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CX-011688: Categorical Exclusion Determination

Insulator Replacement on North Bonneville-Midway No. 1 Transmission Line (update to previous CX issued 7/16/13)
CX(s) Applied: B4.6
Date: 11/12/2013
Location(s): Washington
Offices(s): Bonneville Power Administration

Bonneville Power Administration (BPA) is proposing to replace insulators along the North Bonneville-Midway No. 1 230-kilovolt transmission line. The original project comprised of replacing insulators on the transmission line structures 1/1 to 10/1 as described in the previous Categorical Exclusion for this project (7/16/13). BPA is now proposing to extend the insulator replacement work by about 2 miles; from structure 10/1 to 12/3.