1、October 2012 Translation by DIN-Sprachendienst.English price group 15No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC
2、S 23.040.01!$*8“1920721www.din.deDDIN EN 12007-4Gas infrastructure Pipelines for maximum operating pressure up to and including 16 bar Part 4: Specific functional requirements for renovation;English version EN 12007-4:2012,English translation of DIN EN 12007-4:2012-10Gasinfrastruktur Rohrleitungen m
3、it einem maximal zulssigen Betriebsdruck bis einschlielich 16 bar Teil 4: Spezifische funktionale Anforderungen fr die Sanierung;Englische Fassung EN 12007-4:2012,Englische bersetzung von DIN EN 12007-4:2012-10Infrastructures gazires Canalisations pour pression maximale de service infrieure ou gale
4、16 bar Partie 4: Prescriptions fonctionnelles spcifiques pour la rnovation;Version anglaise EN 12007-4:2012,Traduction anglaise de DIN EN 12007-4:2012-10SupersedesDIN EN 12007-4:2000-08www.beuth.deDocument comprises 38 pagesIn case of doubt, the German-language original shall be considered authorita
5、tive.10.12 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee CEN/TC 234 “Gas infrastructures” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Gastechnik (Gas Technology Standa
6、rds Committee), Working Committee NA 032-02-02 AA Gasverteilung. This European Standard describes specific functional requirements for the renovation of pipework in existing gas infrastructures. It includes some requirements for plastics that are not dealt with by ISO/TC 155 “Plastics piping systems
7、 and ducting systems”. This European Standard is intended to be applied with the requirements of EN 12007-1. This European Standard does not apply to pipework in above ground installations. Functional requirements for pressure testing, commissioning and decommissioning are given in EN 12327. In Germ
8、any, DVGW G 327, GW 320-1 and G 320-2 apply to the gas infrastructure covered by the present standard. These technical rules contain detailed specifications supplementing the requirements of the present standard. This standard has been included in the body of technical rules and standards for gas is
9、sued by the DVGW Deutscher Verein des Gas- und Wasserfaches e.V. (German Technical and Scientific Association for Gas and Water). Amendments This standard differs from DIN EN 12007-4:2000-08 as follows: a) in the title of the German version, the term Empfehlung has been replaced by Anforderung (requ
10、irement); b) the standard has been revised in form and substance; c) normative references have been updated; d) Subclause 5.2 now includes references to EN 12007-1, EN 12007-2 and EN 12007-3; e) in Clause 6, the example “Leakage survey” has been deleted; f) in Annex B, Table B.1, “Bursting or splitt
11、ing existing pipe”, column “Disadvantages” has been revised; g) in Annexes E and I, the lining techniques have been revised. Previous editions DIN EN 12007-4: 2000-08 DIN EN 12007-4:2012-10EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12007-4 August 2012 ICS 23.040.01 Supersedes EN 12007-4:20
12、00 English Version Gas infrastructure Pipelines for maximum operating pressure up to and including 16 bar Part 4: Specific functional requirements for renovation Infrastructures gazires Canalisations pour pression maximale de service infrieure ou gale 16 bar Partie 4: Prescriptions fonctionnelles sp
13、cifiques pour la rnovation Gasinfrastruktur Rohrleitungen mit einem maximal zulssigen Betriebsdruck bis einschlielich 16 bar Teil 4: Spezifische funktionale Anforderungen fr die Sanierung This European Standard was approved by CEN on 24 May 2012. CEN members are bound to comply with the CEN/CENELEC
14、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
15、 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 CEN-CENELEC Management Centre has the same status as the officia
16、l versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, No
17、rway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in
18、 any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12007-4:2012: E EN 12007-4:2012 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms and definitions .54 Design 74.1 General .74.2 Pressure uprating 74.3 Selection of renovation technique .74.4 Cons
19、ultation with third parties 85 Construction 85.1 General .85.2 Disconnection/reconnection of sections of the gas infrastructure .95.3 Excavation and no dig techniques 95.4 Laying 95.4.1 Laying of pipework .95.4.2 Cleaning of carrier pipe . 105.4.3 Inspection of the pipework to be renovated 106 Press
20、ure testing . 107 Service line transfer . 108 Commissioning and decommissioning 109 Record system 11Annex A (informative) Chart of renovation techniques 12Annex B (informative) Advantages and disadvantages of renovation techniques . 13Annex C (informative) Renovation with continuous or discrete pipe
21、 . 16C.1 Definition . 16C.2 Description 16C.3 Conditions of application . 16C.4 Implementation . 17C.4.1 Preparation 17C.4.2 Execution . 17Annex D (informative) Lining with close-fit pipe . 20D.1 Definition 20D.2 Description 20D.3 Conditions of application 20D.4 Implementation . 21D.4.1 Materials .
22、21D.4.2 Preparation 21D.4.3 Execution . 21Annex E (informative) Lining with cured-in-place pipe 23E.1 Definition . 23E.2 Description 23E.3 Conditions of application . 23E.4 Implementation . 23E.4.1 Preparation 23E.4.2 Execution . 24DIN EN 12007-4:2012-10EN 12007-4:2012 (E) 3 Annex F (informative) Re
23、novation by bursting or splitting existing pipe . 25F.1 Definition 25F.2 Description . 25F.3 Conditions of application . 25F.4 Implementation 25F.4.1 Preparation . 25F.4.2 Execution 26Annex G (informative) Renovation by the pulling or pushing of the existing pipe 27G.1 Definition 27G.2 Description .
24、 27G.3 Conditions of application . 27G.4 Implementation 27G.4.1 Preparation . 27G.4.2 Execution 27Annex H (informative) Joint repairs 29H.1 Definition 29H.2 Description . 29H.3 Conditions of application . 29H.3.1 General . 29H.3.2 Internal methods 29H.3.3 External methods Commissioned pipework 30H.4
25、 Implementation 30H.4.1 Internal repairs 30H.4.2 External repairs Commissioned pipework 31H.5 Testing . 31H.6 Commissioning . 32Annex I (informative) Resin lining . 33I.1 Definition 33I.2 Description . 33I.3 Conditions of application . 33I.4 Implementation 33I.4.1 Preparation . 33I.4.2 Execution 33I
26、.4.3 Testing . 34I.4.4 Commissioning . 34Annex J (informative) Technical changes between this European Standard and EN 12007-4:2000 . 35Bibliography 36DIN EN 12007-4:2012-10EN 12007-4:2012 (E) 4 Foreword This document (EN 12007-4:2012) has been prepared by Technical Committee CEN/TC 234 “Gas infrast
27、ructure”, 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 February 2013, and conflicting national standards shall be withdrawn at the latest by February 20
28、13. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12007-4:2000. Annex J provides details of significant
29、technical changes between this European Standard and the previous edition. EN 12007 Gas infrastructure Pipelines for maximum operating pressure up to and including 16 bar consists of the following parts: Part 1: General functional requirements Part 2: Specific functional requirements for polyethylen
30、e (MOP up to and including 10 bar) Part 3: Specific functional requirements for steel Part 4: Specific functional requirements for renovation Part 5: Specific functional recommendations of new service lines1According to the CEN/CENELEC Internal Regulations, the national standards organizations of th
31、e following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherl
32、ands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. 1To be published. DIN EN 12007-4:2012-10EN 12007-4:2012 (E) 5 1 Scope This European Standard describes specific functional requirements for the renovation of pipework in existing g
33、as infrastructures. This European Standard is intended to be applied with the requirements of EN 12007-1. This European Standard does not apply to pipework in above ground installations. This European Standard covers the various renovation technologies for gas piping in the range of sizes covering g
34、as mains and gas service lines and is intended to be applied in association with EN 12007-1. Certain pipe networks originally for other purposes can be considered for renovation technologies to make them suitable for gas infrastructure. This European Standard specifies common basic principles for ga
35、s infrastructure. Users of this European Standard should be aware that more detailed national standards and/or code of practice may exist in the CEN member countries. This European Standard is intended to be applied in association with these national standards and/or codes of practice setting out th
36、e above-mentioned basic principles. In the event of conflicts in terms of more restrictive requirements in national legislation/regulation with the requirements of this European Standard, the national legislation/regulation takes precedence as illustrated in CEN/TR 13737 (all parts). CEN/TR 13737 (a
37、ll parts) give: clarification of all legislations/regulations applicable in a member state; if appropriate, more restrictive national requirements; a national contact point for the latest information. 2 Normative references The following documents, in whole or in part, are normatively referenced in
38、this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 12007-1, Gas infrastructure Pipelines for maximum operating pressure up to and i
39、ncluding 16 bar Part 1: General functional recommendations EN 12007-2, Gas infrastructure Pipelines for maximum operating pressure up to and including 16 bar Part 2: Specific functional recommendations for polyethylene (MOP up to and including 10 bar) EN 12007-3, Gas supply systems Pipelines for max
40、imum operating pressure up to and including 16 bar Part 3: Specific functional recommendations for steel EN 12327, Gas infrastructure Pressure testing, commissioning and decommissioning procedures Functional requirements 3 Terms and definitions For the purposes of this document, the following terms
41、and definitions apply. DIN EN 12007-4:2012-10EN 12007-4:2012 (E) 6 3.1 gas infrastructure pipeline systems including pipework and their associated stations or plants for the transmission and distribution of gas 3.2 pipeline operator private or public organization authorized to design, construct and/
42、or operate and maintain the gas infrastructure 3.3 competent person person who is trained, experienced and approved to perform activities relating to gas infrastructures Note 1 to entry: Means of approval, if any, will be determined within each country. 3.4 gas main pipework in a gas infrastructure
43、to which service lines are connected 3.5 pipework assembly of pipes and fittings 3.6 station plant or facility for the operation and/or processing of gas infrastructures 3.7 service line transfer act of switching over the service line connection from the old pipe to the new one 3.8 pressure uprating
44、 activities pertaining to the increase of the operating pressure beyond the existing maximum operating pressure level of a gas infrastructure 3.9 commissioning activities required to pressurize pipework, stations, equipment and assemblies with the gas and to put them into operation 3.10 decommission
45、ing activities required to take out of service any pipework, stations, equipment and assemblies filled with gas and to disconnect them from the system 3.11 renovation method by which the characteristics of the gas infrastructure are improved by re-using the existing structure or installing a new str
46、ucture in its place 3.12 carrier pipe existing pipework in which a renovation system is installed Note 1 to entry: The carrier pipe can be either a conduit pipe or a support pipe. DIN EN 12007-4:2012-10EN 12007-4:2012 (E) 7 3.13 support pipe existing pipe which remains the gas carrying pipe and rema
47、ins a structural integral part of the pressure system after lining 3.14 sleeve purposely installed length of protective pipe through which a gas pipe passes 3.15 conduit pipe pipe through which a gas pipe is inserted without necessarily providing support 3.16 annular space space enclosed between the
48、 carrier pipe and the new pipe when the latter is inserted inside 3.17 close fit after reshaping and relaxation, outer surface of the inserted pipe is in close contact with the internal surface of the old pipe 4 Design 4.1 General Choice of renovation techniques to be used on pipework, up to and including 16 bar, shall be made by
