1、BS EN1474-1:2008ICS 75.200NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDInstallation andequipment forliquefied natural gas Design and testingof marine transfersystemsPart 1: Design and testing of transferarmsCopyright European Committee for Standardization Pro
2、vided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-This British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 30 April2009. BSI 2009ISBN 978 0 580 57003 2Amendments/corrigenda issued since p
3、ublicationDate CommentsBS EN 1474-1:2008National forewordThis British Standard is the UK implementation of EN 1474-1:2008. Itsupersedes BS EN 1474:1997 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee GSE/38, Installation and equipment for LNG.A list of
4、organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligat
5、ions.Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1474-1:2008EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 1474-1December 2008ICS 75.200 Supersedes EN 1474:1997 Engl
6、ish VersionInstallation and equipment for liquefied natural gas - Design andtesting of marine transfer systems - Part 1: Design and testing oftransfer armsInstallations et quipements relatifs au gaz naturel liqufi -Conception et essais des systmes de transfert marins -Partie 1: Conception et essais
7、des bras dechargement/dchargementAnlagen und Ausrstung fr Flssigerdgas - Auslegung undPrfung von Schiffsbergabesystemen - Teil 1: Auslegungund Prfung von VerladearmenThis European Standard was approved by CEN on 1 November 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulation
8、s which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European
9、 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 language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national
10、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
11、Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1474-1:2008: ECopyr
12、ight European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1474-1:2008EN 1474-1:2008 (E) 2 Contents Page Foreword 4 1 Scope 5 2 Normative references 5 3 Terms, definitions and abbreviation
13、s 7 4 Design of the arms 15 4.1 Definition of the length and the configuration of the arms, arms description . 15 4.1.1 General . 15 4.1.2 Balancing . 16 4.1.3 Arms dimensions and clearances. 16 4.2 Design basis 16 4.2.1 Product line diameter and product data . 16 4.2.2 Material and grades 17 4.3 Sw
14、ivel joints 21 4.3.1 General . 21 4.3.2 Product sealing arrangement 21 4.3.3 Bearing system . 21 4.3.4 External sealing arrangement . 21 4.3.3 Design 21 4.4 Structural bearings . 22 4.4.1 Cyclic movements 22 4.4.2 Installation of structural bearings . 22 4.4.3 Protection of structural bearings 22 4.
15、4.4 Grease sampling point . 23 4.5 Accessories . 23 4.5.1 Adjustable support (jack) . 23 4.5.2 Nitrogen injection line 23 4.5.3 Storage locking device . 23 4.5.4 Ladders and platforms . 23 4.5.5 Liquid nitrogen line. 24 4.5.6 Thermal insulation 24 4.6 Pipework and fitting 24 4.7 Welding 24 4.7.1 Qua
16、lification 24 4.7.2 Filler metals . 24 4.8 Corrosion protection, fire proofing and embrittlement protection 24 4.8.1 Corrosion protection 24 4.8.2 Embrittlement protection . 25 4.9 Maintenance 25 5 Safety systems 25 5.1 General . 25 5.2 Two stage alarm and shut down system 26 5.2.1 First stage 26 5.
17、2.2 Second stage . 26 5.3 Monitoring and alarm systems 26 5.3.1 Arm positioning alarms system 26 5.3.2 Arm constant position monitoring system (CPMS) 26 5.3.3 Pressure and hydraulic level alarm 26 5.4 Definition of alarm envelopes 27 5.5 Safety devices . 27 5.5.1 General . 27 Copyright European Comm
18、ittee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1474-1:2008EN 1474-1:2008 (E) 3 5.5.2 Safety devices on emergency release system (ERS) 27 5.5.3 Fire safety requirements . 27 5.5.4 Electrical safe
19、ty requirements . 28 5.5.5 Failure of electrical power supply . 28 5.5.6 Stray current protectors . 29 5.5.7 Bonding 29 6 Connection with the ship 29 6.1 General . 29 6.2 QCDC body 30 6.3 QCDC system . 30 7 Hydraulic and electric control systems 31 7.1 General . 31 7.2 Arms operations 31 7.3 Hydraul
20、ic components 32 7.4 Electric components . 33 7.5 Testing of control systems . 33 7.6 Remote control 33 7.7 Jetty external equipment 33 8 Inspection and tests 34 8.1 General . 34 8.2 Prototype testing . 34 8.2.1 Swivels 34 8.2.2 ERS . 36 8.2.3 QCDC 37 8.3 Manufacturing 39 8.3.1 Materials . 39 8.3.2
21、Non destructive testing . 39 8.3.3 Insulation flange (stray current protector) 39 8.4 Factory acceptance tests 40 8.4.1 Swivel 40 8.4.2 Structural bearing 40 8.4.3 ERS . 41 8.4.4 QCDC 41 8.4.5 Insulation flange (stray current protector) 41 8.4.6 Hydraulic circuit test . 42 8.4.7 Transfer arm assembl
22、y test 42 8.4.8 Site acceptance tests 43 9 Quality assurance and control . 44 9.1 Quality system . 44 9.2 Quality plan 44 10 Required documentation 45 10.1 Tender documentation 45 10.2 Contract documentation . 45 Annex A (informative) Materials 46 Annex B (informative) Constant Position Monitoring S
23、ystem (CPMS) . 47 Annex C (informative) Suggestions for arms alarms setting and ESD/ERS activation . 48 Annex D (normative) Tables D.1 to D.17 and Figures D.1 to D.4 . 49 Annex E (informative) Figures E.1 to E.3 71 Bibliography 74 Copyright European Committee for Standardization Provided by IHS unde
24、r license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1474-1:2008EN 1474-1:2008 (E) 4 Foreword This document (EN 1474-1:2008) has been prepared by Technical Committee CEN/TC 282 “Installation and equipment for LNG”, the secretariat of which is hel
25、d 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 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
26、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 1474:1997. This European Standard consists of 3 parts: EN 1474-1, Installation and equipment for liqu
27、efied 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 testing of marine transfer systems Part 2: Design and testing of transfer hoses EN 1474-3, Installation and equipment
28、 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 organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyp
29、rus, 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. Copyright European Committee for Standar
30、dization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1474-1:2008EN 1474-1:2008 (E) 5 1 Scope This European Standard specifies the design, minimum safety requirements and inspection and testing procedures for liquefied
31、 natural gas (LNG) transfer arms intended for use on conventional onshore (LNG) terminals 1). It also covers the minimum requirements for safe LNG transfer between ship and shore. Although the requirements for remote control power systems are covered, the standard does not include all the details fo
32、r the design and fabrication of standard parts and fittings associated with transfer arms. The content of this European Standard is supplementary to local or national standards and regulations and is additional to the requirements of EN 1532 and EN 1473. 2 Normative references The following referenc
33、ed documents are indispensable for the 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 287-1, Qualification test of welders Fusion welding Part 1: Steels E
34、N 571-1, Non destructive testing Penetrant testing Part 1: General principles EN 875, Destructive tests on welds in metallic materials Impact tests Test specimen location, notch orientation and examination EN 910, Destructive tests on welds in metallic materials Bend tests EN 1092-1, Flanges and the
35、ir joints Circular flanges for pipes, valves, fittings and accessories, PN designated Part 1: Steel flanges EN 1092-4, Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, PN designated Part 4: Aluminium alloy flanges EN 1160, Installations and equipment for liquefi
36、ed natural gas General characteristics of liquefied natural gas EN 1435, Non-destructive examination of welds Radiographic examination of welded joints EN 1473, Installation and equipment for liquefied natural gas Design of onshore installations EN 1514-1, Flanges and their joints Dimensions of gask
37、ets for PN-designated flanges Part 1: Non-metallic flat gaskets with or without inserts EN 1532, Installation and equipment for liquefied natural gas Ship to shore interface EN 1759-1, Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, Class designated Part 1: Ste
38、el flanges, NPS to 24 1)CONVENTIONAL ONSHORE (LNG) TERMINAL - Definition: A marine transfer facility for the loading or unloading of LNG Carriers that is located in a harbour or other sheltered coastal location. It shall consist of a fixed structure, or wharf, capable of withstanding the berthing lo
39、ads of a fully laden LNG Carrier of a given specification and mooring the vessel safely alongside. The structure shall be connected to the shore by a trestle, tunnel or other means, facilitating the transfer and ancillary pipe work and providing safe access and egress for personnel performing mainte
40、nance or operational duties.“ See also definitions in EN 1474-2 and -3. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1474-1:2008EN 1474-1:2008 (E) 6 EN 1991-1-4, Eurocod
41、e 1: Actions on structures Part 1-4: General actions Wind actions EN 10204, Metallic products Types of inspection documents EN 12266-1, Industrial valves Testing of valves Part 1: Pressure tests, test procedures and acceptance criteria Mandatory requirements EN 12266-2, Industrial valves Testing of
42、valves Part 2: Tests, test procedures and acceptance criteria Supplementary requirements EN 12308, Installation and equipment for liquefied natural gas Suitability testing of gaskets designed for flanged joints used on LNG piping EN 12560-1, Flanges and their joints Gaskets for Class-designated flan
43、ges Part 1: Non-metallic flat gaskets with or without inserts EN 12560-2, Flanges and their joints Gaskets for Class-designated flanges Part 2: Spiral wound gaskets for use with steel flanges EN 12560-3, Flanges and their joints Gaskets for Class-designated flanges Part 3: on-metallic PTFE envelope
44、gaskets EN 12560-4, Flanges and their joints Gaskets for Class-designated flanges Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges EN 12560-5, Flanges and their joints Gaskets for Class-designated flanges Part 5: Metallic ring joint gaskets for use
45、with steel flanges EN 12560-6, Flanges and their joints Gaskets for Class-designated flanges Part 6: Covered serrated metal gaskets for use with steel flanges EN 12567, Industrial valves Isolating valves for LNG Specification for suitability and appropriate verification tests EN 13463-1, Non-electri
46、cal equipment for use in potential explosive atmospheres Part 1: Basic method and requirements EN 13463-2, Non-electrical equipment for use in potential explosive atmospheres Part 2: Protection by flow restricting enclosure fr EN 13463-5, Non-electrical equipment for use in potential explosive atmos
47、pheres Part 5: Protection by constructional safety “c” EN 13463-8, Non-electrical equipment for use in potential explosive atmospheres Part 8: Protection by liquid immersion k EN 60034-5, Rotating electrical machines Part 5: Degrees of protection provided by the integral design of rotating electrica
48、l machines (IP code) Classification (IEC 60034-5:2000) EN 60079-0, Electrical apparatus for explosive gas atmospheres Part 0: General requirements (IEC 60079-0:2004, modified) EN 60079-1, Explosive atmospheres Part 1: Equipment protection by flameproof enclosures “d“ (IEC 60079-1:2007) EN 60079-2, Explosive atmospheres Part 2: Equipment protection by pressurized enclosure “p“ (IEC 60079-2:2007) EN 60079-5, Explosive atmospheres Part 5: Equipment protection by powder filling “q“ (IEC 60079-5:2007) Copyright European Committee for Standa
