§ 650. Application. This article shall apply to a member of the New York city employees' retirement system (i) who holds the position of bridge and tunnel officer, sergeant or lieutenant with the Triborough bridge and tunnel authority, and has received or receives an appointment to at least one such position from a competitive civil service list; or (ii) who holds the position of assistant bridge and tunnel maintainer, bridge and tunnel maintainer, senior bridge and tunnel maintainer or laborer with the Triborough bridge and tunnel authority, provided, however, that this article shall not apply to a New York city revised plan member (as defined in subdivision m of section six hundred one of this chapter).