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The Rangitata Diversion Race or RDR is a combined irrigation and power generation scheme that diverts water from the Rangitata River to irrigate over 66,000 hectares of farmland in Mid-Canterbury, New Zealand. The RDR project was the first major river diversion in New Zealand, and the largest irrigation scheme in the country.
Lewthwaite had 30 years experience in water engineering and 14 years experience in managing irrigation projects. [21] In November 2005, Lewthwaite was a Senior Environmental Engineer employed by URS New Zealand Limited, and the project manager and co-author of the application for resource consents lodged with Canterbury Regional Council. [22]
The entry point has New Zealand's first acoustic fish fence, keeping salmon smolt in the river and preventing them ending up on farmland. [6] There is a second irrigation system which has its off take below and on the opposite river bank from the RDR. This system is called the Rangitata South Irrigation Scheme.
In other projects Wikimedia Commons; Wikidata item; Appearance. move to sidebar hide. Help. Pages in category "Irrigation in New Zealand" The following 4 pages are in ...
The Opuha Dam is located on the Opuha River, a tributary of the Ōpihi River in South Canterbury, New Zealand.The dam is used for water storage for farming irrigation and provides 7.7 MW of electricity to New Zealand's national grid.
Walls for Water: Pioneer Dam Building in New Zealand. Palmerston North: The Dunmore Press Ltd. ISBN 0-86469-313-3 . Retired civil engineer and dam inspector examines the development of New Zealand dam construction techniques and uses from the 1860s to the 1950s for municipal water supply, mining, kauri logging and development of the Lake ...
Lake Onslow is a man-made lake east of Roxburgh and south of Alexandra in the Otago region of New Zealand. It lies 700 m (2,300 ft) above sea level. It was formed in 1890 by the damming of the Teviot River and Dismal Swamp, with a new dam built in 1982 that raised the lake level by 5 m (16 ft).
The Rangitata Diversion Race takes water from Klondyke at the bottom of the gorge. Construction of the race began in 1937 and completed in 1944. [2] Today the race is 67 kilometers long and carries a maximum of 30 cubic metres of water per second discharging the remaining water at Highbank into the Rakaia River. [3]