EN 50553:2012
(Main)Railway applications - Requirements for running capability in case of fire on board of rolling stock
Railway applications - Requirements for running capability in case of fire on board of rolling stock
This European Standard defines requirements for running capability under fire conditions which are applicable to passenger carrying railway rolling stock. In particular, technical measures are specified, compliance with which will contribute to conformity with the Directive and the relevant Technical Specifications for Interoperability (TSI). The standard specifies the fire conditions: – for which it is not necessary to define running capability requirements as there is no significant potential for serious injury or threat to life; – for which it is reasonable to expect trains to continue to run in a controlled manner; – for which it is not reasonably practicable to define requirements due to the exceptional nature of the fire incident. The TSI SRT defines running capability requirements in respect of fires within technical areas/equipment only. However for general guidance the scope of this standard is extended to include fires from non-technical causes within passenger/staff areas which may impact train system functions adjacent to and/or passing through the affected area. This extension of applicability significantly increases the number of system functions which are potentially at risk and therefore requires that the "reasonably practicable" principles be extended to this new condition. The standard does not consider situations where a primary non-fire incident is likely to immobilise the train by definition; for example major mechanical defect leading to derailment, even when fire then occurs.
Bahnanwendungen – Anforderungen an die Fahrfähigkeit im Brandfall an Bord von Bahnfahrzeugen
Applications ferroviaires - Exigences en matière d’aptitude au roulement en cas d’incendie à bord des véhicules ferroviaires
La présente Norme européenne définit les exigences en matière d’aptitude au roulement en cas d’incendie, applicables aux véhicules ferroviaires. Elle spécifie notamment des mesures techniques, la conformité à celles-ci contribuant à la conformité à la Directive et aux Spécifications techniques d’interopérabilité (STI) concernées. La norme spécifie les conditions d’incendie: – pour lesquelles il n’est pas nécessaire de définir des exigences d’aptitude au roulement car il n’existe aucun potentiel significatif de blessure grave ou de mise en danger de la vie. – pour lesquelles il est raisonnable de s’attendre à ce que les trains continuent à rouler d’une manière contrôlée; – pour lesquelles il n’est pas raisonnablement possible de définir des exigences en raison de la nature exceptionnelle de l’incendie. La STI STF définit les exigences d’aptitude au roulement pour des incendies ayant lieu seulement au sein des zones/équipements techniques. Toutefois, comme ligne directrice générale, le domaine d’application de la présente norme est étendu aux incendies ayant des causes non techniques au sein des compartiments voyageurs/locaux de service pouvant avoir un impact sur les fonctions de système, adjacents à la zone affectée et/ou la traversant. Cette extension d’applicabilité augmente nettement le nombre de fonctions de système présentant un risque potentiel et nécessite donc l’extension des principes « raisonnablement possibles » à cette nouvelle condition. La norme ne traite pas des situations où un incident déclencheur non lié à un incendie va vraisemblablement conduire par définition à une immobilisation du train; par exemple un défaut mécanique majeur conduisant à un déraillement, même en cas d’incendie.
Železniške naprave - Zahteve za sposobnost vožnje tirnih vozil v primeru požara
Ta evropski standard določa zahteve za sposobnost vožnje v primeru požara, ki se uporabljajo za tirna vozila, ki prevažajo potnike. Opredeljeni so zlasti tehnični ukrepi, pri čemer bo skladnost z njimi pomagala zagotoviti skladnost z direktivo in ustreznimi tehničnimi specifikacijami za interoperabilnost (TSI). Standard določa požarne razmere: – za katere ni treba opredeliti zahtev za sposobnost vožnje, saj ne obstaja velika možnost za resne poškodbe ali življenjsko ogroženost; – za katere je razumno pričakovati, da bodo vlaki še naprej nadzorovano obratovali; – za katere ni razumno izvedljivo opredeliti zahteve, ki v celoti zagotavljajo nadzorovano vožnjo, zaradi izjemne narave požara. Tehnične specifikacije za interoperabilnost v zvezi z varnostjo v železniških predorih določajo zahteve za sposobnost vožnje le za požare znotraj tehničnih območij/opreme. Vendar se za splošne napotke področje uporabe tega standarda razširi na požare zaradi netehničnih razlogov v prostorih za potnike/osebje, ki lahko vplivajo na sistemske funkcije vlaka, ki so poleg in/ali potekajo skozi prizadeto območje. Ta razširitev uporabnosti bistveno poveča število sistemskih funkcij, ki so potencialno ogrožene, zato je potrebno, da se »razumno izvedljiva« načela razširijo na ta novi pogoj. Standard ne zajema primerov, v katerih obstaja verjetnost, da bo nesreča, ki ni požar, sama po sebi povzročila zaustavitev vlaka, na primer obsežna mehanska okvara, ki povzroči iztirjenje, celo kadar nato pride do požara.
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Železniške naprave - Zahteve za sposobnost vožnje tirnih vozil v primeru požaraBahnanwendungen - Anforderungen an die Fahrfähigkeit im Brandfall an Bord von BahnfahrzeugenApplications ferroviaires - Exigences en matière d’aptitude au roulement en cas d’incendie à bord des véhicules ferroviairesRailway applications - Requirements for running capability in case of fire on board of rolling stock45.060.01Železniška vozila na splošnoRailway rolling stock in general13.220.99Drugi standardi v zvezi z varstvom pred požaromOther standards related to protection against fireICS:Ta slovenski standard je istoveten z:EN 50553:2012SIST EN 50553:2012en01-april-2012SIST EN 50553:2012SLOVENSKI
STANDARD
EUROPEAN STANDARD EN 50553 NORME EUROPÉENNE
EUROPÄISCHE NORM February 2012
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2012 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50553:2012 E
ICS 13.220.50; 45.060.01
English version
Railway applications -
Requirements for running capability in case of fire on board of rolling stock
Applications ferroviaires -
Exigences en matière d’aptitude au roulement en cas d’incendie à bord des véhicules ferroviaires
Bahnanwendungen -
Anforderungen an die Fahrfähigkeit im Brandfall an Bord von Bahnfahrzeugen
This European Standard was approved by CENELEC on 2012-01-23. 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.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Existing standards and background . 27Annex B (normative)
Determination of compliance for degraded mode. 29B.1First method . 29B.2Second method . 29Annex C (informative)
Passenger & staff area detection & fire fighting . 31C.1General . 31C.2Demonstration of Fire Detection by Computational Fluid Dynamic (CFD; "Field") Modelling. 31C.3Demonstration of Fire Detection by Test . 31C.4Fire Fighting Assessment . 33Annex D (informative)
Example of an approach to CFD validation . 35Annex E (informative)
Guidance for a system function approach . 36Annex ZZ (informative)
Coverage of Essential Requirements of EC Directives . 37Bibliography . 38Figures Figure 1 Decision box flow chart . 14Figure 2 Decision box 1 flow chart . 17Figure C.1 Plan View : Standard chamber with additional fog generator . 33Figure C.2 Side View : Fog Generator and fire source . 33SIST EN 50553:2012
- 3 - EN 50553:2012 Tables Table B.1 Formulae for calculating the progression of the train . 30Table E.1 Cross-reference: system function and clauses . 36 SIST EN 50553:2012
The following dates are fixed: • latest date by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-01-23 • latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2015-01-23 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and supports essential requirements of EU Directives 96/48/EC (HSR) and 2001/16/EC (CONRAIL), both recast by 2008/57/EC (RAIL). For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this document. __________ SIST EN 50553:2012
- 5 - EN 50553:2012 Introduction The purpose of this European Standard is to define requirements for running capability under fire conditions which are applicable to railway rolling stock with passengers, so that a train will be able to reach a "safe area" as defined in the Safety in Rail Tunnels TSI (TSI SRT) 1.1.3. Specifically, this standard is intended to clarify and rationalise the requirements for rolling stock running capability in the EN 45545 series (Operation Categories 2, 3 and 4) and in the TSI SRT (Fire Safety Categories A and B). It is also intended to define specific technical measures, compliance with which will allow a ‘Presumption of Conformity’ with the TSI SRT to be made by the Notified Body assessing the Rolling Stock. NOTE 1 In several cases it might appear that requirements are included which are duplicating requirements given in the EN 45545 series and/or which are dealt with in other ways by the EN 45545 series. This is not the intention and is not the case. The EN 45545 series introduces running capability functional requirements but does not generally define how they are to be met nor to what level of performance. Also, a number of requirements which are included in the EN 45545 series, would be relevant to, or suitable for, running capability use but are not identified for this use within the TS. It is therefore necessary to include requirements which are apparently duplicating the EN 45545 series in this standard but which actually do not duplicate the TS when examined in detail. If desired it should be possible, when converting EN 45545 to an EN, to include these requirements during the process which would allow them to be removed from this standard. Reference to Annex A shows that it is necessary for this standard specifically to address 4.2.5.5 of the TSI SRT. This standard considers the requirement to "improve the probability that a passenger train with a fire on board will continue to operate…" in a "reasonably practicable" context. It is understood that "train" includes all vehicles such as locomotives and power cars which are associated with the passenger vehicles. Requirements for running capability cannot be defined without a knowledge of other fire characteristics of the train, specifically its reaction to fire and fire resistance specification. The assumption is made that the fire standard applied is the EN 45545 series or any standard for which technical equivalence can be demonstrated. NOTE 2 In defining conditions to assure running capability it is only the intention to define requirements which allow the train to remain capable of controlled movement. The general safety level of the train when operating under these conditions (for example the level of lighting within the saloon) is not within the scope. Matters such as this are dealt with in other standards (including, but not limited to, the EN 45545 series). The standard defines requirements based on a philosophy which recognises that stopping a train is not itself a life-threatening event. It is therefore not required to have running capability for all fires; only those fires which may cause serious injury and/or develop to threaten life. For example, situations such as the combustion of an individual electrical component inside a technical cabinet meeting criteria for fire resistance in accordance with the EN 45545 series, do not attract running capability requirements under this standard. In a similar manner, if any fire is extinguished with no reignition during the relevant period of the incident, it is deemed that there is no longer a requirement for running capability and the train can be stopped (as if it was a non-safety threatening technical fault). These examples illustrate how the impracticability of addressing all thermal events that could stop a train is circumvented by the philosophy applied. Compliance with the running capability requirements for any relevant system function is derived from one or more of the following: – absence of a relevant fire; – assuring system function under the fire; – assuring system function for a redundant array under the fire; – extinguishing the fire; – assuring sufficient remaining Tractive Effort under the fire. SIST EN 50553:2012
- 7 - EN 50553:2012 1 Scope This European Standard defines requirements for running capability under fire conditions which are applicable to passenger carrying railway rolling stock. In particular, technical measures are specified, compliance with which will contribute to conformity with the Directive and the relevant Technical Specifications for Interoperability (TSI). The standard specifies the fire conditions: – for which it is not necessary to define running capability requirements as there is no significant potential for serious injury or threat to life; – for which it is reasonable to expect trains to continue to run in a controlled manner; – for which it is not reasonably practicable to define requirements which give complete assurance of running in a controlled manner, due to the exceptional nature of the fire incident. The TSI SRT defines running capability requirements in respect of fires within technical areas/equipment only. However for general guidance the scope of this standard is extended to include fires from non-technical causes within passenger/staff areas which may impact train system functions adjacent to and/or passing through the affected area. This extension of applicability significantly increases the number of system functions which are potentially at risk and therefore requires that the "reasonably practicable" principles be extended to this new condition.
The standard does not consider situations where a primary n
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