ü  Fire Tests on Building materials and structures – Part 22.Methods for determination of the fire resistance of non-loadbearing elements of construction

Ä BS 476-22 Fire Resistance Test to Building Material – Standard Brief

BS 476-22 describes procedures for determining the fire resistance of non-loadbearing elements of building construction when subjected to the heating and pressure conditions specified in BS 476-20. This Part is applicable to vertical partitions, to fully insulated, partially insulated and uninsulated vertical doorsets and shutter assemblies (except fire dampers incorporated in ducts), to ceiling membranes, and to glazed elements. The methods described are appropriate to normal combinations of these elements.

BS 476-22 has been prepared under the direction of the Fire Standards Committee, and describes the procedures for determining the fire resistance of non-loadbearing elements of building construction. This Part should be read in conjunction with BS 476-20 which describes the general principles for these methods.

This Part has been prepared in such a way as to allow reference to be made to the appropriate method of determining the fire resistance of the designated element by clause number only. Therefore clauses 5 to 7 are selfcontained and cross refer to BS 476-20 where necessary.

Methods for determining the fire resistance of loadbearing elements that have a finite fire resistance and of components that make a contribution to the fire resistance of a structure are described in BS 476-21 and 23 respectively. The general changes made to the methods described in this Part compared with BS 476-8 are described in the foreword to BS 476-20. Appendix A gives guidance and background information which will assist the designer and the testing laboratory to select and evaluate specimens that are representative of “in use” situations.

The methods described are not relevant to the assessment of the penetration of smoke under cold and/or medium temperature conditions, and for such

information on doorsets and shutter assemblies, the methods described in BS 476-31.1 and in other Sections of Part 31 (in preparation) are applicable.

Ä BS 476-22 Fire Resistance Test to Building Material – Relative Standard 

ü BS 476：Fire tests on building materials and structures

ü BS 476-3：Fire tests on building materials and structures. Classification and method of test for external fire exposure to roofs

ü BS 476-4：Fire tests on building materials and structures - Part 4: Non-combustibility test for materials

ü BS 476-5：Fire Tests on Building Materials and Structures Part 5: Method of Test for Ignitability

ü BS 476-6：Fire tests on building materials and structures — Part 6: Method of test for fire propagation for products

ü BS 476-7：Fire Tests on Building Materials and Structures Part 7: Method of Test to Determine the Classification of the Surface Spread of Flame of Products

ü BS 476-11：Fire tests on building materials and structures — Part 11: Method for assessing the heat emission from building materials

ü BS 476-12：Fire tests on building materials and structures — Part 12: Method of test for ignitability of products by direct flame impingement

ü BS 476-13：Fire Tests on Building Materials and Structures Part 13: Method of Measuring the Ignitability of Products Subjected to Thermal Irradiance

ü BS 476-15：Fire Tests on Building Materials and Structures Part 15: Method of Measuring the Rate of Heat Release of Products

ü BS 476-20：Fire Tests on Building Materials and Structures Part 20: Method for Determination of the Fire Resistance of Elements of Construction (General Principles)

ü BS 476-21：Fire Tests on Building Materials and Structures Part 21: Methods for Determination of the Fire Resistance of Load bearing Elements of Construction

ü BS 476-22：Fire Tests on Building Materials and Structures Part 22: Methods for Determination of the Fire Resistance of Non- Load bearing Elements of Construction

ü BS 476-23：Fire Tests on Building Materials and Structures Part 23: Methods for Determination of the Contribution of Components to the Fire Resistance of a Structure

 ü BS 476-24：Fire Tests on Building Materials and Structures Part 24: Method for Determination of the Fire Resistance of Ventilation Ducts

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