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Canning Tunnel
The Canning Tunnel is a tunnel that originates just west of Canning Dam and runs for approximately through the granite Darling Scarp The Darling Scarp (), also referred to as the Darling Range or Darling Ranges, is a low escarpment running north–south to the east of the Swan Coastal Plain and Perth, Western Australia. The escarpment extends generally north of Bindoon, to ... to the western portal trunk main in Soldiers Road about south of the Brookton Highway intersection. It measures . A separate pipeline from Canning Dam remains. The tunnel is more than below ground level at its deepest point. History The Canning Tunnel was constructed between 1973 and 1975 to link Canning Dam to Perth's Integrated Water Supply System. It was built to replace the Canning Contour Channel, which was a depression era public works project of the 1940s and constructed in conjunction with the opening of the dam. 110 men were employed in the first year of construction after which the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canning Dam
The Canning Dam and reservoir are a major source of fresh water for the city of Perth, Western Australia. The dam is situated on the Darling Scarp and is an impoundment of the Canning River. It is noted for its innovative structural and hydraulic design that was considered to be at the forefront of concrete gravity dam design at the time of construction in from 1933 to its completion 1940. The Canning Dam was Perth's primary water supply up until the 1961 when other sources of fresh water were tapped, such as the Serpentine dam. Currently the dam supplies approximately 20 percent of Perth's fresh water. Inflow into the Canning Reservoir is estimated to be , and it has a storage capacity of . Since its completion in 1940, the Canning Dam has contributed to a wide range of environmental and ecological problems in surrounding regions, problems include more common algal blooms, habitat loss and sedimentation. Despite these issues, Canning Dam and the adjacent parks and forest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Darling Scarp
The Darling Scarp (), also referred to as the Darling Range or Darling Ranges, is a low escarpment running north–south to the east of the Swan Coastal Plain and Perth, Western Australia. The escarpment extends generally north of Bindoon, to the south of Pemberton. The adjacent Darling Plateau goes easterly to include Mount Bakewell near York and Mount Saddleback near Boddington. It was named after the Governor of New South Wales, Lieutenant-General Ralph Darling. History The feature was first recorded as General Darling Range by Charles Fraser, Government Botanist with Captain James Stirling aboard in March 1827. Maps from the 1830s show the scarp labelled '' General Darlings Range''; this later became ''Darling Range'', a name by which the formation was still commonly known in the late 20th century despite common understanding of it being an escarpment. There is also a tendency to identify the locations on or to the east of the scarp as being in the '' Perth Hills' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brookton Highway
Brookton Highway is a long undivided single carriageway highway in Western Australia, running from the southern Perth suburb of Kelmscott, Western Australia, Kelmscott, through Westdale, to the southern Wheatbelt (Western Australia), Wheatbelt town of Brookton, Western Australia, Brookton. It is signposted as State Route 40; however, the route and highway continue on far past Brookton, passing through Corrigin, Western Australia, Corrigin, Kondinin, Western Australia, Kondinin, Hyden, Western Australia, Hyden, Lake King, Western Australia, Lake King, and finishing at South Coast Highway, just west of Ravensthorpe, Western Australia, Ravensthorpe. Route description Near its western terminus, the road passes through thick jarrah forest in the Darling Scarp; however further east, the landscape soon becomes flat, passing through wheat farming regions and wandoo woodlands until reaching Brookton, Western Australia, Brookton. The highway is a part of the route linking Perth to E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
