The test was performed in accordance with the procedure specified in bs 476. This standard has been superseded by the current bs en 16341, but it has been. The standards produced are titled british standard xxxxp. Fire resistance testing bs 476 the building test centre. All materials shall be tested in accordance with the relevant sections of bs 476. Temperature rise furnace and centre of specimen should be. Fire resisting ductwork tested to bs 476 part 24 blue book. See also, fire resisting ductwork classified according to bs en 501 parts 3 and 4 european version blue book. This part should be read in conjunction with bs 476 20. Bs 476 part 7 specifies a method of test for measuring the lateral spread of flame along the surface of a specimen of a product orientated in the vertical position under opposed flow conditions, and a classification system based on the rate and extent of. Superseded by fire resisting ductwork tested to bs 476 part 24 blue book. The building regulations stipulates the rules and the degree of fire resistance of the elements of structure. Bsi group currently has over 27,000 active standards. Method for determination of the fire resistance of elements of construction general principles the sample exposed to high temperature and pressure conditions, the test samples within the specified time bearing weight, integrity.
Method of test for determination of the fire resistance of elements of construction general principles british standard bs 476 20 fire resistance of load bearing elements british standard. 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. Bs 476 fire tests on building materials and structures. Bs 4767 1997 fire tests on building materials, spread of flamepdf. Fire tests on building materials and structures bs 476. Fire classification in accordance with british standards the british standard which deals with thermal insulation materials is bs 5422.
Iso 6944 1985 fire resistance tests ventilation ducts. Methods for determination of the fire resistance of elements of construction general principles. Fire tests on building materials and structures part 7. Part 24 1987 method for determination of the fire resistance of ventilation ducts. Flat plate section aa clamping frame in closed position with specimen in situ. British standards institution bsi the british standards institution bsi is the uk national body providing the organisation, facilities and structure for the preparation of uk national standards. British standards online is the most authoritative current site for all bsi publications. A bs 476 7 fire test to building material standard. Fire test center will provide british standard bs 476 7 surface flammability test to. On july 1, 20, the construction products directive cpr becomes a statutory requirement and bs476 part 24 1987 will be withdrawn and the bs en 12101 series part construction standards will take precedence. It i s, t h e r e f o r e, i n s t i t u t i o n g u i d e bs 5760, arguments b s 5760. In regards to british standards 476, is there an nfpa standard equivalent.
Others have answered on the buildings question ill speak to the wider issue it depends on the standard. Fire tests on building materials and structures method of test to determine the classification of the surface spread of flame of products. British standards are the standards produced by bsi group which is incorporated under a royal charter and which is formally designated as the national standards body nsb for the uk. Compliance with a british standard does not of itself confer immunity from legal obligations. Part 7 was initiated by some disastrous fires caused by rapid flame spread along wall linings. Bs 476 21 fire test on building materials and structurespart 21.
Method for classification of the surface spread of flame of products. Home publication index british standards institution bs 4768. Users of british standards are responsible for their correct application. Products are commonly specified as meeting a particular british standard. Set up standards of quality for goods and services, and prepare and. British standards bs are the standards produced by the bsi group which is incorporated under a royal charter and which is formally designated as the national standards body nsb for the uk. This part of bs 476 is published by bsi standards limited, under licence from the british standards institution. Bs 476 is the british standard produced by bsi group and is the common standard adhered to in the gcc region, united kingdom and europe.
Download bs standard, bs codes, bsi publications which published by british standards institution for free. Presentday test procedure to determine the behaviour of building materials and structures under fire conditions is described and defined in british standard 476 which seeks to provide standards whereby old and new materials and methods of construction may be accepted or rejected on definite grounds by precepting authorities for their fitness or otherwise for the purpose in view. Nfpa equivalent to british standard 476 nfpa xchange. Summary of pages this document comprises a front cover, an inside front cover, pages i and ii. This part should be read in conjunction with bs 476 20 which describes the general principles for. Bs47621 bs 476 21 load bearing for fire resistance standard. Fire tests on building materials and structures external fire exposure roof tests 2.
Can you download british standards for free like the. There has been a movement in the standards community in recent years to make. Bs 476 refers to the british standard for fire tests on building materials and structures. An example of a downloadable british standard is bs en iso 9001. Most are available for a fee, but some are freely available. Fire classification in accordance with british standards. Method of test to determine the classification of the surface spread of flame of products british standard available for subscriptions.
The purpose of bs476 part 24 and iso6944 is to measure the ability of a ductwork system to resist the spread of fire from one fire compartment to another. 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. Fire resisting ductwork tested to bs 476 part 24 blue. The following is a list of documents relevant to timber fire doors bs 476. British standards institution, sales department, linford wood, milton keynes, m k i 4 6le, england, discussions h e l d on w h a t i s m e a n t b y r e l i a b i l i t y. This part of bs 476 specifies a method of test for measuring the. The products we provide have been tested to this british standard for up to.
Fire tests on building materials and structures part 20. Bs 476 20 fire tests on building materials and structures part 20. British standards bs are the standards produced by the bsi group which is incorporated under a royal charter and which is formally designated as the national standards body for the united kingdom uk. Method for determination of the fire resistance of load bearing elements of construction. Since securing the following equivalency certification, emseal has secured two cemarked and fully tested expansion joint system tested according to en 664. For domestic applications the standard recommends that.
Fire protection has already embarked on this testing programme. Products are commonly specified as meeting a particular british standard, and in. Tests are carried out to british and european test standards. All bsi british standards available online in electronic and print formats. All bsi british standards are available online in pdf or hardcopy. The preparation of this british standard was entrusted by the fire.
Bs 476 part 20 and en 664 compliant fire rating expansion joints. This part should be read in conjunction with bs 476 20 which describes the general principles for these methods. The bsi group produces british standards under the authority of the royal charter in the united kingdom, which states that one of bsis objectives is to create standards of quality for goods and services. Once you have purchased your british standards download you will be entitled to download one copy of each british standards pdf onto a single computer. A related british standard to iso 834 is bs 476 20. Yyyy where xxxx is the number of the standard, p is the number of the part of the standard where the standard is split into multiple parts and yyyy is the year in which the standard came into effect. An example of a bs standard that cannot be purchased as a downloadable british standard is bs 5252f.