Designation:E1890−11(Reapproved2015)StandardGuideforValidatingNewAreaReferenceSkidMeasurementSystemsandEquipment1ThisstandardisissuedunderthefixeddesignationE1890;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversvalidatingareareferenceskidmea-surementsystems(ARSMS)andrelatedequipment.Thesesystemshavebeenusedsince1976toevaluateandcorrelateTestMethodE274skidmeasurementsystemsusedprimarilyasapavementmanagementtoolbystateDepartmentsofTrans-portation.Also,thisguideprovidesguidelinesfortherevali-dationprocessfollowingthereplacementofcomponentswithinanARSMS.1.2Thisguideisofferedasaprocesstoidentifyandquantifythevariablesthataffectsystemperformance,tominimizetheeffectofthesevariables,andtoprovideamethodofvalidatinganewARSMStoreplaceanexistingARSMSthathasprovidedqualitycorrelationdataforaverylongtime.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandardsincetheARSMSwillbecomparedwithstatedepartmentsoftransportationsystemsthatallcurrentlyuseinch-poundunits.Thevaluesgiveninparenthesesaremath-ematicalconversionstoSIunitsthatareprovidedforinforma-tiononlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E274TestMethodforSkidResistanceofPavedSurfacesUsingaFull-ScaleTireE501SpecificationforRibTireforPavementSkid-ResistanceTestsE556TestMethodforCalibratingaWheelForceorTorqueTransducerUsingaCalibrationPlatform(UserLevel)E867TerminologyRelatingtoVehicle-PavementSystemsF377PracticeforCalibrationofBraking/TractiveMeasuringDevicesforTestingTiresF457TestMethodforSpeedandDistanceCalibrationof...
