; and (B) the total unreclaimed surface disturbance at any one time within the project area is less than 5 acres; (6) any repair, maintenance, upgrade, optimization, or minor addition to existing transmission and distribution infrastructure, including— (A) operation, maintenance, or repair of power equipment and structures within existing substations, switching stations, transmission, and distribution lines; (B) the addition, modification, retirement, or replacement of breakers, transmission towers, transformers, bushings, or relays; (C) the voltage uprating, modification, reconductoring with conventional or advanced conductors, and clearance resolution of transmission lines; (D) activities to minimize fire risk, including vegetation management, routine fire mitigation, inspection, and maintenance activities, and removal of hazard trees and other hazard vegetation within or adjacent to an existing right-of-way; (E) improvements to or construction of structure pads for such infrastructure; and (F) access and access route maintenance and repairs associated with any activity described in subparagraph (A) through (E); (7) approval of and activities conducted in accordance with operating plans or agreements for transmission and distribution facilities or under a special use authorization for an electric transmission and distribution facility right-of-way; and (8) construction, maintenance, realignment, or repair of an existing permanent or temporary access road— (A) within an existing right-of-way or within a transmission or utility corridor established by Congress or in a land use plan; (B) that serves an existing transmission line, distribution line, or energy facility