Designation:C94/C94M−17aStandardSpecificationforReady-MixedConcrete1ThisstandardisissuedunderthefixeddesignationC94/C94M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversready-mixedconcreteasde-finedin3.2.2(Note1).Requirementsforqualityofready-mixedconcreteshallbeeitherasstatedinthisspecificationorasorderedbythepurchaser.Whenthepurchaser’srequirements,asstatedintheorder,differfromthoseinthisspecification,thepurchaser’srequirementsshallgovern.Thisspecificationdoesnotcovertheplacement,consolidation,curing,orprotectionoftheconcreteafterdeliverytothepurchaser.NOTE1—ConcreteproducedbyvolumetricbatchingandcontinuousmixingiscoveredinSpecificationC685.Fiber-reinforcedconcreteiscoveredinSpecificationC1116.1.2ThevaluesstatedineitherSIunits,showninbrackets,orinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Asusedthroughoutthisspecificationthemanufacturerproducesready-mixedconcrete.Thepurchaserbuysready-mixedconcrete.1.4Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.5Thisstandarddoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Warning—Freshhydrauliccementi-tiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongeduse.2)1.6Thisinternationalstandardwasdevel...
