Designation:D4227−05(Reapproved2017)StandardPracticeforQualificationofCoatingApplicatorsforApplicationofCoatingstoConcreteSurfaces1ThisstandardisissuedunderthefixeddesignationD4227;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeprovidesastandardqualifyingmethodforcoatingapplicatorstoverifytheirproficiencyandabilitytoattaintherequiredqualityforapplicationofspecifiedcoatingstoconcretesurfacesincludingthoseinsafety-relatedareasinanuclearfacility.1.2Variationsorsimplificationsofthepracticesetforthhereinmaybeappropriateforspecialcoatingworksuchasmaintenance.Itisnottheintentofthispracticetomandateasingularbasisforallqualifications.1.3Evaluationofthecoatingapplicatorbeingqualifiedinaccordancewiththispractice,shallbebyqualifiedagentsasspecifiedin4.1.ReportsshallbepreparedasspecifiedinSection5,andqualificationasspecifiedinSection6.1.4Itistheintentofthispracticetojudgeonlytheabilityofthecoatingapplicatortoapplyspecifiedcoatingswiththepropertoolsandequipment.1.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.Terminology2.1Definitions:2.1.1coatingapplicator,n—anindividualwhohasworkedinthepaintingtradesufficientlylongenoughtomastertheuseofallapplicable...