Fundamentals of Transmission Line Tower Foundations and Some Life Extension Measures for New Lines

Transmission line towers are vital for facilitating power transmission from generation to load centers. Transmission line towers of various configurations and designs have to be constructed to different specifications. Many of the transmission line towers are passing though areas of different environmental conditions causing adverse effect on the life of such important structures. In this article various types of transmission line tower foundations being practiced in our country and causes for failures of foundation have been discussed. Life extension measures for new transmission line tower foundations have been presented.