11 Diagonal Street
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11 Diagonal Street
11 Diagonal Street is a skyscraper in Johannesburg, South Africa. It was built in 1983 to a height of 80 metres. It is designed to look like a diamond as it reflects different views of the Central Business District from each angle of the building. The building's architect was Helmut Jahn Helmut Jahn (January 4, 1940 – May 8, 2021) was a German-American architect, known for projects such as the Sony Center on Potsdamer Platz in Berlin, Germany; the Messeturm in Frankfurt, Germany; the Thompson Center in Chicago; One Liberty .... Current Use The building is currently used by the department of Development Planning & Local Government. References Office buildings completed in 1984 Skyscraper office buildings in Johannesburg Helmut Jahn buildings {{SouthAfrica-struct-stub ...
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Johannesburg
Johannesburg ( , , ; Zulu and xh, eGoli ), colloquially known as Jozi, Joburg, or "The City of Gold", is the largest city in South Africa, classified as a megacity, and is one of the 100 largest urban areas in the world. According to Demographia, the Johannesburg–Pretoria urban area (combined because of strong transport links that make commuting feasible) is the 26th-largest in the world in terms of population, with 14,167,000 inhabitants. It is the provincial capital and largest city of Gauteng, which is the wealthiest province in South Africa. Johannesburg is the seat of the Constitutional Court, the highest court in South Africa. Most of the major South African companies and banks have their head offices in Johannesburg. The city is located in the mineral-rich Witwatersrand range of hills and is the centre of large-scale gold and diamond trade. The city was established in 1886 following the discovery of gold on what had been a farm. Due to the extremely large gold de ...
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South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; and to the east and northeast by Mozambique and Eswatini. It also completely enclaves the country Lesotho. It is the southernmost country on the mainland of the Old World, and the second-most populous country located entirely south of the equator, after Tanzania. South Africa is a biodiversity hotspot, with unique biomes, plant and animal life. With over 60 million people, the country is the world's 24th-most populous nation and covers an area of . South Africa has three capital cities, with the executive, judicial and legislative branches of government based in Pretoria, Bloemfontein, and Cape Town respectively. The largest city is Johannesburg. About 80% of the population are Black South Afri ...
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Office
An office is a space where an Organization, organization's employees perform Business administration, administrative Work (human activity), work in order to support and realize objects and Goals, plans, action theory, goals of the organization. The word "office" may also denote a position within an organization with specific duties attached to it (see officer (other), officer, office-holder (other), office-holder, official); the latter is in fact an earlier usage, office as place originally referring to the location of one's duty. When used as an adjective, the term "office" may refer to business-related tasks. In legal, law, a company or organization has offices in any place where it has an official presence, even if that presence consists of (for example) a storage silo rather than an establishment with desk-and-office chair, chair. An office is also an architectural and design phenomenon: ranging from a small office such as a Bench (furniture), bench in th ...
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Skyscraper
A skyscraper is a tall continuously habitable building having multiple floors. Modern sources currently define skyscrapers as being at least or in height, though there is no universally accepted definition. Skyscrapers are very tall high-rise buildings. Historically, the term first referred to buildings with between 10 and 20 stories when these types of buildings began to be constructed in the 1880s. Skyscrapers may host offices, hotels, residential spaces, and retail spaces. One common feature of skyscrapers is having a steel frame that supports curtain walls. These curtain walls either bear on the framework below or are suspended from the framework above, rather than resting on load-bearing walls of conventional construction. Some early skyscrapers have a steel frame that enables the construction of load-bearing walls taller than of those made of reinforced concrete. Modern skyscrapers' walls are not load-bearing, and most skyscrapers are characterised by large surface ...
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Diamond
Diamond is a Allotropes of carbon, solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Another solid form of carbon known as graphite is the Chemical stability, chemically stable form of carbon at Standard conditions for temperature and pressure, room temperature and pressure, but diamond is metastable and converts to it at a negligible rate under those conditions. Diamond has the highest Scratch hardness, hardness and thermal conductivity of any natural material, properties that are used in major industrial applications such as cutting and polishing tools. They are also the reason that diamond anvil cells can subject materials to pressures found deep in the Earth. Because the arrangement of atoms in diamond is extremely rigid, few types of impurity can contaminate it (two exceptions are boron and nitrogen). Small numbers of lattice defect, defects or impurities (about one per million of lattice atoms) color diamond blue (bor ...
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Central Business District (Johannesburg)
The Central Business District, commonly called Johannesburg CBD, is one of the main business centres of Johannesburg, South Africa. It is the densest collection of skyscrapers in Africa, however, due to white flight and urban blight, many of the buildings are unoccupied as tenants have left for more secure locations in the Northern Suburbs, in particular Sandton and Rosebank. There are significant movements to revive the area. History The area that is currently the Central Business District has been the central area of Johannesburg nearly since its inception. Its central location in the city as well as careful planning led to it being chosen as the best location for residential and commercial development, especially during the economically prosperous 1960s and 1970s. Many large commercial products were completed in this period, such as the Carlton Centre, which is the third-tallest building in Africa, the second-tallest being The Leonardo in Sandton. Under apartheid, the Centr ...
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Emporis
Emporis GmbH was a real estate data mining company that was headquartered in Hamburg, Germany. The company collected data and photographs of buildings worldwide, which were published in an online database from 2000 to September 2022. On 12 September 2022, the managing director of CoStar Europe posted a letter on Emporis.com, informing its community members of the decision which had been made to retire the Emporis community platform, effective 13 September 2022. Emporis offered a variety of information on its public database, Emporis.com. Emporis was frequently cited by various media sources as an authority on building data. Emporis originally focused exclusively on high-rise buildings and skyscrapers, which it defined as buildings "between 35 and 100 metres" tall and "at least 100 metres tall", respectively. Emporis used the point where the building touches the ground to determine height. The database had expanded to include low-rise buildings and other structures. It used a ...
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Helmut Jahn
Helmut Jahn (January 4, 1940 – May 8, 2021) was a German-American architect, known for projects such as the Sony Center on Potsdamer Platz in Berlin, Germany; the Messeturm in Frankfurt, Germany; the Thompson Center in Chicago; One Liberty Place in Philadelphia, Pennsylvania; and Suvarnabhumi Airport, in Bangkok, Thailand, among others. His recent projects included 50 West Street, a residential tower in New York City in 2016 and the ThyssenKrupp Test Tower in Rottweil, Germany in 2017. Life and career Jahn was born Jan. 4, 1940 in Zirndorf, near Nuremberg, Germany. His father, Wilhelm Anton Jahn, was a schoolteacher in special education. His mother, Karolina Wirth, was a housewife. Jahn grew up watching the reconstruction of the city, which had been largely destroyed by Allied bombing campaigns. He studied architecture at the Technical University of Munich from 1960 to 1965, and worked with for a year after graduation. In 1966, he went to Chicago to further study arc ...
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Office Buildings Completed In 1984
An office is a space where an organization's employees perform administrative work in order to support and realize objects and goals of the organization. The word "office" may also denote a position within an organization with specific duties attached to it (see officer, office-holder, official); the latter is in fact an earlier usage, office as place originally referring to the location of one's duty. When used as an adjective, the term "office" may refer to business-related tasks. In law, a company or organization has offices in any place where it has an official presence, even if that presence consists of (for example) a storage silo rather than an establishment with desk-and-chair. An office is also an architectural and design phenomenon: ranging from a small office such as a bench in the corner of a small business of extremely small size (see small office/home office), through entire floors of buildings, up to and including massive buildings dedicated entirely to one c ...
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Skyscraper Office Buildings In Johannesburg
A skyscraper is a tall continuously habitable building having multiple floors. Modern sources currently define skyscrapers as being at least or in height, though there is no universally accepted definition. Skyscrapers are very tall high-rise buildings. Historically, the term first referred to buildings with between 10 and 20 stories when these types of buildings began to be constructed in the 1880s. Skyscrapers may host offices, hotels, residential spaces, and retail spaces. One common feature of skyscrapers is having a steel frame that supports curtain walls. These curtain walls either bear on the framework below or are suspended from the framework above, rather than resting on load-bearing walls of conventional construction. Some early skyscrapers have a steel frame that enables the construction of load-bearing walls taller than of those made of reinforced concrete. Modern skyscrapers' walls are not load-bearing, and most skyscrapers are characterised by large surface a ...
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