Bs 47622 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 resistance testing bs 476 the building test centre. Bs 47620 fire tests on building materials and structures. The least tested part of the british standard is part 22, where the ceiling element is nonloadbearing and is required to provide an integrity and insulation performance independent from the supporting floor construction. The three part system consists of 2 glazing seals and 1 aperture liner. This part of bs 476 has been prepared under the direction of the fire standards committee, and describes the specific equipment and procedures for determining. Ms5 page 1 of 5 schedule of accreditation issued by united kingdom accreditation service 2 pine trees, chertsey lane, stainesuponthames, tw18 3hr, uk. Method for determination of the fire resistance of load bearing elements of construction this part, together with bs 476. This version of the report has been produced from a.
Bs 476 part 20, the objective of determining fire resistance, as described in the part and the associated parts of bs 476, is to assess the behaviour of a specimen of an element of building construction when subjected to defined heating and pressure condi. The test was performed in accordance with the procedure specified in bs 476. Commentary false ceilings and elevated floors forming part of an air plenum should be non combustible see subsection e10. Bs 476 part 22 fire tests on building materials and structures. Fire tests on building materials and structurespart 22. Methods for determination of the contribution of components to the fire resistance of a structure licensed copy. This part should be read in conjunction with bs 47620 which. Part 221987, applied to gorter roof hatch rhtei dear mr. The ceiling may act as a horizontal partition either suspended from a secondary structure or.
This part, together with bs 47620, bs 47621, bs 47622 and bs 47624. This part of bs 476 is published by bsi standards limited, under licence from the british standards institution. This part should be read in conjunction with bs 476 20 which describes the general principles for these methods. The sample exposed to high temperature and pressure conditions, the test samples within the specified time bearing weight, integrity and. 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. Flameshield fireduct achieves this without the requirement of any external or.
Details of the test specimen the overall size of the leaf was 1250mm high x 1230mm wide x 54mm thick. The doorsets were referenced doorset a and doorset b for the purpose of the test. Flameshield fireduct, fire rated ductwork, bs 476 part 24. Therefore clauses 5 to 7 are self contained and cross refer to bs 476. The fileopen plugin works with adobe reader and other viewers. British standard a single copy of this british standard is licensed to giorgio cavalieri on november 16, 2000 this is an uncontrolled copy. Bs 476 22 fire tests on building materials and structures part 22. Fire tests on building materials and structures method of.
Glazing in any fire resisting door, wall, partition or. Furnace the furnace was controlled so that its mean temperature complied with the requirements of bs 476. All bsi british standards available online in electronic and print formats. To determine the fd rating of fire doors, the manufacturers have their fire doors assessed by subjecting them to a test procedure as specified in bs 47622. Monitor the unexposed face of the specimen for evaluation of the integrity in accordance with clause 9 of bs 47620. Bs 47620 fire resistance of load bearing elementsbritish standardstandard. This section of the series focuses on methods for determination of the fire resistance of nonloadbearing elements of construction. The test may also be used to demonstrate the fire resistance performance of building hardware. Method for determination of the fire resistance of nonloadbearing elements of construction. The system has been tested to the requirements of bs476. Bracket reference gap width range mm b65110 50150 b195 151240 b355 241400. The partition specification as detailed in the technical user guide has to be fully duplicated in order to achieve a fire resistance. Cited by this resource is cited by 4 documents show citations cites this resource cites 11 documents show citations.
Test chiltif37 this letter is to confirm the results of an indicative fire resistance test undertaken on 4th april 20. This part, together with bs 47620, bs 47621, bs 47622 and bs. Comparison of test methods en 163412014 and bs 476. Methods for determination of the fire resistance of nonloadbearing elements of construction. Specification and guidance for fire resisting doors all references to fire resisting in relation to doors to be taken as meaning. Fire resistance test utilising the general principles of. Measure the temperature rise of the unexposed face for evaluation of the insulation in accordance with clause 9 of bs 47620.
Fire resistance test in accordance with bs476 part 22 1987 on a single. Fire tests on building materials and structures part 22. Each doorset had overall nominal dimensions of height 2034 mm and width 850 mm and incorporated a leaf of. Uls combined fire door testing service for european, us and. The purpose of bs 476 part 24 1987 and iso6944 1985 is to measure and ensure the ability of a ductwork system to resist the spread of fire whilst maintaining its stability and integrity as a ductwork system. Schedule of accreditation united kingdom accreditation service. The active element is highpressure forming, multidirectional expandable graphite contained within a high performance durable polymer.
However, the regulations require that large cavity barriers should be tested to bs 476 as either vertical or horizontal separating elements, whichever is appropriate to their use. Fire tests on building materials and structurespart 24. Some additional guidelines were adopted from the draft european document referenced pren 664, relating to the testing of these types of sealing systems. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. In the standard fire tests, three criteria are to be examined, including loadbearing capacity, integrity and insulation. Product standards flameshield fireduct is fully compliant with bs 476 part 24 flameshield products have been fully tested in accordance with bs 476 part 24. Flameshield fireduct fire rated ductwork bs 476 part 24. This standard has been superseded by the current bs en 16341, but it has been. Method for determination of the fire resistance of ventilation ducts. Bs 47622 fire tests on building materials and structurespart 22.
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