技术状态管理(Configuration Management,配置管理)在核工业核电领域的应用简史

1、A Brief History of CM in the Nuclear Industry and the CMBGPresented By:Sam MeltonCMBG Steering CommitteeJune 2, 2008Shell Beach, CaliforniaA Brief History of CM in the Nuclear IndustryConfiguration Management in military and aerospace industry geared towards product conformance to facilitate interch

2、angeability of parts while still satisfying the overall design requirementsMIL-STD-973 (1992), ”Configuration Management” (later replaced by ANSI/EIA-649-1998)A Brief History of CM in the Nuclear IndustryDOE STD 1073-93 “Configuration Management” Applicable to DOE nuclear facilities in the operation

3、al phase.DOE-STD-1073 was updated in 2003A Brief History of CM in the Nuclear IndustryNuclear plants in mid 60s to early 80s typically designed by AEs under contract Final design documents typically turned over to the utility at the end of constructionLittle knowledge transfer of design info to util

4、ity engineering organization Utilities struggled to deal with long term design maintenance and related document upkeep A Brief History of CM in the Nuclear IndustryEarly indicators that the nuclear plant design basis knowledge was becoming disconnected from the physical plant IE Bulletin 79-14 uncov

5、ered calculation discrepanciesundocumented modifications document discrepancies as-built problems A Brief History of CM in the Nuclear IndustrySalem ATWS event (1983)Generic implications identified in NUREG-1000 and NRC Generic Letter 83-28 compliance with vendor recommendationspart and procurement

6、issuesvendor manual controlsIndustry initiatives by INPO, NUMARC and EPRI to provide guidance and consistency A Brief History of CM in the Nuclear IndustryDavis Besse Loss of Feedwater event (1985)Led to NRC Safety System Functional Inspections (SSFIs) and NUREG-1154 difficulties maintaining operati

7、onal readiness of safety systemslack of understanding design bases Voluntary design basis reconstitution, DBDs and self-evaluationNUREG-1397, NUMARC 90-012, INPO 87-006 and NUREG/CR-5147A Brief History of CM in the Nuclear IndustryBrowns Ferry (1985)Browns Ferry fire in Unit 1 (1975) led to changes

8、in NRC standards for Fire ProtectionAll three Browns Ferry units shut down voluntarily in March 1985 due to CM related problems - containment isolation testing (Unit 1), reactor water level instrumentation (Unit 2) Unit 1 restarted in May 2007A Brief History of CM in the Nuclear IndustryNRC speciali

9、zed SSFIs for safety systemsElectrical Systems (EDSFI) Service Water Systems (SWOPI)SECY-92-193: intent to issue generic letter to require utilities to address how they were dealing with the problems - withdrawnA Brief History of CM in the Nuclear IndustryNuclear Information and Records Management A

10、ssociation (NIRMA) CM Committee developed solution control of technical information by engineering and operations personnelmature records management and document control processPP02-1994 “Position Paper on Configuration Management Program” A Brief History of CM in the Nuclear IndustryFirst Nuclear C

11、M benchmarking conference hosted by PPL in Fall 1994 17 US utilities representedEach utility made presentation about their CM programNo motivational speechesNo sales promotions by service providersThe CMBG Idea GrowsSecond conference hosted byOntario Hydro in 1995Drafted plans for continuing organiz

12、ation - approved in 1996 Adopted name: Configuration Management Benchmarking GroupFormed Steering CommitteeWrote Mission Statement “forum for peer-level information sharing” Defined ground rules for holding future conferencesCMBG is not affiliated with any other single organizationIndependent of reg

13、ulatory and oversight agenciesConference costs are paid by registration fees and supplemented by host utilityHost utility pays for web siteActivities limited to information exchangeCMBG accomplishmentsAnnual ConferencesParticipation in development of industry documentsWeb Site ()CMBG historyConferen

14、ces (future conferences and proceedings from previous conferences)Steering CommitteeIAEA ActivitiesCM LinksPapers and publicationsContact DatabaseCMBG ConferencesYearHostLocation1994PP&LPoconos, PA1995Ontario HydroOntario, Canada1996Houston Lighting & PowerGalveston, TX1997Commonwealth EdisonChicago

15、, IL1998NAESCOBoston, MA1999Duke PowerCharlotte, NC2000Consolidated EdisonTarrytown, NY2001Progress EnergyRaleigh, NC2002PSEG NuclearAtlantic City, NJ2003PPL SusquehannaHershey, PA2004Wolf Creek NuclearKansas City, KS2005First EnergyCleveland, OH2006DominionRichmond, VA2007SCE&GCharleston, SC2008Pac

16、ific Gas and ElectricShell Beach, CAA Brief History of CM in the Nuclear IndustryNIRMA TG19-1996“ Configuration Management of Nuclear Facilities”Built on the NIRMA PP-02 documentPresented elements and attributes that facilities needed to establish of a good CM program.Later became basis for ANSI/NIR

17、MA CM-1.0-2000CriteriaProgram management Design requirements Information Control Change controlAssessmentTraining A Brief History of CM in the Nuclear IndustryMillstone Spent Fuel Pool Cooling (1996)NRC had lost confidence in utilitys ability to know and maintain its design basis and to implement de

18、sign and licensing requirements10CFR50.54(f) letter in October 1996 to all licensees that required a response on how design basis information was controlled and maintained. More far-reaching implications than letter that NRC was persuaded not to issue in 1993 A Brief History of CM in the Nuclear Ind

19、ustryMillstone Spent Fuel Pool Cooling (1996)10CFR50.54(f) letter helped to solidify CMBG as a viable resource for the industry and demonstrated how the CMBG network could be used to find and distribute valuable CM information between utilities, including good practices and lessons learned A Brief H

20、istory of CM in the Nuclear Industry DC Cook Design issues (1997)Extended shutdown due to inability to respond to design basis event and other configuration issuesContributed to INPO decision to modify the evaluation performance objectives and criteria to include configuration management and to the

21、formation of a new CM evaluation department. A Brief History of CM in the Nuclear IndustryINPO AP-929 (1998) “Configuration Control Process Description”Focused on changes to plant configurationCMBG Contributions to Industry CM Guidance DocumentsANS/NIRMA CM-1.0 -2000“ Configuration Management of Nuc

22、lear Facilities”Based on NIRMA TG-19CMBG members participated in development, review and issuance. Drafts reviewed at CMBG conferencesCriteriaProgram management Design requirements Information Control Change controlAssessmentTraining CMBG Contributions to Industry CM Guidance DocumentsIAEA TECDOC-13

23、35 (2003)Configuration Management in Nuclear Power Plants“Contained elements of INPO AP-929and ANSI/NIRMA CM-1.0 CriteriaProgram management Design requirements Information Control Change controlAssessmentTraining CMBG Contributions to Industry CM Guidance Documents2002 CMBG Conference - initiative t

24、o reach agreement between INPO and NEI documentsNEI CM Community of Practice (2002)CM Process and PIs included in NEI Standard Nuclear Performance Model (2003)A Brief History of CM in the Nuclear IndustryINPO - Margin Management (2003)INPO reorganization emphasized, “Evaluating Configuration and Mar

25、gin Management”Greater than design basis rangeOperating Point LimitNormal Operating PointDesign or Tech Spec Basis LimitFunctional/Design FailureAllowed operating rangeAnalyzed transient rangeOperating marginDesign margin( Design allows operation in the transient range. However operating restriction

26、s consistent with the design, such as the magnitude and frequency of excursions into this range apply)( The allowed operating range provides the normal margins operators use without violating setpoints )( This is a prohibited range of operation and represents the additional conservative margin to ac

27、count for uncertainties in design and construction )A Brief History of CM in the Nuclear IndustryINPO 03-04 (November 2003)“Performance Objectives and Criteria”Configuration ManagementCM.1Maintaining Margins Consistent with Design RequirementsCM.2Operational Configuration ControlCM.3Design Change ProcessesCM.4Conduct of EngineeringCM.5Reactor Engineering and Fuel ManagementA Brief History of CM in the Nuclear IndustryINPO 05-03 (May 2005)“Performance Objecti