(1) Where an enclosed terminal serves vehicles powered by combustible fuels, and the terminal has direct access to a rapid transit station,
                                
                                
                                (a) the terminal shall be sprinklered, and
                                
                                
                                (b) the terminal shall be separated from the rapid transit station,
                                
                                
                                (i) by a fire separation having a fire-resistance rating not less than 1 h, or
                                
                                
                                (ii) by wired glass assemblies conforming to MMAH Supplementary Standard SB-2, “Fire Performance Ratings”, with wired glass doors equipped with self-closing devices.
                                
                                
                                (2) Doors in the fire separation or in the wired glass assembly in Clause (1) (b) are not required to have latches where close spaced sprinkler protection is provided on the station side.