EN 450-2:2005
(Main)Fly ash for concrete - Part 2: Conformity evaluation
Fly ash for concrete - Part 2: Conformity evaluation
prEN 450-2 specifies the scheme for the evaluation of conformity of fly ash according to prEN 450-1, including certification of conformity by a certification body.
The standard provides technical rules for the production control by the manufacturer, including autocontrol testing of samples, and for the tasks of the certification body. It also provides rules for actions to be followed in the event of non-conformity, the procedure for the certification of conformity and requirements for dispatching centres.
Flugasche für Beton - Teil 2: Konformitätsbewertung
Dieses Dokument legt das Verfahren für die Konformitätsbewertung von Flugasche nach EN 450 1 fest.
Dieses Dokument enthält technische Regeln für die werkseigene Produktionskontrolle durch den Hersteller, einschließlich der internen Überwachungsprüfungen von Proben. Es enthält darüber hinaus Regeln für Maßnahmen, die bei Nichtkonformität zu ergreifen sind, sowie das Verfahren für die Zertifizierung der Konformität und Anforderungen für die Auslieferungsstellen.
Cendres volantes pour béton - Partie 2: Evaluation de la conformité
La norme prEN 450-2 décrit le système d'évaluation de la conformité des cendres volantes selon prEN 450-1, qui inclut une certification de la conformité par un organisme de certification.
La norme fournit des règles techniques applicables au contrôle de la production par le producteur (qui comprend les essais d'autocontrôle) et aux tâches incombant à l'organisme de certification. Elle établit également des règles à suivre en cas de non-conformité, la procédure de certification de la conformité et les exigences relatives aux centres de distribution.
Elektrofiltrski pepel – 2. del: Ovrednotenje skladnosti
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2005
1DGRPHãþD
SIST EN 450:1996
Elektrofiltrski pepel – 2. del: Ovrednotenje skladnosti
Fly ash for concrete - Part 2: Conformity evaluation
Flugasche für Beton - Teil 2: Konformitätsbewertung
Cendres volantes pour béton - Partie 2: Evaluation de la conformité
Ta slovenski standard je istoveten z: EN 450-2:2005
ICS:
91.100.30 Beton in betonski izdelki Concrete and concrete
products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN 450-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2005
ICS 91.100.30 Supersedes EN 450:1994
English version
Fly ash for concrete - Part 2: Conformity evaluation
Cendre volant pour beton - Partie 2: Evaluation de la Flugasche für Beton - Teil 2: Konformitätsbewertung
conformité
This European Standard was approved by CEN on 22 December 2004.
CEN 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 Central Secretariat or to any CEN 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 CEN member into its own language and notified to the Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 450-2:2005: E
worldwide for CEN national Members.
Contents
Page
Foreword.4
1 Scope .5
2 Normative references .5
3 Terms and definitions .5
3.1 Specific definitions.5
3.2 General definitions .6
4 Tasks for the producer.7
4.1 Factory production control.7
4.2 Internal quality control .8
4.3 Autocontrol testing of samples.10
5 Tasks for the certification body .10
5.1 General.10
5.2 Surveillance, assessment and acceptance of the production control.11
5.3 Evaluation of the results of autocontrol testing of samples.11
5.4 Audit testing of samples taken at the production plant/depot and initial type testing .12
5.5 Initial inspection of the production plant and the production control.13
5.6 Evaluation of test results during the initial period.14
6 Actions in the event of non-conformity.14
6.1 Actions to be taken by the producer .14
6.2 Actions to be taken by the certification body.14
7 Procedure for third party certification of conformity.15
8 Certificate of conformity and conformity mark .15
8.1 Indication of conformity.15
8.2 Certificate of conformity .15
8.3 Conformity mark .16
9 Requirements for dispatching centres.16
9.1 General requirements.16
9.2 Tasks for the intermediary.16
9.3 Tasks for the third party.17
Annex A (normative) Evaluation of the representativeness and the accuracy of the fineness test
results .20
A.1 General.20
A.2 Sets of results considered.20
A.3 Evaluation procedure .20
A.3.1 Introduction.20
A.3.2 Symbols .20
Annex B (informative) General definitions.22
B.1 Definitions based on the Construction Products Directive .22
B.2 Definitions from or based on EN 45020.22
B.3 Definition from EN ISO 8402.22
B.4 Definitions from EN 197-1 and EN 196-7 .23
Bibliography.24
Tables
Table 1 — Actions to be taken by the Certification Body in the event of non-conformity of the results of
autocontrol and/or audit testing .18
Table 2 — Confirmation and audit testing of samples of certified fly ash taken at dispatching centres: properties
a
and minimum testing frequencies .19
Table A.1 — Symbols.21
Foreword
This document (EN 450-2:2005) has been prepared by Technical Committee CEN/TC 104 “Concrete and related
products”, the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by August 2005, and conflicting national standards shall be withdrawn at the
latest by August 2006.
This document supersedes EN 450:1994.
This document includes a Bibliography.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: 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.
1 Scope
This document specifies the scheme for the evaluation of conformity of fly ash according to EN 450-1.
The document provides technical rules for the production control by the producer, including autocontrol testing of
samples. It also provides rules for actions to be followed in the event of non-conformity, the procedure for the
certification of conformity and requirements for dispatching centres.
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 196-1, Methods of testing cement — Part 1: Determination of strength.
EN 196-7, Methods of testing cement — Methods of taking and preparing samples of cement.
EN 450-1:2005, Fly ash for concrete — Part 1: Definition, specifications and conformity criteria.
EN 451-2, Method of testing fly ash — Part 2: Determination of fineness by wet sieving.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 Specific definitions
3.1.1
certificate of conformity to EN 450-1
document issued under the rules of a certain scheme for the evaluation of conformity indicating that adequate
confidence is provided that fly ash is in conformity with EN 450-1
3.1.2
conformity mark
protected mark applied on the basis of the certificate of conformity (see 3.1.1)
3.1.3
certified fly ash
fly ash for which a certificate of conformity has been issued
3.1.4
initial period
immediate period after the first issuing of the certificate of conformity for a fly ash
3.1.5
certification body
impartial body, governmental or non-governmental, possessing the necessary competence and responsibility to
carry out conformity certification according to given rules of procedure and management
3.1.6
production control
permanent internal control of fly ash production exercised by the producer consisting of internal quality control
and autocontrol testing
3.1.7
production plant
facility used by a producer for the production of fly ash:
a) power plant with one(several) boiler(s),
b) processing plant, for example for the classification, selection, sieving, drying, blending, grinding and/or
carbon reduction of fly ash(es).
In the production plant equipment has to be used which is suitable for production of fly ash including the
necessary silo capacity for the storage and dispatch of the fly ash produced, and equipment to test, evaluate and
control the fly ash production. This equipment and the production control applied allow the control of production
with sufficient accuracy to ensure that the requirements of EN 450-1 are met
3.1.8
new production plant
production plant which is not already producing fly ash certified under this scheme
3.1.9
existing production plant
production plant which is already producing fly ash certified under this scheme
3.1.10
depot
bulk fly ash handling facility (not located at the production plant) used for the dispatch of fly ash (whether in bulk
or bagged) after transfer or storage where the producer has full responsibility for all aspects of the quality of the
fly ash
3.1.11
dispatching centre
bulk fly ash handling facility (not located at the production plant) used for the dispatch of fly ash after transfer or
storage where an intermediary has full responsibility for all aspects of the quality of the fly ash
3.1.12
intermediary
natural or legal person who takes from the producer fly ash certified according to EN 450-2 and bearing the
conformity mark, who undertakes full responsibility for maintaining in a dispatching centre all aspects of the
quality of the fly ash and who supplies the fly ash onwards to a further natural or legal person
3.1.13
confirmation autocontrol testing
continual testing carried out by an intermediary which consists of testing of samples taken by the intermediary at
the point(s) of release from the dispatching centre
3.1.14
works’ quality manual
document that provides information on the production control which is applied by a producer at a particular
production plant to ensure conformity of the fly ash with the requirements of the relevant product specification
standard
3.1.15
producer
p
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