En 13263-1 Comments [PDF]

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Licensed Copy: Westminster ATHENS, University of Westminster, 08/03/2009 11:13, Uncontrolled Copy, (c) BSI



Form 36 Version 8.0



Draft for Public Comment



DPC: 08/30182181 DC



Head Office 389 Chiswick High Road London W4 4AL



Date: 12 August 2008 Origin: European



Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001



Latest date for receipt of comments: 30 November 2008 Responsible committee:



Project no.: 2008/01525



B/517/4 Additions for concrete



Interested committees:



Title:



Draft BS EN 13263-1:2005/A1 Silica fume for concrete Part 1: Definition, specifications and conformity criteria



Supersession information: If this document is published as a standard, the UK implementation of it will supersede BSEN13263-1 : 2005 and partially supersede. NONE If you are aware of a current national standard which may be affected, please notify the secretary (contact details below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 30 November 2008. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. No acknowledgement will normally be sent. See overleaf for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization for briefing purposes. Electronic circulation is limited to dissemination by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001 or email [email protected]. British, International and foreign standards are also available from BSI Customer Services. Information on the co-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The British Standards which implement International or European publications referred to in this draft may be found via the British Standards Online Service on the BSI web site http://www.bsigroup.com.



Responsible Committee Secretary: Mr M Awaleh (BSI)



Direct tel: E-mail:



[email protected]



a



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Introduction This draft standard is based on European discussions in which the UK has taken an active part. Your comments on this draft are welcome and will assist in the preparation of the consequent British Standard. If no comments are received to the contrary, then the UK will approve this draft and implement it as a British Standard. Comment is particularly welcome on national, legislative or similar deviations that may be necessary. Even if this draft standard is not approved by the UK, if it receives the necessary support in Europe, the UK will be obliged to publish the official English Language text unchanged as a British Standard and to withdraw any conflicting standard. UK Vote Please indicate whether you consider the UK should submit a negative (with reasons) or positive vote on this draft. Submission The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably electronically, to the Responsible Committee Secretary at the address given on the front cover. Comments should be compatible with Version 6.0 or Version 97 of Microsoft® Word for Windows™, if possible; otherwise comments in ASCII text format are acceptable. Any comments not submitted electronically should still adhere to these format requirements. All comments submitted should be presented as given in the example below. Further information on submitting comments and how to obtain a blank electronic version of a comment form are available from the BSI web site at: http://www.bsigroup.com/en/Standards-and-Publications/Current-work/DPCs/



Template for comments and secretariat observations



Date: xx/xx/200x



Document: ISO/DIS xxxxx



1



2



(3)



4



5



(6)



(7)



MB



Clause No./ Subclause No./ Annex (e.g. 3.1)



Paragraph/ Figure/Table/ Note (e.g. Table 1)



Type of comment



Comment (justification for change) by the MB



Proposed change by the MB



Secretariat observations on each comment submitted



3.1



Definition 1



ed



Definition is ambiguous and needs clarifying.



Amend to read ‘... so that the mains connector to which no connection ...’



6.4



Paragraph 2



te



The use of the UV photometer as an alternative cannot be supported as serious problems have been encountered in its use in the UK.



Delete reference to UV photometer.



Microsoft and MS-DOS are registered trademarks, and Windows is a trademark of Microsoft Corporation.



b



Licensed Copy: Westminster ATHENS, University of Westminster, 08/03/2009 11:13, Uncontrolled Copy, (c) BSI



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM



FINAL DRAFT EN 13263-1:2005 prA1 August 2008



ICS 91.100.30



English Version



Silica fume for concrete - Part 1: Definitions, requirements and conformity criteria Fumées de silice pour béton - Partie 1: Définitions, exigences et critères de conformité



Silikastaub für Beton - Teil 1: Definitionen, Anforderungen und Konformitätskriterien



This draft amendment is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical Committee CEN/TC 104. This draft amendment A1, if approved, will modify the European Standard EN 13263-1:2005. If this draft becomes an amendment, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this amendment into the relevant national standard without any alteration. This draft amendment was established by CEN 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 CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, 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.



EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG



Management Centre: rue de Stassart, 36



© 2008 CEN



All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.



B-1050 Brussels



Ref. No. EN 13263-1:2005/prA1:2008: E



Licensed Copy: Westminster ATHENS, University of Westminster, 08/03/2009 11:13, Uncontrolled Copy, (c) BSI



EN 13263-1:2005/prA1:2008 (E)



Foreword This document (EN 13263-1:2005/prA1:2008) has been prepared by Technical Committee CEN/TC 104 “Concrete and related products”, the secretariat of which is held by DIN. This document is currently submitted to the Unique Acceptance Procedure. 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). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. This amendment covers modified requirements for the silicon dioxide content in 5.2.1, for which a class for contents down to 80 % SiO2 is added. The purpose of this modification is to include products which are legally placed on the market. The remaining technical content of EN 13263-1:2005 has not been changed. At the same time Clause 2 "Normative references" and Bibliography has been updated.



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Licensed Copy: Westminster ATHENS, University of Westminster, 08/03/2009 11:13, Uncontrolled Copy, (c) BSI



EN 13263-1:2005/prA1:2008 (E)



1



Modification to Foreword th



Add new 5 paragraph: “EN 13263-1:2005+A1:2009 contains a modified requirement for the content of silicon dioxide in a new class 2.”.



2



Modification to Clause 2



Replace "EN 196-7:1989" with "EN 196-7:2007". Delete all full stops and semicolons.



3



Modification to 3.28



Replace the definition and its origin with the following: "sample taken within a short period of time and at a fixed point from within a larger quantity, relating to the intended tests. It can be obtained by combining one or more immediately consecutive increments [EN 196-7:2007]".



4



Modification to 5.2.1



Replace the whole sub-clause with the following text: "The content of silicon dioxide, SiO2, as determined by the method described as reference method in EN 196-2 shall be not less that 85 % by mass for class 1, or not less than 80 % for class 2 silica fumes. NOTE



5



In the 2005 edition of EN 196-2, the reference method is described in 13.3.".



Modification to 5.3.3



Replace NOTE 2 with the following: "NOTE 2



6



In the 2005 edition of EN 413-2, the flow table method is described in 5.3.".



Modification to Clause 6



Replace item a) with the following text: " a)



type and class of material, i.e. silica fume class 1 or 2;".



Replace item g) with the following text: " g) number and year of this European Standard, i.e. EN 13263-1:2005.".



3



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EN 13263-1:2005/prA1:2008 (E)



7



Modification to 7.2.3, Table 4



Replace the row for silicon dioxide with two new rows: Property



8



Single result limit values



"Silicon dioxide (lower limit, class 1)



80 %



Silicon dioxide (lower limit, class 2)



75 %"



Modification to ZA.1, Table ZA.1



Replace “None” with “1 or 2” under “Level and/or class” and replace "Requirement expressed in terms of lower limit (to be declared)" with "Declared class 1 or 2" in the row for silicon dioxide.



9



Modification to ZA.2.2



Replace “(silica fume conforming to this European standard)” with “(silica fume class 1 or 2 conforming to this European Standard)” in the third item of the first list. Replace “(type, identification, use)” with “(type, class, identification, use)” in the third item of the second list.



10 Modification to ZA.3, Figure ZA.1 Replace “SiO2: 85 %” with “SiO2: 85 %, class 1” in the example.



11 Modification to Bibliography Replace the references 2 to 4 with the following: "EN 45020:2006, Standardization and related activities — General vocabulary (ISO/IEC Guide 2:2004) EN ISO 9000:2005, Quality management systems — Fundamentals and vocabulary (ISO 9000:2005) ISO 3534-1:2006, Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability".



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