Designation:F1797−18StandardTestMethodforAcousticEmissionTestingofInsulatedandNon-InsulatedDiggerDerricks1ThisstandardisissuedunderthefixeddesignationF1797;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversaprocedureforacousticemis-sion(AE)testingofdiggerderricks.1.1.1EquipmentCovered—Thistestmethodappliestospe-cialmultipurposevehicle-mountedmachines,commonlyknownasdiggerderricks.Thesemachinesareprimarilydesignedtodigholes,setpoles,andpositionmaterialsandapparatus.1.1.1.1Insulatedandnon-insulatedtypediggerderricksmaybeevaluatedwiththistestmethod.1.1.1.2Diggerderricks,ifsoequippedtopositionpersonnelorequipment,orboth,mayalsobeevaluatedwiththistestmethodinconjunctionwithTestMethodF914.1.1.2EquipmentNotCovered—Excludedfromthistestmethodaregeneral-purposecranesdesignedonlyforliftingserviceandmachinesprimarilydesignedonlyfordiggingholes.1.2TheAEtestmethodisusedtodetectandarea-locateemissionsources.Verificationofemissionsourcesmayrequiretheuseofothernondestructivetest(NDT)methods,suchasradiography,ultrasonic,magneticparticle,liquidpenetrant,andvisualinspection.1.3Warning—Thistestmethodrequiresthatexternalloadsbeappliedtothesuperstructureofthevehicleundertest.Duringthetest,cautionmustbetakentosafeguardpersonnelandequipmentagainstunexpectedfailureorinstabilityofthevehicleorcomponents.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom...
