Designation:F1702−10AnAmericanNationalStandardStandardTestMethodforMeasuringImpact-AttenuationCharacteristicsofNaturalPlayingSurfaceSystemsUsingaLightweightPortableApparatus1ThisstandardisissuedunderthefixeddesignationF1702;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisusedtodeterminetheimpact-attenuationcharacteristicsofnaturalturfgrassandsoilplayingsurfacesystemswithalightweightportableapparatus.Thistestmethodcanbeusedtocomparetheimpactattenuationchar-acteristicsofnaturalplayingsurfacesystems,aswellasassessingtheeffectsofmanagementpracticesontheimpactattenuationcharacteristics.Thistestmethodalsocanbeusedtoassessthecompactibilityofnaturalplayingsurfacesbyrecord-ingg-maxvaluesorpenetrationofsuccessiveimpacts,orboth.1.2Thistestmethodprovidesaprocedureforassessingimpactattenuationcharacteristicsinthefield,onbothactualplayingsurfacesandresearchplots.Numericaldatawillnotbecomparabletodataobtainedusingadifferentmissilemassorgeometry,differentdropheight,ordifferentstandardmethod,forexample,TestMethodF1936.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D5874TestMethodforDeterminationoftheImpactValue(IV)ofaSoilE105PracticeforProbabilitySamplingofMaterialsE122PracticeforCalculatingSampleSizetoEstimate,WithSpecifiedPrecision,theAverageforaCharacteristicofaLotorProcessE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMeth...
