Designation:F3095−17aStandardPracticeforLaserTechnologiesforDirectMeasurementofCrossSectionalShapeofPipelineandConduitbyRotatingLaserDiodesandCCTVCameraSystem1ThisstandardisissuedunderthefixeddesignationF3095;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoverstheprocedureforthepostinstalla-tionverificationandacceptanceofburiedpipedeformationusingavisiblerotatinglaserlightdiode(s),apipelineandconduitinspectionanalogordigitalCCTVcamerasystemandimageprocessingsoftware.ThecombinationCCTVpipeinspectionsystem,withcabledistancecounteroronboarddistanceencoder,rotatinglaserlightdiode(s)andovalitymeasurementsoftwareshallbeusedtoperformapipemea-surementandovalityconfirmationsurvey,ofneworexistingpipelinesandconduitsasdirectedbytheresponsiblecontract-ingauthority.Thisstandardpracticeprovidesminimumre-quirementsonmeansandmethodsforlaserprofilingtomeettheneedsofengineers,contractors,owners,regulatoryagencies,andfinancinginstitutions.1.2Thispracticeappliestoalltypesofmaterial,alltypesofconstruction,orshape.1.3Thispracticeappliestogravityflowstormsewers,drains,sanitarysewers,andcombinedsewerswithdiametersfrom6to72in.(150to1800mm).1.4TheLaserLightDiode(s)shallbetested,labeledandcertifiedtoconformtoUSrequirementsforCDRHClass2orbelow(notconsideredtobehazardous)laserproductsorcertifiedtoconformtoEUrequirementsforClass2MorbelowlaserproductsasperIEC60825-1,orboth.1.5Theprofilingprocessmayrequirephysicalaccesstolines,entrymanholesandoperationsalongroadwaysthatmayincludesafetyhazards.1.6Thispracticeincludesinspectionrequirementsforde-terminingpipelineandconduitovalityonlyanddoesnotincludealltherequiredcomponentsofacompleteinspection.Theuserofthispracticeshouldconsideradditionalitemsoutsidethispracticeforinspectionsuchasjointgapmeasurement,soil/waterinfilt...
