1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 13879:1999 ICS 01.
2、110; 75.020 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Petroleum and natural gas industries Content and drafting of functional specificationsThis British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the author
3、ity of the Standards Committee and comes into effect on 15 April 2000 BSI 04-2000 ISBN 0 580 35867 4 BS ISO 13879:1999 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 13879:1999 and implements it as the UK national standard.
4、The UK participation in its preparation was entrusted to Technical Committee PSE/17, Petroleum and natural gas industries, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or propos
5、als for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement interna
6、tional or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to includ
7、e all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO
8、 title page, pages ii to iv, pages 1 to 8, the National Annex (x4 pages), an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.A Referencenumbe r ISO13879:1999 (E) INTERNATIONAL STANDARD ISO 13879 Firstedition 19991015
9、 Petroleumandnaturalgasindustries Contentanddraftingofafunctional specification IndustriesduptroleetdugaznaturelRdactionetcontenu dunespcificationfonctionnelleISO13879:1999(E) ii Contents 1Scop e1 2Normativereferenc e1 3Termsanddefinition s.1 4Guidelinesfordraftin g2 4.1Objectiveofafunctionalspecifi
10、catio n.2 4.2Formatofafunctionalspecificatio n.2 5Framework,structureandconten t.3 5.1Generalarrangemen t3 5.2Preliminaryelement s3 5.3Generalnormativeelement s4 5.4Functionalnormativeelement s.5 5.5Supplementaryelement s.6 AnnexA (informative) Frequentlyaskedquestion s.7 Bibliography8 ISO13879:1999
11、(E) iii Foreword ISO (the InternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestab
12、lishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredrafted
13、inaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtoth ememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. InternationalStandardISO13879waspreparedbyTech
14、nicalCommitteeISO/TC67,Materials,equipmentand offshorestructuresforpetroleumandnaturalgasindustries. AnnexAofthisInternationalStandardisforinformationonly.ISO13879:1999(E) iv Introduction Whenauser/purchaserwishestoprocureaproduct,processorservice,theuser/purchasermayproducea functionalspecification
15、.Ifso,themanufacturer/supplierprovidesatechnicalspecification(seeISO 13880)asthe basisformanufacturingorexecution.Theuser/purchaserdecidesontheextenttowhichitisnecessary to determine,directlyorindirectly,thatrelevantrequirementsarefulfilledandstatesthisinthecontractwiththe manufacturer/supplier.Afun
16、ctionalspecificationmaynotbenecessaryifauser/purchaserwishestoobtaina knownstandardproduct,processorservicemanufactured/suppliedtoarecognizedstandard.INTERNATIONALSTANDARD ISO13879:1999(E) 1 Petroleumandnaturalgasindustries Contentanddraftingofafunctionalspecification 1Scope ThisInternationalStandar
17、dprovidesguidanceonthecontentanddraftingofafunctionalspecification. Afunctionalspecificationmaynotbenecessaryifauser/purchaserwishestoobtainaknownstandardproduct, processorservicemanufactured/suppliedtoarecognizedstandard. 2Normativereference The following normativedocumentcontainsprovisionswhich,th
18、roughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Forthisdatedreference,subsequentamendmentsto,orrevisions of, this publication do notapply.However,partiestoagreementsbasedonthisInternationalStandardareencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionofthen
19、ormativedocumen tindicatedbelow.Forundatedreferences, thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintainregistersof currentlyvalidInternationalStandards. ISO13880: 1) , PetroleumandnaturalgasindustriesDraftingandcontentofatechnicalspecification . 3Termsanddefinitions
20、ForthepurposesofthisInternationalStandard,thefollowingtermsanddefinitionsapply. 3.1 functionalspecification documentthatdescribesthefeatures,characteristics,processconditions,boundariesandexclusionsdefinin gthe performanceanduserequirementsoftheproduct,processorservice 3.2 technicalspecification doc
21、umentthatprescribestechnicalrequirementstobefulfilledbytheproduct , process or service in order to comply withthefunctionalspecification NOTE Atechnicalspecificationshouldindicate,wheneverappropriate,theprocedure(s)by meansofwhichit mightbe determinedwhethertherequirementsgivenarefulfilled. 1) Tobep
22、ublished.ISO13879:1999(E) 2 4Guidelinesfordrafting 4.1Objectiveofafunctionalspecification Theobjectiveofafunctionalspecificationistodefineverifiableprovisionsinordert oensuretheuser/purchaser obtainstheproduct,processorservicewiththerequiredperformance.Inordertoachievethis,thefunctional specificatio
23、nshould: beascompleteasnecessarywithinthelimitsspecifiedbythescope; beconsistentandaccurate; takeintoaccountthestateoftheart; becomprehensibletoqualifiedpersonswhohavenotparticipatedinitspreparation; takeintoaccountoperational , safetyandmaintenanceaspectsrelatedtothetotallifecycle. NOTE Therearesom
24、ecasesinwhichperformancerequirementsmayleadtocomplicatedtestingproceduresoflong duration.Inthesecases,specifyingbydescriptionmaybenecessary.See5.2ofISO/IECDirectivesPart2,1992. 4.2Formatofafunctionalspecification The functional specification should only containrequirementsthatcanbeverified.Uniformit
25、yofstructure,styleand terminology shouldbemaintainedwithineachfunctionalspecification,andwithinanyseriesofassociatedfunctional specifications.Thesameterminologyshouldbeusedthroughout,andsynonymsshouldbeavoided. Thetextofthefunctionalspecificationshouldfollowtherelevantguidelineso fexistingbasicInter
26、national Standards.See4.3ofISO/IECDirectivesPart3,1997 . Thisrelatesparticularlyto: standardizedterminology; principlesandmethodsofterminology; quantities,unitsandtheirsymbols; abbreviatedterms; bibliographicreferences; technicaldrawingsand/orserviceprocedures; graphicalsymbols. Inaddition,fortechni
27、calaspects,therelevantprovisionsofgeneralInternational,regionalandnationalstandards dealingwiththefollowingsubjectsshouldbeconsidered : environmentalconditionsandassociatedtests; typetestsorserviceproceduretrials; safety; regulatoryrequirements; statisticalmethods.ISO13879:1999(E) 3 5Framework,struc
28、tureandcontent 5.1Generalarrangement Thefollowingelementsshouldbepresentinafunctionalspecification: preliminaryelementsidentifyingthefunctionalspecification; normativeelementsspecifyingtherequirementsforcompliancewiththefunctionalspecification; supplementaryelementsthatprovideadditionalinformationto
29、assisttheunderstandingofthefunctional specification. ThesuggestedarrangementisindicatedinTable1. Table1Arrangementofelements Typeofelement Element Subclauseofthis InternationalStandard (ISO13879) Preliminary Titlepage Contents Foreword Introduction 5.2.1,5.3.1 5.2.2 5.2.3 5.2.4 Normative General Tit
30、le Scope NormativeReferences 5.3.1 5.3.2 5.3.3 Functional Termsanddefinitions Symbolsandabbreviatedterms Operatingenvironment Functionalrequirements Boundaries,limitsandexclusions Ergonomics Safetyandenvironment Specialfunctionalrequirements Documentation Normative annexes 5.4.1 5.4.2 5.4.3 5.4.4 5.
31、4.5 5.4.6 5.4.7 5.4.8 5.4.9 5.4.10 Supplementary Informativeannexes Operationalexperience 5.5.1 5.5.2 5.2Preliminaryelements 5.2.1Titlepage Thetitlepageshouldcontainthetitle(see5.3.1),anidentificationoftheinitiatingorganization,auniqueidentifier, issuedateandauthorization. 5.2.2Contents Thecontentss
32、houldcomprisealistoftheclausesandtheannexes.Alltheelementsshouldbegivenwit h their full titles.ISO13879:1999(E) 4 5.2.3Foreword Thisisanoptionalelementandmaycontainthefollowing: anindicationoftheorganizationwhichpreparedthefunctionalspecification; informationregardingtheapprovallevelofthefunctionals
33、pecification; astatementthatthefunctionalspecificationcancelsorreplacesotherdocumentsinwholeorinpart; astatementoranindicationofsignificantchangesfromanypreviouslysuppliedspecifications; astatementclarifyingwhichannexesarenormativeandwhichareinformative. 5.2.4Introduction Thisisanoptionalpreliminary
34、elementusedtogivespecificinformatio norcommentaryaboutthecontentsofthe functionalspecification.Itshallnotcontainrequirements. 5.3Generalnormativeelements 5.3.1Title Thewordingofthetitleshould beasconciseaspossibleandshould indicatethesubjectmatterofthefunctional specification,withoutgoingintounneces
35、sarydetail. Thetitleshouldbecomposedofseparateelements,eachasshortaspossible ,proceedingfromthegeneraltothe particular.Notmorethanthefollowingthreeelementsshould beused: a) anintroductoryelementindicatingthegeneralfieldtowhichthefunctionalspecificationbelongs; b) amainelementindicatingtheprincipalsu
36、bjecttreatedwithinthatgeneralfield; c) acomplementaryelementindicatingtheparticularaspectoftheprincipalsubjectorgivingdetails which distinguishthedocumentfromanyotherfunctionalspecificationsorotherpartsofthesamefunctional specification. 5.3.2Scope Thiselementshoulddefinethesubjectmatteroftheaspect(s
37、)coveredandindicateanylimitsofapplicability. 5.3.3Normativereferences Thisoptionalelementshallgivealistofthenormativedocumentstowhichreferenceismadeinthestandardin such a way as to make them indispensable fortheapplicationofthestandard.Fordatedreferences,eachshallbe givenwithitsyearofpublication,ori
38、nthecaseofenquiryor final drafts, witha dash together witha footnote “To be published”andfulltitle.Theyearofpublicationordashshallnotbegivenforundatedreferences . When an undated referenceistoallpartsofastandard,thepublicationnumbershallbefollowedbytheindicatio n “(all parts)” and the generaltitleof
39、theseriesofparts(i.e.theintroductoryandmainelements). Thelistshouldnotincludethefollowing: documentsthatarenotavailabletothemanufacturer/supplier; documentstowhichonlyinformativereferenceismade; documentswhichhavemerelyservedasreferencesinthepreparationofthefunctionalspecification.ISO13879:1999(E) 5
40、 5.4Functionalnormativeelements 5.4.1 Termsanddefinitions Thisisanoptionalelementgivingdefinitionsnecessaryforth e understanding of certain terms used in the functional specification.Thedefinitionsshouldbeintroducedbythefollowingwording: “Forthepurposeofthisfunctionalspecification,thefollowingdefini
41、tionsapply“. 5.4.2 Symbolsandabbreviatedterms Thisisanoptionalelementgivingalistofsymbolsandabbreviatedtermsnecessaryforth eunderstandingofthe functionalspecification. 5.4.3Operatingenvironment Thiselementshouldprovideallinformationknowntothespecifierabouttheenvironmentinwhichtheproduct, processorse
42、rviceoperates. 5.4.4Functionalrequirements Thiselementshould definetherequiredperformanceoftheproduct,processorservice. Theserequirementsshould include: allcharacteristicsandparametersrelevanttotheperformanceoftheproduct,process orservicecoveredby thefunctionalspecification,eitherexplicitlyorbyrefer
43、ence; therequiredlimitingvaluesofquantifiablecharacteristics; thedescriptionoftheprocessinorforwhichtheproduct,processorserviceisused; handling,storageandtransportation; criticalparametersand/oraspects,ifany; anypreservativerequirement(s); theproduct,processorserviceacceptancecriteria. Acleardistinc
44、tionshouldbemadebetweenrequirements(normative)andstatementsincludedonlyfor information orguidance(informative). Contractualrequirementsconcerningclaims,coveringofexpenses,etc.shouldnotbeincluded. NOTE Wherenecessary,descriptiverequirementsmaybespecified(see4.1). 5.4.5 Boundaries,limitsandexclusions Thiselementshouldimposelimitswithwhichtheproduct,processorserviceshouldcomply. Boundariesandlimitsmayincludespecificrequirementswhichcannotb
