NFPA 804-2015 Standard for Fire Protection for Advanced Light Water Reactor Electric Generating Plants (Effective Date 12 01 2014).pdf

1、NFPA 804 Standard for Fire Protection for Advanced Light Water Reactor Electric Generating Plants 2015 Edition NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471, USA An International Codes and Standards Organization 1/14ISBN: 978-145591056-4 (Print)ISBN: 978-145591102-8 (PDF)IMPORTANT NOTICES AND DIS

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29、a.org. All NFPA codes and standards can be viewed at no cost at www.nfpa.org/freeaccess.Copyright 2014 National Fire Protection Association. All Rights Reserved.NFPA804Standard forFire Protection for Advanced Light Water Reactor ElectricGenerating Plants2015 EditionThis edition of NFPA 804, Standard

30、 for Fire Protection for Advanced Light Water Reactor ElectricGenerating Plants, was prepared by the Technical Committee on Fire Protection for NuclearFacilities. It was issued by the Standards Council on November 11, 2014, with an effective dateof December 1, 2014, and supersedes all previous editi

31、ons.This edition of NFPA 804 was approved as an American National Standard on December 1,2014.Origin and Development of NFPA 804The need for fire protection in nuclear power facilities has been demonstrated in a num-ber of incidents, including the Browns Ferry Fire in 1975 and other more recent inci

32、dents inthe United States and abroad. Probabilistic risk assessments of existing plants have shown thatfire represents one of the largest single contributors to the possibility of reactor damage. Thisdocument, first released in 1995, represents a comprehensive consensus of baseline fire pro-tection

33、requirements for all aspects of advanced light water reactor electric generating plants,including their design, construction, operation, and maintenance.There were no technical changes made in the 2001 edition. All the changes were in thedefinitions section to comply with the NFPA Glossary of Terms.

34、The 2006 edition was reorganized to conform to the Manual of Style for NFPA TechnicalCommittee Documents.For the 2010 edition, the document scope was revised in order to coordinate with therelease of and option to use a new risk-informed option for atomic power plants underNFPA 806, Performance-Base

35、d Standard for Fire Protection for Advanced Nuclear Reactor Electric Gen-erating Plants Change Process. The 2010 edition was also harmonized with other documents inthe field, and a new Annex B was added for best practice guidance for defense against firesand explosions.The 2015 edition of the docume

36、nt has been updated to remove references to NFPA 251,which has been withdrawn. Changes also have been made to include from NFPA 101 andNFPA 1144 the definition and requirements pertaining to combustible, noncombustible, andlimited combustible materials.8041NFPA and National Fire Protection Associati

37、on are registered trademarks of the National Fire Protection Association, Quincy, Massachusetts 02169.Technical Committee on Fire Protection for Nuclear FacilitiesWilliam B. Till, Jr., ChairSavannah River Nuclear Solutions, LLC, SC UIvan Bolliger, Canadian Nuclear Safety Commission,Canada EJames Bou

38、che, F. E. Moran, Inc., IL MRep. National Fire Sprinkler AssociationCraig P. Christenson, U.S. Department of Energy, WA EStanford E. Davis, PPL Susquehanna LLC, PA URichard L. Dible, AREVA NP, Inc., TX MEdgar G. Dressler, The Villages, FL IRep. American Nuclear InsurersDavid R. Estrela, Orr Protecti

39、on Systems, Inc., MA IMNeal T. Hara, CH2M Hill Plateau Remediation Company,WA UDaniel J. Hubert, Janus Fire Systems, IN IMSteven W. Joseph, Xtralis, Inc., OR MRobert Kalantari, EPM, Incorporated, MA SEElizabeth A. Kleinsorg, Kleinsorg Group Risk Services,LLC, NC SENeal W. Krantz, Sr., Krantz Systems

40、 detecting fires quickly and sup-pressing those fires that occur, thereby limiting damage; anddesigning a nuclear power plant to limit the loss of life, prop-erty, and environment to fire and to ensure continuity ofnuclear power plant operation and safe shutdown capability.3.3.9* Fire Area. The aggr

41、egate gross floor area containedwithin fire walls, fire barriers, or exterior walls of a building.5000, 20153.3.10* Fire Area Subdivision. A portion of a fire area that isseparated from the remainder of the fire area by substantivebarriers, which are not necessarily fire rated; by physical fea-tures

42、 such as pipe tunnels; by spatial separation.3.3.11 Fire Barrier. A continuous membrane or a membranewith discontinuities created by protected openings with aspecified fire protection rating, where such membrane is de-signed and constructed with a specified fire resistance ratingto limit the spread

43、 of fire, that also restricts the movement ofsmoke. 101, 20153.3.12 Fire Door. A door assembly rated in accordance withNFPA 252 and installed in accordance with NFPA 80.3.3.13 FireHazardsAnalysis (FHA). An analysis to evaluate po-tential fire hazards and appropriate fire protection systems andfeatur

44、es to mitigate the effects of fire in any plant location.3.3.14 Fire Prevention. Measures directed toward avoidingthe inception of fire.3.3.15 Fire Protection. Methods of providing for fire controlor fire extinguishment. 801, 20143.3.16 Fire Protection Manager. The person directly respon-sible for t

45、he fire prevention and fire protection program at theplant.3.3.17 Fire-Rated Cables. Cables with an hourly fire resistancerating based on maintaining functionality when tested in accor-dance with UL 2196, Standard for Tests of Fire Resistive Cables.3.3.18 Fire-Rated Internal Conduit Seal. A conduit

46、seal that isa tested and approved hourly rated fire seal in accordancewith ASTM E 814, Fire Tests of Through-Penetration Fire Stops.3.3.19 Fire-Rated Penetration Seal. An assembly provided in afire barrier opening for the passage of pipes, cable trays, and soforth, to maintain the fire resistance ra

47、ting of the fire barrier.3.3.20*FireResistanceRating. The time, in minutes or hours,that materials or assemblies have withstood a fire exposure asestablished in accordance with an approved test procedure8047DEFINITIONS2015 Editionappropriate for the structure, building, or component underconsiderati

48、on. 801, 2014.3.3.21 Fire-SafeShutdown(FSSD). Actions, components, capa-bilities, and design features necessary to achieve and maintainsafe shutdown of the reactor after a fire in a specific fire area.3.3.22* Fire-Safe Shutdown Component. Component(nuclear safety related and nonsafety related), equi

49、pment,instrument-sensing line, or cable, including associated circuitsof concern, that is required to safely shut down a nuclear plantin the event of fire.3.3.23*FirstBreak. The first place in a conduit run where theinterior of the conduit is accessible to install a seal.3.3.24 FlameSpreadIndex. A comparative measure, expressedas a dimensionless number, derived from visual measurements ofthe spread of flame versus time for a material tested in accor-dance with ASTM E 84, Standard Test Method for Surface BurningCharacteristicsofBuildingMaterial