OREANDA-NEWS. On 03 July 2009 was announced, that OJSC Zapsibelektrosetstroy Trust (member of IES-EnergoStroyEngineering Group) celebrates the 35th anniversary of its establishment.

The trust was established in 1974 on the basis of Uralelektrosetstroy, the oldest trust in the history of the Soviet power industry, and became the pioneer of electric grid construction in the Tyumen North. Continued field developments in the North and Nizhnevartovsk district led to the transformation of the basic trust Zapsibelektrosetstroy into another two grid construction trusts in 1980: Nadymelektrosetstroy Trust in the town of Nadym headed by I.A. Kirtbaya, Megionelektrosetstroy Trust in the town of Megion headed by Y.V. Chekrygin, and the basic Zapsibelektrosetstroy Trust in the town of Surgut headed by N.N. Lipatov.

In the course of time specialists from Zapsibelektrosetstroy Trust mastered new technologies in the field of electric grid construction: in collaboration with airmen they developed various methods of power transmission towers installation, and cables and wires unwinding using helicopters. These methods were tested during the construction of the passage across the Surgut SDPP reservoir on 500 kV Surgut SDPP overhead transmission line, Megion. Helicopter technology of construction contributed to significant time and cost savings. With the help of helicopters the towers for new constructions were installed on the railroad bridge over the Ob River nearby Surgut.

In 1993, the trust was reorganized into OJSC Zapsibelektrosetstroy pursuant to Decree of the President of the Russian Federation No. 721 and Decree of the President of the Russian Federation No. 993 of August 15, 1992 "On the organization of management of the electric energy complex of the Russian Federation in the conditions of privatization". Nowadays the trust includes two column convoys in Surgut: Column convoy No. 111 and Column convoy No. 114.

In early 2005 OJSC Zapsibelektrosetstroy became part of IES-EnergoStroyEngineering Group.

The trust's achievements include more than 50 thousand kilometers of overhead transmission lines, and more than 800 transformer plants. It also has experience in construction of big passages across large navigable Siberian rivers using rare and unique technologies, including installation of a PP330-2/70 tower with the help of two 50m high falling jibs operating simultaneously. All that supported and continues to facilitate the development and operation of the oil-and-gas industry, forest sector, railways, and habitability of the cities in the North and Siberian regions. During its operation period the company gained prominence in Russia and deserved the reputation of the largest electric grid construction trust in Western Siberia.