(1) The fire separation required by Sentence 3.3.5.5. (1) between a care, care and treatment or detention occupancy and a repair garage shall have no openings.
(2) Except as permitted by Sentence (4), in a Group B, Division 3 occupancy, walls between sleeping rooms and adjacent rooms shall be constructed as fire separations having a fire-resistance rating not less than 1 h, except that the fire-resistance rating need not be more than 45 min where the floor assembly is not required to be more than 45 min.
(3) Except as permitted by Sentence (4), in a Group B, Division 3 occupancy, walls separating corridors serving sleeping rooms from adjacent rooms shall be constructed as fire separations having a fire-resistance rating not less than 1 h, except that the fire-resistance rating need not be more than 45 min where the floor assembly is not required to be more than 45 min.
(4) The walls separating sleeping rooms from adjacent rooms and corridors in those parts of a floor area classified as a Group B, Division 3 occupancy shall be constructed as fire separations but are not required to have a fire-resistance rating if,
(a) those parts of the floor area contain sleeping accommodation for not more than 10 persons, and
(b) not more than six occupants require assistance in evacuation in case of an emergency.
(5) The door in the fire-separation required in Sentence (4) is permitted to be equipped with a roller latch and need not be provided with a self-closing device.