premier of Tasmania from 1982 to 1989. A Liberal, he was elected Liberal state leader in 1981 and in 1982 defeated the Labor government of Harry Holgate on a policy of "state development," particularly the building of the Franklin Dam, a...

, and others to build the Franklin Dam
Franklin Dam
The Franklin Dam or Gordon-below-Franklin Dam project was a proposed dam on the Gordon River in Tasmania, Australia, that was never constructed. The movement that eventually led to the project's cancellation became one of most significant environmental campaigns in Australian history.The dam was...

 further downstream.

The dam was designed with Dr. Sergio Guidici as the chief engineer. He went on to be involved with the design of the Crotty Dam in the West Coast Range, one of the last significant dams created by Hydro Tasmania during its unabated dam-building era.

See also

  • Franklin-Gordon Wild Rivers National Park
    Franklin-Gordon Wild Rivers National Park
    Franklin-Gordon Wild Rivers is a national park in Tasmania, Australia, 117 km west of Hobart. It is named after the two main river systems lying within the bounds of the park - the Franklin River and the Gordon River.- Location :...

  • List of power stations in Tasmania
  • Southwest National Park
    Southwest National Park
    The Southwest National Park is a national park located in the south-west of Tasmania, Australia. The park is Tasmania's largest and forms part of the Tasmanian Wilderness World Heritage Area....

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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