Hotlines
  • 995

    Fire Engine/ Ambulance

  • 1777

    Non-Emergency Ambulance

  • Fire Hazard Reporting

    1800 280 0000

  • General Enquiries

    1800 286 5555

  • 995

    Fire Engine/ Ambulance

  • 1777

    Non-Emergency Ambulance

Search Fire Code by:

Navigate to:

Legend: Explanations & Illustrations Rationale Note Revision history Print

CLAUSE 3.4 TESTS OF FIRE RESISTANCE

3.4.1 Fire resistance

E

Performance for the fire resistance of elements of structure and other forms of construction shall be determined by reference to the methods specified in BS 476: Part 20 to 23, which specify tests for stability, integrity and insulation.

Specific requirements for each element in terms of the three performance criteria of stability, integrity and insulation are given in Table 3.4A.

3.4.2 “Deem to satisfy” provisions

E

An element of structure or other part of a building shall be deemed to have the requisite fire resistance if:

a. it is constructed to the same specification as that of a specimen exposed to test by fire in accordance with the method and procedure under BS 476: Part 20 to 23, and satisfied the requirements of that test for the three performance criteria of stability, integrity and insulation for not less than the specified period, or

b. in the case of a wall, beam, column, stanchion or floor to which Annex 3A to Cl.3.4 relates, it is constructed in accordance with one of the specification set out in that Annex and the notional period of fire resistance given in that Annex as being appropriate to that type of construction and other relevant factors is not less than the specified period.