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The Florianturm (Florian Tower, ''Florian'' for short) is a telecommunications tower and landmark of 
On 7 September 2004, a
Fernsehturm-Dortmund
{{Authority control Towers completed in 1959 Buildings and structures in Dortmund Communication towers in Germany Towers with revolving restaurants Observation towers 1959 establishments in West Germany
The Florianturm (Florian Tower, ''Florian'' for short) is a telecommunications tower and landmark of Dortmund
Dortmund (; ; ) is the third-largest city in North Rhine-Westphalia, after Cologne and Düsseldorf, and the List of cities in Germany by population, ninth-largest city in Germany. With a population of 614,495 inhabitants, it is the largest city ...
(Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
). It is named after St. Florian, the patron saint
A patron saint, patroness saint, patron hallow or heavenly protector is a saint who in Catholicism, Anglicanism, Eastern Orthodoxy or Oriental Orthodoxy is regarded as the heavenly advocate of a nation, place, craft, activity, class, clan, fa ...
of gardener
A gardener is someone who practices gardening, either professionally or as a hobby.
Description
A gardener is any person involved in gardening, arguably the oldest occupation, from the hobbyist in a residential garden, the home-owner suppleme ...
s.
The Florianturm is the TV tower of Dortmund and was built in 1959 as an attraction for a federal horticultural
Horticulture (from ) is the art and science of growing fruits, vegetables, flowers, trees, shrubs and ornamental plants. Horticulture is commonly associated with the more professional and technical aspects of plant cultivation on a smaller and mo ...
show with a height of . At the time it was briefly the highest freestanding structure in Germany.
The tower was constructed similarly to a high concrete
Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid over time. It is the second-most-used substance (after water), the most–widely used building material, and the most-manufactur ...
chimney
A chimney is an architectural ventilation structure made of masonry, clay or metal that isolates hot toxic exhaust gases or smoke produced by a boiler, stove, furnace, incinerator, or fireplace from human living areas. Chimneys are typical ...
. It consists of a reinforced concrete tube, which tapers off as it rises, reaching a height of . At there is a building part with two floors. On the lower floor there are operation rooms and on the upper floor at there is a revolving restaurant. At and there are two observation decks.
On the upper observation deck there are installations and aerials of ''Deutsche Telekom
Deutsche Telekom AG (, ; often just Telekom, DTAG or DT; stylised as ·T·) is a partially state-owned German telecommunications company headquartered in Bonn and the largest telecommunications provider in Europe by revenue. It was formed in 199 ...
''. Since 1959 it has been used for transmitting television signals.
On 7 September 2004, a Russia
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
n helicopter
A helicopter is a type of rotorcraft in which Lift (force), lift and thrust are supplied by horizontally spinning Helicopter rotor, rotors. This allows the helicopter to VTOL, take off and land vertically, to hover (helicopter), hover, and ...
was used to replace the aerial. Since then, a 50-kilowatt transmitter has transmitted digital terrestrial television
Digital terrestrial television (DTTV, DTT, or DTTB) is a technology for terrestrial television, in which television stations broadcast television content in a digital signal, digital format. Digital terrestrial television is a major technologica ...
programmes for the Dortmund area.
Since 7 September 2004, the Florianturm has a height of , making it the fourteenth highest structure in Germany.
From 1996 to 1998, the tower was renovated and safety standards were brought up to date.
In 2000, a catwalk for bungee jumping was opened on the upper platform. It was closed in 2003 after a fatal accident and was removed in July 2008.
Data
*Architect: Will Schwarz, Dortmund *Construction time: May 1958 – April 1959 *Depth of basement: 8.10 m, the lowest part of the substructure is 110.3 m above sea level *Diameter of basement: 25 m *Thickness of basement plate: 2.5 m *Total weight: approx. 7,700 t *Volume of cement: approx. 1,385 t *Total weight of concrete: approx. 3,400 m³ *Total weight of steel: approx. 660 t *Stability ratio: 3.5xSee also
*List of towers
The tallest structure in the world is the Burj Khalifa skyscraper at . Listed are guyed masts (such as telecommunication masts), self-supporting towers (such as the CN Tower), skyscrapers (such as the Willis Tower), oil platforms, electricity ...
External links
*Fernsehturm-Dortmund
{{Authority control Towers completed in 1959 Buildings and structures in Dortmund Communication towers in Germany Towers with revolving restaurants Observation towers 1959 establishments in West Germany