Electricity Today T&D Magazine

Developing protective coating maintenance strategies

BY GEORGE JUHN & ALEX MOGILEVSKY, CEATI International

Aging of the electrical transmission infrastructure has resulted in an increased need for maintenance to ensure a reliable supply of power to customers who have higher expectations than ever before. Further complicating the situation is an increase in electrical congestion and the financial implications of shutting down a supply or network line for extended periods of time to carry out the required maintenance. In response to these system, financial, and customer demands, many utilities are led to perform maintenance on energized transmission lines.

As one travels throughout North America and takes a close look at the many transmission structures, it is evident that there is, or will be, a necessity to invest in reinstating protective coating to prevent any further deterioration.

The potential consequences of performing this “live line” work has led to a need to document...