3.1.8.17.Temperature Rise Limit for Doors

(1) Except as permitted by Article 3.1.8.19., the maximum temperature rise on the opaque portion of the unexposed side of a door used as a closure in a fire separation in a location shown in Table 3.1.8.17. shall conform to the Table when tested in conformance with Sentence 3.1.8.4.(1). Table 3.1.8.17. Restrictions on Temperature Rise and Glazing for Closures Forming Part of Articles of 3.1.8.17. and 3.1.8.18. Maximum Maximum Maximum Aggregate Minimum Required Temperature Rise on Aggregate Area Area of Glass Block, Location Fire-Protection Rating Opaque Portion of of Wired Glass or Wired Glass or Safety of Door Unexposed Side of Safety Glazing in Glazing Panels Not in Door, °C a Door, m2 a Door, m2 Between a dead-end corridor and an Less than 45 min No limit No limit No limit adjacent occupancy where the corridor provides the only access to exit and is required to have a fire-resistance rating 45 min 250 after 30 min 0.0645 0.0645 Between an exit enclosure and the remainder of the floor area in buildings not All ratings No limit 0.8 0.8 more than 3 storeys in building height 45 min 250 after 30 min 0.0645 0.0645 Between an exit enclosure and the remainder of the floor area (except as 1.5 h 250 after 1 h 0.0645 0.0645 permitted above) 2h 250 after 1 h 0.0645 0.0645 45 min 250 after 30 min 0.0645 0 In a firewall 1.5 h 250 after 30 min 0.0645 0 3h 250 after 1 h 0 0