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The Floriantower, shortly Florian, is the landmark of Dortmund.
The Floriantower is the TV tower of Dortmund and was built 1959 as attraction for a federal garden exhibition with a heght of 219.6 metres. At this tome it was shortly the highest freestanding structure in Germany.
The tower was constructed similiar as a high chimney of concrete. On a steel concrete tube, which reduces its diameter conically until a height of 129.75 metres there is in a level of 130.6 metres a building poart with two floors. In the lower floor there are operation rooms and the upper floor in 137.54 metres there is a rotating restaurant. In a height of 141.88 metres and 144.7 metres there are two observation decks.
Upper the observation deck there are installations and aerials of the German Telecom Inc. - since 1959 it is used for transmitting TV.
On September 7th, 2004 the exchange of the aerial was performed by a Russian helicopter in order to prepare the transmission of digital terrestrical TV. Since this day a transmitter with 50 kilowatts transmits a digital TV program for the area of Dortmund.
The Florianturm has since September 7th, 2004 a height of 210 metres.
From 1996 to 1998 the tower was renovated.
From 2000 to 2003 there was a device for bungee-jumping on the upper platform, which was closed in 2003 after a fatal accident.
Data
- Architekt: Will Schwarz, Dortmund
- construction time: 5/1958 – 4/1959
- depth of basement: 8,10 m, die Unterkante des Fundamentes liegt damit 110,30 m über NN
- diameter of basement: 25,00 m
- strength of basement plate: 2,50 m
- total weight: ca. 7.700 t
- volume of cement: ca. 1.385 t
- total weight of concrete: ca. 3.400 m³
- total weight of steel: ca. 660 t
- standing security: 3,5 fach
List of towers
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