Avista structures replacement

WHITMAN COUNTY – Avista is replacing about 140 structures between Marengo and Shawnee as part of a 115kV transmission rebuild. The approximately 68-mile section is part of a rebuild that began in Lind and ends at the Shawnee Substation just southeast of Colfax via Ewan and Diamond.

"It's a pretty big replacement project," said Paul J. Kimmell, business and public affairs for the Palouse region.

The rebuilt is primarily focused on pole replacement and reinforcement of structures with wood poles being replaced by steel ranging from 65 to 90 feet in height. The poles are tall enough to allow clea...