A transmission tower (colloquially termed an electricity pylon in the United Kingdom and parts of Europe, an ironman in Australia, and a hydro tower in English Canada) is a tall structure, usually a steel lattice tower, used to support an overhead power line. They are used in high-voltage AC and DC systems, and come in a wide variety of shapes and sizes. Typical height ranges from 15 to 55 metres (49 to 180 ft), though the tallest are the 370 m (1,214 ft) towers of a 2700 metres long span of Zhoushan Island Overhead Powerline Tie. In addition to steel, other materials may be used, including concrete and wood. Uses & Applications The products of the Proposed Fabrication units are covered by Well designed and fabricated structures for a. state electricity boards for the purposes of electricity supply (i,e) a) power transmission Towers, TV and Radio Towers, Telecommunication Towers, b) Railway and Highway bridges etc. c. Industrial structures etc. Four major functions of transmission towers are in use: Suspension Towers, Terminal Tower, Tension Towers & Transposition Tower. Market Survey The Indian market has also the potential to generate 150,000 MW of hydro power. The Vadodara facility received fresh investments of about USD 30 mn with a scalable manufacturing capacity that currently stands at 1500 MW per annum. The Vadodara facility is one of the three largest hydro equipments facilities in the world. With the fast development of cellular telephones, a completely new segment of tower industry has emerged. The demand has increased precipitately in sympathy with the galloping expansion of cellular telephones.
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