湿化工熄灭系统的1998Edition标准英文.docx
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湿化工熄灭系统的1998Edition标准英文.docx
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湿化工熄灭系统的1998Edition标准英文
湿化工熄灭系统的1998Edition标准(英文)
WetChemicalExtinguishingSystems1998EditionCopyright©1998NFPA,AllRightsReservedThiseditionofNFPA17A,StandardforWetChemicalExtinguishingSystems,waspreparedbytheTechnicalCommitteeonDryandWetChemicalExtinguishingSystemsandactedonbytheNationalFireProtectionAssociation,Inc、,atitsFallMeetingheldNovember17-19,1997,inKansasCity,MO、ItwasissuedbytheStandardsCouncilonJanuary16,1998,withaneffectivedateofFebruary6,1998,andsupersedesallpreviouseditions、Changesotherthaneditorialareindicatedbyaverticalruleinthemarginofthepagesonwhichtheyappear、Theselinesareincludedasanaidtotheuserinidentifyingchangesfromthepreviousedition、ThiseditionofNFPA17AwasapprovedasanAmericanNationalStandardonMarch31,19
98、OriginandDevelopmentofNFPA17ATheDryChemicalExtinguishingSystemsCommitteewasactivatedin19
52、OnApril6,1983,theStandardsCouncilreceivedarequesttoassignthesubjectofwetchemicalextinguishingsystemstotheappropriatecommittee、Listedsystemshadbeenavailableforsometime、AftertheFoamCommitteedeclinedtherequest,theDryChemicalCommitteewasaskedtoassumeresponsibilityfortheproject、InMay1983,theDryChemicalExtinguishingSystemsCommitteevotedtoaccepttheassignmentandrequestedthattheStandardsCouncilexpandtheCommitteeScopetoincludethenewtopic、TheCommitteealsorequestedthatthenewdocumentbeidentifiedasNFPA17A,StandardforWetChemicalExtinguishingSystems、AsubcommitteemetinJune1983todevelopthetext、InNovember1984,theCouncilapprovedarequesttochangethenameoftheCommitteetotheCommitteeonDryandWetChemicalExtinguishingSystems、The1990editionwasapartialrevisionofthe1986edition、The1998editionofthisstandardhasbeenrevisedtoclarifytherequirementsforprotectionofunclosableopeningsandequipmentshutdown、TechnicalCommitteeonDryandWetChemicalExtinguishingSystemsEdward
D、Leedy,ChairIndustrialRiskInsurers,IL
[I]JohnH、Lawlor,SecretaryKeystoneFireProtectionCo、,PA
[IM]Rep、Nat’lAssn、ofFireEquipmentDistributorsPaulE、Buchhofer,BuildingInspectionUnderwriters,Inc、,PA
[E]WilliamM、Carey,UnderwritersLaboratoriesInc、,IL
[RT]JohnE、Cribben,MarylandCasualtyCo、,MD
[I]Rep、AmericanInsuranceServicesGroup,Inc、SamuelS、Dannaway,S、S、DannawayAssoc、Inc、,HI
[SE]JackK、Dick,HeiserInc、,NY
[M]AlanL、Hall,LossPreventionConsultants,Inc、,IL
[SE]ThomasJ、Hard,T、J、HardCos、,OH
[IM]EdwardJ、Kaminski,SchirmerEngrCorp、,IL
[SE]RobertKasiski,FactoryMutualResearchCorp、,MA
[I]JosephN、Knapp,McDonaldsCorp、,IL
[U]Rep、Nat’lRestaurantAssn、George
A、Krabbe,AutomaticSuppressionSystemsInc、,IL
[IM]Rep、FireSuppressionSystemsAssn、RolandJ、Land,RiskControlConsultants,LLC,NJ
[SE]MichaelP、McGreal,FiredyneEngr,PC,IL
[SE]J、R、Nerat,FireProtectionSpecialistInc、,MI
[SE]William
D、Shipley,AnsulInc、,WI
[M]Richard
A、Shiraishi,KemperNat’lInsuranceCos、,CA
[I]DesmondR、Todd,Levitt-SafetyLtd,Ontario,Canada
[M]Rep、FireEquipmentMfrs、Inst、ofCanadaWilliamVegso,WellsFargo/PyroTechnologiesInc、,NJ
[M]CraigVoelkert,AmerexCorp、,AL
[M]StevenE、Younis,ConceptualEngrGroup,Inc、,MD
[SE]AlternatesSalvatore
A、Chines,IndustrialRiskInsurers,CT
[I](Alt、toE、
D、Leedy)AnthonyW、Flacco,KemperNat’lInsuranceCos、,PA
[I](Alt、toR、
A、Shiraishi)Stephen
D、Healy,Kidde-Fenwal,MA
[M](VotingAlt、)WilliamKlingenmaier,AnsulInc、,WI
[M](AlttoW、
D、Shipley)NorbertW、Makowka,Nat’lAssn、ofFireEquipmentDistributors,IL
[IM](Alt、toJ、H、Lawlor)DaleTraub,AONRiskServices,Inc、,NY
[I](Alt、toR、J、Land)CharlesF、Willms,FireSuppressionSystemsAssn、,NC
[M](Alt、toG、
A、Krabbe)KennethW、Zastrow,UnderwritersLaboratoriesInc、,IL
[RT](Alt、toW、M、Carey)NonvotingWalterM、Haessler,DesertHotSprings,CA(MemberEmeritus)DavidR、Hague,NFPAStaffLiaisonThislistrepresentsthemembershipatthetimetheCommitteewasballotedonthetextofthisedition、Sincethattime,changesinthemembershipmayhaveoccurred、Akeytoclassificationsisfoundatthebackofthisdocument、NOTE:
MembershiponacommitteeshallnotinandofitselfconstituteanendorsementoftheAssociationoranydocumentdevelopedbythecommitteeonwhichthememberserves、CommitteeScope:
ThisCommitteeshallhaveprimaryresponsibilityfordocumentsonthedesign,installation,operation,testing,maintenance,anduseofdryandwetchemicalextinguishingsystemsforfireprotection、NFPA17StandardforWetChemicalExtinguishingSystems1998EditionNOTICE:
Anasterisk(*)
followingthenumberorletterdesignatingaparagraphindicatesthatexplanatorymaterialontheparagraphcanbefoundinAppendix
A、InformationonreferencedpublicationscanbefoundinChapter6andAppendix
B、Chapter1General1-1*Scope、1-
1、1Theprovisionsofthisstandardapplytothedesign,installation,operation,testing,andmaintenanceofpre-engineeredwetchemicalfireextinguishingsystemsthatdischargewetchemicalfromfixednozzlesandpipingbymeansofexpellantgas、Minimumrequirementsarespecifiedforrestaurant,commercial,andinstitutionalhoods,plenums,ducts,andassociatedcookingappliances、1-2Purpose、Thisstandardispreparedfortheuseandguidanceofthosechargedwiththepurchasing,designing,installing,testing,inspecting,approving,listing,operating,ormaintainingofpre-engineeredwetchemicalfireextinguishingsystemsinorderthatsuchequipmentwillfunctionasintendedthroughoutitslife、Nothinginthisstandardisintendedtopreventtheuseofnewmethodsordevices,providedsufficienttechnicaldataaresubmittedtotheauthorityhavingjurisdictiontodemonstratethatthenewmethodordeviceisequivalentinquality,effectiveness,durability,andsafetytothatprescribedbythisstandard、1-3*Qualifications、Onlypersonsproperlytrainedshallbeconsideredcompetenttodesign,install,andservicepre-engineeredwetchemicalsystems、1-4RetroactivityClause、Theprovisionsofthisdocumentareconsiderednecessarytoprovideareasonablelevelofprotectionfromlossoflifeandpropertyfromfire、Theyreflectsituationsandthestateoftheartatthetimethestandardwasissued、Unlessotherwisenoted,itisnotintendedthattheprovisionsofthisdocumentbeappliedtofacilities,equipment,structures,orinstallationsthatwereexistingorapprovedforconstructionorinstallationpriortotheeffectivedateofthisdocument、Exception:
Inthosecaseswhereitisdeterminedbytheauthorityhavingjurisdictionthattheexistingsituationinvolvesadistincthazardtolifeorproperty,applicableportionsofthisstandardshallapplytocontrolthedistincthazard(s)、1-5Definitions、Forthepurposeofclarification,thefollowinggeneraltermsusedwithspecialtechnicalmeaningsinthisstandardaredefined、Approved、*Acceptabletotheauthorityhavingjurisdiction、AuthorityHavingJurisdiction、*Theorganization,office,orindividualresponsibleforapprovingequipment,aninstallation,oraprocedure、AutomaticOperation、Operationthatdoesnotrequireanyhumanaction、AuxiliaryEquipment、Listedequipmentusedinconjunctionwiththewetchemicalsystems,forexample,toshutdownpower,fuel,orventilationtothehazardbeingprotectedortoinitiatesignalingdevices、BranchDuct、Theductworkthatcontainstheexhaustairfromasinglehoodorhazardarea、CommonDuct、Theductworkcontainingtheexhaustairfromtwoormorebranchducts、DischargeNozzle、Devicefromwhichthewetchemicalisdischargedtoprovideforsuppressionofafireinthedesignatedhazard、ExpellantGas、Themediumusedtodischargethewetchemicalsolutionfromitscontainer、Indicator、Adevicethatshowswhetheranextinguishingsystemisreadytooperateorhasalreadyoperated、Inspection、Inspectionisa“quickcheck”bythesystemownertogivereasonableassurancethattheextinguishingsystemisfullychargedandoperable、Thisisdonebyseeingthatthesystemisinplace,thatithasnotbeenactivatedortamperedwith,andthatthereisnoobviousphysicaldamageorconditiontopreventoperation、LiquidAgent、SeeWetChemical、Listed、*Equipment,materials,orservicesincludedinalistpublishedbyanorganizationthatisacceptabletotheauthorityhavingjurisdictionandconcernedwithevaluationofproductsorservices,thatmaintainsperiodicinspectionofproductionoflistedequipmentormaterialsorperiodicevaluationofservices,andwhoselistingstatesthateithertheequipment,material,orservicemeetsidentifiedstandardsorhasbeentestedandfoundsuitableforaspecifiedpurpose、Maintenance、Maintenanceisathoroughexaminationbyatrainedpersontogivemaximumassurancethattheextinguishingsystemwilloperateasintended、Itincludesathoroughexaminationofsystemandcomponentsandanynecessaryrepairorreplacementofsystemcomponents、ManualOperation、Operationofasystemrequiringhumanaction、Manufacturer"sListedInstallationandMaintenanceManual、Thepamphletreferencedaspartofthelistingofthewetchemicalextinguishingsystem、Itcontainsadescriptionofthehazardsthatcanbeprotectedaswellasthelimitationsofthewetchemicalextinguishingsystem、Thispamphletalsorequiresthatthewetchemicalextinguishingsystembedesigned,installed,inspected,maintained,andservicedinaccordancewiththisstandard、OperatingDevices、Mechanical,electrical,orpneumaticdevicesinvolvedintheoperationofasystemwhether“actuatingdevices”initiatingoperation(automaticdetectiondevicesorsystemsandmanualactuationdevicessuchasmanualpullsorstrike
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