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1、BS EN 1474-1:2008 ICS 75.200 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Installation and equipment for liquefied natural gas Design and testing of marine transfer systems Part 1: Design and testing of transfer arms This British Standard was published unde
2、r the authority of the Standards Policy and Strategy Committee on 30 April 2009. BSI 2009 ISBN 978 0 580 57003 2 Amendments/corrigenda issued since publication DateComments BS EN 1474-1:2008 National foreword This British Standard is the UK implementation of EN 1474-1:2008. It supersedes BS EN 1474:
3、1997 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee GSE/38, Installation and equipment for LNG. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the ne
4、cessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 1474-1:2008 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1474-1 December 2008 ICS 75
5、.200Supersedes EN 1474:1997 English Version Installation and equipment for liquefied natural gas - Design and testing of marine transfer systems - Part 1: Design and testing of transfer arms Installations et quipements relatifs au gaz naturel liqufi - Conception et essais des systmes de transfert ma
6、rins - Partie 1: Conception et essais des bras de chargement/dchargement Anlagen und Ausrstung fr Flssigerdgas - Auslegung und Prfung von Schiffsbergabesystemen - Teil 1: Auslegung und Prfung von Verladearmen This European Standard was approved by CEN on 1 November 2008. CEN members are bound to com
7、ply with the CEN/CENELEC 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 Manage
8、ment 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 translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as th
9、e official 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, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovak
10、ia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwide
11、for CEN national Members. Ref. No. EN 1474-1:2008: E BS EN 1474-1:2008 EN 1474-1:2008 (E) 2 Contents Page Foreword 4 1 Scope 5 2 Normative references 5 3 Terms, definitions and abbreviations 7 4 Design of the arms 15 4.1 Definition of the length and the configuration of the arms, arms description .
12、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 Swivel joints 21 4.3.1 General . 21 4.3.2 Product sealing arrangement 21 4.3.3 Bearing system . 21 4.3.4 External
13、 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 4.4.4 Grease sampling point . 23 4.5 Accessories . 23 4.5.1 Adjustable support (jack) . 23 4.5.2 Nitrogen injecti
14、on 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 Qualification 24 4.7.2 Filler metals . 24 4.8 Corrosion protection, fire proofing and embrittlement protection 24
15、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 5.2.2 Second stage . 26 5.3 Monitoring and alarm systems 26 5.3.1 Arm positioning alarms system 26 5.3.2 Arm cons
16、tant 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 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 1474-1:2008 EN 1474-1:2008 (E) 3 5.5.2 Safety devices on emergency release system (ERS) 27 5.
17、5.3 Fire safety requirements . 27 5.5.4 Electrical safety 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
18、 31 7.1 General . 31 7.2 Arms operations 31 7.3 Hydraulic 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 Q
19、CDC 37 8.3 Manufacturing 39 8.3.1 Materials . 39 8.3.2 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
20、 Hydraulic circuit test . 42 8.4.7 Transfer arm assembly 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
21、46 Annex B (informative) Constant Position Monitoring System (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 BS EN 1474-1:2
22、008 EN 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 held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an i
23、dentical 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 some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held re
24、sponsible 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 liquefied natural gas Design and testing of marine transfer systems Part 1: Design and testing of transfer arms EN 147
25、4-2, 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 for liquefied natural gas Design and testing of marine transfer systems Part 3: Offshore transfer systems Accordi
26、ng to the CEN/CENELEC Internal Regulations, the national standards organizations 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,
27、 Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 1474-1:2008 EN 1474-1:2008 (E) 5 1 Scope This European Standard specifies the design, minimum safety requirements
28、 and inspection and testing procedures for liquefied 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 cover
29、ed, the standard does not include all the details for 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
30、 1473. 2 Normative references The following referenced 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, Qualifica
31、tion test of welders Fusion welding Part 1: Steels EN 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 meta
32、llic materials Bend tests EN 1092-1, Flanges and their 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 flan
33、ges EN 1160, Installations and equipment for liquefied 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
34、 1514-1, Flanges and their joints Dimensions of gaskets 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, f
35、ittings and accessories, Class designated Part 1: Steel 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 struct
36、ure, or wharf, capable of withstanding the berthing loads 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
37、safe access and egress for personnel performing maintenance or operational duties.“ See also definitions in EN 1474-2 and -3. BS EN 1474-1:2008 EN 1474-1:2008 (E) 6 EN 1991-1-4, Eurocode 1: Actions on structures Part 1-4: General actions Wind actions EN 10204, Metallic products Types of inspection d
38、ocuments 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 valves Part 2: Tests, test procedures and acceptance criteria Supplementary requirements EN 12308, Installation and
39、 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 flanges Part 1: Non-metallic flat gaskets with or without inserts EN 12560-2, Flanges and their joints Gaskets for Clas
40、s-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 gaskets EN 12560-4, Flanges and their joints Gaskets for Class-designated flanges Part 4: Corrugated, flat or groov
41、ed 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 with steel flanges EN 12560-6, Flanges and their joints Gaskets for Class-designated flanges Part 6: Covered serrat
42、ed 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-electrical equipment for use in potential explosive atmospheres Part 1: Basic method and requirements EN 13463-2, Non-elec
43、trical 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 atmospheres Part 5: Protection by constructional safety “c” EN 13463-8, Non-electrical equipment for use in potential ex
44、plosive 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 electrical machines (IP code) Classification (IEC 60034-5:2000) EN 60079-0, Electrical apparatus for explosive gas atmospher
45、es 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, Explo
46、sive atmospheres Part 5: Equipment protection by powder filling “q“ (IEC 60079-5:2007) 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 1474-1:2008 EN 1474-1:2008 (E) 7 EN 60079-6, Explosive atmospheres Part 6: Equipment protection by oil immersion “o“ (IEC 60079-6:2007) EN 60079-7, Explosive atmospheres Pa
47、rt 7: Equipment protection by increased safety “e“ (IEC 60079-7:2006) EN 60079-10, Electrical apparatus for explosive gas atmospheres Part 10: Classification of hazardous areas (IEC 60079- 10:2002) EN 60079-11, Explosive atmospheres Part 11: Equipment protection by intrinsic safety “i“ (IEC 60079-11
48、:2006) EN 60079-18, Electrical apparatus for explosive gas atmospheres Part 18: Construction, test and marking of type of protection encapsulation “m“ electrical apparatus (IEC 60079-18:2004) EN 60079-25, Electrical apparatus for explosive gas atmospheres Part 25: Intrinsically safe systems (IEC 600
49、79-25:2003) EN 60529, Degrees of protection provided by enclosures (IP Code) (IEC 60529:1989) EN 61508 (all parts), Functional safety of electrical/electronic/programmable electronic safety-related systems EN 61511 (all parts), Functional safety Safety instrumented systems for the process industry sector EN 62305-3, Protection of structures against lightning Part 3: Physical damage to structures and life hazard (IEC