The Floriantower, shortly Florian, is the landmark of Dortmund (Germany).

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

Weblinks

• http://www.structurae.net/structures/data/index.cfm?ID=s0011595

List of towers