Caldron Falls-Goodman project about 60% complete, ATC says

American Transmission Company on Oct. 24 told the Public Service Commission that actual project costs as of Sept. 30 for the Caldron Falls-Goodman (J-88) Project were about $16.7m

American Transmission Company (ATC) on Oct. 24 told the Public Service Commission that actual project costs as of Sept. 30 for the Caldron Falls-Goodman (J-88) Project were about $16.7m.

The commission-authorized amount for the total project cost was about $28.2m, the company said, adding that the revised project cost estimate as of Dec. 31, 2018, was about $25.2m.

According to the project’s webpage, ATC plans to rebuild a 21-mile, 69-kV transmission line in Marinette County between the Caldron Falls Hydro substation on Boat Landing 8 Road and the Goodman substation on 614 Woods Lake Road. The line is in an aged condition and reaching the end of its asset life, the site noted, adding that the project will involve removing the existing line and building a new line in the same corridor, but generally offset about 38 feet from the current line. The offset is necessary because the existing line cannot be taken out of service for an extended period, according to the site, which also noted that additional work will be required at the Caldron Falls and Goodman substations, as well as the Fox Hills switching station.

In its Oct. 24 quarterly progress report for the period July 1 through Sept. 30 filed with the commission, ATC said that the project has received the U.S. Army Corps of Engineers permit; the Wisconsin Department of Natural Resources (WDNR) utility permit; and the WDNR storm water and erosion control permit.

Discussing the project status, ATC said that easement acquisition is complete; detailed design engineering is complete; physical construction of the project is about 60% complete; restoration of the right of way has begun; and receipt of materials continues.

The planned in-service date for the project is June 2020 or earlier, ATC said.