NFPA 851-2010 Recommended Practice for Fire Protection for Hydroelectric Generating Plants (Effective Date 12 5 2009).pdf

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1、NFPA 851 Recommended Practice for Fire Protection for Hydroelectric Generating Plants 2010 Edition NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471 An International Codes and Standards Organization NOTICE AND DISCLAIMER OF LIABILITY CONCERNING THE USE OF NFPA DOCUMENTS NFPAcodes, standards, recommen

2、ded practices, and guides (“NFPA Documents”), of which the document contained herein is one, are developed through a consensus standards development process approved by the American National Standards Institute. This process brings together volunteers representing varied viewpoints and interests to

3、achieve consensus on fire and other safety issues. While the NFPA administers the process and establishes rules to promote fairness in the development of consensus, it does not independently test, evaluate, or verify the accuracy of any information or the soundness of any judgments contained in NFPA

4、 Documents. The NFPA disclaims liability for any personal injury, property or other damages of any nature whatsoever, whether special, indirect, consequential or compensatory, directly or indirectly resulting from the publication, use of, or reliance on NFPA Documents. The NFPA also makes no guarant

5、y or warranty as to the accuracy or completeness of any information published herein. In issuing and making NFPA Documents available, the NFPA is not undertaking to render professional or other services for or on behalf of any person or entity. Nor is the NFPA undertaking to perform any duty owed by

6、 any person or entity to someone else. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. The NFPA has no power, nor does it undertake

7、, to police or enforce compliance with the contents of NFPA Documents. Nor does the NFPA list, certify, test, or inspect products, designs, or installations for compliance with this document. Any certification or other statement of compliance with the requirements of this document shall not be attri

8、butable to the NFPA and is solely the responsibility of the certifier or maker of the statement. ISBN: 978-087765944-0 (Print) ISBN: 978-087765992-1 (PDF) 12/09IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA DOCUMENTS IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA DOCUMENTS ADDITIONAL NOTICES A

9、ND DISCLAIMERS Updating of NFPA Documents Users of NFPA codes, standards, recommended practices, and guides (“NFPA Documents”) should be aware that these documents may be superseded at any time by the issuance of new editions or may be amended from time to time through the issuance of Tentative Inte

10、rim Amendments. An official NFPA Document at any point in time consists of the current edition of the document together with any Tentative Interim Amendments and any Errata then in effect. In order to determine whether a given document is the current edition and whether it has been amended through t

11、he issuance of Tentative Interim Amendments or corrected through the issuance of Errata, consult appropriate NFPA publications such as the National Fire Codes Subscription Service, visit the NFPA website at www.nfpa.org, or contact the NFPA at the address listed below. Interpretations of NFPA Docume

12、nts A statement, written or oral, that is not processed in accordance with Section 6 of the Regulations Governing Committee Projects shall not be considered the official position of NFPA or any of its Committees and shall not be considered to be, nor be relied upon as, a Formal Interpretation. Paten

13、ts The NFPA does not take any position with respect to the validity of any patent rights referenced in, related to, or asserted in connection with an NFPA Document. The users of NFPA Documents bear the sole responsibility for determining the validity of any such patent rights, as well as the risk of

14、 infringement of such rights, and the NFPA disclaims liability for the infringement of any patent resulting from the use of or reliance on NFPA Documents. NFPA adheres to the policy of the American National Standards Institute (ANSI) regarding the inclusion of patents in American National Standards

15、(“the ANSI Patent Policy”), and hereby gives the following notice pursuant to that policy: NOTICE: The users attention is called to the possibility that compliance with an NFPA Document may require use of an invention covered by patent rights. NFPA takes no position as to the validity of any such pa

16、tent rights or as to whether such patent rights constitute or include essential patent claims under the ANSI Patent Policy. If, in connection with the ANSI Patent Policy, a patent holder has filed a statement of willingness to grant licenses under these rights on reasonable and nondiscriminatory ter

17、ms and conditions to applicants desiring to obtain such a license, copies of such filed statements can be obtained, on request, from NFPA. For further information, contact the NFPA at the address listed below. Law and Regulations Users of NFPA Documents should consult applicable federal, state, and

18、local laws and regulations. NFPA does not, by the publication of its codes, standards, recommended practices, and guides, intend to urge action that is not in compliance with applicable laws, and these documents may not be construed as doing so. Copyrights NFPA Documents are copyrighted by the NFPA.

19、 They are made available for a wide variety of both public and private uses. These include both use, by reference, in laws and regulations, and use in private self-regulation, standardization, and the promotion of safe practices and methods. By making these documents available for use and adoption b

20、y public authorities and private users, the NFPA does not waive any rights in copyright to these documents. Use of NFPA Documents for regulatory purposes should be accomplished through adoption by reference. The term “adoption by reference” means the citing of title, edition, and publishing informat

21、ion only. Any deletions, additions, and changes desired by the adopting authority should be noted separately in the adopting instrument. In order to assist NFPA in following the uses made of its documents, adopting authorities are requested to notify the NFPA (Attention: Secretary, Standards Council

22、) in writing of such use. For technical assistance and questions concerning adoption of NFPA Documents, contact NFPA at the address below. For Further Information All questions or other communications relating to NFPA Documents and all requests for information on NFPA procedures governing its codes

23、and standards development process, including information on the procedures for requesting Formal Interpretations, for proposing Tentative Interim Amendments, and for proposing revisions to NFPA documents during regular revision cycles, should be sent to NFPA headquarters, addressed to the attention

24、of the Secretary, Standards Council, NFPA, 1 Batterymarch Park, P.O. Box 9101, Quincy, MA 02169-7471; email: stds_adminnfpa.org For more information about NFPA, visit the NFPA website at www.nfpa.org. 12/09Copyright 2009 National Fire Protection Association. All Rights Reserved.NFPA851Recommended Pr

25、actice forFire Protection for Hydroelectric Generating Plants2010 EditionThis edition of NFPA 851, Recommended Practice for Fire Protection for Hydroelectric GeneratingPlants, was prepared by the Technical Committee on Electric Generating Plants. It was issuedby the Standards Council on October 27,

26、2009, with an effective date of December 5, 2009,and supersedes all previous editions.This edition of NFPA 851 was approved as an American National Standard on December 5,2009.Origin and Development of NFPA 851The Committee on Non-Nuclear Power Generating Plants was organized in 1979 to haveprimary

27、responsibility for documents on fire protection for non-nuclear electric generatingplants. The Hydroelectric Subcommittee was formed in 1982 to write this document. The firstedition of NFPA 851 was issued in 1987 and revised in 1992. The 1996 edition containedminor changes to clarify the life safety

28、 recommendations and generator windings protection.The 2000 edition editorially revised Chapter 2 to be consistent with NFPA 850, RecommendedPractice for Fire Protection of Electric Generating Plants and High Voltage Direct Current ConverterStations. In addition, the document was revised to clarify

29、the requirements for fire suppressionsystems for generator windings of different composition.The 2005 edition of NFPA 851 was restructured to conform to the requirements of theManual of Style for NFPA Technical Committee Documents. There were changes made to clarifyexisting recommendations under 5.2

30、.2.3 and 5.2.2.4 using new artwork. Other changes in-cluded coordination of similar recommendations from NFPA 850, Recommended Practice forFireProtection for Electric Generating Plants and High Voltage Direct Current Converter Stations.The 2010 edition of NFPA 851 now includes a chapter containing r

31、ecommendations for afire protection design process and a fire protection design basis document (new Chapter 4).An annex has been added showing an example of a Fire Protection Design Basis document.The chapter on Fire Risk Control Program has been moved to a new Chapter 9.The use of compressed air fo

32、am systems and fast-depressurization systems has been recog-nized, and recommendations for the use of these systems are now included.8511NFPA and National Fire Protection Association are registered trademarks of the National Fire Protection Association, Quincy, Massachusetts 02169.Technical Committe

33、e on Electric Generating PlantsWilliam D. Snell, ChairTXU Power, TX UDon Drewry, SecretaryHSB Professional Loss Control, NJ ISteven M. Behrens, XL Global Asset Protection Services,CT IDaryl C. Bessa, F. E. Moran, Inc., IL IMDonald C. Birchler, FP and (b)materials, in the form and thickness used, oth

34、er than as de-scribed in (a), having neither a flame spread index greater than25 nor evidence of continued progressive combustion and ofsuch composition that surfaces that would be exposed by cuttingthrough the material on any plane would have neither a flamespread index greater than 25 nor evidence

35、 of continued progres-sive combustion. (Materials subject to increase in combustibilityor flame spread index beyond the limits herein establishedthrough the effects of age, moisture, or other atmospheric condi-tion shall be considered combustible.) 33, 20073.3.16 Liquid.3.3.16.1 Combustible Liquid.

36、Any liquid that has a closed-cup flash point at or above 37.8C (100F). 306, 20093.3.16.2 Flammable Liquid. A liquid that has a closed-cupflash point below 37.8C (100F) and a maximum vapor pres-sure of 2068 mm Hg (40 psia) at 37.8C (100F). 30B, 20073.3.16.3 High Fire Point Liquid. A combustible diele

37、ctricliquid listed as having a fire point of not less than 572F(300C). 850, 20103.3.16.4 Less Flammable Liquid. A combustible dielectricliquid listed as having a fire point of not less than 572F(300C).3.3.17 Noncombustible. Not capable of igniting and burningwhen subjected to a fire.3.3.18 Nonflamma

38、ble Fluid. A nonflammable dielectric fluidthat does not have a flash point and is not flammable in air.3.3.19 Stakeholder. An individual, group of individuals, or anorganization that is perceived to affect or be affected by thefire hazards associated with the facility being evaluated. Stake-holders

39、include all those who have a financial, personnelsafety, public safety, or regulatory interest in the fire risk, suchas the public (e.g., neighbors, community groups, first re-sponders), employees, owner/investor(s), operator, insurer,regulator(s), and design team.Chapter 4 Fire Protection Design Pr

40、ocess4.1 General.4.1.1 The fire protection design process should be initiatedunder the direction of someone experienced in the area offire protection engineering and having extensive knowledgeand experience in power plant operation of the type of plantunder consideration.4.1.2 The creation of the fi

41、re protection design basis shouldbe initiated as early in the plant design process as practical toensure that the fire prevention and fire protection recommen-dations as described in this document have been evaluated inview of the plant-specific consideration regarding design, lay-out, and anticipat

42、ed operating requirements.4.1.3 Applicable process safety management (PSM) tech-niques should be considered.4.1.4 The purpose of the fire protection design basis docu-ment (DBD) is to provide a record of the decision-makingprocess in determining the fire prevention and fire protectionfor specific ha

43、zards.4.1.5 The DBD should be a living document that evolves asthe plant design is refined and that will be maintained andrevised for the life of the plant.4.2 Stakeholders.4.2.1 The stakeholders with an interest in the scope and ap-plicability of the fire protection design should be identifiedearly

44、 in the process.4.2.2 The stakeholders establish goals and objectives and evalu-ate whether or not the recommendations of NFPA 851 are ad-equate to meet those goals and objectives. The criteria for accept-ability of the level of fire protection should consider theperspective of the various stakehold

45、ers.4.3 Inputs to the Design Process.4.3.1 GeneralInputs. In addition to the guidelines in this docu-ment, the following list should be reviewed for applicability:(1) Codes(a) Building codes state and local(b) Fire codes state and local8517FIRE PROTECTION DESIGN PROCESS2010 Edition(2) Standards(a) I

46、ndustry standards(b) Utility company standards(c) Insurance requirements(d) Applicable NFPA documents (See Chapter 2.)(3) Regulations(a) Environmental(b) OSHA(4) Other references(a) SFPE Handbook of Fire Protection Engineering and SFPEjournals(b) SFPE Engineering Guide to Fire RiskAssessment (Chapte

47、rs14 and 15)(c) Best practices: EEI, EPRI, IEEE(d) NFPA Fire Protection Handbook(e) NFPA 805, Performance-Based Standard for Fire Protectionfor Light Water Reactor Electric Generating Plants(Performance-Based Criteria in Chapter 4)(5) Design documents(6) Stakeholder inputs4.3.2 Project-Specific Inpu

48、ts. Each facility will have its ownspecial conditions that will have an impact on the nature ofthe installation. Many of the specific criteria herein might re-quire modification due to the consideration of all project-specific factors involved. The project-specific inputs utilized inthe design basis

49、 process include but are not limited to thefollowing:(1) Base load/peaking unit(2) Personnel levels(a) Unattended(b) Low level of occupancy(c) High level of occupancy(3) Plant layout and geographic location(4) Dam structural stability(5) Equipment availability/redundancy(6) Capability of emergency responders(7) Storage configuration (short term and long term)(8) Historical loss information/lessons learned/fire reports(See Annex B.)4.4 Fire Protection Design Basis Process. See Figure 4.4 for a

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