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MFRIOHT's Hoseandappliances Foamandfoamequipment=================================================================PREPARATION: MOTIVATION:0 Thestudentwillbeutilizingbasicconceptsforhoseandappliancesusage.Practiceintheseareaswillensurespeedyandefficientuseonthefireground. OBJECTIVE(SPO):31TPEAF3110 Thestudentwillbeabletodemonstrateutilizinghoselinesandfoamapplicators,frommemory,withoutassistance,toanaccuracyof70%andtheinstructor'ssatisfaction. OVERVIEW:TPEAF3120 HandlingHoselines/FoamApplication *TypesofFuel  *Principles *DeterminingApplicationRate *AssemblingaFoamFireStream *TacticalConsiderationsforFoamOperations *NozzleUsage *AdvancingLine *AssembleFoamEquipment *MethodofApplyingFoamcopyright1996bytheMarylandFireandRescueInstitute.Allrightsreserved.NopartofthisbookmaybecopiedorreproducedinanyformorbyanymeanswithoutwrittenpermissionoftheMarylandFireandRescueInstitute.       &` X hHX&XDSESSION310 @ HANDLINGHOSELINESANDFOAMAPPLICATION@ LECTURE/PRACTICALSPO310 0 Thestudentwillbeabletodemonstrateutilizinghoselinesandfoamapplicators,frommemory,withoutassistance,toanaccuracyof70%andtheinstructor'ssatisfaction.3110 0 Identifythedifferencesbetweenhydrocarbonandpolarsolventfuelsandthetypesoffoamconcentrateforeach.3120 0 Definethebasicprinciplesoffoamgenerationandextinguishment.3130 0 Determinetheminimumapplicationrateforfireextinguishmentwhengivenfuelsurfacesizeandtype,andtypeoffoamconcentrationused.3140 0 Identifyhowtoassemblethecomponentsofafirefoamstreamsystemutilizinganinlinefoamproportioner.3150 0 Describetacticalconsiderationsforfoamoperations.3160 0 Demonstratehowtoopen,close,andadjuststreampatternsandflowsettingsforvarioussizenozzles.3170 0 Demonstrateadvancingahoseline.3180 0 Demonstratetheassemblyandtheoperationofafoamfirestreamarrangement.3190 0 Demonstratethemethodforapplyingafoamstream.(NFPA472,34.4.1) XDI.0 TypesofFuels(311) A.0 Hydrocarbon  1.0 Petroleumbased  2.0 Lighterthanwater  3.0 Vaporssuppressedbyfoamasitfloatsonfuelsurface B.0 Polarsolvent  1.0 Hasattractionforwater(likethatofpositiveandnegativemagneticpoles)  2.0 AlcoholresistantformulationsoffoamnecessaryforextinguishmentII.0 Principles(312) A.0 Extinguishment  1.0 Smotheringpreventingairandflammablevaporsfromcombining  2.0 Separatinginterveningbetweenthefuelandthefire  3.0 Coolingloweringthetemperatureoffuelandadjacentsurfaces  4.0 Suppressingpreventingreleaseofflammablevapors B.0 Generation  1.0 Terms   a.0 Foamconcentraterawliquidincontainer    1)0 5gallonpail    2)0 55gallondrum    3)0 Apparatusstoragetank   b.0 Foameductorusestheventuriprincipletodrawfoamconcentrateintothewatersteam   c.0 Foamproportionerinjectscorrectamountofconcentrateintowatersteamtomakefoamsolution   d.0 Foamsolutionmixtureofconcentrateandwaterdischargefromproportionerthroughthehoseline   e.0 Finishedfoamcompletedproductaftersolutionreachesnozzleandisaerated  2.0 Necessaryelements   a.0 Foamconcentration   b.0 Water(9099%solution)   c.0 AirIII.0 DeterminingApplicationRate(313) A.0 Concentratesmustbeusedonlyatspecificpercentagesforwhichtheyaredesignedtobeproportioned(1,3,6percent) B.0 Percentageconcentrations  1.0 Foamsforhydrocarbonfires16percentconcentrations  2.0 Foamsforpolarsolventfires610percentconcentrations  3.0 Mediumandhighexpansionfoams1,2,or3percentconcentrations  4.0 FFFPorAFFFsmallair/solutionratio5:1to10:1 C.0 Applicationrates  1.0 AFFFandFFFP.10gpmfoamsolutionpersquarefoot  2.0 Polarsolventfires.24gpmfoamsolutionpersquarefoot  3.0 Protein,fluoroproteinfoams.16gpmfoamsolutionpersquarefoot  4.0 Unignitedspillsmayrequirelessapplicationrateduetolackofradiantheat,openflame,orthermaldraft  5.0 Applicationproblem   a.0 12'X100'spillof#2fueloil=1200squarefeet   b.0 AFFFapplicationrate.10gpmsolutionpersquarefootoffire   c.0 120gpmsolution(.10X1200)simplystated:"10%ofthefireareaequalsgpmfoamwatersolution"IV.0 AssemblingaFoamFireStream(inlineproportioner)(314) A.0 Selectproperfoamconcentrateforinvolvedfuel B.0 Checkeductorandnozzleforhydrauliccompatibility C.0 Checkconcentrationlisting  1.0 Mustmatcheductorpercentagerating  2.0 Ifadjustable,settoproperconcentrationsetting D.0 Attacheductortohosecapableofflowingratedcapacityofeductorandnozzle  1.0 Avoidhosekinks  2.0 Preventwaterturbulencethatwilladverselyaffecteductoroperation   a.0 Avoidconnectionstodischargeelbows   b.0 Makesurevalvesarecompletelyopen E.0 Connectattackhoselineandnozzletoeductor F.0 Placeopenfoamconcentratecontainersattheeductorsooperationmaybecarriedoutuninterrupted G.0 Placeeductorsuctionhoseintoconcentratebottomofconcentratemustbenomorethansixfeet(2m)belowtheeductor H.0 Increasedwatersupplypressureasrequired I.0 Atconclusionofoperation,rinseandcleanallfoamappliances,tanks,andpumpswithlukewarmwaterwheneverpossible.0 V.0 TacticalConsiderationsforFoamOperations(315) A.0 Desirablequalitiesoffoam  1.0 Flowsfreelyandcoversfuelsurfacerapidly  2.0 Formstoughcohesiveblanketandisvaportight  3.0 Resistsheatandfuelpickup,thusresistingbreakdown  4.0 Retainsandholdswatertosealagainsthotmetalsurface(wicking) B.0 Tacticalconsiderations(2dimensionalcombustibleandflammableliquidsincidents)  1.0 UtilizeaccountabilityandbuddysystemwithinICS  2.0 UtilizefullprotectiveequipmentincludingSCBA(monitoredbysafetyofficer)  3.0 Preferabletoutilizepairofmatchedairaspiratingnozzles11/3",2"or21/2"attacklines  4.0 Attackfromuphillandupwindwheneverpossible  5.0 Rememberthatfoamlinesdonotprovideanythermalprotectionfromheatforhandlinecrews  6.0 Minimizepersonnelinflammableliquids/rescueareaneverenterunfoamedspillarea  7.0 Vaporseal,onceestablished,mustbemaintained.AFFFdraindowntimefoamquarterlifeisthetimeittakestolose25%ofitswaterthreeminutesinalabtwominutesinafire  8.0 Sunandwindbreakdownfoam,thereforethemorefoamthatisapplied,thelongeritwillblanketthearea  9.0 Continuallyblanketareawhenemergencyservicerespondersandvictimsareinthespillorfirearea  10.0 Establishwellprotectedrescuepathwithbackupfoamlines(21/2"minimum)andturretswheneverpossible(foamshouldatleastcovertoeofboots) C.0 Operations  1.0 Wheneverspillareaorhazardisinvolved,applyfoaminmassivequantity  2.0 Assembleenoughproducttodothejobhalfextinguishedfirecanreignite  3.0 Applyfoamgentlyinarainfall,snowflake,orlobmethod  4.0 Neveraimorplungethestreamintothefuelspill  5.0 Deflectionmethodofbouncingfoamoffobjectspicksupadditionalair  6.0 Applicationoffoamcanbewithawalloffoamwhichispushedgentlyacrossburningliquidsurface(bouncemethod,rollingfoamblanket)  7.0 Nozzleperson    a.0 Watchesanddeliversfoamneverletsgooflineorturnsbacktofire   b.0 Listenstopitchofpumperwhenusingfoameductorcanlistentodetectfoamcontinuity   c.0 Utilizepredeterminedhandsignals  8.0 Caution EMERGENCYSERVICERESPONDERSBEWARE    a.0 Misuseofwateratflammableliquidsfiresuppressionoperationsisthemostcommonmistakecausesbreakupoffoamblanket   b.0 Failuretoapplyenoughfoamonafireforasustainedperiodisthenextprevalentmistake   c.0 Rememberfoamwillnotgenerallyextinguishamoving,spraying,pressurized,flammableliquids,orthreedimensionalfire   d.0 Drychemicalsaremostlikelytostopthecombustionchainreactionofathreedimensionalfire   e.0 Ifairaspiratingfoamnozzlesarenotavailable,utilizefognozzlesonstraightstreampatternsnomorethan30degrees   f.0 Withmostfoamsutilizedatanincident,theresiduemustbehauledoffwithdirt,chemicals,anddebristoahazardouswastesite   g.0 Conductselectricity   NOTE:DONOTWALKINPRODUCT ______________________________________________ PRACTICAL VI.0 NozzleUsage(316) A.0 Openingandclosing  1.0 Movementofbale   a.0 Openandcloseslowlyandsmoothly   b.0 Backtoopen,forwardonnozzle B.0 AdjustpatternmarkingsonnozzleVII.0 AdvancingLine(317) A.0 Bealerttodangers B.0 Procedureforadvancing  1.0 Emergencyservicerespondersonsamesideofline  2.0 Bleedairoutofhoselinebeforeenteringfirearea   a.0 Openbaleslightlywhilewaitingforwater   b.0 SelectproperstreampatternVIII.AssembleFoamEquipment(318) A.0 Foamproduction  1.0 Venturiprincipleusedineductors  2.0 Matchingnozzlewitheductorandproportioner  3.0 Selectingproportioningrate   a.0 Percentlabelingoffoamconcentration   b.0 Ratioofconcentrationtowater B.0 Foamequipment/tools  1.0 Foamnozzles   a.0 Usuallydesignedtoaspirateandshape   b.0 Mayhaveeductor,proportioner,andpickuptubeattached   c.0 Useventuriprinciple   d.0 Foamnozzleandeductormustbematchedforproperfoamsolutionproduction  2.0 Foamnozzletypes   a.0 Airaspirating   b.0 Highexpansiongenerators  3.0 Foameductors   a.0 Inline   b.0 AroundthepumpIX.0 MethodofApplyingFoam(handlinesdependingontypeoffoam)(319) A.0 Approachfireapplyingfoamatedgeoffireallowingittoflowacrosssurface,extinguishingfire B.0 Orapplyoverfireallowingfoamtofallonflames,formingablanket,andextinguishingfire C.0 Orbankfoamoffofwallandallowittoflowandcoverfrombacktofront D.0 Cautiondonotplungefoamstreamintoburningfuelcouldsplashandsprayfuelandfire E.0 Highexpansionfoamrequiresspecialnozzleandtechnique F.0 Whenfireisout,backawayExamples:fueloil,crudeoil,gasoline,jetfuel,etc.Examples:alcohols,acetone,lacquerthinner,ketones,keroseneTFFII813TFFII814Mustbeblendedinproperratioandpressures;absenceofeithermayresultinpoorqualityfoamTFFII8116AlsousedwidelyformitigationofhazardousmaterialsincidentsNFPA#11TFFII8117Easiertoremember1gpmper10squarefeetRatesbasedonflowof15minutesTFFII8118ATFFII8118BTFFII8119TFFII8120EncourageuseoffoambasintomaintaincontinuityoffoamflowTFFII8121TFFII8122UtilizesafetyofficerShorterthequarterlife,themoreunstablethefoamTFFII8123TFFII8124_________________Showdifferentfoamnozzles,explainingdifferences.EductorandnozzlemustbecompatibleDemonstratemaynotbeabletousefoamEPA.CanusesoapsudsordyetoshowprincipleBesurefoamisflowingpriortoapplication.PointnozzleawayfromfireuntilfoamisflowingSUMMARY򀀀 REVIEW:        TPEAF3130 HandlingHoselines/FoamApplication *TypesofFuel *Principles *DeterminingApplicationRate *AssemblingaFoamFireStream *TacticalConsiderationsforFoamOperations *NozzleUsage *AdvancingLine *FoamEquipment *MethodsofApplyingFoam0 0 REMOTIVATION:0 Remindstudentsthattheprompt,efficientadvancementofhoselinesandthedeploymentofportablewatertanksareessentialifasuccessfulattackistobemadeonthefire. ASSIGNMENT:======================================================================0 EVALUATION:0 Observationduringpracticalexercisesandatthefinalexam.