Aviemore Dam

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Aviemore Dam Aviemore Dam is one of the popular Bridge located in ,-NA- listed under Landmark in -NA- , Bridge in -NA- , Fishing in -NA- ,

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The Aviemore Dam is a dam of the Waitaki River in New Zealand. Built from earth and concrete in the 1960s (and completed in 1968) to dam Lake Aviemore, it is one of the major dams of Meridian Energy, and is used to power a hydroelectric power plant. It is a part of the Waitaki River Hydroelectric System, a scheme which supplies 30% of New Zealand's considerable amount of hydropower.CharacteristicsComposite structureThe dam is located over unequal ground underneath, due to the line of the Waitangi Fault. On the northern side in Canterbury, the dam is founded on solid rock, and consists of a 335m-long concrete structure. On the southern side in Otago, the dam crosses the fault as a long earth dam. During the construction of the concrete section, low-heat cement was first used in a large-scale application in New Zealand, to allow quick concrete pouring without the need for cooling elements.Hydroelectric facilitiesThe dam contains 4 francis turbines of each ( total), with the generators being 4 x 11 kV. The facility produces approximately of electricity per year. The net hydraulic head is, with the penstocks (water pipes leading to the turbines) being the largest in New Zealand (as of 2007), with diameter each. It is in waitakiSeismic strengtheningIn the 2000s, work was undertaken to strengthen the dam against earthquake forces and to reduce the effect of overtopping resulting from earthquake-induced landslides into Lake Aviemore, as the dam straddles the Waitangi Fault, which at the time of construction had been considered inactive, but has since been upgraded to dormant. The analysis and design was undertaken by Opus New Zealand and URS New Zealand, who received an ACENZ Innovate NZ Silver Award for their safety evaluation & upgrade.

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