3.4.6.15.Revolving Doors

(1) Except as permitted by Sentence (3), a revolving door, if used, shall (a) be collapsible, (b) have hinged doors providing equivalent exiting capacity located adjacent to it, (c) be used as an exit from the ground floor level only, (d) be not less than 3 m from the foot of any stairway, and (e) have all glass in door leaves and enclosure panels conforming to (i) CAN/CGSB-12.1, “Safety Glazing,” or (ii) CAN/CGSB-12.11-M, “Wired Safety Glass.” (2) Except as permitted by Sentence (3), a revolving door shall not be considered to have an exiting capacity for more than 45 persons. (3) An electrically powered revolving door is not required to conform to Sentences (1) and (2) provided (a) the door leaves will collapse and stop automatic rotation of the door system and not obstruct the doorway if a force not more than that specified in Sentence 3.4.6.16.(2) is applied at the centre of a door leaf, (b) the door leaves are capable of being opened from inside the building without requiring keys, special devices, or specialized knowledge of the door opening mechanism, (c) the allowable exiting capacity is based on the clear width of passage through the door enclosure when the doors are fully collapsed, (d) a permanent sign, whose centre line is between 1 000 mm and 1 500 mm above the floor, is placed on each face of each door leaf indicating the method for collapsing the door leaf in an emergency, and (e) glass used for door leaves and enclosure panels is safety glazing conforming to (i) CAN/CGSB-12.1, “Safety Glazing,” or (ii) CAN/CGSB-12.11-M, “Wired Safety Glass.”