Specification :

BS476-22, BS 476-22 Fire test to non-loadbearing elements of construction

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BS 476-22 Fire test to non-loadbearing elements of construction-Standard

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

BS 476-22 Fire test to non-loadbearing elements of construction-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.

BS 476-22 Fire test to non-loadbearing elements of construction-Relative Standard
> BS 476: Fire tests on building materials and structures
> BS 476-3: Fire tests on building materials and structures. Classification and method of test for external fire exposure to roofs
> BS 476-4: Fire tests on building materials and structures-Part 4: Non-combustibility test for materials
> BS 476-5: Fire Tests on Building Materials and Structures Part 5: Method of Test for Ignitability
> BS 476-6: Fire tests on building materials and structures-Part 6: Method of test for fire propagation for products
> 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
> BS 476-11: Fire tests on building materials and structures-Part 11: Method for assessing the heat emission from building materials
> BS 476-12: Fire tests on building materials and structures- Part 12: Method of test for ignitability of products by direct flame impingement
> BS 476-13: Fire Tests on Building Materials and Structures Part 13: Method of Measuring the Ignitability of Products Subjected to Thermal Irradiance
> BS 476-15: Fire Tests on Building Materials and Structures Part 15: Method of Measuring the Rate of Heat Release of Products
> 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)
> 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
> 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
> 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
> 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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