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S12 Certificate of Fitness Sprinkler Exam
Questions and Answers
- vExhaustvsystemv-vcheckvforvanyvleakage,vthevdrainvcondensatevtrapvweekly;v-vCORRECTvANSWER-
- vThevvalvevenclosurevheatingvequipmentvsubjectvtovfreezingvconditionsvshallvbevinspectedv---- vduringvcoldvweathervforvitsvabilityvtovmaintainvavminimumvtemperaturevofvatvleastv4°Cv(40°F);v- vCORRECTvANSWER-daily
- vValvesvenclosuresvequippedvwithvlowvtemperaturevalarmsvshallvbevinspectedv---- duringvcoldvweather.v-vCORRECTvANSWER-weekly ----vcanvbevusedvtovboostvwatervpressurevandvvolumevforvwatervbased firevprotectionvsystems.v-vCORRECTvANSWER-Firevpumps
visvAvconditionvinvwhichvthevapplicationvofvthevcomponentvisvnotvwithinvitsvdesignedvlimitsvorvspecific ationsv-vCORRECTvANSWER-Deficiancy
visvAvdeficiencyvthat,vifvnotvcorrected,vcanvhavevanveffectvonvthevperformancevofvthevfirevprotectionvsy stem.v-vCORRECTvANSWER-CRITICALvDEFICIENCY
visvAvsprinklervfabricatedvwithvcorrosionvresistantvmaterials,vorvspecialvcoatingsvtovbevusedvinvanvatm ospherevthatvwouldvcorrodevstandardvsprinklers.v-vCORRECTvANSWER-CORROSION- RESISTANTvSPRINKLER
visvAvsprinklervsystemvemployingvopenvsprinklersvthatvarevattachedvtovavpipingvsystemvthatvisvconnec tedvtovavwatervsupplyvthroughvavvalvevthatvisvopenedvbyvthevoperationvofvavdetectionvsystemvinstalled vinvthevsamevareasvasvthevsprinklers.vWhenvthisvvalvevopens,vwatervflowsvintovthevpipingvsystemvandv dischargesvfromvallvsprinklersvattached.v-vCORRECTvANSWER-DELUGEvSPRINKLERvSYSTEM
visvAnvapprovedvsystemvofvdevicesvandvequipmentvwhichvdetectsvavfirevandvdischargesvanvapprovedvf irevextinguishingvagentvontovorvinvthevareavofvavfire.vSuchvtermvincludesvautomaticvsystemsvand,vwhe revsuchvsystemsvarevauthorizedvbyvthisvcodevorvthevBuildingvCode,vmanuallyvactivatedvsystems.v- vCORRECTvANSWER-FIREvEXTINGUISHINGvSYSTEM
vshallvnotvbevusedvtovfastenvthevsystemvorvbuildingvattachmentsvtovthevstructure.vHangersvusedvwithv ----vpipingvmustvbevlistedvforvusevwithvthevpipingvmaterial.v-vCORRECTvANSWER-plastic ----vshouldvnotvbevallowedvtovbuild- upvonvthevgravityvtank.vThevextravweightvofvitvmightvweakenvthevsupportsvofvthevtankvandvcausevthevta nkvtovcollapsev-vCORRECTvANSWER-ice
vsupervisionvdevicesvmonitorvthevwatervtemperaturevandvthevwatervlevelvinvthevgravityvtank.Thesevde vicesvsendvsignalsvtovanvapprovedvcentralvstationvcompanyvaboutvthevwatervlevelvandvwatervtempera ture.v-vCORRECTvANSWER-Electrical ----vsystemsvmustvbevinstalledvtovputvoutvfiresvthatvstartvinvthevcompactorvchute.v- vCORRECTvANSWER-Sprinkler -----vandv----- Impairmentvcoordinators/buildingvownersvshallvensurevthevplacementvofvthesevtagsvbyvMFSPC'svorv MPv(asvrestricted).v-vCORRECTvANSWER-Impairmentvcoordinators/buildingvowners
vsprinklervheadvpervsystemvtowardvthevendvofvonevbranchvlinevshallvalsovbevremoved.vThisvisvdonevforv investigatingvforvthevpresencevofvforeignvorganicvorvinorganicvmaterial.v-vCORRECTvANSWER- 1
visvAvsprinklervsystemvemployingvautomaticvsprinklersvthatvarevattachedvtovavpipingvsystemvcontaini ngvairvorvnitrogenvundervpressure.vThevreleasevofvthevairvorvnitrogen,(asvfromvthevopeningvofvavsprinkl er)vresultsvinvthevwatervpressurevopeningvavvalvevknownvasvavdryvpipevvalve,vresultingvinvthevflowvofvw atervintovthevpipingvsystemvandvoutvofvthevfusedvsprinklersvheads.v-vCORRECTvANSWER- DRYvPIPEvSPRINKLERvSYSTEM
Avpumpvthatvisvavprovidervofvliquidvflowvandvpressurevdedicatedvtovfirevprotection.vAvfirevpumpvisvavpa rtvofvavfirevsprinklervsystem'svwatervsupplyvandvcanvbevpoweredvbyvelectric,vdieselvorvsteam.vThevpum pvintakevisveithervconnectedvtovthevpublicvundergroundvwatervsupplyvpipingvorvavstaticvwatervsourcev( e.g.,vtank,vreservoir,vlake).vThevpumpvprovidesvwatervflowvatvhighervpressurevtovthevsprinklervsystemv risersvandvhosevstandpipes.v-vCORRECTvANSWER-FIREvPUMP ----arevdesignedvtovcontrolvavfirevuntilvitsvoriginalvfuelvsourcevisvdepletedvorvuntilvfire- fightingvactivitiesvcanvcommence.vAvfirevisvcontrolledvbyvcoolingvthevceiling- levelvairvtemperatures,vreducingvthevfire'svratevofvheatvreleasevandvpre- wettingvadjacentvcombustibles.v-vCORRECTvANSWER- CONTROLvMODEvSPECIFICvAPPLICATIONvSPRINKLERSv(CMSA)
.vThevsprinklervsystemvcannotvbevsuppliedvifvtherevisvnotvenoughv-vCORRECTvANSWER- watervinvthevtank .Avpressurevtankvisvusuallyvhousedvinvanv----vstucturev-vCORRECTvANSWER-enclosed (centrifug)Av---- vtankvcanvbevusedvifvthevtankvsuppliesvthevpumpvduevtovgravity.vsupplyvsource.vAvwatervtankvcanvbevu sedvifvthevtankvsuppliesvthevpumpvduevtovgravity.vInvothervwordsvthevweightvofvthevwatervforcesvthevw atervtovflowvintovthevpumpv-vCORRECTvANSWER-water (dryvpiping)Invmostvcasesvthe airvpressurevinvthevpipingvisvcontrolledv-vCORRECTvANSWER- automaticallyvbyvanvairvmaintenancevdevice (FDC)v.v-vCORRECTvANSWER- (FDC)Avworkingvspacevofvnotvlessvthan ----vinchesvinvwidth,v----vinchesvinvdepthvandv----vinchesvinvheightvshallvbevprovidedvand maintainedvinvfrontvofvandvaroundvwall-mountedvandvfree-standingvfirevdepartment connections,vexceptvasvotherwisevrequiredvorvapproved.v-vCORRECTvANSWER-36/26/ (gravity)vDuringvfreezingvweather,vthevtemperaturev ofvthevwatervinsidevthevtankvandvthevriservmustvbevcheckedv(howvoften)v-vCORRECTvANSWER- dailyvorvweekly (gravity)vThevpumpsvfillvthevtankvatvavratevofv---- vgpmv(gallonsvpervminute)vorvmore.vThevfloatsvturnvonvthev---- vpumpvwhenvthevwatervinvthevtankvisvtoovlow.v-vCORRECTvANSWER-65/fill (howvman)devicesvarevusedvtovreducevthevtimevneededvtovopenvthevclappervandvallowvwatervinto thevsystem.v-vCORRECTvANSWER- 2 (PIV)vThevbuildingvorvsectionvofvthevbuildingvcontrolledvby thevvalvevisvusuallyvmarkedvonvthev-vCORRECTvANSWER-post (preaction)Watervdamagevisvusuallyvcausedvby----vorv---- .vUndernormalvconditionsvtherevisvnovwatervinvthevpiping.vThevairvinvthevpipingvmayvorvmayvnotvbe undervpressure.v-vCORRECTvANSWER-damagedvsprinklers/brokenvpiping. (pressvtankvalarm)vThevalarmvsystemvautomaticallyvmonitorsvthevair-to- watervvolumevratiovwhichvshouldvalwaysvbev 1 v(---)vtov 2 v(----).v-vCORRECTvANSWER-air/water (pressurevtank)vsome
sprinklersvsystemsvrequirevmorevthanv---- vgallonsvofvwater.vWhenvthisvoccursvseveralvpressurevtanksvarevusedvinvcombinationvtovsupplyvthevsy stem.v-vCORRECTvANSWER-6, (seismic)Thevdistancevfromvthevlastvbracevtovthevendvofvthevpipevbeingvbracedvshallvnotvexceedv---- vfeetvforvsystemsvconstructedvundervthev 2008 vBuildingvCode.vThevdistancevfromvthevlastvbracevtovthe vendvofvthevpipevbeingvbracedvshallvnotvexceedv---- vfeetvforvsystemsvconstructedvundervthev 2014 vBuildingvCode.v-vCORRECTvANSWER-20/ (vert)vAlthoughvthevverticalvturbinevpumpvisvcapablevofvdrawingvwatervfromvwellsvitvisvgenerallyvnotvre commendedvtovusevavwellvasvthevmainvwatervsupplyvsourcevbecausevitvmayv-vCORRECTvANSWER- dryvupvwithoutvwarning. (vert)vShouldvthevwllvdryvupvitvwouldvmakevthev---- vpumpvuseless.vtvisvbettervtovdrawvwatervfromvthevwellvandvtovfillvavwatervstoragevtank.v- vCORRECTvANSWER-turbine (vertical)vWhenvitvreachesvthevrotatingvimpellersvthev-----andv---- varevincreasedvandvthenvforcefullyvdischargedvintovthevfirevprotectionvsystem.v-vCORRECTvANSWER- watervpressure/flow 1.vAutomaticvandvnon- automaticvsprinklervsystemsvshallvbevinspected,vtestedvandvmaintainedvasvrequiredvbyvNFPAv#25v 20 11 veditionvbyvavcompetentvpersonvholdingvavS- 12 vCertificatevofvFitnessvandvemployedvorvcontractedvbyvthevowner,vtovseevthatvallvpartsvofvthevsyste mvarevinvgoodvworkingvorder,vandvthatvthevFirevDepartmentvconnection(s),vifvany,varevreadyvforvimme diatevusevbyvthevFirevDepartment.vAvdetailedvrecordvshallvbevkeptvonvthevpremisesvorvothervapproved vlocation,vforvavminimumvofv 3 vyearsvforvexaminationvbyvanyvrepresentativevofvthevFirevDepartment.v- vCORRECTvANSWER- 1.singlevlinevof pipingvdrilledvatvintervalsvforvwatervdischarge.vThesevsystemsvarevusuallyvfoundvin basementsvorvothervareasvdifficultvtovreachvinvfirevfightingvoperations.v-vCORRECTvANSWER- Perforatedvpipevsystems 15 V.vINDIVIDUALSvAUTHORIZEDvTOvPERFORMvTASKSvASvSPECIFIEDvINvTHEvNEWvYORKvCITYvFIREvCO DEv-vCORRECTvANSWER- 2.Avsupplyvofvatvleastvsixvextravsprinklervheadsvshallvbevkeptvavailablevonvthevpremises,vtovreplacevpr omptlyvanyvfusedvorvdamagedvsprinklers.vAnyvheadvwhichvhasvopenedvorvhasvbeenvdamagedvshallvb evreplacedvimmediatelyvwithvsprinklervheadvofvsimilarvcharacteristicsvsuchvasvoperatingvtemperatur e,vorificevsize,vdeflectorvorientationvandvthermalvsensitivity.v-vCORRECTvANSWER-
Av----vwatervsuppyvavwouldvappearvtovbevallvthatvisvneededvtovsupplyvavsprinkler firevprotectionvsystem.vThisvassumesvthatvtherevisvenoughvwatervatvanvacceptablevpressure.v- vCORRECTvANSWER-single AvBRIEFvOVERVIEWvOFvPIPINGvANDvSUPPORTvFUNDAMENTALSvSprinklervsystemvpipingvisvcategoriz edvasvfollowsv-vCORRECTvANSWER- Avcompletevrecordvshouldvbevmadevforveachvvalvevinvthevsystem.vThisvrecordvshouldvincludevthev----v- vCORRECTvANSWER-exactvlocation,vthevdatevitvwasvinstalled,vthevmake,vthe directionvofvopening,vnumbervofvturnsvtovopen,vandvanyvmaintenancevthatvwasvperformed. AvCOMPLETEvSUMMARYvOFvTASKSvOFvINSPECTION,vMAINTENANCEv&vTESTINGv- vCORRECTvANSWER- Avconnection,vnormallyvonvthevexteriorvofvthevbuilding,vthroughvwhichvthevfirevdepartmentvcanvpumpv supplementalvwatervintovthevsprinklervsystem,vstandpipe,vorvothervsystemvfurnishingvwatervforvfireve xtinguishmentvtovsupplementvexistingvwatervsupplies.v(FormerlyvknownvasvSiamesevconnection.)v- vCORRECTvANSWER-FIREvDEPARTMENTvCONNECTION Avdetailedvrecordvshallvbevkeptvonvthevpremisesvorvothervapprovedvlocation,vforvavminimumvofv- vCORRECTvANSWER- 3 vyearsvforvexaminationvbyvanyvrepresentativevofvthevFirevDepartment. Avdevicevdesignedvtovdischargevwatervorvfoam- watervsolutionvinvavpredetermined,vfixed,vorvadjustablevpattern.vExamplesvinclude,vbutvarevnotvlimite dvto,vsprinklers,vsprayvnozzles,vandvhosevnozzles.v-vCORRECTvANSWER-DISCHARGEvDEVICE Avfillvpumpvisvnotvnecessaryvifvthevwatervpressurevinvthev----v---- vmainvisvablevtovkeepvthevtankvfilledvwithvthevcorrectvamountvofvwater.v-vCORRECTvANSWER- cityvwater Avfirevextinguishingvsystem,vothervthanvavmistvfirevextinguishingvsystemvthatvutilizesvwatervasvthevexti nguishingvagent.v-vCORRECTvANSWER-SPRINKLERvSYSTEM Avfirevprotectionvcomponentvthatvhasvbeenvtestedvtovperformvundervparametersvspecifiedvforvitsvusev byvavnationallyvrecognizedvtestingvagency.v-vCORRECTvANSWER-Listedvdevice Avfullvtankvofvwatervhelpsvkeepvsteelvtanksvfrom----v-vCORRECTvANSWER-rusting Avgravityvtankvshouldvbevatvleastv----vfeetvabovevthevhighestvlinevofvsprinklervheadsvthatvitvsupplies.v- vCORRECTvANSWER- 25 Avgravityvtankvsystemvdeliversvwatervfromvthevtankvthroughvthevsprinklervsystemvwithoutvthevusevofv-- --v-vCORRECTvANSWER-pumpingvequipment
Avmeasurementvofvthevthermalvsensitivityvofvavsprinklervheadvexpressedvinv(meters-seconds)v1/2.v- vCORRECTvANSWER-RESPONSEvTIMEvINDEXv(RTI) Avminimumvofv---vextravsprinklervheadsvwithvthevappropriatevwrenchesvshallvbevavailablevto replacevanyvopenedvorvdamagedvsprinklervheads.vOpenedvorvdamagedvsprinklervheadsvshall bevreplacedv----v-vCORRECTvANSWER-6/immediately Avpartialvlistvofvspecificvhangervspacingvrequirementsvisvnotedvbelow:v-vCORRECTvANSWER- Avpilotvoperatedvpressurevreducingvvalvevthatvmayvbevusedvwithvavfirevorvboostervpumpvdesignedvforvt hevpurposevofvpreventingvthevincomingvwatervsupplyvpressurevfromvdroppingvbelowvavsetvpressure.v- vCORRECTvANSWER-PRESSUREvCONTROLvVALVE Avpressurevtankvisvusuallyvhousedvinvanvenclosedvstructure.vThevtemperaturevinvthevenclosurevisvkep tvatv----˚vFahrenheitvorvabove.v-vCORRECTvANSWER- 40 Avrecessedvsprinklervwithvavcovervplate.v-vCORRECTvANSWER-CONCEALEDvSPRINKLER AvREDvtagvshallvbevplacedvatvthevmainvcontrolvvalvevindicatingvthev-vCORRECTvANSWER- sprinklervcompanyvname,vdatevofvremovalvfromvservicevandvanticipatedvreturnvtovservicevdate. Avsignvattachedvtovavhydraulicallyvcalculatedvsprinklervsystemvindicatingvthevdesignvdensity,vrequire dvgallonsvpervminutevandvpressurevforvthevsystemvtovoperatevproperly.v-vCORRECTvANSWER- HYDRAULICvPLACARD Avsignvidentifyingvthev----vhousingvthevsprinklervsystemvcontrol valvevshallvbevconspicuouslyvpostedvonvthevexteriorvwallvofvthevbuildingvdirectlyvoppositevthe sidewalkvbox.vSuchvsignvshallvhavevredvlettersv 1 vinchvinvheightvonvavwhitevbackgroundvand read:v"SprinklervSystemvShutoffvValvev(indicatevdistance)vfeetvoppositevthisvsign"vorvother approvedvdesign.v-vCORRECTvANSWER-locationvofvthevsidewalkvbox Avsignvindicatingvthevlocationvofvallv----valvesvshallvbevkeptvinvthe compactorvroom.vThisvsignvisvshallvbevdisplayedvwithvthevsketchvinvthevcompactorvroom.v- vCORRECTvANSWER- Avsignvindicatingvthevlocationvofvallvcontrolvvalvesvshallvbevkeptvinvthe compactorvroom.vThisvsignvisvshallvbevdisplayedvwithvthevsketchvinvthevcompactorvroom. Allvcontrolvvalvesvinvthevsprinklervsystemvshallvbev----v-vCORRECTvANSWER-labeled Avsignalvindicatingvthevneedvforvactionvinvconnectionvwithvthevsupervisionvofvguardvtours,vfirevextingui shingvsystemsvorvequipment,vfirevalarmvsystemsvorvthevmaintenancevfeaturesvofvrelatedvsystemsv- vCORRECTvANSWER-SUPERVISORYvSIGNAL
Avsprinklervsystemvemployingvautomaticvsprinklersvthatvare attachedvtovavpipingvsystemvcontainingvairvorvnitrogenvundervpressure,vthevrelease ofvwhichv(asvfromvthevopeningvofvavsprinkler)vpermitsvthevwatervpressurevtovopenvavvalve knownvasvavdryvpipevvalve,vandvthevwatervthenvflowsvintovthevpipingvsystemvand outvthevopenedvsprinklers.v-vCORRECTvANSWER-DryvPipevSprinklervSystem Avsprinklervsystemvisvav-vCORRECTvANSWER- firevextinguishingvsystem,vothervthanvavwatervmistvsystem,vthatvutilizesvwatervasvthevextinguishingvag ent. Avsprinklervsystemvwithvavwatervflowvalarmvservesvtwovfunctions:v-vCORRECTvANSWER- 1)vItvisvanveffectivevfirevextinguishingvsystem,vandv2)vItvisvanvautomaticvfirevalarm.vAnvalarmvisvsignale dvsoonvaftervavsprinklervheadvhasvopened.vThisvisvimportantvsincevitvallowsvthevoccupants'vtimevtovle avevthevbuilding.vItvalsovsignalsvthatvthevFirevDepartmentvshouldvbevsummoned. Avsprinklervthatvdirectsv40%vtov60%vofvthevwatervinitiallyvinvavdownwardvdirectionvandvisvdesignedvtov bevinstalledvwithvthevdeflectorvinveithervthevuprightvorvpendentvposition.v-vCORRECTvANSWER-OLD- STYLE/CONVENTIONALvSPRINKLER Avstockvofvsparevsprinklersv(notvlessvthanv6)vshallvbevkeptvonvthevpremisevwherevthevtemperaturevdo esvnotvexceedv-vCORRECTvANSWER- 100 vDegreesvF Avsufficientvnumbervofvfirevguardsvshallvbevprovidedvsuchvthatveachvfloorvorvareavinvwhichvthevfirevpro tectionvsystemvisvoutvofvservicevisvpatrolledvatvleastv-vCORRECTvANSWER-oncevanvhour Avsupervisoryvdevicevsignalsvwhenvthevvalvevhas openedvthatvwillvautomaticallyvsoundvanvalarm.vThisvalarmvisvanvaudiblevsignalvatvthe premisevandvinvmanyvcasesvitvwillvtransmitvanvalarmvtovavremotevlocation,vsuchvasvanv- vCORRECTvANSWER-approvedvcentralvstationvcompany. Avsupervisoryvdevicevsignalsvwhenvthevvalvevhasv----vthatvwillvautomaticallyvsoundvan alarm.vThisvalarmvisvanvaudiblevsignalvatvthevpremisevandvinvmanyvcasesvitvwillvtransmitvan alarmvtovavremotevlocation,vsuchvasvanvapprovedvcentralvstationvcompany.v-vCORRECTvANSWER- opened Avsupervisoryvdevicevsignalsvwhenvthevvalvevhasvopenedvthatvwillvautomaticallyv- vCORRECTvANSWER-soundvan alarm. Avsupplyvofvatvleast---- extravsprinklervheadsvshallvbevkeptvavailablevonvthevpremises,vtovreplacevpromptlyvanyvfusedvorvdam agedvsprinklers.v-vCORRECTvANSWER- 6
Avsystemvwherevthevwatervpipingvservicesvbothv2½vin.v(65vmm)voutletsvforvfirevdepartmentvusevandvo utletsvforvautomaticvsprinklers.v-vCORRECTvANSWER- COMBINATIONvSTANDPIPEvANDvSPRINKLERvSYSTEM Avtankvsupplyingvwatervforvwater-basedvfirevprotectionvsystems.v-vCORRECTvANSWER-WATERvTANK Avtankvusingvairvpressurevtovsupplyingvwatervforvwater- basedvfirevprotectionvsystems.vTankvcontentsvtovbevmaintainedvatvonevthirdvairvtovtwovthirdsvwater.v- vCORRECTvANSWER-PRESSUREvTANK Avtypevofvfastvresponsevsprinklervthatvisvlistedvforvitsvcapabilityvtovprovidevfirevsuppressionvofvspecific vhighvchallengevfirevhazards.v-vCORRECTvANSWER- EARLYvSUPPRESSIONvFASTvRESPONSEvSPRINKLERv(ESFR) Avtypevofvsprayvsprinklervwithvavmaximumvareavofvcoveragevofv 400 vsquarevfeetv(20vfootvbyv 20 vfootvspa cingvbetweenvsprinklers)vforvlightvhazardvoccupanciesvtovavmaximumvofv 144 vsquarevfeetv(12vfootvbyv 12 vfootvspacingvbetweenvsprinklers)vforvextravhazardvoccupancies.v-vCORRECTvANSWER- EXTENDEDvCOVERAGEvSPRINKLERS Avtypevofvsprinklervlistedvforvitsvcapabilityvtovprovidevfirevcontrolvforvavwidevrangevofvfirevhazards.vThev mostvcommonlyvusedvsprinklervsincev1953.v-vCORRECTvANSWER-SPRAYvSPRINKLER Avvalvevboxvisvlocatedvovervthevvalvevtovkeep ----vfromvthevvalve.v-vCORRECTvANSWER-dirt Avvalvevcontrollingvflowvtovwater- basedvfirevprotectionvsystems.vControlvvalvesvdovnotvincludevhosevvalves,vinspector'svtestvvalves,vdr ainvvalves,vtrimvvalvesvforvdryvpipe,vpreactionvandvdelugevvalves,vcheckvvalves,vorvreliefvvalves.v- vCORRECTvANSWER-CONTROLvVALVE Avvalvevdesignedvforvthevpurposevofvreducingvthevdownstreamvwatervpressurevundervbothvflowingv(re sidual)vandvnonflowingv(static)vconditions.v-vCORRECTvANSWER-PRESSURE-REDUCINGvVALVE AvvalvevdesignedvforvthevpurposevofvreleasingvexcessvairvorvwatervpressurevfromvthevFirevProtectionvP ipingvSystem.v-vCORRECTvANSWER-PRESSUREvRELIEFvVALVE Avvisualvindicatingvdevicevrequiredvforvsprinklersvmanufacturedvpriorvtov 1999 videntifyingvsmallvorific evsprinklersvandvlargevorificevsprinklersvwherevorificevsizevisvdifferentvthanvthevnominalvthreadvsizevof vthevsprinklervheadv-vCORRECTvANSWER-PINTLEvSCREWS Avvisualvinspectionvofvthevsystemvisvperformedvfromvthevfloorvtovdeterminevifvthev---,-----vandv---- varevplacevandvifvthevpipimhvhasvmovedvfromvitsvorginalvpositionv-vCORRECTvANSWER- hangers,vbracingvandvrestraints/piping
Airvpressurevinvthevtankvpermitsvforcefulvdischargevofvwatervinvthevtankvintovthevsprinklervsystem.vAvp ressurevtankvmayvbevusedvasva----vorv----vwatervsupplyvforvavsprinklervsystemv-vCORRECTvANSWER- primary/secondary AirvPressure:v-vAirvpressurevwithoutvsupervisedvairvpressurevsourcevshallvbevinspectedv(howvoften
- vAirvpressurevwithvsupervisedvairvpressurevsourcevshallvbevinspectedv(howvoften)v- vCORRECTvANSWER-monthly/quarterly AlarmvDevices:v- vAlarmvdevicesvshallvbevinspectedv(howvoften)vtovverifyvthatvtheyvarevfreevofvphysicalvdamage.v- vCORRECTvANSWER-quarterly ALARMvNOTIFICATIONvAPPLIANCEv-vCORRECTvANSWER- Avfirevalarmvsystemvcomponent,vsuchvasvavbell,vhorn,vspeaker,vlight,vtextvdisplayvorvvibrationvdevicevt hatvissuesvanvaudible,vtactile,vand/orvvisualvalert. ALARMvSIGNALv-vCORRECTvANSWER- Avsignalvindicatingvanvemergencyvrequiringvimmediatevaction,vsuchvasvavsignalvindicativevofvfire Alarmsvalertvoccupantsvandvsummonvthev-vCORRECTvANSWER-firevdept Allvgravityvtanksvhavevanv---- vpipevthatvdrainsvoffvexcessvwatervinvthevtank.Thisvhappensvifvthevfloatsvdovnotvturnvoffvthevfillvpumpv- vCORRECTvANSWER-overflow Allvmultiplevdwellings,vfactories,vofficevbuildings,vwarehouses,vstoresvandvoffices,vtheatersvandvmus icvhalls,vhospitalsvandvasylums,vandvallvpublicvschoolsvandvothervpublicvbuildings,vchurchesvandvoth ervplacesvwherevlargevnumbersvofvpersonsvarevcongregatedvforvpurposesvofvworship,vinstruction,vam usement,vandvallvpiers,vbulkheads,vwharves,vpiervsheds,vbulkheadvshedsvorvothervwaterfrontvstructu resvshallvprovidev-vCORRECTvANSWER- firevextinguishers,vbuckets,vaxes,vfirevhooks,vfirevdoorsvandvothervmeansvofvpreventingvandvextinguis hingvfiresvasvthevcommissionervmayvdirect. Allvpartsvofvanvautomaticvsystemvexposedvtovfreezingvtemperaturesvshallvbev-vCORRECTvANSWER- protectedvfromvfreezingvorvinvlieuvthereof,vanvautomaticvdryvpipevsystemvorvavsystemvfilledvwithvavnon freezing,vnoncombustiblevsolutionvshallvbevused. Allvpressurevtanksvusedvtovprovidevthevrequiredvprimaryvwatervsupplyvforvavsprinklervsystemvshallvbev equippedvwithvtwovhighvandvlowvalarmvsystems.vOnevsystemvmonitorsvthev---vandv---- vairevpressures.vThevothervsystemvmonitorsvthev----vandv----vwatervlevels.v-vCORRECTvANSWER- high/lowvhigh/low Allvsprinklervheadsvlistedvforvrecallvandvreplacementvcanvbevfoundvat----v-vCORRECTvANSWER- www.cpsc.gov.
Anvalarmvcheckvvalvevthatvisvexposedvtovchangingvwatervsupplyvpressurevneedsvanvalarmvretardingvd evice.v-vCORRECTvANSWER-AlarmvRetardingvDevices Anvautomaticvwetvsprinklervsystemvisvanveffectivevfire----system.Thisvsystem dischargesvwatervtovavlocalizedvareavthatvisvsubjectvtovfire.v-vCORRECTvANSWER-suppressio Anvelectricvbellvorvothervaudiblevsignalvdevicevmayvalsovbevlocatedv-vCORRECTvANSWER- insidevthevbuilding Anvinitiatingvdevice,vsuchvasvavvalvevsupervisoryvswitch,vwatervlevelvindicator,vorvlow- airvpressurevswitchvonvavdry-pipevorvpreactionvsprinklervsystem,vthatvtriggersvavsupervisoryvsignal.v- vCORRECTvANSWER-SUPERVISORYvSIGNAL-INITIATINGvDEVICE Anvobstructionvinvestigationvshallvalsovbevperformedvwhenevervthevfollowingvconditionsvexistvsuchva sv-vCORRECTvANSWER- pinholevleaks,vavrecordvofvbrokenvpublicvwatervmainsvinvthevvicinity,vforeignvmaterialvinvwatervdischar gedvduringvdrainvtestsvorvpluggingvofvinspector'svtestvvalvevconnection.vAvcompletevlistvofvsystemvco nditionsvrequiringvobstructionvinvestigationvarevlistedvinvChapterv 14 vandvAnnexvDvofvNFPAv#25v 2011 v edition. Antifreeze sprinklervsystemsvarevcostlyvandvarev----v-vCORRECTvANSWER-Antifreeze sprinklervsystemsvarevcostlyvandvarevdifficultvtovmaintain. Antifreezevisvusuallyvusedvfor ----v----vareas.v-vCORRECTvANSWER-smallvunheated ANTIFREEZEvSPRINKLERvSYSTEMv-v-vCORRECTvANSWER- Avwetvpipevsprinklervsystemvemployingvautomaticvsprinklersvthatvarevattachedvtovavpipingvsystemvth atvcontainsvanvantifreezevsolutionvandvisvconnectedvtovavwatervsupply.vThevantifreezevsolutionvisvdisc harged,vfollowedvbyvwater,vimmediatelyvuponvoperationvofvsprinklersvopenedvbyvheatvfromvavfire. Antifreezevsprinklervsystemsvmayvbevusedvonlyvinvaccordancevwith applicablev----v-vCORRECTvANSWER-localvhealthvregulations. Any ofvthev-----v----vsupplyvsourcesvmayvbevusedvtovsupplyvthevcompactorvsprinkler system.v-vCORRECTvANSWER-standardvwataer Any ofvthevstandardvwatervsupplyvsourcesvmayvbevusedvtovsupplyvthevcompactorvsprinkler system.vForvexample,vgravityvtanks,vfirevpumpsvandvpressurevtanksvarevallvusedvasv---- supplyvsources.v----doorsvshallvbevinstalledvinvthevchutevtovallowvfirefightervaccessvto
Atvleastvonceveveryvfivevyears,vthevFirevDepartmentvconnectionvorvconnectionsvforvavsprinklervsyste mvshallvbevsubjectedvtovavhydrostaticvpressurevtestvtovdemonstratevitsvsuitabilityvforvFirevDepartmen tvuse.vThevtestvshallvbevarrangedvtovbevconductedvbyvav----byva----Thevcontractorvshallvbevhiredvby----- v-vCORRECTvANSWER- MastervFirevSuppressionvPipingvContractor/1.vavFirevDepartmentvrepresentative/thevownervorvthevow ner'svrepresentative. Automaticvandvnon- automaticvsprinklervsystemsvshallvbevinspected,vtestedvandvmaintainedvasvrequiredvbyvNFPAv#25v 20 11 veditionvbyv-vCORRECTvANSWER-competentvpersonvholdingvavS- 12 vCertificatevofvFitnessvandvemployedvorvcontractedvbyvthevowner,vtovseevthatvallvpartsvofvthevsyste mvarevinvgoodvworkingvorder,vandvthatvthevFirevDepartmentvconnection(s),vifvany,varevreadyvforvimme diatevusevbyvthevFirevDepartment. AUTOMATICvBALLvDRIPv-vCORRECTvANSWER- Anvautomaticvdrainvvalvevhorizontallyvinstalledvatvthevlowvpointvinvthevpipingvbetweenvthevlowervchec kvvalvevandvthevFirevDepartmentvconnectionvofvautomaticvsprinklervsystems.vWatervpressurevfromvav FirevDepartmentvpumpervautomaticallyvclosesvthisvvalve.vItvautomaticallyvre- opensvwhenvpressurevceases,vpermittingvthisvpipingvtovdrainvandvtherebyvpreventingvfreezing. Automaticvfirevpumpsvmustvhavevtheirvsuctionv"undervav----head"vtovdrawvwatervfromva supplyvsource.v-vCORRECTvANSWER-positive AutomaticvTankvFillvValvesv-vCORRECTvANSWER- Strainers,vfilters,vorificesvshallvbevinspect/cleanedvquarterly.vEnclosuresvshouldvbevinspectedvdurin gvcoldvweatherv-v(withoutvtemperaturevmonitoringv-vdaily)/(withvtemperaturevmonitoringv- vweekly).vExteriorvautomaticvtankvfillvvalvesvshouldvbevinspectedvmonthly.vInteriorvautomaticvtankvfill vvalvesvshouldvbevinspectedvannuallyv(withoutvexternalvreset)/5vyearsv(withvexternalvreset). B.vFire,vBoostervandvSpecialvServicevPumps:vPumpvHouse,vHeatingvVentilatingvLouvers:v- Thevvisualvinspectionvshallvbevperformedv(howvoften)vtovensurevheatvisvnotvlessvthanv40ºFv(4.4ºC)van dv70ºFv(21ºC)vforvpumpvroomvwithvdieselvpumpsvwithoutvenginevheaters.v- vVentilatingvlouversvshallvbevfreevtovoperate.v-vCORRECTvANSWER-weekly Batteryvsystemv- vCheckvelectrolytevlevelvofvbatteryvsystemvalongvwithvthevchargervandvchargevratevweekly;v-vMonthlyv- vRemovevcorrosionvonvpumpvcasing,vcleanvandvdryvhousing;v-vQuarterlyv- vCheckvthatvterminalsvcleanvandvtight;v-vCORRECTvANSWER- Beforevauthorizingvthevplacingvofvthevfirevprotectionvoutvofvservicevthevimpairmentvcoordinatorvshall:v
- vCORRECTvANSWER-
- vNotifyvthevCertificatevofvFitnessvholdervresponsiblevforvsupervisingvthevmaintenancevofvthevstandpi pevsystem,vsprinklervsystemvorvfirevalarmvsystem.
- vDeterminevthevextentvandvexpectedvdurationvofvthevout-of-servicevcondition.
- vInspectvthevareasvorvbuildingsvinvolvedvandvassessvthevincreasedvrisks.vMakevappropriatevrecomm endationsvtovthevowner.
- vNotifyvthevFirevDepartmentvinvaccordancevwithvFCv901.7.5,vifvrequired.
- vNotifyvthevresponsiblevpersonvdesignatedvbyvthevownervtovissuevhotvworkvauthorizationsvinvaccord ancevwithvFCvChapterv26.
- vNotifyvthevcentralvstationvandvinsurancevcarrier.
- vNotifyvthevoccupantsvinvthevaffectedvareasvifvthevdurationvofvtimevthevsprinklervsystemvorvfirevalarmv systemvwillvbevoutvofvservicevisvestimatedvtovbevmorevthanv 30 vminutes.
- vPlacevavtagvatveachvfirevdepartmentvconnection,vstandpipevandvsprinklervsystemvcontrolvvalvevandv firevcommandvcenter,vindicatingvwhichvfirevprotectionvsystem,vorvpartvthereof,visvoutvofvservice.
- vMaintainvthevfirevprotectionvsystemvinvservicevuntilvworkvisvreadyvtovbegin. BeingvablevtovshutoffvpartsvofvavbuildingvallowsvthevFirevDepartmentvtovhavevgreater controlvovervthevsprinklervsystem.vWhenvavfirevisvundervcontrolvinvanvareavthevOS&Yvvalve canvbev----vtovpreventvanyvfurthervwatervdamage.v-vCORRECTvANSWER-closed Branchvlinesvarevdirectlyvconnectedvtov-vCORRECTvANSWER-sprinklervheads BUILD-UPvOFvFOREIGNvMATERIALvONvSPRINKLERSv-vCORRECTvANSWER- Buildingsv(4.1.1.1)v- vShallvbevinspectedv(howvoften)vthevbuildingvownervshallvensurevthatvallvareasvofvthevbuildingvcontain ingvwater- filledvpipingvshallvbevmaintainedvatvavminimumvtemperaturevofv40°Fvandvnotvexposedvtovfreezingvcon ditionsv-vCORRECTvANSWER- Buildingsv(4.1.1.1)v-vShallvbevinspectedv(howvoften),vthev---- vshallvensurevthatvallvareasvofvthevbuildingvcontainingvwater- filledvpipingvshallvbevmaintainedvatvavminimumvtemperaturevofv40°Fvandvnotvexposedvtovfreezingvcon ditions.v-vCORRECTvANSWER-buildingvowner byvanvapprovedvcentralvstationvcompanyvwhichvmonitorsvtheventirevsprinklervsystem.vSupervisoryvde vicesvarevinstalledv---v-vCORRECTvANSWER-invthevpressurevtank C.vWatervStoragevTank:v-vCORRECTvANSWER- CENTRALvSTATIONv-v-vCORRECTvANSWER- Avfacilityvthatvreceivesvalarmvsignalsvfromvavprotectedvpremisesvandvretransmitsvorvotherwisevreport svsuchvalarmvsignalsvtovthevdepartment. Certainvsprinklervheadsvhavevbeenvrecalled,vonevofvwhichvisvcalledvthev"----sprinkler".v- vCORRECTvANSWER-cycling
valves risers piping sprinklervheadsvandvfirevdeptvconnections alarms fire boostervandspecialvservicevpumps obstructions andvconditionsvofvallvothervsystemvequipmentvandvappurtenances. DevicesvandvEquipmentvSupervisedv-vCORRECTvANSWER- DieselvEnginevPumpvSystem:v-vFuelvsystemv-vTankvlevelvshallvbev---- vfull,vthevtankvfloatvswitchvshallvbevinvautovposition,vsolenoidsvvalvevoperational,vcheckvforvwatervinvt hevfuelvsystemvanvconditionvofvflexiblevhosesvconnectorsvweekly.v-vLubricationvsystemv- vOilvlevelvinvrightvanglevgearvdrivevisvnormalvandvensurevthatvlubevoilvheatervisvadequatelyvlubricatedv( howvoften)v-vCORRECTvANSWER-2/3vweekly Drainvtestvresultsvshallvbevpostedvonvthevtagvindicatingvbothvthev-vCORRECTvANSWER- staticvandvflowvpressuresvbeforevandvaftervthevsystemvwasvplacedvinvanvoutvofvservicevcondition. Drainagevinvsystemvareav(NFPAv11.2.8)v- vThevareavbeneathvandvsurroundingvavfoamvwatervsprayvsystemvshallvbevinspectedvtovensurevthatvdra inagevfacilities,vsuchvasvtrapvsumpsvandvdrainagevtrenches,varevnotv---- vandvretentionvembankmentsvorvdikesvarevinvgoodvrepair.v-vCORRECTvANSWER-blocked DryvPipevSprinklervSystemsvarevinstalledv---- sincevthevprotectedvareavcannotvbevheatedvtovpreventvfreezingvconditions.vInv-vCORRECTvANSWER- wherevitvisvimpracticalvtovinstallvavwetvpipevsystem DryvPipevValves/QuickvOpeningvDevices:v-vCORRECTvANSWER- Eachvdelugevvalvevisvcapablevofv----vandv----voperationv-vCORRECTvANSWER-automaticvandvmanual
ElectricvMotorvPumpvSystem:vAvgeneralvinspection,vsuchvcontrollervpilotvlightvon,vtransfervswitchvisvc losed,vreversevphasevalarmvpilotvlightvisvoffvorvnormalvphasevrotationvpilotvlightvisvonvoilvlevelvinvvertic alvmotorvsightvglassvisvnormalvweekly.v-vCheckv(howvoften)vcircuitvbreakersvorvfuses;v- vCheckv(howvoften)vforvwirevchafingvwherevsubjectvtovmovement.vCv-vCORRECTvANSWER- monthly/quarterly Electricalvsupervisionvdevicesvmonitorvthevwatervtemperaturevandvthevwatervlevelvinvthevgravityvtank. vThesevdevicesvsendvsignalsvtovanvapprovedvcentralvstationvcompanyvaboutvthevwatervlevelvandvwate rvtemperature.vThevcentralvstationvcompanyvnotifiesvthev----vorvthev---- vwhenvavproblemvwithvthevgravityvtankvisvdetected.v-vCORRECTvANSWER- owner/impairmentvcoordinator ExistingvColdvWeathervValvesv-vAnvautomaticvsprinklervsystemvshouldvnotvbev----vorv---- vtovavoidvfreezingvduringvcoldvweatherv-vCORRECTvANSWER-turnedvoff/drained Exteriorvpainted,vcoatedvorvinsulatedvsurfacesvofvthevtankvandvsupportingvstructure,vwherevprovidedv shallvbevinspectedv(howvoften)vforvsignsvofvdegradation.vExpansionvJointsvshallvbevinspectedv(howvof ten)vforvleaksvandvcracks.v-vCORRECTvANSWER-anually/anually Factorsvthatvmayvrequirevfurthervinvestigationv-vCORRECTvANSWER- Failurevtovmakevinspections,vmaintainvrecords,vandvreportvdefectsvorvviolationsvmayvbevcausevfor---- v-vCORRECTvANSWER-revocationvofvthevCertificatevofvFitnessvandvcourtvenforcementvproceedings. FCv912.3)vEachvconnectionvshall bevfittedvwithvav---vcheckvvalve.vThev---vlowervcheckvvalvevpreventsvthevbackflowvofvthe privatevwatervsupplyvintovthevFirevDepartmentvconnection.v-vCORRECTvANSWER-lower Feedvmainsvarevdirectlyvconnectedvtov-vCORRECTvANSWER-crossvmainsvorvloopvmains. FIREvALARMvSYSTEMv-v-vCORRECTvANSWER- Anyvsystem,vincludingvanyvinterconnectedvfirevalarmvsub- system,vofvcomponentsvandvcircuitsvarrangedvtovmonitorvandvannunciatevthevstatusvofvfirevalarmvorv supervisoryvsignal-initiatingvdevices. FirevDepartmentvconnectionsvmustvalwaysvbev-vCORRECTvANSWER-accessibe FirevDepartmentvConnections:vNormallyvavsprinklervsystemvisvconnectedvtovanv- vCORRECTvANSWER-utomatic watervsupplyvsource. FIREvDEPARTMENTvNOTIFICATIONSvFORvOUTvOFvSERVICEvCONDITIONS:v-vCORRECTvANSWER- FirevGuardv-vCORRECTvANSWER-
