Designation:C508/C508M−00(Reapproved2015)AmericanAssociationStateHighwayandTransportationOfficialsStandardAASHTONo.:M189-81IStandardSpecificationforAsbestos-CementUnderdrainPipe1ThisstandardisissuedunderthefixeddesignationC508/C508M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversasbestos-cementperforatedandplainpipeintendedforuseintheconveyanceofdrainagewaterforthesubsurfacedrainageofhighways,airports,farms,foundations,andothersimilardrainagework.1.2Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C150/C150MSpecificationforPortlandCementC458/C458MTestMethodforOrganicFiberContentofAsbestos-CementProductsC500/C500MTestMethodsforAsbestos-CementPipeC595/C595MSpecificationforBlendedHydraulicCementsC608StandardMethodofTestforBrittleRingTensileStrengthofChemicallySettingSilicateandSilicaChemical-ResistantMortars(Withdrawn1983)3C618SpecificationforCoalFlyAshandRaworCalcinedNaturalPozzolanforUseinConcreteD2946TerminologyforAsbestosandAsbestos–CementProducts2.2FederalStandard:No.123MarkingforShipmentCivilAgencies42.3MilitaryStandard:MIL-STD-129MarkingforShipmenta...