EN_50172-2004

Licensed Copy: London South Bank University, London South Bank University, Tue Jan 15 09:11:20 GMT+00:00 2008, UncontrolledCopy, (c) BSI BRITISH STANDARD BS EN 50172:2004 BS 5266-8:2004 Including Corrigendum No. 1 Emergency escape lighting systems The European Standard EN 50172:2004 has the status of a British Standard ICS 91.160.00 12 &23<,1* :,7+287 %6, 3(50,66,21 (;&(37 $6 3(50,77(' %< &23<5,*+7 /$: 2). an inside front cover. Code of practice for the emergency lighting of premises other than cinemas and certain other specified premises used for entertainment. Tue Jan 15 09:11:20 GMT+00:00 2008.Licensed Copy: London South Bank University. and keep the UK interests informed. particularly the size of open area that requires emergency lighting and the procedures to reduce the impact of the failure of any single luminaire. was published under the authority of the Standards Policy and Strategy Committee on 20 December 2004 Summary of pages This document comprises a front cover. or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. The requirements of BS EN 50172 alter the duration period and frequency required for self-contained luminaires (see 7. BS EN 50172:2004 specifies requirements whereas BS 5266-1 is a code of practice giving recommendations. Corrigendum No. London South Bank University. A number of the requirements which are given in BS 5266-1:1999 are expanded. (c) BSI BS EN 50172:2004 National foreword This British Standard is the official English language version of EN 50172:2004 and implements it as dual numbered British Standard BS 5266-8:2004. Amendments issued since publication Amd. — A list of organizations represented on this subcommittee can be obtained on request to its secretary. or proposals for change. Lamps and related equipment. which has the responsibility to: — — aid enquirers to understand the text. This British Standard. Emergency lighting. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”. Compliance with this standard will assist users in meeting the requirements of the Workplace Directive. The BSI copyright notice displayed in this document indicates when the document was last issued. Emergency lighting. monitor related international and European developments and promulgate them in the UK. 1 Date 31 August 2006 Comments Correction to fonts on page 11 16566 © BSI 2006 ISBN 0 580 45157 7 . This publication does not purport to include all the necessary provisions of a contract. No. pages 2 to 12. to Subcommittee CPL/34/9. The UK participation in its preparation was entrusted by Technical Committee CPL/34. Appropriate product standards are also identified. which is currently under revision to remove requirements conflicting with EN 50172:2004 as follows. the EN title page. Uncontrolled Copy. the Construction Products Directive and the forthcoming Regulatory Reform Order. This part of the BS 5266 series partially supersedes BS 5266-1:1999. an inside back cover and a back cover. Compliance with a British Standard does not of itself confer immunity from legal obligations. Users are responsible for its correct application. present to the responsible international/European committee any enquiries on the interpretation. Luxembourg. Tue Jan 15 09:11:20 GMT+00:00 2008. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Germany. Spain. Norway. Greece. Cyprus. No. CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung Central Secretariat: rue de Stassart 35.Licensed Copy: London South Bank University. EN 50172:2004 E . Finland. Latvia. Lithuania. London South Bank University.160. Ref. France. Denmark. Estonia. B . CENELEC members are the national electrotechnical committees of Austria. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. Switzerland and United Kingdom. German). Poland. Netherlands. This European Standard exists in three official versions (English. Hungary. French. Portugal. A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. Slovakia. Sweden. Belgium. Italy. Slovenia.1050 Brussels © 2004 CENELEC . Uncontrolled Copy. Czech Republic. Iceland. (c) BSI EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM ICS 91.00 EN 50172 August 2004 English version Emergency escape lighting systems Systèmes d'éclairage de sécurité Sicherheitsbeleuchtungsanlagen This European Standard was approved by CENELEC on 2004-03-01. Malta. Ireland.All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Emergency lighting systems. it should be read in conjunction with EN 50171 and EN 1838. The following dates were fixed: – latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement latest date by which the national standards conflicting with the EN have to be withdrawn _____________ (dop) 2005-03-01 – (dow) 2007-03-01 .Licensed Copy: London South Bank University. London South Bank University. For emergency lighting systems. Attention is drawn to the Council Directive 92/58/EEC of 24 June 1992 on the minimum requirements for provision of safety and/or health signs at work. Uncontrolled Copy. Tue Jan 15 09:11:20 GMT+00:00 2008. (c) BSI EN 50172:2004 -2- Foreword This European Standard was prepared by the former CENELEC BTTF 62-8. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50172 on 2004-03-01. ......................................................................................... Tue Jan 15 09:11:20 GMT+00:00 2008..................................................................................................................................................................................6 Emergency escape lighting design......................................7 Emergency escape lighting system records and log book ..................4 Normative references ....................................................................................................4 Definitions ........................................................ (c) BSI -3- EN 50172:2004 Contents Page 1 2 3 4 5 6 7 Scope.........Licensed Copy: London South Bank University.........................................4 Emergency escape lighting .......... Uncontrolled Copy........................9 Annex A (informative) A-deviations......................11 ...........................................................................8 Servicing and testing ...................................................................... London South Bank University.................................................................................................................................. This European Standard does not cover private domestic premises but its provisions are applicable to common access routes within multi-storey dwellings. For undated references.Emergency lighting Light and lighting . when applied to escape routes in addition to conventional emergency lighting luminaires. There are emerging way guidance techniques that. type and usage of the premises. can enhance its effectiveness in an emergency. For dated references.Part 12: Emergency power supply to safety devices 3 Definitions For the purposes of this standard the following definitions apply: 3. and specifies the minimum provision of such emergency lighting based on the size. EN 81-1 Safety rules for the construction and installation of lifts and service lifts Part 1: Electric lifts Lighting applications . Tue Jan 15 09:11:20 GMT+00:00 2008.1 premises the whole or part of a building treated as a single unit for the purposes of applying this standard 1) At draft stage. This European Standard is also applicable to standby lighting used as emergency escape lighting. 2 Normative references The following referenced documents are indispensable for the application of this document. (c) BSI EN 50172:2004 -4- 1 Scope This European Standard specifies the provision of illumination of escape routes and safety signs in the event of failure of the normal supply. only the edition cited applies.Part 2-22: Particular requirements . .Measurement and presentation of photometric data of lamps and luminaires Central power supply systems Safety requirements for secondary batteries and battery installations Part 2: Stationary batteries Degrees of protection provided by enclosures (IP Code) (IEC 60529) Luminaires . Uncontrolled Copy. This standard relates to the provision of electric emergency escape lighting in all work places and premises open to the public.Licensed Copy: London South Bank University. London South Bank University. the latest edition of the referenced document (including any amendments) applies.Luminaires for emergency lighting (IEC 60598-2-22:1997. modified) ISO 8528-12 Reciprocating internal combustion engine driven alternating current generating sets . modified) Automatic test system for battery powered emergency escape lighting EN 1838:1999 EN 13032 (series) EN 50171 EN 50272-2 EN 60529 EN 60598-2-22:1998 1) EN 62034 HD 384/HD 60364 series Electrical installations of buildings (IEC 60364 series. 3.11] . but not the lamps themselves. filters or transforms the light transmitted from one or more lamps and which includes all the parts necessary for supporting.7 combined emergency luminaire a luminaire containing two or more lamps.5 place of safety a place in which persons are in no danger 3. by an internal source [EN 1838:1999.Licensed Copy: London South Bank University. and which includes where necessary circuit auxiliaries together with the means for connecting them to the supply 3.3. when required.12 non-maintained emergency luminaire luminaire in which the emergency lighting lamps are in operation only when the supply to the normal lighting fails [EN 60598-2-22:1998. 3.8 emergency exit a way out that is used during an emergency 3. A combined emergency luminaire is either maintained or non-maintained 3. 22.3 emergency escape route lighting that part of emergency escape lighting provided to ensure that the means of escape can be effectively identified and safely used at all times when the premises are occupied 3.9 final exit the terminal point of an escape route 3.13 internally illuminated safety sign a sign that is illuminated.2 escape route a route designated for escape to a place of safety in the event of an emergency 3.6 mounting height the vertical distance between a luminaire and the floor 3.5] 3.11 maintained emergency luminaire luminaire in which the emergency lighting lamps are energized at all times when normal or emergency lighting is required [EN 60598-2-22:1998. Tue Jan 15 09:11:20 GMT+00:00 2008.4 open area (anti-panic) 2 areas of undefined escape routes in halls or premises larger than 60 m floor area or smaller areas if there is additional hazard such as use by a large number of people 3.10 luminaire apparatus which distributes. Uncontrolled Copy. 22.6] 3. London South Bank University. at least one of which is energized from the emergency lighting supply and the other(s) from the normal lighting supply. (c) BSI -5- EN 50172:2004 3. fixing and protecting the lamps. 3.3. Emergency escape lighting is not designed to enable normal operations to be continued on the premises in the event of failure of normal or standby lighting. The wiring rules of HD 384 / HD 60364 shall be complied with.10] 3. a directional sign (or series of signs) shall be provided. Tue Jan 15 09:11:20 GMT+00:00 2008. Emergency escape lighting shall be activated not only on complete failure of the supply to the normal lighting but also on a localized failure such as a final circuit failure.15 required battery duration duration of emergency operation of the battery required for the function 3. The installation shall ensure that emergency escape lighting fulfils the following functions: a) b) c) d) to illuminate escape route signs. 4. to provide illumination onto and along such routes as to allow safe movement towards and through the exits provided to a place of safety. as claimed by the manufacturer.16 rated duration of emergency operation time. An exit or directional sign shall be in view at all points along the escape route. that the rated emergency lumen output is provided [EN 60598-2-22:1998. Uncontrolled Copy. to permit operations concerned with safety measures. Full details of levels and measurement of illuminance and adaptation are specified in EN 1838 and EN 13032. placed such that a person moving towards it will be directed towards an emergency exit. automatically and for a suitable time in a specified area when the normal power supply to the normal lighting fails. NOTE Maintained exit signs should be considered for applications where occupants may be unfamiliar with the building.2 Identification and luminance of emergency exit signs Where direct sight of an exit is not possible and doubt may exist as to its location. . by an external source [EN 1838:1999. when required. (c) BSI EN 50172:2004 -6- 3.Licensed Copy: London South Bank University. All signs marking exits and escape routes shall be uniform in colour and format.15] 4 4.1 Emergency escape lighting General The purpose of emergency escape lighting is to ensure the lighting is provided promptly. London South Bank University.14 externally illuminated safety sign a sign that is illuminated. 22. and their luminance shall comply with EN 1838. to ensure that fire alarm call points and fire equipment provided along escape routes can be readily located and used. The illumination by the emergency escape lighting system of a compartment of the escape route shall be from two or more luminaires so that the failure of one luminaire does not plunge the route into total darkness or make the directional finding effect of the system ineffective. fire alarm call points and fire fighting equipment and indicating the positions of all structural items which may offer obstruction to escape shall be provided before commencing system design. . For the same reason.3 System integrity The provision of highly reliable emergency escape lighting is essential. 5. It is used in areas of undefined escape routes in halls or premises larger than 60 m floor area or smaller areas if there is additional hazard such as use by a large number of people.4 Open area (anti-panic) lighting The objective of open area (anti-panic) lighting is to reduce the likelihood of panic and to enable safe movement of occupants towards escape routes by providing appropriate visual conditions and direction 2 finding. two or more luminaires shall be used in each open area (anti-panic). Uncontrolled Copy. 4. NOTE Condition BD3 or BD4 of HD 384 also defines areas that require emergency lighting. London South Bank University. NOTE It is not normally possible to cater for an interruption of the normal lighting due solely to the failure of an individual lamp. in the event of failure of any part of the normal lighting supply.1 Emergency escape lighting system design Plan of premises In order to ensure that the emergency lighting system is engineered in accordance with EN 1838 plans showing the layout of the building and of all existing or proposed escape routes. 4.2 Failure of normal supply to part of premises Emergency escape lighting shall operate. 4. arrangements shall be made to ensure that local emergency escape lighting will operate in the event of failure of normal supply to the corresponding local area. Non-maintained and combined non-maintained emergency luminaires have to operate in the event of failure of a normal lighting final circuit. In all cases.3 Escape route lighting The objective of escape route lighting is to enable safe exit for occupants by providing appropriate visual conditions and direction finding on escape routes and to ensure that fire fighting and safety equipment can be readily located and used.6 Standby lighting If standby lighting is used to provide emergency escape lighting. consideration should therefore be given to methods of eliminating any probable hazard which might arise due to the failure of this lamp. 5. Tue Jan 15 09:11:20 GMT+00:00 2008.5 Emergency lighting for high risk task area lighting The objective of high-risk task area lighting is to ensure the safety of people involved in a potentially dangerous process or situation and to enable proper shut down procedures for the safety of other occupants of the premises. the installation shall comply with the provisions of this standard and the appropriate product and wiring standards.Licensed Copy: London South Bank University. (c) BSI -7- EN 50172:2004 4. 5 5. 5.1 External areas in the immediate vicinity of exits To assist dispersal to a place of safety. London South Bank University. drawings of the emergency escape lighting installation shall be provided and retained on the premises.5.5 Emergency escape lighting equipment 5. Emergency lighting as specified for open area (anti-panic) lighting in EN 1838 shall therefore be fitted in lifts in which persons may travel. .5. In particular. Other areas of hazard or areas that may need access in a normal lighting failure also require emergency lighting and are defined in 5.1 and 5.4.5 of this standard. the external areas in the immediate vicinity of final exits should be illuminated in accordance with the illumination level for escape routes given in EN 1838. NOTE For further guidance refer to EN 81-1.4.1 of HD 384. Reciprocating internal combustion engine driven alternating current generating sets: emergency power supply to safety devices shall be constructed in accordance with ISO 8528-12.2 Lift car Lifts present a problem because the experience of being confined in the dark within a small space for an indefinite period is not only unpleasant.3 Automatic emergency lighting testing systems Automatic emergency lighting testing systems shall be designed.4 Specific areas requiring emergency lighting Where national regulations do not apply. These drawings shall be signed by a competent person to verify that the design meets the requirements of this standard.5.4. 5. they shall identify all luminaires and the main components. The emergency lighting can either be selfcontained or powered from a central supply in which case a fire protected supply will be required.Licensed Copy: London South Bank University. 6 6.6 Categories of operation The mode of operation and duration shall comply with the results of the risk assessment in accordance with national regulations. 5.5. The drawings shall be made in accordance with Subclause 514.1 Luminaires Emergency escape lighting luminaires shall be designed and constructed in accordance with EN 60598-2-22. (c) BSI EN 50172:2004 -8- 5. 5. They shall be selected to be appropriate for their location. 5.2 Central power supply systems Battery powered central power supply systems shall be designed and constructed in accordance with EN 50171 and the battery safety requirements of EN 50272-2 shall be complied with. Uncontrolled Copy. and shall be regularly updated with any subsequent changes to the system. NOTE If used in areas with risk of explosion. the provisions of emergency escape lighting given in EN 1838 cover the routes and locations detailed in 4.2 to 4. the luminaires shall comply with the relevant standards and the 94/9/EC Directive.4. Tue Jan 15 09:11:20 GMT+00:00 2008.2 of this standard. 5.1 Emergency escape lighting system records and reporting General On completion of the work. 5. but may cause harm to those who are nervous or suffer from claustrophobia. constructed and installed in accordance with the relevant requirements of national standards or national regulations. For all other systems.1 General Because of the possibility of a failure of the normal lighting supply occurring shortly after a period of testing of the emergency lighting system or during the subsequent recharge period. Regular servicing is essential.2.2 and the results recorded. The regulating authority may require specific tests.2 to 7. NOTE 2 An appropriate print out of data from an automatic testing device meets the requirements of this clause. The following minimum inspections and tests shall be carried out at the intervals recommended in 7. the tests shall be carried out as described in 7. date of each periodic inspection and test. These shall be available as either a manual record or as a hard copy obtained from an automatic testing device.2. 7. suitable temporary arrangements shall be made until the batteries have been recharged. (c) BSI -9- EN 50172:2004 In addition. Alternatively. battery and fusing may also be recorded in the logbook.3 shall be provided for the recording of routine examinations. 6. This person shall be given sufficient authority to ensure the carrying out of any work necessary to maintain the system in correct operation. the information shall be recorded monthly. Tue Jan 15 09:11:20 GMT+00:00 2008. fire alarms. defects and alterations.2 System record On completion of a yearly inspection and test schedule as required in the periodic inspection a test certificate should be supplied to the person responsible for the premises. if any automatic testing device is employed. 7. 7 7.3 Log book (Reporting) A log book shall be kept on the premises in the care of a responsible person appointed by the occupier/owner and shall be readily available for examination by any duly authorized person.2. The occupier/owner of the premises shall appoint a competent person to supervise servicing of the system.Licensed Copy: London South Bank University. 6. . the main characteristic and the mode of operation of that device shall be described. dates and brief details of any defects and of remedial action taken. tests. date and brief details of each service. date and brief details of any alteration to the emergency lighting installation.1 Servicing and testing General When automatic testing devices are used. inspection or test carried out. a logbook conforming to 6.2 Routine inspections and tests Where national regulations do not apply. The log book shall be used to record at least the following information: a) b) c) d) e) f) date of commissioning of the system including any certificate relating to alterations. Uncontrolled Copy.4. Details of replacement components of luminaires such as lamp type. NOTE 1 The logbook may also include pages relating to other safety records. the following shall be met. e. all full duration tests shall wherever possible be undertaken preceding time of low risk to allow for battery recharge.g. London South Bank University. in addition.3 Monthly If automatic testing devices are used. NOTE This is a visual inspection of indicators to identify that the system is in a ready condition and does not require a test of operation. NOTE The period of simulated failure should be sufficient for the purpose of this clause whilst minimising damage to the system components e. 7.4 Annually If automatic testing devices are used. the date of the test and its results shall be recorded in the system logbook. the results of the full rated duration test shall be recorded. b) c) d) .2 Daily Indicators of central power supply shall be visually inspected for correct operation. The charging arrangements should be checked for proper functioning. for generating sets. c) 7.3 but for its full rated duration in accordance with the manufacturer's information. Uncontrolled Copy. the correct operation of system monitors shall be checked.2.10 - 7. In addition to a). the results of the short duration tests shall be recorded. London South Bank University. for central battery systems. clean and functioning correctly. lamps. b) In addition to a). refer to the requirements of ISO 8528-12. the supply of the normal lighting shall be restored and any indicator lamp or device checked to ensure that it is showing that normal supply has been restored. the supply to the normal lighting should be restored and any indicator lamp or device checked to ensure that it is showing that the normal supply has been restored.Licensed Copy: London South Bank University. all luminaires and signs shall be checked to ensure that they are present.2. For all other systems the monthly inspection shall be carried out and the following additional tests made: a) each luminaire and internally illuminated sign shall be tested as per 7. At the end of this test period. Tue Jan 15 09:11:20 GMT+00:00 2008. Tests shall be carried out as follows: a) Switch on in the emergency mode each luminaire and each internally illuminated exit sign from its battery by simulation of a failure of the supply to the normal lighting for a period sufficient to ensure that each lamp is illuminated.2. During this period. refer to the requirement of ISO 8528-12. (c) BSI EN 50172:2004 .2. for generating sets.g. in particular Clause 5 makes mandatory the emergency lighting installations for garages containing a number of cars higher than 300. Decreto del Ministero dell’Interno n.11 - EN 50172:2004 Annex A (informative) A-deviations A-deviation: National deviation due to regulations.168 of 1986.Licensed Copy: London South Bank University. Decreto del Ministero dell’Interno “Norme di sicurezza antincendi per la costruzione e l’esercizio di autorimesse e simili” (01-02-1986) This law deals with fire protection of garages and tower garages. la costruzione e l’esercizio delle strutture sanitarie pubbliche e private” (18-09-2002) This law deals with fire protection of medical locations. Uncontrolled Copy. Subclause 13. Decreto del Ministero dell’interno “Approvazione della regola tecnica di prevenzione incendi per la progettazione. in particular Subclause 7.1 makes mandatory the emergency lighting installations for these premises with the requirement of minimum operation time of emergency escape lighting. Decreto del Ministero dell’interno “Norme di sicurezza per la costruzione e l’esercizio di impianti sportivi” (18-03-1996) This law deals with safety of sports installations. Clause 9 makes mandatory the emergency lighting installations for these premises with the requirement of minimum operation time of emergency escape lighting. in particular it refers directly to Framework Law No. Tue Jan 15 09:11:20 GMT+00:00 2008. in particular Chapter II. This European Standard does not fall under any Directive of the EC. in particular Chapter XIII.01. Clause 6 makes mandatory the emergency lighting installations for these premises with the requirement of minimum operation time of emergency escape lighting. London South Bank University. Decreto del Ministero dell’interno “Norme di prevenzione incendi per l’edilizia scolastica” (26-08-1992) This law deals with fire protection of school premises. Decreto del Ministero dell’interno “Approvazione della regola tecnica di prevenzione incendi per la costruzione e l’esercizio delle attività turistico-alberghiere” (09-04-1994) This law deals with fire protection of hotels and guest houses. in particular Chapter II. (c) BSI . the alteration of which is for the time being outside the competence of the CENELEC national member. Decreto del Ministero dell’interno “Approvazione della regola tecnica di prevenzione incendi per la progettazione.1 makes mandatory the emergency lighting installations for schools having simultaneously a number of people higher than 100. in particular Clause 5 makes mandatory the emergency lighting installations for premises higher 32 m.03. Clause 4 and 5 Deviation Italy The following national laws and regulations apply as regards emergency escape lighting. la costruzione e l’esercizio dei locali di intrattenimento e di pubblico spettacolo” (19-08-1996) This law deals with fire protection of public show locations. In the relevant CENELEC countries these A-deviations are valid instead of the provisions of the European Standard until they have been removed. . 246 “Norme di sicurezza antincendi per gli edifici di civile abitazione” (16-05-1987) This law deals with fire protection of premises. or individually as a result of the planning permission. In case of doubt the building supervisory board should be consulted 5.1 and 5. sales areas and hotels. Tue Jan 15 09:11:20 GMT+00:00 2008. These regulations include different requirements on the following clauses: 4) The need for emergency escape lighting 4) Illumination for emergency escape lighting 5) Emergency escape lighting design 5) Choice of appropriate emergency lighting system 7) Emergency escape lighting system records and log book Germany 4 The requirements of the directive for places of work „Arbeitsstättenrichtlinie” ASR 7/4 "Sicherheitsbeleuchtung" (Emergency escape lighting) and the regulations of the Professional/trade associations [Berufsgenossenschaften] „Unfallverhütungsvorschriften“ apply.Licensed Copy: London South Bank University. Regulation relating to the security in the high-rise buildings: Arrêté du 18/10/1977. sales areas and hotels.4. (c) BSI EN 50172:2004 . Regulation relating to security in residential buildings: Arrêté du 31/01/1986.2 and 4. The regulation changes according to the type (high-rise or not) and the purpose (public.4. private) of the premises Regulation relating to security in public establishments: Arrêté du 25/06/1980 modified. 4. in particular concerning assembly places. The necessity of providing safety signs or emergency lighting and their location in special buildings and areas is governed by statutory building provisions of the Lands of the Federal Republic of Germany. or individually as a result of the planning permission. The necessity of providing safety signs or emergency lighting and their location in special buildings and areas is governed by statutory building provisions of the Lands of the Federal Republic of Germany. London South Bank University. workers. 5 and 7 France Emergency escape lighting in France is the concern of many statutory regulations. In case of doubt the building supervisory board should be consulted. 5.4 5 The requirements of the directive for places of work „Arbeitsstättenrichtlinie” ASR 7/4 "Sicherheitsbeleuchtung" (Emergency escape lighting) and the regulations of the Professional/trade associations [Berufsgenossenschaften] „Unfallverhütungsvorschriften“ apply.4.2 __________ . in particular concerning assembly places.12 - 4. Uncontrolled Copy. Regulation relating to security in workers establishments: Arrêté du 26/02/2003. (c) BSI blank .Licensed Copy: London South Bank University. Uncontrolled Copy. London South Bank University. Tue Jan 15 09:11:20 GMT+00:00 2008. Fax: +44 (0)20 8996 7400. Standards are also available from the BSI website at http://www. of the publications of the international standardization bodies. Designs and Patents Act 1988 no extract may be reproduced. Users of British Standards should make sure that they possess the latest amendments or editions. 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