Railway applications - Fire protection on railway vehicles - Part 2: Requirements for fire behaviour of materials and components

This part specifies the reaction to fire performance requirements for materials and products used on railway vehicles as defined in CEN/TS 45545-1.
The operation and design categories defined in CEN/TS 45545-1 are used to establish hazard levels that are used as the basis of a classification system.
For each hazard level, this part specifies the test methods, test conditions and reaction to fire performance requirements.
It is not within the scope of this Technical Specification to describe measures that ensure the preservation of the vehicles in the event of a fire.

Bahnanwendungen - Brandschutz in Schienenfahrzeugen - Teil 2: Anforderungen an das Brandverhalten von Materialien und Komponenten

Dieser Teil der EN 45545 legt die Brandschutzanforderungen an Werkstoffe und Komponenten für Schienfahrzeuge nach prEN 45545-1 fest.

Applications ferroviaires - Protection contre les incendies dans les véhicules ferroviaires - Partie 2 : Exigences du comportement au feu des matériaux et des composants

Cette Partie spécifie les exigences de performance au feu pour les matériaux et produits utilisés à bord de véhicules ferroviaires telles que définis dans la CEN/TS 45545-1.
Les catégories d’exploitation et de conception définies dans la CEN/TS 45545-1 sont utilisées pour établir les niveaux de risque qui sont utilisés comme la base du système de classification.
Pour chaque niveau de risque, cette partie spécifie la méthode d’essai, les conditions d’essai, et les exigences de réaction au feu.
La description des mesures qui garantissent la préservation des véhicules en cas de feu, n’est pas dans le domaine d’application de la présente Spécification Technique.

Železniške naprave – Požarna zaščita na železniških vozilih – 2. del: Zahteve za obnašanje materialov in sestavnih delov v požaru

General Information

Status
Withdrawn
Publication Date
27-Jan-2009
Withdrawal Date
05-Mar-2013
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
06-Mar-2013
Completion Date
06-Mar-2013

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SLOVENSKI OSIST prEN 45545-2:2005

PREDSTANDARD
januar 2005
Železniške naprave – Požarna zaščita na železniških vozilih – 2. del: Zahteve
za obnašanje materialov in sestavnih delov v požaru
(istoveten prEN 45545-2:2004)
Railway applications - Fire protection on railway vehicles - Part 2: Requirements for
fire behaviour of materials and components
ICS 13.220.20; 45.060.01 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

DRAFT
EUROPEAN STANDARD
prEN 45545-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2004
ICS
English version
Railway applications - Fire protection on railway vehicles - Part
2: Requirements for fire behaviour of materials and components
Applications ferroviaires - Protection contre les incendies Bahnanwendungen - Brandschutz in Schienenfahrzeugen -
dans les véhicules ferroviaires - Partie 2 : Exigences du Teil 2: Anforderungen an das Brandverhalten
comportement au feu des matériaux et des composants
This draft European Standard is submitted to CEN and CENELEC members for enquiry. It has been drawn up by the Technical Committee
CEN/CLC/WG FPR.
If this draft becomes a European Standard, CEN and 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.

This draft European Standard was established by CEN and CENELEC in three official versions (English, French, German). A version in
any other language made by translation under the responsibility of a CEN or CENELEC member into its own language and notified to the
CEN Management Centre has the same status as the official versions.

CEN and CENELEC members are the national standards bodies and national electrotechnical committees, respectively, of Austria,
Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United
Kingdom.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.

CEN Management Centre: CENELEC Central Secretariat:
rue de Stassart, 36  B-1050 Brussels rue de Stassart, 35  B-1050 Brussels
© 2004 CEN/CENELEC All rights of exploitation in any form and by any means reserved Ref. No. prEN 45545-2:2004 E
worldwide for CEN national Members and for CENELEC
Members.
prEN 45545-2:2004 (E)
Contents Page
Foreword.3
Introduction .4
1 Scope .4
2 Normative references .4
3 Terms and definitions .5
4 Fire specific terminology .10
5 Requirement.10
6 Test properties.30
Annex A (normative) List of material considered to comply with the highest level of reaction to
fire .36
Annex B (normative) Standard vandalisation test for seats .38
Annex C (informative) Description of the furniture calorimeter .42
Annex D (normative) Testing procedure for analysis of toxic gases.50
Annex E (normative) Protocol for specimen preparation.64
Annex F (informative) Fire integrity testing of hoses, pipes and fittings for hydraulic and
pneumatics .70
Bibliography .71

prEN 45545-2:2004 (E)
Foreword
This document (prEN 45545-2:2004) has been prepared by Technical Committee CEN/TC 256 “Railway
applications”, the Secretariat of which is held by DIN, in cooperation with CENELEC/TC 9X “Electrical and
electronic applications for railways".
This document is currently submitted to the parallel CEN/CENELEC Enquiry.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
 Council Directive 96/48/EC of 23 July 1996 on the Interoperability of the trans-European high-speed rail
1)
system
CEN/TC 256/WG 1 and CENELEC/TC 9X / WG 3 started in 1991 with the elaboration of this European
Standard. The co-ordination with other fire safety standardisation within CEN and CENELEC was carried out
by CEN/BT/WG 50, Fire safety technology.
This series of European Standards EN 45545 “Railway applications — Fire protection on railway vehicles”
consists of the following parts:
 Part 1: General
 Part 2: Requirements for fire behaviour of materials and components
 Part 3: Fire resistance requirements for fire barriers and partitions
 Part 4: Fire safety requirements for railway rolling stock design
 Part 5: Fire safety requirements for electrical equipment including that of trolley buses, track guided
buses and magnetic levitation vehicles
 Part 6: Fire control and management systems
 Part 7: Fire safety requirements for flammable liquid and flammable gas installations

1)
Official Journal of the European Communities No L 235/6 of 17.09.96
prEN 45545-2:2004 (E)
Introduction
This European Standard is based on existing fire safety regulations for railway vehicles from the International
Union of Railways (UIC) and different European countries.
In using the operation and design categories defined in prEN 45545-1, the requirements laid down in this part
take into account the current operating conditions for European public rail transport.
1 Scope
This part of EN 45545 specifies the reaction to fire performance requirements for materials and products used
on railway vehicles as defined in prEN 45545-1.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
EN 13501-1, Fire classification of construction products and building elements — Part 1: Classification using
test data from reaction to fire tests.
prEN 45545-1, Railway applications — Fire protection of railway vehicles — Part 1: General.
prEN 45545-3:1998, Railway applications — Fire protection of railway vehicles — Part 3: Fire resistance
requirements for fire barriers and partitions.
prEN 45545-5:2003, Railway applications — Fire protection of railway vehicles — Part 5: Fire safety
requirements for electrical equipment including that of trolley buses, track guided buses and magnetic
levitation vehicles.
prEN 45545-6, Railway applications — Fire protection of railway vehicles — Part 6: Fire control and
management systems.
EN 50266-1, Common test methods for cables under fire conditions — Test for vertical flame spread of
vertically-mounted bunched wires or cables — Part 1: Apparatus.
EN 50266-2-4, Common test methods for cables under fire conditions — Test for vertical flame spread of
vertically-mounted bunched wires or cables — Part 2-4: Procedures; Category C.
EN 50268-1, Common test methods for cable under fire conditions — Measurement of smoke density of
cables burning under defined conditions — Part 1: Apparatus.
EN 50268-2, Common test methods for cables under fire conditions — Measurement of smoke density of
cables burning under defined conditions — Part 2: Procedure.
EN 60529, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989).
EN ISO 4589-2, Plastics — Determination of burning behaviour by oxygen index — Part 2: Ambient-
temperature test (ISO 4589-2:1996).
prEN 45545-2:2004 (E)
EN ISO 5659-2, Plastics — Smoke generation — Part 2: Determination of optical density by a single-chamber
test (ISO 5659-2:1994, including Technical Corrigendum 1:1997
EN ISO 9239-1, Reaction to fire tests for floorings — Part 1: Determination of the burning behaviour using a
radiant heat source (ISO 9239-1:2002
EN ISO 11925-2, Reaction to fire tests — Ignitability of building products subjected to direct impingement of
flame — Part 2: Single-flame source test (ISO 11925-2:2002).
EN ISO 12952-3, Textiles — Burning behaviour of bedding items — Part 3: General test methods for the
ignitability by a small open flame (ISO 12952-3:1998).
EN ISO 12952-4, Textiles — Burning behaviour of bedding items — Part 4: Specific test methods for the
ignitability by a small open flame (ISO 12952-4:1998).
EN ISO 13943, Fire safety — Vocabulary (ISO 13943:1999).
ISO 3261, Fire tests; Vocabulary Bilingual edition.
ISO 5660-1, Reaction-to-fire tests — Heat release, smoke production and mass loss rate — Part 1: Heat
release rate (cone calorimeter method).
ISO 5658-2, Reaction to fire tests — Spread of flame — Part 2: Lateral spread on building products in vertical
configuration.
ISO 8421-1, Fire protection; Vocabulary; Part 1: General terms and phenomena of fire Bilingual edition.
ISO 9705, Fire tests; full-scale room test for surface products.
ISO 15540, Ships and marine technology — Fire resistance of hose assemblies — Test methods.
ISO/TR 9705-2, Reaction-to-fire tests — Full-scale room tests for surface products — Part 2: Technical
background and guidance
ISO/DIS 19702, Analysis of fire gases using Fourier infra-red technique (FTIR).
IEC/TS 60695-1-40, Fire hazard testing — Part 1-40 : Guidance for assessing the fire hazard for
electrotechnical materials — Insulating liquids.
NF F 00-201, Railway material in general — Antivandalism protection — Test method of laceration resistance,
with a blade, of vandal-proof covering.
NF X 70-100-1:2001 Fire tests — Analysis of gaseos effluents — Part 1: Methods for analysing gases
stemming from thermal degradation.
3 Terms and definitions
3.1 Definition of parameters
3.1.1
Average Rate of Heat Emission (ARHE) and its Maximum (MARHE)
the Average Rate of Heat Emission at time t, ARHE(t), is defined as the cumulative heat emission in the
period t=0 to t=t divided by t. The maximum value of the ARHE curve in the period t=0 to t=t is defined as
end
the Maximum Average Rate of Heat Emission (MARHE). MARHE can be applied to data in the form of kW vs
-2
time or kWm vs time
ARHE can be generated as follows :
prEN 45545-2:2004 (E)
Given that the rate of heat emission data comprises pairs of data points where the first data point is (t ,p )
1 1
where t is the time and p is the rate of heat emission then ARHE(t ), (using a trapezoidal area assumption), is
n
given by :
n
(p + p )
 
n n-1
(t − t )×
 

n n-1
2 
ARHE(t ) =
n
t − t
n 1
(Generally t =0 and p =0, or at least t can be rescaled to meet this condition and the expression can be further
1 1
simplified).
This formula is derived from expressions for the heat for each time element and the summation of these
elements as follows:
The heat for each time element, (h ), is calculated (the first heat element is derived from data points 1 and 2
n
and is assigned to data point 2; its designation is therefore h )
(p + p )
n n-1
h = (t − t ) ×
n n n −1
Summing these elements from n=2 to n=n and dividing by the interval from t to t generates ARHE(t ).
1 n n
n
h
∑ n
ARHE(t ) =
n
t − t
n 1
3.1.2
Specific optical density – D (n)
s
this term is defined in EN ISO 5659-2. D is the specific optical density,
s
(n indicates “at time n min into the test”)
The physical meaning of D is the optical density developed across opposite faces of a 1m cube when the
s
smoke from 1m of material is dispersed within the 1m cube. D is dimensionless.
s
3.1.3
VOF4 (Valeur obscurcissement fumée in 4 min)
VOF4 is the area under the Ds vs. time curve during the test period t=0 to t=4, using a trapezoidal area
assumption and a finite element (t) of 1 min
n=3
t(D (n) + D (n +1))
s s
VOF4 =

n=0
With D (0)=0 and t=1 this simplifies to:
s
VOF4 = D (1) + D (2) + D (3) + D (4)/2
s s s s
VOF4 has dimensions of min.
3.1.4
Toxic measurement
Toxic fume requirements are defined in term of the Conventional Index of Toxicity (CIT). CIT has a specific
meaning for specific materials/items but in all cases CIT comprises two terms:
CIT = [Precursor Term] x [Summation Term]
prEN 45545-2:2004 (E)
CIT is always dimensionless and the Summation Term is generally produced from ratios of the emission level
to the reference level of the gas components. For the scope of this European Standard the following 8 gas
)
components shall be analysed : CO ; CO; HF; HCL; HBr; HCN; S O ;NO .
2 2
It may be assumed that the units of the Precursor Term are such as to generate a dimensionless CIT.
CIT – General (CIT)
The CIT is defined as follows:
i=8
c
i
CIT = 0.0805 ×

Ci
i=1
th -3
c = concentration of th
...

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