A crossing tower designed for a Jiangsu-Shanghai ultra-high voltage alternating power transmission line wrapped up construction on Oct. 28. [cyol.com]

A crossing tower designed for a Jiangsu-Shanghai ultra-high voltage alternating power transmission line wrapped up construction on Oct. 28, the Anhui Daily reported. The tower, located on the southern bank of the Yangtze River, was built by Anhui Electric Power Transmission and Transformation Engineering Company.

The dual-based 277.5-meter crossing tower, along with a four-based 74-meter anchor tower is part of a three-kilometer section of the transmission line spanning the Yangtze River. It is said to be the highest of its kind designed for ultra-high voltage power transmission. With particularly high requirements for steadiness and durability, the tower was one of most difficult structures of its kind to build.

The Jiangsu-Shanghai ultra-high voltage power transmission line stretches for 656 kilometers and includes 1,421 steel towers. The project applies the world's most advanced alternating power transmission technology. Upon its completion at the end of 2013, it will transmit over 50 billion kilowatts of power each year to Shanghai, predicted to be the largest capacity of high-voltage electricity ever transmitted.

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