3.5.3. Fire Separations

3.5.3. Fire Separations
3.5.3.1.
    Fire Separations for Elevator Hoistways
  1. Except as permitted by Sentence (2), a vertical service space used as an elevator hoistway shall be separated from all other portions of each adjacent storey by a fire separation having a fire-resistance rating conforming to Table 3.5.3.1. for the fire-resistance rating required by Subsection 3.2.2. for
    1. the floor assembly above the storey, or
    2. the floor assembly below the storey, if there is no floor assembly above.


      Table 3.5.3.1.
      Fire Separation for Vertical Transportation Space

      Forming Part of Articles 3.5.3.1.and 3.5.3.2.

  2. Passenger elevators, other than those provided for firefighters in accordance with Article 3.2.6.5., are permitted to be located within interconnected floor space without being enclosed in a hoistway separated from the remainder of the building, provided the elevator machinery is located in a room separated from the remainder of the building by a fire separation having a fire-resistance rating not less than that required for hoistways by Sentence (1).
3.5.3.2.
    Vertical Service Spaces for Dumbwaiters
  1. A vertical service space containing a dumbwaiter shall be separated from all other portions of each adjacent storey by a fire separation having a fire-resistance rating conforming to Table 3.5.3.1. for the fire-resistance rating required by Subsection 3.2.2. for
    1. the floor assembly above the storey or
    2. the floor assembly below the storey, if there is no floor assembly above.
3.5.3.3.
    Fire Separations for Elevator Machine Rooms
  1. Except as permitted by Sentence (2), a room containing elevator machinery shall be separated from all other parts of the building by a fire separation having a fire-resistance rating not less than that required for the vertical service space containing the elevator hoistway.
  2. A room containing elevator machinery need not be separated from the elevator hoistway that it serves provided the room and the hoistway are separated from all other parts of the building by a fire separation having a fire-resistance rating not less than that required for the vertical service space containing the elevator hoistway.