To achieve class 0 a product must achieve class 1 in the part 7 test and also pass the part 6 test. Method for determination of the fire resistance of nonloadbearing elements of construction. Form in which the specimens were tested the specimens were tested in the form of a composite. Bs 47620 fire tests on building materials and structures. The impact of european fire test and classification standards on. Method for determination of the fire resistance of elements of construction general principles standard by bsi group, 05291987. Fire resistance test utilising the general principles of bs. The bs4766 fire propagation test provides information on the influence that a simple material, a composite of materials or an assembly of materials, would make to the rate of fire growth within a. Furnace the furnace was controlled so that its mean temperature complied with the. Bs 476 fire tests on building materials and structures. Prior to the tests, all of the specimens were conditioned to constant mass at a temperature of 23 2c and a relative humidity of 50 5%.
Page 6 of 29 instrumentation general the instrumentation and measuring equipment provided was in accordance with bs 476. Method for classification of the surface spread of flame of products. Tests on a calcium silicate board substrate using the current national tests bs 476 parts. This part of bs 476 specifies a method of test, the result being expressed as a fire propagation index, that provides a comparative measure of the contribution to the growth of fire made by an essentially flat material, composite or assembly. Fire performanc e technical performance and principles of system. Methods for determination of the contribution of components to the fire resistance of a structure british standard detailed test requirements for the contribution made by suspended ceilings to beams and by intumescent seals to doorsets and shutter assemblies. Bs 476 22 has been prepared under the direction of the fire standards committee, and describes the procedures for determining the fire resistance of nonloadbearing elements of building construction. Exova warringtonfire to the sponsor of the report and must only be reproduced in full. Method of test to determine the classification of the surface spread of flame of products 6 firestoper tiada bs 476 20. To determine the performance of a product when it is subjected to the conditions of the test specified in bs part 7. Method for determination of the fire resistance of elements of construction general principles bs 476. Part 24 1987 method for determination of the fire resistance of ventilation ducts. Each doorset had overall nominal dimensions of height 2034 mm and width 850 mm and incorporated a leaf of. This revision of the standard involved a change in the material used to construct the combustion chamber.
This method of test, the result being expressed as a fire propagation index, provides a comparative measure of the contribution to the growth of fire made by an essentially flat. The test produces a fire rating of class 1, 2, 3 or 4 depending upon how far a flame travels over a coated surface. Method of test to determine the classification of the surface spread of flame of products. Piawaian yang dirujuk bagi pengeluaran sijil perakuan bahan. The dfr2 joint products are ul listed file no r26111, for use in joint system nos. Iso 6944 1985 fire resistance tests ventilation ducts. Dec 15, 2017 the procedures adopted for the original test bs 476. The need for a glossary covering terms used in bs 476 has been established and this will be published separately as a british standard glossary of terms and definitions associated with fire. Flameshield fireduct, fire rated ductwork, bs 476 part 24. When designing a building a very important consideration is how it will behave in fire and ensure the elements of structure will not collapse but remain standing or hold back the fire for a prescribed time. Bs4766 fire propagation apparatus concept equipment. Fire tests on building materials and structures part 7. This document was uploaded by user and they confirmed that they have the permission to share it. Requirements and tests for exposed surfaces having.
A bs 476 6 fire test to building material standard brief this part of bs 476 specifies a method of test, the result being expressed as a fire propagation index, that provides a comparative measure of the contribution to the growth of fire made by an essentially flat material, composite or assembly. The test was performed in accordance with the test procedures specified in bs. It is primarily intended for the assessment of the performance of internal wall and ceiling linings. The definitions tor a material, composite and assembly have been assumed to be those given in bs 476. Furnace the furnace was controlled so that its mean temperature complied with the requirements of bs 476. The test was performed in accordance with the procedure specified in bs 476. It provides data suitable for comparing the performances of. Flat plate section aa clamping frame in closed position with specimen in situ. This version of the report has been produced from a. Conclusion the tested specimen has been subjected to a fire resistance test in accordance with bs 476 20 and bs 476 22, the fire resistance performance of the specimen was judged against the criteria for insulation and integrity. All bsi british standards available online in electronic and print formats. The spread of fire within a building can be restricted.
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