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Riga Radio and TV Tower

Riga Radio and TV Tower
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General information
Type Mixed-use
Location Riga, Latvia
Town or city
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Coordinates

56°55′26″N 24°08′13″E / 56.9240°N 24.1370°E / 56.9240; 24.1370Coordinates: 56°55′26″N 24°08′13″E / 56.9240°N 24.1370°E / 56.9240; 24.1370{{#coordinates:56.9240|24.1370|type:landmark_region:LV-RIX|||||| |primary |name=

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Construction started 1979
Completed 1989
Opening
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Destroyed
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Height
Antenna spire Script error: No such module "convert".
Roof Script error: No such module "convert".
Technical details
Lifts/elevators 4
Design and construction
Architect
  • Kims Nikuradze[1][2]
  • Nikolajs Sergijevskis[2]
  • Viktors Savčenko[2]
Number of rooms
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Number of suites
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The Riga Radio and TV Tower (Latvian: Rīgas radio un televīzijas tornis) in Riga, Latvia is the tallest structure in the Baltic states. It was built between 1979 and 1989 with funding from the central government of the Soviet Union. Its highest point reaches Script error: No such module "convert"., which makes it the third tallest tower in Europe (after the Ostankino Tower at Script error: No such module "convert". and the Kiev TV Tower at Script error: No such module "convert".) and the 15th tallest self-supporting tower in the world.

Features

There was a restaurant, "Veja Roze", at the Script error: No such module "convert". level, which has closed. There is a public observation platform just above it at Script error: No such module "convert"., from which most of the city and surroundings and the Gulf of Riga can be seen.[3][4]

Construction

The design chosen for the tower was that of Georgian architect Kims Nikurdze.[1] Also credited are Nikolajs Sergijevskis and Viktors Savčenko.[2] Construction materials included dolomite from Saaremaa, Karelian granite, and ironwork that had been prefabricated in Chelyabinsk. The assembly was done by the St Petersburg North-western Ironwork Assembly Trust.[1]

The tower is built on an island called Zaķusala in the middle of the River Daugava, and the base of the tower is located about Script error: No such module "convert". above mean sea level. The tower is built to resist winds up to Script error: No such module "convert". without any noticeable vibration[citation needed] with the help of three Script error: No such module "convert". dampers installed at the Script error: No such module "convert". level.[3] Though seismic activity is rare, the tower was designed to withstand a magnitude 7.5 earthquake.[3] The projected service life of the tower is 250 years.[1]

Bottom section

The support section of the tower rises the first Script error: No such module "convert"., comprising the three pillars that give the tower it's unusual appearance, and a central building that contains offices and machine rooms. There are two high-speed sloping elevators, one in the north-east pillar and one in the south-west pillar, that ascend the bottom section in just 42 seconds. The third pillar contains a staircase.[5] It is one of only three "tall" towers in the world that has 3 pillars;[citation needed] the others are the Avala Tower in Belgrade and Žižkov Television Tower in Prague.

Middle section

The middle section, at Script error: No such module "convert"., contains equipment and a central elevator and is enclosed by panels of COR-TEN, an aluminum-iron alloy.[5]

Top section

The top section, at Script error: No such module "convert"., is a cylindrical structure which supports and contains the various antennas, and is topped by a flagpole. An elevator rises to the machine rooms at the Script error: No such module "convert". level, and stairs ascend another Script error: No such module "convert"..[3][5]

Operations

The tower started broadcasting regularly in January 1986, though construction work continued until 1989.[6]

The following television channels are broadcast from the tower:[6]

  • Latvian Television 1
  • Latvian Television 7
  • Latvian Independent Television (LNT)
  • TV3
  • TV5
  • DVB-T (experimental)

The following radio stations broadcast from the tower:[6]

  • Latvian Radio 1
  • Latvian Radio 2
  • Latvian Radio 3 (Classical)
  • Latvian Radio 4 (Integration programme)
  • Christian radio
  • MIX FM
  • Super FM
  • Radio SWH
  • SWH+
  • SWH-ROCK
  • Europe Hit Radio
  • Radio Skonto
  • FIT FM

Additionally, broadcast and two-way communications services are provided for various organizations and government agencies.[6]

See also

Notes

^† Sources vary slightly as to the exact height: The official website shows Script error: No such module "convert".;[1] Emporis claims the exact equivalent, Script error: No such module "convert".;[3] Structurae claims Script error: No such module "convert"..[7]

References

  1. ^ a b c d e "TV Tornis : Construction/design". www.tvtornis.lv. Retrieved 13 September 2014. 
  2. ^ a b c d Strautmanis, Jānis Krastiņš; Ivars (2002). Lielais Rīgas arhitektūras ceļvedis (in Latvian). Rīga: Puse. pp. 286, 371, 372. ISBN 9789984527611. Retrieved 13 September 2014. 
  3. ^ a b c d e "Riga TV Tower, Riga : Building 110997 : EMPORIS". www.emporis.com. Retrieved 13 September 2014. 
  4. ^ "TV Tornis : Excursions". www.tvtornis.lv. Retrieved 13 September 2014. 
  5. ^ a b c "TV Tornis : Technical information". www.tvtornis.lv. Retrieved 13 September 2014. 
  6. ^ a b c d "TV Tornis : History". www.tvtornis.lv. Retrieved 13 September 2014. 
  7. ^ "Riga Television Tower (Riga, 1986) : Structurae". structurae.net. Retrieved 14 September 2014. 

External links