Designation:D7877−14StandardGuideforElectronicMethodsforDetectingandLocatingLeaksinWaterproofMembranes1ThisstandardisissuedunderthefixeddesignationD7877;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidedescribesstandardproceduresforusingelectricalconductancemeasurementmethodstolocateleaksinexposedorcoveredwaterproofmembranes.1.2Thisguideaddressestheneedforageneraltechnicaldescriptionofthecurrentmethodsandproceduresthatareusedtotestandverifytheintegrityofwaterproofmembranes.1.3Thisguideisnotintendedtoreplacevisual,infrared,orothermethodsofinspection.Itistobeusedinconjunctionwithothermethodsofroofinspectionwhenspecified.1.4Thisguiderecommendsthattheleaklocationequipment,procedures,andsurveyparametersusedarecali-bratedtomeetestablishedminimumleakdetectionsensitivity.Theleakdetectionsensitivitycalibrationshouldbeverifiedonaregularbasisaccordingtothemanufacturer’srecommenda-tions.1.5Leaklocationsurveyscanbeusedonwaterproofingmembranesinstalledinroofs,plazadecks,pools,waterfeatures,coveredreservoirsandotherwaterproofingapplica-tions.1.6Theproceduresareapplicableformembranesmadeofmaterialssuchaspolyethylene,polypropylene,polyvinylchloride,bituminousmaterial,andotherelectricallyinsulatingmaterials.1.7Thisguideprovidesageneraldescriptionoftheequip-mentandmethodsforlocatingmembranebreachesusingelectricconductance.Refertothemanufacturer’sinstructionsfortheproperoperationanduseoftheequipmentdescribedinthisguide.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1079TerminologyRelatingtoRoofingandWaterproofingD5957GuideforF...
