Categorical Exclusion Determination
Office of NEPA Policy and Compliance
June 13, 2017
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The Western Area Power Administration, Sierra Nevada Region, is proposing to upgrade security measures at the New Melones Substation in order to provide the most updated and secure critical infrastructure protection for all DOE WAPA SN maintained facilities. Sierra Nevada will install a new entrance card reader and protective bollard barriers around the card reader located on the existing asphalt driveway/entrance at each of the substations.