Kiev TV Tower
Encyclopedia
The Kiev TV Tower is a 385-metre (1,263-foot) lattice
Lattice tower
A lattice tower or truss tower is a freestanding framework tower. They can be used as electricity pylons especially for voltages above 100 kilovolts, as a radio tower or as an observation tower....

 steel
Steel
Steel is an alloy that consists mostly of iron and has a carbon content between 0.2% and 2.1% by weight, depending on the grade. Carbon is the most common alloying material for iron, but various other alloying elements are used, such as manganese, chromium, vanadium, and tungsten...

 tower
Tower
A tower is a tall structure, usually taller than it is wide, often by a significant margin. Towers are distinguished from masts by their lack of guy-wires....

 built in 1973 in Kiev
Kiev
Kiev or Kyiv is the capital and the largest city of Ukraine, located in the north central part of the country on the Dnieper River. The population as of the 2001 census was 2,611,300. However, higher numbers have been cited in the press....

, Ukraine
Ukraine
Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

, for radio
Radio
Radio is the transmission of signals through free space by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space...

 and television
Television
Television is a telecommunication medium for transmitting and receiving moving images that can be monochrome or colored, with accompanying sound...

 broadcasting
Broadcasting
Broadcasting is the distribution of audio and video content to a dispersed audience via any audio visual medium. Receiving parties may include the general public or a relatively large subset of thereof...

. It is the tallest freestanding lattice steel construction in the world. The tower is not open to the public.

Construction began in 1968 and finished in 1973 at a cost of approximately $12 million. Made of steel pipe of various diameter
Diameter
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circle. The diameters are the longest chords of the circle...

s and thicknesses, the structure weighs 2,700 tonne
Tonne
The tonne, known as the metric ton in the US , often put pleonastically as "metric tonne" to avoid confusion with ton, is a metric system unit of mass equal to 1000 kilograms. The tonne is not an International System of Units unit, but is accepted for use with the SI...

s. The central pipe, or core, where the elevator
Elevator
An elevator is a type of vertical transport equipment that efficiently moves people or goods between floors of a building, vessel or other structures...

 is located, is 4 metres in diameter and made of pipe that is 12 mm thick. It sits on a four-legged base that is about 100 metres tall. Atop the base is an enclosed level which houses microwave
Microwave
Microwaves, a subset of radio waves, have wavelengths ranging from as long as one meter to as short as one millimeter, or equivalently, with frequencies between 300 MHz and 300 GHz. This broad definition includes both UHF and EHF , and various sources use different boundaries...

 transmitting and receiving equipment. At about 200 metres is a second enclosed level that houses television and FM transmitters, as well as a control and maintenance shop. This second level is the elevator's terminus.

The tower is unique in that no mechanical fasteners are used in the structure: every joint, pipe and fixture is attached by welding
Welding
Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material that cools to become a strong joint, with pressure sometimes...

.

The tower was first designed for Moscow
Moscow
Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

, then the Soviet capital. But Moscow authorities preferred a more "solid" type of tower which was eventually built (Ostankino Tower
Ostankino Tower
Ostankino Tower is a free-standing television and radio tower in Moscow, Russia. Standing tall, Ostankino was designed by Nikolai Nikitin. It is a member of the World Federation of Great Towers, currently the tallest in Europe and 4th tallest in the world. The tower was the first free-standing...

). Later, when Kiev needed its own tower, the project was reintroduced. The Soviet government ordered the engineers to shorten the tower by almost 30%, so as not to be as tall as the Moscow one.

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