11 Diagonal Street
| 11 Diagonal Street | |
|---|---|
| File:11 Diagonal Building.jpg A view of the building from street level | |
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| General information | |
| Status | Completed |
| Type | Multi use, Office |
| Location | Johannesburg, South Africa |
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| Construction started | 1981 |
| Completed | 1983 |
| Opening | 1984 |
| Cost | R65 million |
| Owner | Rebosis Property Fund [1] |
| Height | |
| Antenna spire | 80 m (260 ft) |
| Roof | 75 m (246 ft) |
| Top floor | 75 m (246 ft) |
| Technical details | |
| Floor count | 20 |
| Floor area | 20,000 m2 (220,000 sq ft) |
| Lifts/elevators | 6 |
| Design and construction | |
| Architect | Helmut Jahn |
11 Diagonal Street (also known as the diamond building[2]) is an iconic office tower in downtown Johannesburg, South Africa, that was built by Anglo American Property Services.[3] The 22 floor building is the 15th tallest in the city[4] and it was conceptualized in 1981 and excavations began in December that year. Construction ended in 1983 and the building was tenanted in 1984.[5] The building is designed to look like a diamond as it reflects different views of the Central Business District from each angle of the building.[6] Apart from its unique exterior, the structure was built with concrete instead of steel, demonstrating that concrete could be used instead of steel in both speed and cost.[7]
The building's architect was Helmut Jahn[8] and is featured on the Level 42 album cover The Very Best of Level 42.
Current Use
[edit | edit source]The building was used by the department of Development Planning & Local Government.[9] It is currently occupied by The Gauteng Department of Infrastructure Development.[10]
References
[edit | edit source]- ^ https://www.rebosis.co.za/property-item/11-diagonal-street/
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- ^ 11 Diagonal Street (1983) Published by Anglo American Property Services (Pty), Ltd., Johannesburg
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