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EIS-0285-SA-136: Supplement Analysis

Transmission System Vegetation Management Program

Vegetation Management for the Oregon City-Chemawa #1 and #2 115 kilovolt transmission lines from Oregon City Substation to Chemawa Substation. BPA proposes to remove unwanted vegetation along the right-of-way, access roads, switch platforms, and around tower structures of the subject transmission line corridor that may impede the operation and maintenance of the identified transmission lines. BPA plans to conduct vegetation control with the goal of removing tall growing vegetation that is currently or will soon be a hazard to the transmission line. BPA’s overall goal is to have lowgrowing plant communities along the rights-of-way to control the development of potentially threatening vegetation.