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Helicopter, air saw to be used for tree trimming

Ground access to transmission line corridor presents difficulties

A helicopter and heavy-duty air saw will be used to trim trees along a 20-mile transmission line corridor west of Stevens Point, Wis., this week.

“Difficult terrain and wetlands around the transmission line corridor make it very difficult to access with ground crews,” said Dan Horton, vegetation management specialist for American Transmission Co. “The helicopter and air saw allow trimming to be performed in a few hours; a ground-based crew might take several days to accomplish the same amount of work in difficult conditions.”

ATC has contracted with Aerial Solutions, Inc., a company that specializes in aerial tree management along transmission line corridors. The helicopters are equipped with a heavy-duty air saw with rotary blades suspended on a 90-foot vertical boom. In some areas, additional vegetation may be removed by ground crews.

Managing the growth of trees and other vegetation is key to helping ensure public safety and electric system reliability. ATC performs routine vegetation management on its 9,480 miles of transmission lines in five-year cycles.

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ATC is a Wisconsin-based company that moves energy along the regional electric grid in parts of Wisconsin, Michigan, Minnesota and Illinois, serving more than 5 million electric consumers. We are experts at what we do: planning, maintaining, operating and protecting the grid. As the electric industry moves toward renewable generation sources, we are transforming our system to continue delivering energy reliably and safely. We proudly support STEM education programs that empower youth with the skills needed to succeed in tomorrow’s energy workforce. For more information, visit www.atcllc.com and follow us on LinkedIn and X (Twitter).