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EIS-0285-SA-108: Supplement Analysis

Transmission System Vegetation Management Program

Vegetation Management along the Satsop-Aberdeen #2 230kV transmission line corridor from structure 1/1 through structure 11/5. BPA proposes to remove unwanted vegetation along the right-of- way, access roads and around tower structures along the subject transmission line corridors. Approximately 11 miles of right-of-way will be treated using selective and non-selective methods that include hand cutting, mowing and herbicide treatments. Approximately 0.8 miles of access roads will be cleared using selective and non-selective methods that include hand cutting, mowing and herbicide treatments. Tower sites will be treated using selective and non-selective methods that include hand cutting, mowing and herbicide treatments. Vegetation management is required for unimpeded operation and maintenance of the subject transmission line. See Section 1of the attached checklist for a complete description of the proposal.