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Fire Sprinkler Systems: Components, Types, and Operation, Exams of Nursing

San Francisco State University (SFSU)Nursing

A comprehensive overview of various components and systems related to fire sprinkler technology. It defines key terms such as fire department connections, system control valves, fire command centers, and different types of sprinkler systems like deluge and preaction systems. The document also covers specific sprinkler types, including fast response, large orifice, and residential sprinklers, detailing their operational characteristics and applications. This information is crucial for understanding fire protection strategies and ensuring building safety. (400 characters)

Typology: Exams

2024/2025

Available from 06/02/2025

Nurseexcel
Nurseexcel 🇺🇸

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S12 sprinkler test, S13 standpipe test, Sprinklers segment 5
Final Test Questions and Answers 100% Verified
1. firefdepartmentfconnection:fnormallyfonfexteriorfoffbuilding...fFDNYfcanfpumpfsupplement
alfwaterfintofthefsprinklerfsystem,fstandpipe,forfotherfsystemffurnishingfwaterfforffirefextinguish
mentftofsupplementfexistingfwaterfsupplies.
2. systemfcontrolfvalve:fvalvefcontrollingfflowftofwater-basedffirefprotectionfsys-ftems.
3. firefcommandfcenter:fDesignatedfroomforfareafinfafstructurefwherefthefstatusfofftheffirefdet
ection,falarm,fandfprotectionfsystemsfisfdisplayedfandfthefsystemsfcanfbefmanuallyfcontrolle
d.
4. Firefpump,fautomaticfstandpipe.:fAffirefpumpflocatedfatforfbelowfstreetflevelfthatfsupplies
ftheflowerf300ffeetf(91.4fm)foffafstandpipefsystemforfafcombinedfstandpipefandfsprinklerfsyst
em.
5. tags:fonfclosedfsectionfvalvesfservingfaffectedfareas:fareafaffected,fbrieffdescrip-
ftion,foccupancyfclassification,fcfoffffnumber,festimatedftimefuntilfoperational
6. Greenftag:fnofimpairmentffoundfinfentirefsystem-fmainfcontrolfvalve
7. redftag:fplacefonfmainfcontrolfvalvefiffFULLYfoutfoffservice...fputfsprinklerfcompanyfname,f
datefoffremovalffromfservicefandfanticipatedftimeftofoperational
8. bluefdisk:fpartiallyfoutfoffservice-fonfallffirefdepartmentfconnections
9. waterfstorageftank:fCollectsfcooledfwater
10. OSf&fYfvalve:findicatingftypefoffcontrolfvalvefusedfforffirefsprinklerfsystem
11. delugefvalve:fwaterfsupplyfcontrolfvalvefintendedftofbefoperatedfbyfactuationfoffanfautom
aticfdetectionfsystemfthatfisfinstalledfinfthefsamefareafasfthefdischargefdevices.fINTENDEDfUSEf
ISfMANUALfANDfAUTO
12. delugefsprinklerfsystem:femployingfopenfsprinklersfthatfarefattachedftofafpipingfsystemft
hatfisfconnectedftofafwaterfsupplyfthroughfafvalvefthatfisfopenedfbyfthefoperationfoffafdetectionfs
ystemfinstalledfinfthefsamefareasfasfthefsprinklers.fWHENfITfOPENS,fwaterfflowsfintofthefpiping
fsystemfandfdischargesffromfallfsprinklersfattached.
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Download Fire Sprinkler Systems: Components, Types, and Operation and more Exams Nursing in PDF only on Docsity!

S12 sprinkler test, S13 standpipe test, Sprinklers segment 5

Final Test Questions and Answers 100% Verified

  1. firefdepartmentfconnection:f normallyfonfexteriorfoffbuilding...fFDNYfcanfpumpfsupplement alfwaterfintofthefsprinklerfsystem,fstandpipe,forfotherfsystemffurnishingfwaterfforffirefextinguish mentftofsupplementfexistingfwaterfsupplies.
  2. systemfcontrolfvalve:f valvefcontrollingfflowftofwater-basedffirefprotectionfsys-ftems.
  3. firefcommandfcenter:f Designatedfroomforfareafinfafstructurefwherefthefstatusfofftheffirefdet ection,falarm,fandfprotectionfsystemsfisfdisplayedfandfthefsystemsfcanfbefmanuallyfcontrolle d.
  4. Firefpump,fautomaticfstandpipe.:f Affirefpumpflocatedfatforfbelowfstreetflevelfthatfsupplies ftheflowerf 300 ffeetf(91.4fm)foffafstandpipefsystemforfafcombinedfstandpipefandfsprinklerfsyst em.
  5. tags:f onfclosedfsectionfvalvesfservingfaffectedfareas:fareafaffected,fbrieffdescrip- ftion,foccupancyfclassification,fcfoffffnumber,festimatedftimefuntilfoperational
  6. Greenftag:f nofimpairmentffoundfinfentirefsystem-fmainfcontrolfvalve
  7. redftag:f placefonfmainfcontrolfvalvefiffFULLYfoutfoffservice...fputfsprinklerfcompanyfname,f datefoffremovalffromfservicefandfanticipatedftimeftofoperational
  8. bluefdisk:f partiallyfoutfoffservice-fonfallffirefdepartmentfconnections
  9. waterfstorageftank:f Collectsfcooledfwater
  10. OSf&fYfvalve:f indicatingftypefoffcontrolfvalvefusedfforffirefsprinklerfsystem
  11. delugefvalve:f waterfsupplyfcontrolfvalvefintendedftofbefoperatedfbyfactuationfoffanfautom aticfdetectionfsystemfthatfisfinstalledfinfthefsamefareafasfthefdischargefdevices.fINTENDEDfUSEf ISfMANUALfANDfAUTO
  12. delugefsprinklerfsystem:f employingfopenfsprinklersfthatfarefattachedftofafpipingfsystemft hatfisfconnectedftofafwaterfsupplyfthroughfafvalvefthatfisfopenedfbyfthefoperationfoffafdetectionfs ystemfinstalledfinfthefsamefareasfasfthefsprinklers.fWHENfITfOPENS,fwaterfflowsfintofthefpiping fsystemfandfdischargesffromfallfsprinklersfattached.
  1. Earlyfsuppresionffastfresponsefsprinklers:f fastfresponsefsprinklerfthatfisflistedfforfitsfc apabilityftofprovideffirefsuppressionfoffspecificfhighfchallengeffirefhazards
  2. extraflargeforificefsprinklers:f =forf>f 1 finchflessfpressureftofachievefafgivenfdischargefden sity
  3. extendedfcoveragefsprinkler:f 400 fmaxfsquareffeetfdischargef 20 ffootfbyf 20 ffootfspacingf betweenfsprinklers
  4. firefpump:f afproviderfoffliquidfflowfandfpressurefdedicatedftoffirefprotection.fAffirefpumpfisf afpartfoffaffirefsprinklersfsystemfwaterfsupplyfandfcanfbefpoweredfbyfelectric,fdieselforfsteam.fc onnectedftofpublicfwaterfsourceforftank.fprovidesfhigherfpressureftofsprinklerfsystem

anfthefnominalfthreadfsizefoffthefsprinklerfhead.

  1. PipefSchedulefSystems:f Afmethodfoffsizingfpipingfbasedfuponfthefnumberfoffsprinklerfhea dsfandfthefoccupancyfoffthefprotectedfarea.
  2. PreactionfSprinklerfSystem:f Afsprinklerfsystemfemployingfautomaticfsprin- fklersfthatfarefattachedftofafpipingfsystemfthatfcontainsfairfthatfmayforfmayfnotfbefunderfpressu re,fwithfafsupplementalfdetectionfsystemfinstalledfinfthefsamefareasfasfthefsprinklers.
  1. PressurefControlfValve:f Afpilotfoperatedfpressurefreducingfvalvefthatfmayfbefusedfwithfaffir eforfboosterfpumpfdesignedfforfthefpurposefoffpreventingfthefincomingfwaterfsupplyfpressureffro mfdroppingfbelowfafsetfpressure.
  2. Pressure- ReducingfValve:f Afvalvefdesignedfforfthefpurposefoffreducingfthefdownstreamfwaterfpressure funderfbothfflowingf(residual)fandfnonflowingf(static)fconditions.
  3. PressurefRelieffValve:f Afvalvefdesignedfforfthefpurposefoffreleasingfexcessfairforfwaterfpress ureffromfthefFirefProtectionfPipingfSystem.
  4. PressurefTank:f Aftankfusingfairfpressureftofsupplyingfwaterfforfwater- basedffirefprotectionfsystems.fTankfcontentsftofbefmaintainedfatfonefthirdfairftoftwofthirdsfwater .
  5. QuickfResponsefSprinklerfHead:f Afsprinklerfhavingfaffusibleflinkfwithfafre- fsponseftimefindexf(RTI)foff 50 forfless.
  6. RecessedfSprinkler:f Afsprinklerfinfwhichfallforfpartfoffthefbody,fotherfthanfthefshankfthread, fisfmountedfabovefthefceiling.
  7. ResidentialfSprinkler:f Aftypefofffastfresponsefsprinklerfthatfhasfbeenfspecif- ficallyftestedftofenhancefsurvivabilityfinfthefroomfofffireforiginfandflistedfforfusefinfdwellingfunit s.
  8. ResponsefTimefIndexf(RTI):f Afmeasurementfoffthefthermalfsensitivityfoffafsprinklerfhea dfexpressedfinf(meters-seconds)f1/2.
  9. Supervisoryfsignal:f Afsignalfindicatingfthefneedfforfactionforfthefusefoffsuchfdevicefinfconn ectionfwithfthefsupervisionfofffirefalarmfsystemsforfthefmaintenanceffeaturesfoffrelatedfsystem s.
  10. Smallforificefsprinklers:f Afsprinklerfheadfwithfandforificefsizefsmallerfthanf1D2"
  11. SolderfLinkfSprinkler:f Afsprinklerfoperatedfbyfthefmeltingfoffafmetalflink,ftheyfvaryfinfsizefan dfconfigurationfforfquickfresponsefandfstandardfresponsefsprinklers.fThefsmallerfthefsizefoffthef link,ftheffasterfthefsprinklerfoperates.
  12. SprayfSprinkler:f Aftypefoffsprinklerflistedfforfitsfcapabilityftofprovideffirefcontrolfforfafwidefran gefofffirefhazards.fThefmostfcommonlyfusedfsprinklerfsincef1953.
  13. StandardfResponsefSprinklerfHead:f Afsprinklerfhavingfaffusibleflinkfwithfafresponseftim
  1. UprightfSprinkler:f Afsprinklerfdesignedftofbefinstalledfinfsuchfafwayfthatfthefwaterfsprayfis fdirectedfupwardsfagainstfthefdeflector.
  2. WaterfSprayfFixedfSystem:f Afspecialffixedfpipefsystemfconnectedftofafreliableffirefprotectio nfwaterfsupplyfandfequippedfwithfwaterfsprayfnozzlesfforfspecificfwaterfdischargefandfdistributio nfoverfthefsurfaceforfareaftofbefprotected.
  3. PREACTIONfSPRINKLERfSYSTEMS:f designedfforfsituationsfwhereftherefisfdangerfoffseriou sfwaterfdamage.fWaterfdamagefisfusuallyfcausedfbyfdamagedfsprinklersforfbrokenfpiping.fUnde rfnormalfconditionsftherefisfnofwaterfinfthefpiping.fThefairfinfthefpipingfmayforfmayfnotfbefisfunderfpr essure.fAfpreactionfvalvefpreventsfthefwaterffromfenteringfthefsystem.fThefvalvefisfautomaticallyf openedfwhenfaffirefdetectionfsystemfdiscoversfthatftherefisfaffireforfsmokefcondition.fThefpreac tionfvalvefisftrippedfbyftheffirefdetectionfsystemfbeforefanyfoffthefsprinklerfheadsfopen.fAfsupervi soryfdevicefsignalsfwhenfthefvalvefisfopened.fThefpreactionfvalvefcanfalsofbefoperatedfmanually.
  4. DELUGEfSPRINKLERfSYSTEMS:f equippedfwithfopenfsprinklerfheadsfde- fsignedftofwetfdownfanfentirefareafinvolvedfinfaffire.fThisfsystemfisfneededfwhenftherefisfdangerfo ffaffirefrapidlyfspreadingfthroughoutfthefbuilding.fThefdelugefsystemfwillfslowfdownfthefspreadfofft heffire.fDelugefsystemsfarefsuitablefforfhazardousfoccupancies.fThisfincludesfbuildingsfinfwhic hfflammablefliquidsforfotherfhazardousfmaterialsfarefhandledforfstored. Thefsprinklerfheadsfinfthefdelugefsystemfarefopenfatfallftimes.fUnderfnormalfconditionsftherefisfn ofwaterfinfthefpiping.fThefairfinfthefpipingfisfnotfunderfpressure.fAfclosedfcontrolfvalvefpreventsfwat erffromfflowingfintofthefsystem.fAffirefdetectionfdevicefautomaticallyfopensfthefcontrolfvalvefwhe nfaffirefisfidentified.fAfsupervisoryfdevicefsignalsfwhenfthefvalvefisfopened.fWhenfthefvalvefisfopene dfwaterfflowsfintofthefsystem.fThefwaterfisfthenfdischargedfoutfallfoffthefsprinklerfheads.fThefwate rfcontrolfvalvefmayfalsofbefopenedfmanually.
  5. NON- AUTOMATICfDRYfSPRINKLERfSYSTEMS:f llfpipesfarefnormallyfdry.fWaterfisfsuppliedfwhenfneed edfbyfpumpingfwaterfintofthefsystemfthroughfthefFirefDepartmentfconnection.fSomefoffthesefsy stemsfarefsuppliedfbyfmanualfoperationfoffafwaterfcontrolfvalvefandfmayfbefequippedfwithfsprin klersfwithforfwithoutffusibleflinks. Therefarefseveralfnon-automaticfsystems:f1)fPerforatedfpipefsystemsf- fafsingleflinefoffpipingfdrilledfatfintervalsfforfwaterfdischarge.fThesefsystemsfarefusuallyffoundfinfb

asementsforfotherfareasfdifficultftofreachfinffireffightingfoperations.f2)fOpenffixedfsprayfnozzlesf forftransformerfvaultsforfotherfhazardousfareas;f3)fexteriorfexposurefsprinklersf(orfwindowfsprin klers)fusefopenfsprinklerfheadsftofformfanfexternalfwater

  1. AlarmfRetardingfDevices:f Anfalarmfcheckfvalvefthatfisfexposedftofchangingfwaterfsupplyfp ressurefneedsfanfalarmfretardingfdevice.fThisfisfrequiredftofpreventffalsefalarmsfwhenfthefchec kfvalvefclapperfisfliftedffromfitsfseatfbyfaftemporary

pressurefsurge.fVaneftypefwaterfflowfswitchesfsensitivityfcanfalsofbefadjustedftofchangingfwaterf pressures.

  1. ThefCentrifugalfPump:f Thefcentrifugalffirefpumpfisfthefstandardfpumpfcurrent- flyfusedfinffirefprotectionfsystems.fThisfisfthefpreferredfpumpfbecausefitfisfreliable,fcompact,fre quiresflowfmaintenance,fandfitfcanfbefpoweredfbyfafvarietyfoffdriversfincluding:felectricfmotors ,finternalfcombustionfengines,fandfsteamfturbines
  2. ThefVerticalfTurbinefPump:f Afverticalfturbinefpumpfisfreallyfafmodifiedfcen- ftrifugalfpumpfthatfhasfthefcapabilityftofdrawfwaterffromfstreams,fponds,fwellsfetc.fUnlikefthefst andardfcentrifugalfpump,fthefverticalfturbinefpumpfdoesfnotfneedfthefsuctionfsupplyftofbefund erfpressurefforfitftofoperate.fInsteadfitfdrawsfthefwaterfintofthefpumpfbyfsuction.fThefwaterfisfdraw nfintofthefpump.fWhenfitfreachesfthefrotatingfimpellersfthefwaterfpressurefisfincreasedfandfthenff orcefullyfdischargedfintoftheffirefprotectionfsystem.
  3. PumpfActivation:f Affirefpumpfcanfbefstartedfautomaticallyforfmanually.fThefpumpfcanfbefs tartedfautomaticallyfbyfanfelectricfcontrollerforfanfenginefcontroller.fThesefcontrollersfactivatef thefpumpfwhenftherefisfafdropfoffwaterfpressureforfwaterfflowfinftheffirefprotectionfsystem.
  4. PressurefMaintenancefPumpsf(JockeyfPumps):f Pressurefmaintenancefpumps, Someftimesfreferredftofasfjockey,forfmakeupfpumps,farefoftenffoundfonfsprinklerfsystems.fThesef pumpsfarefdesignedftofautomaticallyfoperatefwhenftherefisfafslightfdropfinfpressurefdueftoftheflea kagefinfthefsystemforfafpressurefsurge.fThefjockeyfpumpfrestoresfthefpressurefinftheffirefprotectio nfsystemftofthefdesiredflevel.fWhenfthefdropfoffpressurefinfthefsystemfgreaterfthanfthefcapacityfoff thefjockeyfpumpftheffirefpumpfisfactivated.
  5. Boosterfpumps/specialfservicefpumps:f Boosterfpumpsfarefsometimesfusedfinfsprinklerfs ystems.fTheyfsmallfpumpsfwithflimitedfpowerfarefusuallyflocatedfinfthefbasementforftakingfsuct ionffromfgravityftanks.fThefboosterfpumpfisfusedfwhenfthefwaterfpressurefavailablefatfthefhighe stfsprinklerfheadfdoesfnotfquitefmeetfthefneedsfoffthefsprinklerfsystem.fThisfsmallfpumpfincreas esfthefwaterfpressurefinfthefsprinklerfsystemfuntilfitfreachesfacceptableflevels.fThefboosterfpum pfshouldfnotfbefconfusedfwithftheffirefpumpforfthefjockeyfpump.
  6. Sprinklerfsystemfpiping:f Branchflinesfarefdirectlyfconnectedftofsprinklerfheads. Crossfmainsforfloopfmainsfarefdirectlyfconnectedftofbranchflines.fFeedfmainsfarefdirectlyfconne ctedftofcrossfmainsforfloopfmains.fRisersfarefableftofsupplyffeedfmainsforfcrossfmainsfdirectly.
  1. fullfflowftest:f performedfeveryf 5 fyears:
  2. openfmainfvalveftofletfdebrisfescape,fthenfclose
  3. systemfairfafndfwaterfpressruefrecorded.
  4. relievefpressurefbyfopeningfinspectorftestfvalvef(usefstopwatch)
  5. atfdryfpipefvalvefnotefairefpressurefwhichfvalveftripsfanfnoteftime
  6. atfinspectorsftestfnoteftimefthatfwaterfflowsfsteadily.
  7. testfterminatedfwhenfcleanfwaterfflowsf(shitfvalve) compareftofpastftests
  8. firefhydrant:f Afvalvefconnectionfonfafwaterfsupplyfsystemfhavingfoneforfmorefoutletsfandfth atfisfusedftofsupplyfhosefandffirefdepartmentfpumpsfwithfwater.
  9. Controlfvalve:f Afvalvefcontrollingfflowftofwaterfbaseffirefprotectionfsystem.fControlfvalv efdofnotfincludefhosefvalves
  10. Firefpumpflocations:f theffirefpumpfshouldfbeflocatedfinfafplacefthatfisfnoncom- fbustibleforffirefresistant.fhasftofbefheatedftofafminimumfoff 40 fdegreesfFahrenheit.
  11. Gravityftanksfshouldfbefhowfhighfabovefthefhighestfsprinklerfhead?:f 25 ffeet.
  12. Whatfarefthefthreefmethodsftofheatingfafgravityftank:f HotfwaterfcirculationfSteamfisfdisc hargedfdirectlyfintoftheftank steamfcoilsfarefplacedfinsideftheftanksfHeatffromf thefsunfisfused
  13. Automaticffillfpumpsfsupplyfthefwaterftofmostfgravityftanks.fThefpumpsffillftheftankfatfafra tefof ______________________ gpm:f 65
  14. Centrifugalfpumpfcanfpumpfatfafratefof:f 25 ftof 5000 fgallonsfperfminute
  15. whatfisfaffirefhydrant?:f Afvalvefconnectionfonfafwaterfsupplyfsystemfhavingfoneforfmorefout letsfandfthatfisfusedftofsupplyfhosefandffirefdepartmentfconnectionsfwithfwater.
  16. Whatfisfthefpurposefoffgatefvalves?:f Afvalvefcontrollingfflowftofwaterfbasedffirefprotectionf systems.fIsfusedftofisolate,shutfoff,fandfopenfsprinklerfsystems.
  17. Whichfoptionfbestfdescribesfafthefterm:fOperational:f Waterfavailability
  18. AnfAutomaticfStandpipefSystemfis:f Afstandpipefsystemfthatfisfattachedftofafwaterfsupplyfc apablefoffsupplyingfthefsystemfdemandfatfallftimesfandfthatfrequiresfnofactionfotherfthanfopeni

ngfafhosefvalveftofprovidefwaterfatfhosefconnections.

  1. Auxiliaryfwaterfsupply:f supplementaryfsourcefoffwaterfforfafstandpipefand/orfsprinklerfsys tem.
  2. ControlfValve:f Afvalvefcontrollingfflowftofwater- basedffirefprotectionfsystems.fControlfvalvesfdofnotfincludefhosefvalves,finspector'sftestfvalves ,fdrainfvalves,ftrimfvalvesfforfdryfpipe,fpre- actionfandfdelugefvalves,fcheckfvalves,forfrelieffvalves.

em.

  1. HosefConnection:f afcombinationfoffequipmentfprovidedfforfconnectionfoffafhoseftofthef standpipefsystemfthatfincludesfafhosefvalvefwithfafthreadedfoutlet.
  1. AnfAttackfHosefis:f Hosefdesignedftofbefusedfbyftrainedffireffightersfandffirefbrigadefmem bersftofcombatffiresfbeyondfthefincipientfstage.
  2. AfBoosterfHosefis:f Afnon- collapsiblefhosefusedfunderfpositivefpressurefhavingfanfelastomericforfthermoplasticftube,fafbr aidedforfspiraledfreinforcement,fandfanfouterfprotectivefcover.
  3. AfCoveredfHosefis:f Afhosefwithfafjacketfcoveredfandflinedfwithfafcontinuousfsyntheticfrub berforfplastic.fThefcoverfisfusuallyfthickerfthanfafcoating.
  4. AfFirefHosefis:f Afflexiblefconduitfusedftofconveyfwater.
  5. HosefValve:f Thefvalveftofanfindividualfhosefconnection
  6. OccupantfUsefHose:f Firefhosefdesignedftofbefusedfbyfthefbuilding'sfoccupantsftoffightfincipi entffiresfpriorftofthefarrivalfofftrainedffireffightersforffirefbrigadefmembers.
  7. UnlinedfHose:f Afhosefconsistingfoffonlyfafwovenfjacketfthatfisfusuallyfofflinenfyarnsfandfisfof fsuchfqualityfthatfthefyarnfswellsfwhenfwet,ftendingftofsealfthefhose.
  8. HosefSize:f Anfexpressionfoffthefinternalfdiameterfoffthefhose.
  9. HosefStation:f afcombinationfoffafhosefrack,fhosefnozzle,fhose,fandfhosefconnection.
  10. InfService:f Thefstatusfoffhosefstoredfinfafhosefhouse,fonfafrackforfreel,forfonfaffirefapparatu sfthatfisfavailablefandfreadyfforfimmediatefusefatfanfincident.
  11. InfStorage:f Afhosefthatfisfnotfreadilyfavailablefforfusefbecausefitfisfnotfatfthefscenefoffanfin cidentfandfnotfloadedfonfafvehiclefthatfcanftransportfitftofthefscene.
  12. InfUse:f Hosefbeingfusedfduringffirefsuppressionforfduringftraining.
  13. ImpairmentfCoordinator:f Thefpersonfresponsiblefforfensuringfthatfproperfsafetyfprecaut ionsfareftakenfwhenfaffirefprotectionfsystemfisfplacedfoutfoffservice.
  14. Labeled:f Equipmentforfmaterialsftofwhichfhasfbeenfattachedfaflabel,fsymbolforfotherfide ntifyingfmark.
  15. ListedfDevice:f Affirefprotectionfcomponentfthatfhasfbeenftestedftofperformfunderfpara metersfspecifiedfforfitsfusefbyfafnationallyfrecognizedftestingfagency.
  16. ManualfStandpipe:f Standpipefsystemfthatfreliesfexclusivelyfonftheffirefdepart- fmentfconnectionftofsupplyfthefsystemfdemand.
  17. MainfDrain:f Thefprimaryfdrainfconnectionflocatedfonfthefsystemfriserfandfalsofutilizedfasfaff lowftestfconnectionfforfthefautomaticfsprinklerfsystem.
  1. Outfoffservicefsystem:f Affirefprotectionfsystemfthatfisfnotffullyffunctional;forfwhosefopera tionfisfimpairedforfisfotherwisefnotfinfgoodfworkingforder.
  2. PersonalfSupervision:f Supervisionfbyfthefholderfoffafdepartmentfcertificatefwhofisfrequir edftofbefpersonallyfpresentfonfthefpremises,forfotherfproximateflocationfacceptableftofthefdepart ment,fwhilefthefdutiesfforfwhichfthefcertificatefisfrequiredfisfbeingfperformed
  3. Poundsfperfsquarefinchf(PSI):f afunitfoffpressurefmeasuringfforcefperfunitfarea.
  4. PressurefControlfValve:f Afpilotfoperatedfpressurefreducingfvalvefthatfmayfbefusedfwithfaffir eforfboosterfpumpfdesignedfforfpreventingfthefwaterfsupplyfpressureffromfdroppingfbelowfafsetf pressure.
  5. Pressure- ReducingfValve:f Afvalvefdesignedfforfthefpurposefoffreducingfthefdownstreamfwaterfpressuref underfbothfflowingf(residual)fandfnonfflowingf(static)fconditions.
  6. PressurefRegulatingfDevice:f Afdevicefdesignedfforfthefpurposefoffreducing,fregulatingfco ntrolling,forfrestrictingfwaterfpressure.
  7. PressurefRestrictingfDevice:f Afvalveforfdevicefdesignedfforfthefpurposefoffreducingfthefd ownstreamfwaterfpressurefunderfflowingf(residual)fconditionsfonly.
  8. PressurefRelieffValve:f Afvalvefdesignedfforfthefpurposefoffreleasingfexcessfairforfwaterfpr essureffromfthefFirefProtectionfPipingfSystem.fPressurefrelieffvalvefisfnotfafpressurefreducingfv alve.
  9. ServicefTest:f Hydrostaticftestfconductedfbyfusersfonfallfin- servicefhoseftofdeterminefsuitabilityfforfcontinuedfservice.
  10. Standpipe,fMulti- Zone:f Afstandpipefsystemfthatfisfverticallyfsubdividedfasfrequiredfbyfthefconstructionfcodes, fincludingfthefBuildingfCode,fintofzonesftoflimitfthefmaximumfoperatingfpressurefinfthefsyste m.fEachfzonefwillfhavefitsfownfindividualfautomaticfwaterfsupply.
  11. StandpipefSystem:f Anfarrangementfoffpiping,fvalves,fhosefconnections,fandfalliedfequip mentfinstalledfinfafbuildingforfstructure,fwithfthefhosefconnectionsflocatedfinfsuchfafmannerfth atfwaterfcanfbefdischargedfinfstreamsforfspray.
  12. CombinationfStandpipefandfSprinklerfSystem:f Afsystemfwhereftheffirefpro- ftectionfpipingfservicesfbothfoutletsfforffirefdepartmentfusefandfoutletsfforfautomaticfsprinklers.
  1. StaticfPressure:f Thefmeasurementfoffsystemfpressurefunderfnonfflowfcondi-ftions
  2. Strainer:f Afdevicefcapablefoffremovingffromfthefwaterfallfsolidsfoffsufficientfsizefthatfaref obstructingfwaterfsprayfnozzles.