; and (ii) is not more than 50 feet tall or 10 feet taller than any existing structure in the public right-of-way, whichever is higher; (B) such new facility is— (i) a replacement for an existing communications facility; and (ii) the same as, or substantially similar to (as such term is defined by the Commission), the existing communications facility that such new communications facility is replacing; (C) such new facility is a type of communications facility that— (i) is described in section 6409(d)(1)(B) of the Middle Class Tax Relief and Job Creation Act of 2012 ( 47 U.S.C. 1455(d)(1)(B) ); and (ii) meets the size limitation of a small antenna established by the Commission; or (D) the placement and installation of such new facility involves the expansion of the site of an existing communications facility not more than 30 feet in any direction. (5) Federal authorization The term Federal authorization — (A) means any authorization required under Federal law with respect to a project; and (B) includes any permits, special use authorizations, certifications, opinions, or other approvals as may be required under Federal law with respect to a project. (6) Public right-of-way The term public right-of-way — (A) means— (i) the area on, below, or above a public roadway, highway, street, sidewalk, alley, or similar property; and (ii) any land immediately adjacent to and contiguous with property described in clause (i) that is within the right-of-way grant