EN 14972-5 2024.docx

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1、EN14972-5November2024EuropeanstandardNormeeuropeenneEuropaischenormICS13.220.20EnglishVersionFixedfirefightingsystems-Watermistsystems-Part5:TestprotocolforcargaragesforautomaticnozzlesystemsInstallationsfixesdeIuttecontreFincendie-Systemesabrouillardd,eau-Partie5:Protocoledessaidessystemesabusesaut

2、omatiquespourparesdeStationnementOrtsfesteBrandbekampfungsanlagen-Wassernebelsysteme-Teil5:PrufprotokollfiirKfz-GaragenfiirautomatischeDiisensystemeThisEuropeanStandardwasapprovedbyCENon2September2024.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgiving

3、thisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioni

4、nanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany

5、Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefu

6、rnormungCEN-CENELECManagementCentre:RuedelaScience23,B-1040BrusselsRef.No.EN14972-5:2024E2024CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.ContentsPageEuropeanforeword31 Scope52 Normativereferences53 Termsanddefinitions54 Generalrequirements55 Carparkgaragesf

7、uelpackage65.1 General65.2 Vehicles75.3 Conditioningofthefuelload76 Referencesprinklerrequirements156.1 General156.2 Referencesprinklertests157 Watermistsystemtestsrequirements158 Testequipmentrequirements169 Instrumentationrequirements169.1 General169.2 Temperature179.3 Pressure179.4 Time1710 Testi

8、ngcriteria1710.1 General1710.2 Firetests1710.3 Evaluationoftestresults1811 Testreport20EuropeanforewordThisdocument(EN14972-5:2024)hasbeenpreparedbyTechnicalCommitteeCEN/TC191nFixedfirefightingsystems,thesecretariatofwhichisheldbyBSLThisEuropeanStandardshallbegiventhestatusofanationalstandard,either

9、bypublicationofanidenticaltextorbyendorsement,atthelatestbyMay2025,andconflictingnationalstandardsshallbewithdrawnatthelatestbyMay2025.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.E

10、N14972,FixedfirefightingsystemsWatermistsystems,consistsofthefollowingparts: Parti:Design,installation,inspectionandmaintenance; Part2:Testprotocolforshoppingareasforautomaticnozzlesystems; Part3:Testprotocolforoffice,schoolclassroomsandhotelforautomaticnozzlesystems; Part4:Testprotocolfornon-storag

11、eoccupanciesforautomaticnozzlesystems; Part5:Testprotocolforcargaragesforautomaticnozzlesystems; Part6:Testprotocolforfalsefloorsandfalseceilingsforautomaticnozzlesystems; Part7:Testprotocolforcommerciallowhazardoccupanciesforautomaticnozzlesystems; Part8:Testprotocolformachineryinenclosuresexceedin

12、g260m3foropennozzlesystems; Part9:Testprotocolformachineryinenclosuresnotexceeding260m3foropennozzlesystems; Part10:Testprotocolforatriumprotectionwithsidewallnozzlesforopennozzlesystems; Partll:Testprotocolforcabletunnelsforopennozzlesystems; Part12:Testprotocolforcommercialdeepfatcookingfryersforo

13、pennozzlesystems; Part13:Testprotocolforwetbenchesandothersimilarprocessingequipmentforopennozzlesystems; Part14:Testprotocolforcombustionturbinesinenclosuresexceeding260m3foropennozzlesystems; Part15:Testprotocolforcombustionturbinesinenclosuresnotexceeding260m3foropennozzlesystems; Part16:Testprot

14、ocolforindustrialoilcookersforopennozzlesystems Part17:Testprotocolforresidentialoccupanciesforautomaticnozzlesystems.NOTEThislistincludesstandardsthatareinpreparationandotherstandardsmightbeadded.Forcurrentstatusofpublishedstandardsrefertowww.cencenelec.eu.Anyfeedbackandquestionsonthisdocumentshoul

15、dbedirectedtotheusersnationalstandardsbody.AcompletelistingofthesebodiescanbefoundontheCENwebsite.AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganisationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark

16、Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandtheUnitedKingdom.1 ScopeThisdocumentspecifiestheevaluationofthefirep

17、erformanceofwatermistsystemsfornon-stackinggarages,fullyenclosedgaragesandundergroundgarages.Thisdocumentisapplicableforhorizontal,solid,flatceilingswithheightsof2mandabove.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsoft

18、hisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.EN12259-1,FixedfirefightingsystemsComponentsforsprinklerandwaterspraysystemsParti:SprinklersENI2845,FixedfirefightingsystemsAutomaticsprinklersystemsD

19、esign,installationandmaintenanceEN14972-1,FixedfirefightingsystemsWatermistsystemsPart1:Design,installation,inspectionandmaintenanceENISO/IEC17025:2017,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories3 TermsanddefinitionsForthepurposesofthisdocumentthetermsanddefinitionsgivenin

20、EN14972-1andthefollowingapply.ISOandIECmaintainterminologydatabasesforuseinstandardizationatthefollowingaddresses:一ISOOnlinebrowsingplatform:availableathttps:WWW.iso.org/obp一IECElectropedia:availableathttps:WWW.olectropedia.org/3.1carparkgarageenclosedareaintendedforcarparkwithhorizontal,solid,flatc

21、eilingswithheightsof2mandaboveNote1toentry:Automatic,stackingornon-fullyenclosedarenotcoveredbythisdefinition.4 Generalrequirements4.1 Thewatermistsystem,operatingwithoutmanualintervention,shallsuccessfullycompletealldescribedperformancefiretestsfortheirspecificapplications.4.2 Thewaterflowshalllast

22、for30min.Anyremainingfireshallbemanuallyextinguishedandthefiredamagesshallberecorded.4.3 Systemcomponents,componentlocations,operatingconditionsandtestenclosuredetailsshallremainunalteredthroughoutallofthefiretestsforagivenapplication.4.4 Allfiretestsshouldbeconductedusingthemanufacturerinstructions

23、inregardtonozzleplacementsprayflux,andsprayduration.Spraysshallbecontinuous.4.5 Thetestprotocolisonlyapplicabletoceilingmountedpendentanduprightautomaticnozzles.4.6 Thenozzlesshallbelocatedinaccordancewiththemanufacturersinstructions.4.7 Automaticnozzlethermalsensitivityshallbespecialorstandardrespo

24、nseasspecifiedinEN12259-1,4.8 Thewatersupplyshallbecapableofsupplyingaflowrateandpressureaccordingtothespecificrequirements,whicharebasedontheactuallayoutofthepipeworkinstallation.5 Carparkgaragesfuelpackage5.1 GeneralArelativelyrealisticcarparkinggaragesfuelpackageisemployedinthetest.Asthefuelpacka

25、geisrathercomplex,thereferencetestingwithaprescribedsprinklersystemservesalsotoindicatethebaselineperformanceateachdifferenttestfacilityandset-up.However,withinonetestseries,thesetofcars(selectionofcar1,car2,andcar3)shallbeasidenticalaspracticablypossibleforeachtest(i.e.make,type,numberofdoors),alth

26、oughcar1,car2,andcar3maydifferfromeachother.Thetestassemblytobeprovidedforthetestsshallcomplywiththefollowingspecificationsandfigures.Thetestscenarioisbasedonacarparkgarage,inwhichthreevehiclesarepositionedasfireloads.Figure1showsthetestassemblyinaccordancewiththerequirementsspecifiedinthisclause.Th

27、ecarstobeprovidedfortestingshallhavenormalhumidityasisachievedbyindoorstorageat(205).DimensionsinmetresKey1car1(Target)2car23car3(Target)4firepansprinklerlayout:belowasprinkler/automaticnozzlesprinklerlayout:between4sprinklers/automaticnozzlesFigure1Assemblyoffireloadsandpositionofignitionsource(sid

28、eview)5.2VehiclesThreevehiclesofthesametypeofconstructionshallbeprovidedforthetestassembly.Itisnecessarytousecomparablevehiclesinalltests.Especiallythefollowingpartsofthevehiclesusedinthetestsshallbecomparable:一vehicledimensionandtypeofconstruction(notchbacks,hatchback,estate);positionofexteriorplas

29、ticparts(exteriormirrors,decorativetrimmingelements);一indicatorsonthesidesunderneaththeexteriormirrors;一bumpers(material;coated/notcoated);fixedroofwithoutopenings(e.g.sunroof;一sparewheelintheboot;一upholsteryandfloormatsontheinsideofthepassengercompartment.Thevehiclesprovidedshallbecompleteandundama

30、ged.Forsafetyreasons,allvehiclesusedinthetestshallbepreparedasfollowspriortotesting:一alloperatingfluids,suchaspetrolorbrakefluids,shallbedischarged;一thecapofthepetroltankshallberemoved;一thegas-filledshockabsorbersinthebootlidshallberemoved;一airbags(whereapplicable)shallberemoved;一alltyresshallbedepr

31、essurised(removevalve)andthevehiclesshallbesupportedinordertoensurethatthedistancebetweenthevehicleandthetopofthefloorremainsthesameduringtesting.5.3ConditioningofthefuelloadIgnitionsourceshallbeafirepan,whichshallbepositionedundercar2inaccordancetoFigure2.Thefirepanshallfulfilthefollowingrequiremen

32、ts:一position:centrally(longitudinalandtransverseaxis)undercar2withthelongersideofthe(combined)panalignedwiththelengthofthecar;material:steel;一dimensions:-1pan:600mm1800mm100mm(regular);一2pans:600mm900mm100mm(alternative);一totalamountoffuel:141heptane+141water.centresprinklerUlscenariolongitudinalaxi

33、stransverseaxiscentredundercentresprinklerUlKey1 car152 car263 car374 firepanaFigure 2 Assemblyoffireloadsandpositionofignitionsource(topview)Figures2to8exemplifythetestlayoutwithaminimumceilingareaof(1111)m.DimensionsinmetresKey0sprinkler率thermocoupleFigure 3 Under1(Ul)layoutofthesprinklers/automat

34、icnozzlesandtheignitionsourcefor2,0mand2,5mspacingQsprinkler率thermocoupleFigure4Between4(B4)layoutofthesprinklers/automaticnozzlesandtheignitionsourcefor2,0mand2,5mspacingEN149725:2024(E)DimenSionSinmetres李。KSPrmkIerthermocouple一re5Under1elIayOUtOftheSPrinklerS/automaticnozzlesandtheignicionSOUrCefo

35、r305and3.5mSPaCingKeyQsprinkler率thermocoupleFigure 6 Between4(B4)layoutofthesprinklers/automaticnozzlesandtheignitionsourcefor3,0mand3,5mspacingDimensionsinmetresKeyosprinkler串thermocoupleFigure 7 Under1(Ul)layoutofthesprinklers/automaticnozzlesandtheignitionsourcefor4,0mspacingKeyosprinkleralternat

36、ively:dummysprinkler(notconnectedtowatersupply)套thermocoupleFigure 8 Between4(B4)layoutofthesprinklers/automaticnozzlesandtheignitionsourcefor4,0mspacing6Referencesprinklerrequirements6.1 GeneralThesprinklersystemusedinthereferencetestsshallbecharacterizedasfollows:a) classification:OrdinaryHazard2;

37、b) waterdischargedensityThisvalueincludesasafetyfactorof15%.:5,75lminm2;c) protectedareapersprinkler:12,25m2;d) sprinklerarrangement:squaregrid(3,5mspacing);e) sprinkler:1) type:approvedpendentoruprightspraysprinkler(sametypeasthewatermistsystemtobetested)inaccordancewithEN12259-Lsurfacemountedonthe

38、ceilingwithaflatescutcheon;2) installationofthesprinkleraccordingtoEN12845;3) thermalsensitivity:specialresponseasspecifiedinEN12259-1;4) nominalK-factor:80;5) temperaturerating:68.Figure3toFigure8Showthelayoutofthesprinklerandnozzlenetworkandtherequiredthermocouples.6.2ReferencesprinklertestsThespr

39、inklersystemshallbepressurizedtobecapableoftheminimumrequiredpressureimmediatelyafteroperationofthefirstsprinkler.Uponactivationofthefirstsprinkler,theflowingwaterpressureShallbemaintained.FordrypipesystemsaQOSdelaybetweenfirstsprinkleractivationandstartofwaterdischargeshallbeapplied.7 Watermistsyst

40、emtestsrequirementsThetestedsystemshalleitherbe:a) Forwetpipesystems,pressurizedtoitsminimumoperatingpressurespecifiedbythemanufacturer.Uponactivationofthefirstnozzle,theflowingwaterpressureshallbemaintainedattheminimumoperatingpressureforsystemsusingaconstantoperatingpressure.Forsystemswithnon-cons

41、tantoperatingpressurethepressurecharacteristicsusedinthetestshallresembletheconditionsofarealinstallationwhensupplyingtherequired144m2andshallresemblethelast30minoftheoperatingtimeofthesystem;b) Fordrypipesystems,pressurizedtoitsminimumoperatingpressurespecifiedbythemanufacturer.Uponactivationofthef

42、irstnozzle,adelayasspecifiedbythemanufacturershallbeappliedandafterwardstheflowingwaterpressureshallbemaintainedattheminimumoperatingpressureforsystemsusingaconstantoperatingpressure.Forsystemswithnon-constantoperatingpressurethepressurecharacteristicsusedinthetestshallresembletheconditionsofarealin

43、stallationwhenSupplyingtherequired180m2andshallresemblethelast30minoftheoperatingtimeofthesystem;c) Pressurizedtotheminimumstand-bypressurespecifiedbythemanufacturer.Uponactivationofthefirstnozzle,theflowingwaterpressureshallbegraduallyincreasedtotheminimumoperatingpressure,specifiedbythemanufacture

44、r.Thedelaytimeuntiltheminimumoperatingpressureisreachedshallcorrespondtothedelaytimeexpectedinanactualinstallation.8 Testequipmentrequirements8.1 Thefiretesthallshallbeofanadequatesizewithnaturalorminimalforcedventilationsothereisnointerferencewiththefiretestingwithintheenclosureoraboutthemock-upsor

45、testfuelpackage.8.2 Thefiretestsshallbeconductedinalargeopentesthallofsufficientarea,andwithaminimumceilingheightof5,0m,toavoidimpactingtheresultsofthetests.8.3 Thesizeofthetesthallshallnotimpactfirefightingcapabilitiesofanytestfires(i.e.depletionofoxygenduetoaninadequatelysizedtestlaboratory).8.4 T

46、hereshallbeaminimumgapof1mfromceilingrimtothewallofthefiretesthaltsufficientventilationorspace,toguaranteesufficientO2concentrationovertheentiretestperiod.8.5 Oxygenconcentrationshallnotdecreasebelow20%asanaveragevalueinsidethetesthall.Iftheseconditionsarenotmet,thewatermistsystemshallonlybeinstalle

47、dinroomswithamaximumsizeequaltothelimitsofthefacilitytheyaretestedin.8.6 Forallfiretests,theceiling,floor,andwallsshallbeasdryaspossible,withonlythepermissiblymoisturecontentoftheenvironment.Therelativehumidityinthetestenclosureshallnotsignificantlydifferfromthatoftheambientrelativehumidityoftheenvironment.Maximumroomrelativehumidityshallnotbemorethan70%priortothetest.8.7 Thetestenclosuresorfiretesthallshallbeatanambienttemperatureof(2010)priortothestartofthetest.Theenclosureorhallshallbeatasuniformambienttemperatureasreasonablypossible.Localizedho