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DIN EN 1474-3-2009 Installation and equipment for liquefied natural gas - Design and testing of marine transfer systems - Part 3 Offshore transfer systems English version of DIN EN.pdf

1、February 2009DEUTSCHE NORM English price group 14No part of this standard 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).ICS 75.200!$Uzf“1508767ww

2、w.din.deDDIN EN 1474-3Installation and equipment for liquefied natural gas Design and testing of marine transfer systems Part 3: Offshore transfer systemsEnglish version of DIN EN 1474-3:2009-02Anlagen und Ausrstung fr Flssigerdgas Auslegung und Prfung von Schiffsbergabesystemen Teil 3: Offshore-ber

3、gabesystemeEnglische Fassung DIN EN 1474-3:2009-02www.beuth.deDocument comprises 29 pagesDIN EN 1474-3:2009-02 2 Start of validity This standard takes effect on 1 February 2009. National foreword This standard includes safety requirements. This standard has been prepared by Technical Committee CEN/T

4、C 282 “Installation and equipment for LNG” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the Normenausschuss Gastechnik (Gas Technology Standards Committee). It is intended to include this standard in the body of Codes of practice for gas issued by the DVG

5、W Deutscher Verein des Gas- und Wasserfaches e.V. (German Association of Gas and Water Engineers). EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 1474-3December 2008ICS 75.200English VersionInstallation and equipment for liquefied natural gas - Design andtesting of marine transfer systems - Part

6、3: Offshore transfersystemsInstallations et quipements de gaz naturel liqufi -Conception et essais des systmes de transfert marins -Partie 3: Systmes de transfert offshoreAnlagen und Ausrstung fr Flssigerdgas - Auslegung undPrfung von Schiffsbergabesystemen - Teil 3: Offshore-bergabesystemeThis Euro

7、pean Standard was approved by CEN on 1 November 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references con

8、cerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own

9、 language and notified to the CEN Management Centre has the same status as theofficial 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,

10、 Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All r

11、ights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1474-3:2008: EEN 1474-3:2008 (E) 2 Contents Page Foreword4 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 Definition and ability of the LNG transfer systems7 4.1 System requirem

12、ent 7 4.2 Overall safety philosophy .7 4.3 Overall functional targets and requirements 8 4.4 Design principles and risk assessment methodology.8 4.5 Design principles.9 4.6 Risk assessment10 4.6.1 Hazard identification .10 4.6.2 Risk analysis 11 4.6.3 Risk assessment11 4.6.4 Acceptance criteria12 4.

13、7 Safety-critical elements.12 4.8 Performance standards.12 4.9 Risk reduction12 5 New design qualification.13 5.1 Design qualification.13 5.2 Technology assessment .14 5.3 Risk assessment: failure mode identification 14 5.4 Analysis and testing14 5.5 Reliability analysis.16 5.6 Compliance statements

14、 16 6 Design basis and criteria of a LNG transfer system 16 6.1 General16 6.2 Supporting structures and equipment 17 6.3 Transfer line diameter and product data.17 6.4 Dimensions and clearances .17 6.5 Stress analysis.18 6.6 Dynamic behaviour (cyclic motions amplitude, speed and fatigue) 18 6.7 Spec

15、ial loads situations18 6.8 Product swivel joints and structural bearings19 6.9 Connecting/disconnecting device .19 6.10 Handling for connection, disconnection, storing.19 6.11 Communications, evacuation and rescue.19 6.12 Others .20 7 Safety precautions.21 7.1 Introduction21 7.2 Communication21 7.3

16、Approach and control monitoring berthing and connection process .21 7.4 Position monitoring, alarm and shut down system for the LNG transfer systems 22 7.5 ERS system 22 7.6 Safety interfaces 22 7.7 Control of fluid transfer.23 8 Connection with the LNGC .23 8.1 Two main categories of LNG transfer s

17、ystems are anticipated: 23 DIN EN 1474-3:2009-02 EN 1474-3:2008 (E) 3 8.2 Additional requirements for the ship shall address: .23 8.3 In order maximise the level of standardisation the following guidance shall be observed:.24 8.4 Systems and equipment for the position control of the LNG carrier duri

18、ng berthing, connection and transfer: 24 9 Operating and control design 24 10 Inspection and tests24 11 Quality assurance and control.24 12 Documentation 24 Annex A (normative) Procedure for deviation from the full standard.26 Bibliography27 DIN EN 1474-3:2009-02 Page EN 1474-3:2008 (E) 4 Foreword T

19、his document (EN 1474-3:2008) has been prepared by Technical Committee CEN/TC 282 “Installation and equipment for LNG”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at

20、 the latest by June 2009, and conflicting national standards shall be withdrawn at the latest by June 2009. 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 al

21、l such patent rights. This European Standard consists in 3 parts: EN 1474-1: Installation and equipment for liquefied natural gas Design and testing of marine transfer systems Part 1: Design and testing of transfer arms EN 1474-2: Installation and equipment for liquefied natural gas Design and testi

22、ng of marine transfer systems Part 2: Design and testing of transfer hoses EN 1474-3, Installation and equipment for liquefied natural gas Design and testing of marine transfer systems Part 3: Offshore transfer systems According to the CEN/CENELEC Internal Regulations, the national standards organiz

23、ations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Roma

24、nia, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. DIN EN 1474-3:2009-02 EN 1474-3:2008 (E) 5 1 Scope This European Standard gives general guidelines for the design of liquefied natural gas (LNG) transfer systems intended for use on offshore transfer facilities or on coastal wea

25、ther exposed transfer facilities. The transfer facilities considered may be between floating units, or between floating and fixed units. The specific component details of the LNG transfer systems are not covered by this European Standard. Reference is made to EN 1474-1 and EN 1474-2 where appropriat

26、e. As a general statement the present standard applies to all transfer systems given in the scope. However, some transfer system designs may require a deviation from the full standard as described in normative Annex A. 2 Normative references The following referenced documents are indispensable for t

27、he 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 1473, Installation and equipment for liquefied natural gas Design of onshore installations EN 1474-1:200

28、8, Installation and equipment for liquefied natural gas Part 1: Design and testing of transfer arms EN 1474-2:2008, Installation and equipment for liquefied natural gas Part 2: Design and testing of transfer hoses EN 1532, Installation and equipment for liquefied natural gas Ship to shore interface

29、EN 61511-1, Functional safety Safety instrumented systems for the process industry sector Part 1: Framework, definitions, system, hardware and software requirements (IEC 61511-1:2003 + corrigendum 2004) EN 61511-2, Functional safety Safety instrumented systems for the process industry sector Part 2:

30、 Guidelines for the application of IEC 61511-1 (IEC 61511-2:2003) EN 61511-3, Functional safety Safety instrumented systems for the process industry sector Part 3: Guidance for the determination of the required safety integrity levels (IEC 61511-3:2003 + corrigendum 2004) EN ISO 9000, Quality manage

31、ment systems Fundamentals and vocabulary (ISO 9000:2005) EN ISO 9001, Quality management systems Requirements (ISO 9001:2000) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 attitude various modes of use and/or location of the transfer system

32、 (i.e. manoeuvring, stowed, connected, washing, hydrostatic test and maintenance). The transfer system may take several positions for each attitude NOTE Transfer system see 3.18. DIN EN 1474-3:2009-02 EN 1474-3:2008 (E) 6 3.2 bank of transfer lines all the transfer lines on the transfer system NOTE

33、Transfer lines see 3.17. 3.3 cargo manifold (or manifold) pipe assembly mounted on board LNG carrier to which the outboard flanges of the transfer system are connected 3.4 coupler manual or hydraulic mechanical device used to connect the transfer system to the LNG carriers manifold NOTE This device,

34、 when not employing a bolted connection, is often also referred to as QCDC i.e. quick connect/disconnect coupler. 3.5 design pressure pressure for which the transfer system is designed 3.6 design temperature range of temperatures for which the transfer system is designed 3.7 emergency release coupli

35、ng (ERC) device to provide a means of quick release of the transfer system when such action is required only as an emergency measure 3.8 emergency release system (ERS) system that provides a positive means of quick release of transfer system and safe isolation of LNG carrier and transfer system. An

36、ERS normally contain one or several ERCs 3.9 emergency shut down (ESD) method that safely and effectively stops the transfer of LNG and vapour between the LNG carrier and the LNG terminal 3.10 envelope, operating (or operating envelope) volume in which the presentation flange(s) of a (group of) tran

37、sfer line(s) is (are) required to operate 3.11 LNGC mooring LNGC mooring arrangement on the terminal NOTE The possible mooring configuration includes: conventional mooring (jetty, quay, GBS/Gravity Base Structure, ), Multi-Buoy Mooring/Conventional Buoy Mooring (MBM/CBM, ), side-by-side mooring of t

38、wo floating units, tandem mooring (single or double hawsers arrangement, “crowfoot” hawser arrangement, rigid or articulated yokes, ), DP (Dynamic Positioning) or semi DP systems. 3.12 LNGC First Order Motions heave, pitch, roll, surge, sway, yaw NOTE These motions apply as well for a floating LNG t

39、erminal. DIN EN 1474-3:2009-02 EN 1474-3:2008 (E) 7 3.13 LNGC Second Order Motions other motions of the LNGC when moored on the LNG terminal that have to be taken into account in the design and operations like fishtailing, jack-knifing NOTE These motions results from the behaviour of the ship due to

40、 the mooring configuration. They apply in combination with the LNGC motions in 3.12. 3.14 LNG terminal LNG plant with liquefaction or re-gasification facilities NOTE The LNG transfer system is part of the LNG plant. The LNG terminal is supporting the transfer system that can be onshore or offshore m

41、ounted on a fixed or floating structure with or without storage facility. 3.15 performance standard statement, which can be expressed in qualitative or quantitative terms, of the performance required of a system, item of equipment, person or procedure, and which is used as the basis for establishing

42、 the design specification, manufacturing and installation for the safe operation through the life cycle of the installation 3.16 surge pressure rapid change in pressure as a consequence of a change in flow rate in the transfer system 3.17 transfer line (or product line) articulated piping, the trans

43、fer hose and swivels if any, or a combination of the piping and hose, allowing the transfer of LNG and natural gas between the LNGC and the LNG terminal 3.18 transfer system LNG and natural gas transfer system, the transfer system comprises the transfer lines and all their supporting structure inclu

44、ding the supporting structure on the LNG terminal, complete with all accessories, control/detection systems, energy supply NOTE The transfer systems have typically mobile and fixed parts. 4 Definition and ability of the LNG transfer systems 4.1 System requirement A description of the system and the

45、operation shall be established. Any system for offshore or coastal weather exposed operations, including LNG-C mooring and transfer systems, has to be considered as new development, should it incorporate arms or hoses. Development of specific performance standards for compliance would be required. T

46、hese performance standards would be developed based on risk assessment techniques (see Clause 5). 4.2 Overall safety philosophy An overall safety philosophy shall be established and documented by the owner, reflecting applicable legislation, owner requirements, industry standards and best practices.

47、 The overall safety philosophy shall address the risk categorisation and also acceptance criteria. It shall be complemented as necessary, prior to commissioning, with vendor specific recommendation concerning precautions for use of the systems or parts of it. It shall be consistent with the terminal

48、 general safety philosophy. DIN EN 1474-3:2009-02 EN 1474-3:2008 (E) 8 4.3 Overall functional targets and requirements The overall functional requirements for the cargo transfer system shall be identified and documented. As a minimum the following capabilities shall be addressed for the different op

49、erational phases: berthing configuration (tandem or side by side or single point mooring, ); additional requirements to the manifold on the LNG carrier when required (e.g. tandem or single point mooring offloading); berthing and mooring procedure; procedure for connection, transfer and disconnect including emergency release; process of monitoring and management of continual relative movements between vessels (CPMS, telemetry etc.); procedure and facilities handling, lifting and storing of transfer equipment

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