Designation:D6092−14StandardPracticeforSpecifyingStandardSizesofStoneforErosionControl1ThisstandardisissuedunderthefixeddesignationD6092;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoverssizedesignationsandmaximumrangesinmassorgradationforstandardsizesforriprap,spalls,orbedding,orboth,usedforslopeprotectionofdamembankments,streambankerosioncontrol,bridgepiersandabutments.Sizesusedforouterharborstructuressuchasbreakwalls,revetments,confineddikeddisposalstructures(heretoforedescribedasarmorstone,coverstone,ordimensionstone)forwhichstonesizesrangebetween5and25tons,orthatrequirecutdimensionsforlayed-upstructuresarebeyondthescopeofthispractice.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.4Thispracticeoffersanorganizedcollectionofinforma-tionoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject’smanyuniqueaspects.Theword“Standard”inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.2.ReferencedDocuments2.1ASTMStandards:2D653TerminologyRelatingtoSoil,Rock,andContainedFluids...