Designation:D7655/D7655M−12StandardClassificationforSizeofAggregateUsedasBallastforMembraneRoofSystems1ThisstandardisissuedunderthefixeddesignationD7655/D7655M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisclassificationdefinestheaggregatesizedesigna-tionsandrangesinmechanicalanalysesforstandardsizesofaggregateusedasballastformembraneroofsystems.1.2Thetextofthisclassificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.3Withregardtosievesizesandthesizeofaggregateasdeterminedbytheuseoftestingsieves,thevaluesininch-poundunitsareshownfortheconvenienceoftheuser;however,thestandardsievedesignationsshowninparenthesesisthestandardvalueasstatedinSpecificationE11.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C136TestMethodforSieveAnalysisofFineandCoarseAggregatesD75PracticeforSamplingAggregatesD1079TerminologyRelatingtoRoofingandWaterproofingE11SpecificationforWovenWireTestSieveClothandTestSieves2.2ANSI/SPRIStandard:3RP-4WindDesignStandardforBallastedSingle-plyRoof-ingSystems3.Terminology3.1Definitions—Fordefinitionsoftermsusedinthisspecification,refertoTerminologyD1079.4.SignificanceandUse4.1Thewindresistanceofballastedmembraneroofsystems...
