BS 7892

ID

74898EE4F6A04CE8A7D29FBE1646A237

文件大小(MB)

0.1

页数:

16

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pdf

日期:

2013-6-1

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BRITISH STANDARD BS 7892:2000,Incorporating,Corrigendum No. 1,ICS 23.040.10; 25.220.60,NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW,Specification for seal coats on,cement mortar lined ductile,iron pipes and fittings,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Tue Jan 30 11:47:29 GMT+00:00 2007, Uncontrolled Copy, (c) BSI,This British Standard, having,been prepared under the,direction of the Sector,Committee for Engineering, was,published under the authority of,the Standards Committee and,comes into effect on,15 October 2000,ó BSI 04-2001,First published August 1997,Second edition October 2000,The following BSI references,relate to the work on this,standard:,Committee reference PSE/10,Draft for comment 99/709721 DC,ISBN 0 580 28275 9,BS 7892:2000,Amendments issued since publication,Amd. No. Date Comments,12085,Corrigendum No. 1,April 2001 Indicated by a sideline,Committees responsible for this,British Standard,The preparation of this British Standard was entrusted to Technical Committee,PSE/10, Iron pipes and fittings, upon which the following bodies were represented:,Adhesive Tape Manufacturers' Association,British Compressed Gases Association,British Foundry Association,Ductile Iron Pipe Committee,Institute of British Foundrymen,Institution of Mechanical Engineers,Society of British Water Industries,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Tue Jan 30 11:47:29 GMT+00:00 2007, Uncontrolled Copy, (c) BSI,BS 7892:2000,ó BSI 04-2001 i,Contents,Page,Committees responsible Inside front cover,Foreword ii,Introduction 1,1 Scope 1,2 Normative references 1,3 Terms and definitions 1,4 Type test requirements 2,4.1 Water quality (pH) 2,4.2 Durability 2,4.3 Abrasion resistance 2,5 Routine test requirements 2,5.1 General 2,5.2 Visual appearance 2,5.3 Coating thickness 2,5.4 Adhesion 2,5.5 Odour 3,6 Marking 3,Annex A (normative) Water quality (pH) 4,Annex B (normative) Durability type test for seal coats 4,Annex C (normative) Abrasion type test for seal coats 5,Annex D (normative) Dry coating thickness measurement using test film 6,Annex E (normative) Adhesion test 8,Annex F (normative) Odour test 9,Bibliography 11,Figure B.1 D Schematic diagram of durability rig 5,Figure C.1 D Schematic diagram of abrasion test rig 6,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Tue Jan 30 11:47:29 GMT+00:00 2007, Uncontrolled Copy, (c) BSI,ii ó BSI 04-2001,BS 7892:2000,Foreword,This British Standard has been prepared by Technical Committee PSE/10, Iron pipes,and fittings and is a revision of BS 7892:1997 which is withdrawn.,WARNING This specification calls for the use of substances and/or procedures that,may be injurious to health if adequate precautions are not taken. It refers only to,technical suitability and does not absolve the user from legal obligations relating to,health and safety at any stage.,Product certification,Users of this British Standard are advised to consider the desirability of third-party,certification of product conformity with this British Standard based on testing and,continuing surveillance, which may be coupled with assessment of a supplier's quality,systems against the appropriate part of BS EN ISO 9000.,Enquiries as to the availability of third-party certification schemes will be forwarded by,BSI to the Association of Certification Bodies. If a third-party certification scheme does,not already exist, users should consider approaching an appropriate body from the list,of association members.,Annexes A to F are normative.,A British Standard does not purport to include all the necessary provisions of a,contract. Users of British Standards are responsible for their correct application.,Compliance with a British Standard does not of itself confer immunity from,legal obligations. Attention is drawn to the following statutory regulations.,D Water Supply (Water Quality) Regulations 1989 as amended by the Water Supply,(Water Quality) (Amendment) Regulations 1991 [1] (in particular Regulation 25).,D The Water Supply (Water Quality) (Scotland) Regulations 1990 [2] (in particular,Regulation 25).,Summary of pages,This document comprises a front cover, an inside front cover, pages i and ii, pages 1,to 11 and a back cover.,The BSI copyright notice displayed in this document indicates when the document was,last issued.,Sidelining in this document indicates the most recent changes by amendment.,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Tue Jan 30 11:47:29 GMT+00:00 2007, Uncontrolled Copy, (c) BSI,BS 7892:2000,ó BSI 04-2001 1,Introduction,The int……

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