Designation:E3157−19StandardGuideforUnderstandingandUsingInformationRelatedtoInstallationofFirestopSystems1ThisstandardisissuedunderthefixeddesignationE3157;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThisguideshould2increasetheawarenessofinformationandapproachesassociatedwithinstallingfirestopsystems.Variousbuildingtrades(alsoknownasconstructiontrades)createopenings(breachesorpenetrations)infire-separatingelementstoaccommodatetheinstallationofexistingorfuturepenetratingitemssuchaspipes,ducts,wires,etc.Thematerialsandmethodsofconstructionusedtosealandprotectopeningscreatedinfire-separatingelementsmustnotreduceitsexistingfire-resistancerating.Multiplebuildingtradesaresometimesinvolvedwiththeprocessofrestoringthefire-resistanceratingofthefire-separatingelement.Oftenthebuildingtrade(forexample,firestopcontractor)responsibleforrestoringthefire-resistanceratingofthefire-separatingelementdidnotcreatetheopening.Thisguideisintendedtohelpidentifyandalleviateproblemsaswellasmisunderstandingsassociatedwiththeinstallationoffirestopsystems.Thisguideisintendedtoprovideinformationtothosethatcreatetheopening,installthepenetratingitemthroughtheopening,installfirestopmaterialsfortheopening,andthosechargedwiththeinspectionofthefirestopsystemduringandafterinstallation.Thisguideproposesaseriesofoptionsorinstructionsthatofferdirectionwithoutrecommendingadefinitecourseofactionfortheinstallationoffirestopsystems.1.Scope1.1Thisguideisacompendiumofinformationrelatedtoinstallingfirestopsystemsinfire-separatingelements.Thisguideisintendedtobeusedtoincreaseindustryknowledgeofnationalandinternationaltestingrequirements,codeprerequisites,andothersupplementalteststhatmaybespecified,whichcanaffecttheinstallationandperformanceoffirestopsystems.1.2Thisguiderelatestotheuseoffi...
