ASTMD23Ll88œ07595100025080bœ&-5l-II@Designation:D2311-88AMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceSt.,Philadelphia,Pa.19103ReprinledfromlheAnnualBookofASTMStandards,CopyrightASTMlinotlistedinthecurrentcombinedIndex,willappearinlhenextedition.StandardSpecificationforPerforated,HomogeneousBituminizedFiberPipeforGeneralDrainage'ThisstandardisissuedunderthefuteddesignationD2311:thenumberimmediatelyfoliowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapprovai.Asuperscriptepsilon(c)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverssolidwallandperforatedstandardstrengthdrainpipewhichinstalledingranular,selectbackfillisusedforgeneralwetspotdrainagesuchas:landreclamation,curtainandbuildingfoundationdrains,underbasementfloors,sumpconductor,downspoutrunoff,swimmingpools,etc.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.2.ReferencedDocument2.1ASTMStandard:D2314MethodsofTestingHomogeneousBituminizedFiberPipe23.MaterialsandManufacture3.1Pipeandcouplingsshallbecomposedofaninter-wovenfibrousstructurethoroughlyimpregnatedwithabituminouscompound.Thewallofthepipeshallbedenseandhomogeneous,withoutseamsorlaminations,andwithasmoothinteriorsurfacefreeofobstructionsandroughorflakyareas.Bendsandfittingsshallbeofthesamematerialasthepipe,orofamaterialhavingequalorbetterphysicalandchemicalcharacteristics.3.2Pipeandfittingsshaiiuseeitherofthefollowingjointsystems:3.2.1TypeTJJoints-Pipeandfittingsshallbeprovidedwithaccuratelymachinedormoldedtaperedjoints,andataper-sleevecouplingshallbeprovidedforeachlengthofpipeandforeachfittingwhereapplicable.Theslopeofthetaperinbothpipeandcouplingshallbe2"(4"includedangle)(seeFig.1).3.2.2TypeBJJoirtts-Pipeandfittingsshallhavesquarelycutends,andasplit-collarcouplingoraninternalcouplingshallbeprovidedforeachlengthofpipeandforeachfittingwhereapplicable.4.ChemicalandPhysicalRequirements4.1ChemicalResistance-Thespe...