1、BRITISH STANDARDBS EN ISO 19904-1:2006Incorporating amendment no. 1 (renumbers BS ISO 19904-1:2006 as BS EN ISO 19904-1:2006)Petroleum and natural gas industries Floating offshore structures Part 1: Monohulls, semi-submersibles and sparsThe European Standard EN ISO 19904-1:2006 has the status of a B
2、ritish StandardICS 75.180.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN ISO 19904-1:2006This British Standard was published under the auth
3、ority of the Standards Policy and Strategy Committee on 29 December 2006 BSI 2007ISBN 0 580 49856 5National forewordThis British Standard was published by BSI. It is the UK implementation of EN ISO 19904-1:2006. It is identical with ISO 19904-1:2006.The UK participation in its preparation was entrus
4、ted by Technical Committee B/525, Building and civil engineering structures, to Subcommittee B/525/12, Design of offshore structures.A list of organizations represented on B/525/12 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions o
5、f a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date Comments16927 30 March 2007 Renumbers BS ISO 19904-1:2006 as BS EN ISO 19904-1:2006EUROPEAN STANDARDNORME
6、EUROPENNEEUROPISCHE NORMEN ISO 19904-1November 2006ICS 75.180.10English VersionPetroleum and natural gas industries - Floating offshorestructures - Part 1: Monohulls, semi-submersibles and spars(ISO 19904-1:2006)Industries du ptrole et du gaz naturel - Structures en merflottantes - Partie 1: Units m
7、onocoques, units semi-submersibles et units spars (ISO 19904-1:2006)Erdl- und Erdgasindustrie - Schwimmende Offshore-Anlagen - Teil 1: Produktions- und Lagerungsanlagenauer Tension-Leg-Anlagen (ISO 19904-1:2006)This European Standard was approved by CEN on 22 September 2006.CEN members are bound to
8、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 concerning such nationalstandards may be obtained on application to the Central S
9、ecretariat 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 language and notified to the Central Secretariat has the same status as the off
10、icialversions.CEN members are the national standards bodies of Austria, Belgium, 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
11、, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Member
12、s.Ref. No. EN ISO 19904-1:2006: EForeword This document (EN ISO 19904-1:2006) has been prepared by Technical Committee ISO/TC 67 “Materials, equipment and offshore structures for petroleum and natural gas industries“ in collaboration with Technical Committee CEN/TC 12 “Materials, equipment and offsh
13、ore structures for petroleum, petrochemical and natural gas industries“, 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 the latest by May 2007, and conflicting nation
14、al standards shall be withdrawn at the latest by May 2007. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Ge
15、rmany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 19904-1:2006 has been approved by CEN as EN ISO 19904-1:2006 wi
16、thout any modifications. EN ISO 19904-1:2006Reference numberISO 19904-1:2006(E)INTERNATIONAL STANDARD ISO19904-1First edition2006-11-01Petroleum and natural gas industries Floating offshore structures Part 1: Monohulls, semi-submersibles and sparsIndustries du ptrole et du gaz naturel Structures en
17、mer flottantes Partie 1: Units monocoques, units semi-submersibles et units sparsEN ISO 19904-1:2006ii iiiContents Page Foreword vi Introduction . viii 1 Scope . 1 2 Normative references . 2 3 Terms and definitions. 3 4 Symbols and abbreviated terms . 9 4.1 Symbols . 9 4.2 Abbreviated terms 10 5 Ove
18、rall considerations . 12 5.1 Functional requirements 12 5.2 Safety requirements . 12 5.3 Planning requirements. 13 5.4 Rules and regulations 14 5.5 General requirements. 14 5.6 Independent verification 18 5.7 Analytical tools . 18 5.8 In-service inspection and maintenance 18 5.9 Assessment of existi
19、ng floating structures. 18 5.10 Reuse of existing floating structures . 19 6 Basic design requirements 19 6.1 General. 19 6.2 Exposure levels. 19 6.3 Limit states 22 6.4 Design situations 23 7 Actions and action effects . 25 7.1 General. 25 7.2 Permanent actions (G) 25 7.3 Variable actions (Q) 25 7.
20、4 Accidental actions (A). 26 7.5 Environmental actions (E) 27 7.6 Other actions. 35 7.7 Repetitive actions . 35 7.8 Action combinations 36 8 Global analysis 36 8.1 General. 36 8.2 Static and mean response analyses. 36 8.3 Global dynamic behaviour. 37 8.4 Frequency domain analysis. 39 8.5 Time domain
21、 analysis. 39 8.6 Uncoupled analysis 40 8.7 Coupled analysis 40 8.8 Resonant excitation and response . 40 8.9 Platform offset. 40 8.10 Air gap 40 8.11 Platform motions and accelerations. 41 8.12 Model tests 41 8.13 Design situations for structural analysis . 42 EN ISO 19904-1:2006iv 9 Structural con
22、siderations. 42 9.1 General . 42 9.2 Representative values of actions 43 9.3 Design scantlings . 44 9.4 Modelling 45 9.5 Structural analysis 47 9.6 Structural strength 49 9.7 Design checks . 50 9.8 Special design issues. 54 9.9 Material. 55 9.10 Corrosion protection of steel. 57 9.11 Fabrication and
23、 construction. 57 9.12 Marine operations . 58 9.13 Topsides/hull interface . 58 10 Fatigue analysis and design 59 10.1 General . 59 10.2 Fatigue damage design safety factors 60 10.3 Outline of approach 61 10.4 Environmental data. 62 10.5 Structural modelling . 62 10.6 Hydrostatic analyses 62 10.7 Re
24、sponse amplitude operators and combinations of actions . 62 10.8 Stresses and SCFs 63 10.9 Stress range counting and distribution 63 10.10 Fatigue resistance. 63 10.11 Damage accumulation 63 10.12 Fracture mechanics methods 64 10.13 Fatigue-sensitive components and connections. 64 11 Monohulls 65 11
25、.1 General . 65 11.2 General design criteria . 65 11.3 Structural strength 66 12 Semi-submersibles . 69 12.1 General . 69 12.2 General design criteria . 69 12.3 Structural strength 70 13 Spars 70 13.1 General . 70 13.2 General design requirements 71 13.3 Structural strength 72 14 Conversion and reus
26、e 72 14.1 General . 72 14.2 Minimum design, construction and maintenance standards . 73 14.3 Pre-conversion structural survey 73 14.4 Effects of prior service . 73 14.5 Corrosion protection and material suitability 75 14.6 Inspection and maintenance 75 15 Hydrostatic stability and compartmentation 7
27、5 15.1 General . 75 15.2 Inclining test 76 15.3 Compartmentation 76 15.4 Watertight and weathertight appliances. 76 15.5 Special requirements for monohulls. 77 16 Mechanical systems . 77 16.1 General . 77 16.2 Hull systems 77 EN ISO 19904-1:2006v16.3 Import and export systems 85 16.4 Fire protection
28、 systems . 87 17 Stationkeeping systems. 88 17.1 General. 88 17.2 Mooring equipment. 89 17.3 Turret 90 18 In-service inspection, monitoring and maintenance. 92 18.1 General. 92 18.2 Structural integrity management system philosophies 92 18.3 Planning considerations 95 18.4 Implementation issues . 96
29、 18.5 Minimum requirements 99 Annex A (informative) Additional information and guidance 104 A.1 Scope . 104 A.2 Normative references . 106 A.3 Terms and definitions. 106 A.4 Symbols and abbreviated terms . 106 A.5 Overall considerations . 107 A.6 Basic design requirements 111 A.7 Actions and action
30、effects . 113 A.8 Global analysis 125 A.9 Structural considerations 128 A.10 Fatigue analysis and design 134 A.11 Monohulls 137 A.12 Semi-submersibles. 141 A.13 Spars 142 A.14 Conversion and reuse 143 A.15 Hydrostatic stability and compartmentation . 144 A.16 Mechanical systems . 144 A.17 Stationkee
31、ping systems. 154 A.18 In-service inspection, monitoring and maintenance. 155 Bibliography . 172 EN ISO 19904-1:2006vi Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Sta
32、ndards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also
33、take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees
34、 is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibi
35、lity that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 19904-1 was prepared by Technical Committee ISO/TC 67, Materials, equipment and offshore structures for petroleum, petrochemical a
36、nd natural gas industries, Subcommittee SC 7, Offshore structures. ISO 19904 consists of the following parts, under the general title Petroleum and natural gas industries Floating offshore structures: Part 1: Monohulls, semi-submersibles and spars Tension leg platforms is to form the subject of a fu
37、ture Part 2. ISO 19904 is one of a series of standards for offshore structures. The full series consists of the following International Standards. ISO 19900, Petroleum and natural gas industries General requirements for offshore structures ISO 19901 (all parts), Petroleum and natural gas industries
38、Specific requirements for offshore structures ISO 19902, Petroleum and natural gas industries Fixed steel offshore structures 1) ISO 19903, Petroleum and natural gas industries Fixed concrete offshore structures 1) ISO 19904-1, Petroleum and natural gas industries Floating offshore structures Part 1
39、: Monohulls, semi-submersibles and spars ISO 19904-2, Petroleum and natural gas industries Floating offshore structures Part 2: Tension leg platforms 2) ISO 19905-1, Petroleum and natural gas industries Site-specific assessment of mobile offshore units Part 1: Jack-ups 2)1)To be published.2)Under pr
40、eparation.EN ISO 19904-1:2006vii ISO/TR 19905-2, Petroleum and natural gas industries Site-specific assessment of mobile offshore units Part 2: Jack-ups commentary 3) ISO 19906, Petroleum and natural gas industries Arctic offshore structures 3)3)Under preparation.EN ISO 19904-1:2006viii Introduction
41、 The series of International Standards applicable to types of offshore structure, ISO 19900 to ISO 19906, constitutes a common basis covering those aspects that address design requirements and assessments of all offshore structures used by the petroleum, petrochemical and natural gas industries worl
42、dwide. Through their application the intention is to achieve reliability levels appropriate for manned and unmanned offshore structures, whatever the type of structure and the nature or combination of materials used. It is important to recognize that structural integrity is an overall concept compri
43、sing models for describing actions, structural analyses, design rules, safety elements, workmanship, quality control procedures and national requirements, all of which are mutually dependent. The modification of one aspect of design in isolation can disturb the balance of reliability inherent in the
44、 overall concept or structural system. The implications involved in modifications, therefore, need to be considered in relation to the overall reliability of all offshore structural systems. The series of International Standards applicable to types of offshore structure is intended to provide wide l
45、atitude in the choice of structural configurations, materials and techniques without hindering innovation. Sound engineering judgement is therefore necessary in the use of these International Standards. International Standard ISO 19904 was developed in response to the offshore industrys demand for a
46、 coherent and consistent definition of methodologies to design, analyse and assess floating offshore structures of the class described in Clause 1. In particular, this part of ISO 19904 addresses monohulls, semi-submersibles and spars. Some background to, and guidance on, the use of this part of ISO
47、 19904 is provided in informative Annex A. The clause numbering in Annex A is the same as in the normative text to facilitate cross-referencing. EN ISO 19904-1:20061Petroleum and natural gas industries Floating offshore structures Part 1: Monohulls, semi-submersibles and spars 1 Scope This part of I
48、SO 19904 provides requirements and guidance for the structural design and/or assessment of floating offshore platforms used by the petroleum and natural gas industries to support the following functions: production; storage and/or offloading; drilling and production; production, storage and offloadi
49、ng; drilling, production, storage and offloading. NOTE 1 Floating offshore platforms are often referred to using a variety of abbreviations, e.g. FPS, FSU, FPSO, etc. (see Clauses 3 and 4), in accordance with their intended mission. NOTE 2 In this part of ISO 19904, the term “floating structure”, sometimes shortened to “structure”, is used as a generic term to indicate the structural systems of any member of the classes of platforms defined above. NOTE 3 In some cases, floating platforms are designated as “e
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