Designation:C1504−16StandardSpecificationforManufactureofPrecastReinforcedConcreteThree-SidedStructuresforCulvertsandStormDrains1ThisstandardisissuedunderthefixeddesignationC1504;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverssingle-cellprecastconvention-allyreinforcedconcretethree-sidedstructuresintendedtobeusedfortheconstructionofculvertsandfortheconveyanceofstormwater.1.2AcompletemetriccompaniontoSpecificationC1504hasbeendeveloped—C1504M;therefore,nometricequiva-lentsarepresentedinthisspecification.NOTE1—Thisspecificationisprimarilyamanufacturingandpurchas-ingspecification.Thesuccessfulperformanceofthisproductdependsupontheproperselectionofthegeometricsection,bedding,backfill,andcarethattheinstallationconformstotheconstructionspecifications.Thepurchaseroftheprecastreinforcedconcretethree-sidedstructurespecifiedhereiniscautionedthatpropercorrelationoftheloadingconditionsandthefieldrequirementswiththegeometricsectionspecifiedandprovisionsforinspectionattheconstructionsitearerequired.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.2.ReferencedDocuments2.1ASTMStandards:2A1064/A1064MSpecificationforCarbon-SteelWireandWeldedWireReinforcement,PlainandDeformed,forConcreteA615/A615MSpecificationforDeformedandPlainCarbon-SteelBarsforConcreteReinforcementA706/A706MSpecificationforDeformedandPlainLow-AlloySteelBarsforConcreteReinforcementC31/C31MPracticeforMakingandCuringConcreteTestSpecimensintheFieldC33/C33MSpecificationforConcreteAggregatesC39/C39MTestMethodforCompressiveStrengthofCylin-dricalConcreteSpecimensC150/C150MSpecificationforPortlandCementC260/C260MSpecificationforAir-EntrainingAdmixturesforConcreteC309SpecificationforLiquidMembrane-FormingCom-poundsforCu...
