15-767: (Redirected from Lake Margaret ) Margaret Lake could refer to: Lake Margaret (Tasmania) , a lake in Australia Margaret Lake, Alberta , location of the Margaret Lake Airport Margaret Lake, Manitoba , a lake on the Winnipeg River Margaret Lake (Glacier County, Montana) Margaret Lake (Kittitas County, Washington) People [ edit ] Margaret Lake, real name of astrologer Mystic Meg (1942–2023) Maʻiki Aiu Lake (1925–1984),
30-443: A hula dancer and influential figure in the second Hawaiian Renaissance Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Margaret Lake . If an internal link led you here, you may wish to change the link to point directly to the intended article. [REDACTED] Topics referred to by the same term This disambiguation page lists articles about people with
45-402: Is 17 metres (56 ft) high and is 243 metres (797 ft) long and the concrete-faced dam wall has a volume of 6,000 cubic metres (210,000 cu ft). The uncontrolled spillway has a capacity of 29 cubic metres per second (1,000 cu ft/s ). In 1974 the dam wall was strengthened by the use of prestressed anchors and grouting of open joints. The Lake Margaret dam impounds
60-602: Is a concrete-faced gravity dam with an uncontrolled spillway across the Yolande River , located on the north side of Mount Sedgwick , in the West Coast Range , West Coast of Tasmania , Australia . The impounded reservoir is also called Lake Margaret. The dam was constructed in 1918 by the Mount Lyell Mining and Railway Company for the purpose of generating hydro-electric power via
75-411: Is sometimes used as an acronym for full unit name, with the plural form cumecs also common in speech. It is commonly used between workers in the measurement of water flow through natural streams and civil works, but rarely used in writing. Data in units of m ⋅ s are used along the y-axis or vertical axis of a flow hydrograph , which describes the time variation of discharge of
90-477: Is the unit of volumetric flow rate in the International System of Units (SI). It corresponds to the exchange or movement of the volume of a cube with sides of one metre (39.37 in) in length (a cubic meter , originally a stere ) each second . It is popularly used for water flow, especially in rivers and streams , and fractions for HVAC values measuring air flow. The term cumec
105-617: The Lake Margaret Power Station , which is located below the dam wall. Following the closure of the Mount Lyell Mining and Railway Company, in 1985 the control of the dam, lake, and power station was transferred to Hydro Tasmania . The dam, called Lake Margaret, was completed in 1918 and it was the first gravity dam constructed in Tasmania. It was built of concrete with conglomerate "plums". The dam wall
120-494: The Mount Lyell Mining and Railway Company commissioned seven conventional Pelton turbine generators with a capacity of 8.3 megawatts (11,100 hp ) at the Upper Lake Margaret Power Station. Hydro Tasmania took ownership of the power station in 1985. Water travels from Lake Margaret through a woodstave 2.2-kilometre (1.4 mi) pipeline to the power station. In 1931 a minihydro plant
135-517: The West Coast Range. Mount Sedgwick is to the south. The Bastion, at 1,107 metres (3,632 ft), which is a steep cliff face that is immediately west of Lake Magdala and north of Mount Geikie, together with Farquhar Lookout, with an elevation of 935 metres (3,068 ft), define a rough line of the northern part of the 21-square-kilometre (8.1 sq mi) catchment area . Numerous smaller lakes – some named and some not – lie above
150-817: The Yolande River, which also is the outflow from the dam. Further west the Yolande joins with the Langdon River , another West Coast Range west flowing river, to join with the Henty River west of the Zeehan Highway . The 170-hectare (420-acre) reservoir, also called Lake Margaret, with an elevation of 660 metres (2,170 ft) AHD , lies east of Mount Cyril, that has an elevation of 797 metres (2,615 ft), and south of Mount Geikie , that has an elevation of 1,191 metres (3,907 ft), both in
165-492: The area lies to the south east side of Mount Sedgwick and is known as Lake Beatrice . The initial purpose of Lake Margaret when it was constructed by the Mount Lyell Mining and Railway Company was to generate hydroelectric power for the Queenstown -based Mount Lyell mine, railway, and surrounding community. While the mine has since closed, the purpose of Lake Margaret to generate power remains unchanged. Between 1918 and 1930
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#1732791981686180-630: The location of the Lake Margaret. The vesting of the catchment with the current operator of the hydro electric power station, makes the two feeder parts of the catchment specific Hydro land in contrast to the surrounding landscape which is either in the Tyndall Regional Reserve or the Lake Beatrice Conservation Area. The two southern feeder Hydro reserves start from the slopes of Mount Sedgwick,
195-549: The same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Margaret_Lake&oldid=1144412607 " Categories : Disambiguation pages Place name disambiguation pages Human name disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Lake Margaret (Tasmania) Lake Margaret
210-549: The westerly from Lake Barnables (less than one kilometre (zero point six two miles) east of Lake Margaret), then to Lake Phillip. The eastern feeder starts at an unnamed lake to Lake Polycarp, Lake Peter, Lake Paul, Lake Apollos, and then to Lake Phillip. The northern feeder starts from Lake Monica, Lake Myra, then Lake Magdala, situated at 782 metres (2,566 ft) AHD , Lake Martha, at 757 metres (2,484 ft), and Lake Mary, at 732 metres (2,402 ft), before flowing into Lake Margaret. The larger lower altitude natural lake of
225-553: Was constructed to provide additional power. The single Turgo turbine generates 3.2-megawatt (4,300 hp). Hydro Tasmania took ownership of the power station in 1985 and decommissioned the plant in 1994. The station was reopened in 2010 following refurbishment that included a new penstock , turbine and woodstave pipeline. Cubic metre per second Cubic metre per second or cubic meter per second in American English (symbol m ⋅ s or m /s )
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