Designation:F2303−03(Reapproved2015)StandardPracticeforSelectionofGravitySewersSuitableforInstallationofOpticalFiberCableandConduits1ThisstandardisissuedunderthefixeddesignationF2303;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticespecificallyaddressesthecriteriafordeterminingthesuitabilityofgravitysewersforsecondaryusessuchastheinstallationofopticalfibersystems.1.1.1Thispracticeappliestotheprocessofselectinggravitysewersthatareappropriateforacceptinganopticalfibersystemasopposedtostandardsfortheinstallation,operationandmaintenanceofsuchsystemwithinsewers.1.2Thispracticeappliestobothmanaccessibleandmaninaccessiblesewersystems.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D543PracticesforEvaluatingtheResistanceofPlasticstoChemicalReagentsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsF412TerminologyRelatingtoPlasticPipingSystems2.2OtherDocuments:NASSCOStandard“GravitySanitarySewerDesignandConstruction,”ManualofPracticeNo.FD-5,ASCERec-ommendedSpecificationsforSewerCollectionSystemRehabilitationSewerRehabilitationManual(SRM)producedbytheWaterResearchCenter(WRc,Swindon,England)3.Terminology3.1DefinitionsareinaccordancewithTerminologyF412andabbreviationsareinaccordancewithTerminologyD1600,unlessotherwisespecified.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1combinedsewers—sewersthatcarrybothwastewaterandstormorsurfacewater.3.2.2engineer—thelicensedprofessionaldesignatedbytheowner/opera...
