DIN EN 1594-2013 Gas infrastructure - Pipelines for maximum operating pressure over 16 bar - Functional requirements German version EN 1594 2013《天然气基础设施 最大工作压力超过16 bar的管线 功能要求 德文版本.pdf

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1、December 2013 Translation by DIN-Sprachendienst.English price group 30No 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).I

2、CS 23.040.01; 75.200!%*zg“2078768www.din.deDDIN EN 1594Gas infrastructure Pipelines for maximum operating pressure over 16 bar Functional requirements;English version EN 1594:2013,English translation of DIN EN 1594:2013-12Gasinfrastruktur Rohrleitungen fr einen maximal zulssigen Betriebsdruck ber 16

3、 bar Funktionale Anforderungen;Englische Fassung EN 1594:2013,Englische bersetzung von DIN EN 1594:2013-12Infrastructures gazires Canalisation pour pression maximale de service suprieure 16 bar Prescriptions fonctionnelles;Version anglaise EN 1594:2013,Traduction anglaise de DIN EN 1594:2013-12Super

4、sedesDIN EN 1594:2009-06www.beuth.deDocument comprises 95 pagesIn case of doubt, the German-language original shall be considered authoritative.11.13 DIN EN 1594:2013-12 2 A comma is used as the decimal marker. National foreword This document (EN 1594:2013) has been prepared by Technical Committee C

5、EN/TC 234 “Gas infrastructure” (Secretariat: DIN, Germany), The responsible German body involved in its preparation was the Normenausschuss Gastechnik (Gas Technology Standards Committee), Working Committee NA 032-02-01 AA Gastransportleitungen. This European Standard describes the general functiona

6、l requirements for gas supply through pipe systems and covers pipelines with a maximum operating pressure (MOP) over 16 bar for the carriage of processed, non-toxic and non-corrosive natural gas as well as for the carriage of non-conventional gases such as injected biomethane, complying with EN ISO

7、13686 in onland gas infrastructure. Technical Rules within the meaning of this standard are the following DVGW-Arbeitsbltter (DVGW Technical Rules): G 463 and G 466-1 for gas. It is intended to include this standard in the body of technical rules and standards for gas issued by the DVGW Deutscher Ve

8、rein des Gas- und Wasserfaches e.V. (German Technical and Scientific Association for Gas and Water). Amendments This standard differs from DIN EN 1594:2009-06 as follows: a) the term “Gas supply systems” has been changed to “Gas infrastructures”; b) the standard has been revised in form and substanc

9、e; c) normative references have been updated; d) the definition of “abandonment” has been added in Clause 3; e) Subclause 7.14 “Grid connections” has been added; f) Clause 10 “Operation and maintenance” has been revised, in particular: Subclause 10.1.1 “Policy”, Subclause 10.1.2 “Safety and environm

10、ent”, Subclause 10.2 “Organisation”, Subclause 10.9 “Maintenance, modification and repair”; g) Annex J (informative) “Significant technical changes between this European Standard and the previous edition” has been added. Previous editions DIN EN 1594: 2000-09, 2009-06 EUROPEAN STANDARD NORME EUROPEN

11、NE EUROPISCHE NORM EN 1594 September 2013 ICS 23.040.01; 75.200 Supersedes EN 1594:2009English Version Gas infrastructure - Pipelines for maximum operating pressure over 16 bar - Functional requirements Infrastructures gazires - Canalisation pour pression maximale de service suprieure 16 bar - Presc

12、riptions fonctionnelles Gasinfrastruktur - Rohrleitungen fr einen maximal zulssigen Betriebsdruck ber 16 bar - Funktionale Anforderungen This European Standard was approved by CEN on 18 July 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the condition

13、s 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 any CEN member. This European Standard exists in

14、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 official versions. CEN members are the national standards

15、 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, Norway, Poland, Portugal, Romania, Slovakia, Sloveni

16、a, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved wo

17、rldwide for CEN national Members. Ref. No. EN 1594:2013: EEN 1594:2013 (E) 2 Contents Page Foreword . 5 Introduction 6 1 Scope 7 2 Normative references . 10 3 Terms, definitions, symbols and abbreviations 11 4 Quality and management systems 16 5 Safety and the environment . 16 5.1 General . 16 5.2 A

18、ppropriate safety measures 16 5.3 Routing considerations . 17 5.4 Line valve spacing . 18 6 Pressure safety 18 6.1 Pressure levels . 18 6.2 Normal operation . 19 6.3 Requirements for installation of pressure safety devices 19 6.4 Pipeline with DP equal to or less than 40 bar and hoop stress equal to

19、 or less than 0,45 Rt 0,5. 19 6.5 Pipeline with DP equal to or less than 24 bar and hoop stress equal to or less than 0,30 Rt 0,5. 19 7 Design . 20 7.1 General . 20 7.2 Wall thickness determination 21 7.3 Additional design requirements 22 7.4 Analysis of stress and strain . 24 7.5 Design report 26 7

20、.6 Land management and geotechnical studies . 27 7.7 Depth of cover 27 7.8 Casing pipes . 28 7.9 Station design 28 7.10 Pipeline components . 30 7.11 Pigging suitability 30 7.12 Arrangements for venting 30 7.13 Corrosion protection 31 7.14 Grid connections 33 8 Materials and components 33 8.1 Genera

21、l . 33 8.2 Pipes . 37 8.3 Fittings 37 8.4 Flanged connections . 37 8.5 Insulating connections 38 8.6 Valves . 38 8.7 External and internal coatings . 38 8.8 End preparation 38 9 Construction . 38 9.1 General . 38 9.2 Execution of work 39 DIN EN 1594:2013-12 EN 1594:2013 (E) 3 9.3 Special crossings .

22、 46 9.4 Cleaning 50 9.5 Testing 51 9.6 Acceptance . 52 10 Operation and maintenance . 53 10.1 General . 53 10.2 Organisation . 54 10.3 Operating and maintenance instructions 54 10.4 Emergency plan 55 10.5 Records and documentation 55 10.6 Commissioning 56 10.7 Decommissioning. 56 10.8 Recommissionin

23、g. 56 10.9 Maintenance, modification and repair . 56 10.10 Abandonment . 59 Annex A (informative) Settlement areas . 60 A.1 General . 60 A.2 Procedure . 60 A.3 Construction settlement 60 A.4 Strength calculation . 61 A.5 Monitoring 65 A.6 Action in the event of the allowable/limit values being excee

24、ded . 65 A.7 Bibliography . 65 Annex B (informative) Mining subsidence . 66 B.1 General . 66 B.2 Procedure . 66 B.3 Strength calculation . 66 B.4 Action in the event of the allowable/limit values being exceeded . 67 B.5 Monitoring 67 B.6 Bibliography . 67 Annex C (informative) Frost heave . 68 C.1 G

25、eneral . 68 C.2 Procedure . 68 C.3 Strength calculation . 68 C.4 Other possible measures . 68 C.5 Bibliography . 69 Annex D (informative) Landslide areas 70 D.1 General . 70 D.2 Procedure . 70 D.3 Strength calculation . 71 D.4 Possible action to prevent the allowable/limit values being exceeded 71 D

26、.5 Monitoring 72 D.6 Bibliography . 72 DIN EN 1594:2013-12 EN 1594:2013 (E) 4 Annex E (informative) Areas with high seismic risk 74 E.1 General . 74 E.2 Procedure . 74 E.3 Strength calculation . 75 E.4 Bibliography . 76 Annex F (informative) Soil mechanics parameters 78 F.1 Parameters . 78 F.2 Soil

27、engineering study . 79 F.3 Bibliography . 79 Annex G (informative) Bored/jacked crossings . 81 G.1 General . 81 G.2 Strength calculation . 81 G.3 Bibliography . 85 Annex H (informative) Allowable pulsation and vibration levels 86 H.1 Introduction 86 H.2 Pulsations . 86 H.3 Pipe vibrations . 86 H.4 I

28、nduced effects . 87 H.5 Bibliography . 87 Annex I (informative) Allowable vibration levels from construction work - blasting . 88 I.1 General . 88 I.2 Procedure . 88 I.3 Strength calculation . 88 I.4 Bibliography . 90 Annex J (informative) Significant technical changes between this European Standard

29、 and the previous edition . 91 Bibliography 93 DIN EN 1594:2013-12 EN 1594:2013 (E) 5 Foreword This document (EN 1594:2013) has been prepared by Technical Committee CEN/TC 234 “Gas infrastructure”, the secretariat of which is held by DIN. This European Standard shall be given the status of a nationa

30、l standard, either by publication of an identical text or by endorsement, at the latest by March 2014, and conflicting national standards shall be withdrawn at the latest by March 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent righ

31、ts. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 1594:2009. Annex J provides details of significant technical changes between this European Standard and the previous edition. There is a complete suite of functional standa

32、rds prepared by CEN/TC 234 “Gas infrastructure” to cover all parts of the gas infrastructure from the input of gas to the transmission system up to the inlet connection of the gas appliances, whether for domestic, commercial or industrial purposes. Compliance to this standard ensures the interoperab

33、ility, safety and reliability requirements of pipeline systems. Directive 2009/73/EC concerning common rules for the internal market in natural gas and the related Regulation (EC) No 715/2009 on conditions for access to the natural gas transmission networks also aim at technical safety (security) in

34、cluding technical reliability of the European gas system. These aspects are also in the scope of CEN/TC 234 standardization. In this respect, CEN/TC 234 evaluated the indicated EU legislation and amended this technical standard accordingly, where required and appropriate. A list of the relevant func

35、tional standards prepared by CEN/TC 234 is included in Clause 2 and the Bibliography of this document. CEN/TC 234 will continue its work updating this European Standard to the latest developments at regular intervals. In preparing this European Standard, a basic understanding of gas supply by the us

36、er has been assumed. Gas infrastructure is complex and the importance on safety of their construction and use has led to the development of very detailed codes of practice and operating manuals in member countries. These detailed statements embrace recognised standards of gas engineering and specifi

37、c requirements imposed by legal structures of these member countries. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark

38、, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 1594:2013-

39、12 EN 1594:2013 (E) 6 Introduction This European Standard describes the general functional requirements for gas supply through pipe systems and covers the pressure range greater than 16 bar maximum operating pressure (MOP) for steel systems. It gives normative and informative references for safe and

40、 secure gas infrastructure. It applies to their design, construction, operation and the related aspects of safety, environment and public health, all in order to provide a safe and secure supply of gas. The requirements of this European Standard are based on safe gas engineering practice under condi

41、tions normally encountered in the gas industry. Requirements for all unusual conditions cannot be specifically provided for, nor are all engineering and construction details prescribed. Existing industrial safety regulations applying to work areas, safety devices and safe work practices are not inte

42、nded to be supplanted by this European Standard. Managers with responsibilities for the design, construction and operation of gas infrastructure will have regard to the guidance given in this European Standard and to other relevant standards. It is the responsibility of these managers and engineers

43、to apply these functional requirements, supplemented with other proven good practice to the particular circumstances of all gas infrastructures. The designer, constructor or operator of pipeline systems is cautioned that this European Standard is not a design handbook or code of practice. Additional

44、 national or company standards describing the details are needed. These detailed standards should be in line with the basic principles of this European Standard. In preparing this European Standard it was recognised that the suite of relevant European Standards is incomplete. Reference may be made w

45、here appropriate to international, national or other standards until relevant European Standards are available. DIN EN 1594:2013-12 EN 1594:2013 (E) 7 1 Scope This European Standard is applicable to pipelines with a maximum operating pressure (MOP) over 16 bar for the carriage of processed, non-toxi

46、c and non-corrosive natural gas according to EN ISO 13686 in onland gas infrastructure. This European Standard is also applicable to pipelines with a maximum operating pressure (MOP) over 16 bar for the carriage of non-conventional gases such as injected biomethane, complying with EN ISO 13686 and f

47、or which a detailed technical evaluation of the functional requirements is performed ensuring there are no other constituents or properties of the gases that can affect the integrity of the pipeline. Onland gas infrastructure is where: pipeline elements are made of unalloyed or low-alloyed carbon st

48、eel; pipeline elements are joined by welds, flanges or mechanical couplings; the pipeline is not located within commercial or industrial premises as an integral part of the industrial process on these premises except for any pipelines and facilities supplying such premises; the design temperature of the system is between 40 C and 120 C inclusive. This European Standard applies to onshore pipeline systems from the point where the pipeline first crosses what is normally accepted as battery limit between on and offshore, e.g

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