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Kon-Tiki refers to Scout and Guide raft building competitions held by Scouts South Africa and Scouts Australia. [1] Named after Thor Heyerdahl's Kon-Tiki expedition of 1947, teams of Scouts and Guides age 11 to 17 compete to build and live on a raft for a weekend. Support crews compete in other events while the raft is afloat.
Floating raft is a land-based building foundation that protects it against settlement and liquefaction of soft soil from seismic activity. It was a necessary innovation in the development of tall buildings in the wet soil of Chicago in the 19th century, when it was developed by John Wellborn Root who came up with the idea of interlacing the concrete slab with steel beams.
The proposal for a university for the capital, first mooted in the Volksraad in 1889, was interrupted by the outbreak of the Anglo Boer War in 1899. In 1902 after the signing of the Peace of Vereeniging, the Normal College for teacher training was established in Groenkloof, Pretoria and in 1904 the Transvaal Technical Institute, with emphasis on mining education, opened in Johannesburg.
In 1960 the institute employed an engineer, Mr Robert McHalfie-Clarke, on a part-time basis. Scottish and born in 1906 McHalfie-Clarke was a consulting engineer who specialised in structural steel design. Some of his structures including Iscor head office in Pretoria and Newcastle as well as the Norwich Union Building in Pretoria. He was to ...
The Voortrekker Monument is located just south of Pretoria in South Africa.The granite structure is located on a hilltop, and was raised to commemorate the Voortrekkers who left the Cape Colony between 1835 and 1854.
The company's first major project was the construction of the Rand Sports Stadium in Johannesburg followed by contracts for the Pretoria and Johannesburg power stations. . Another initial project was the Storms River bridge which was designed by Dr. Riccardo Morandi of Rome, this bridge was for many years the highest and longest single span bridge in South Afr
The Buildings are one of the centres of political life in South Africa; "The Buildings" and "Arcadia" have become metonyms for the South African government. It has become an iconic landmark of Pretoria and South Africa in general, and is one of the most popular tourist attractions in the city and an emblem of democracy.
The Rietvlei dam is an earth-fill type dam and is one of a number of dams supplying water to the Pretoria region of South Africa. It supplies around 41 million liters of drinking water daily, [1] about 5.9% of the water requirement of Pretoria. [4] The dam mainly serves for municipal and industrial use. Its hazard potential has been ranked high ...