Transmission West hosts demonstration of rope access live-line maintenance

Kyleonharness (2)On June 30, with temperatures in the high 90s, Tri-State’s Montrose-based line maintenance crews (as well as Cheyenne-based personnel) climbed into their bare hand suits and scaled a 150-foot steel transmission tower on the association’s Montrose to Grand Junction, 345-kV line to replace a broken insulator string and demonstrate rope access live-line procedures to visiting utility personnel, including two guests from as far away as England.

Tri-State’s line crews are among the industry leaders in this unique procedure, which is used primarily in situations where the rugged terrain at a site doesn’t allow for the use of aerial bucket trucks and other ground support equipment typically used in tansmission line maintenance.

“The main difference in this rope access procedure of live-line work is that instead of our crews working out of a bucket truck or off of a hot stick ladder they are dangling from a rope harness in the air to conduct their work,” explained Mac Fellin, West-side transmission maintenance manager.  “Ultimately this procedure is safer than the conventional method, reduces time in setup and preparation and results in lower maintenance costs overall,” he added.

Attendees at the demonstration included transmission personnel from Western Area Power Administration, Salt River Project, Bonneville Power Administration, Nebraska Public Power District and two linemen from National Grid Company, based in England.

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