isSpecificationistherevisededitionofthe"formerCommunicationProfessionafPRCYD5148-2007DesignSpecificationsforPoleLineofOptical(Copper)CableEngineeringaccordingtotherequirementsoonPrintingtheDevelopmentandRevisionPlanofCommThisSpecificationcomconstructionspecifications,installationspecificationsofaerialsuspensionwire,desigspanandflyingspanning(crossingariver)andtherequirementsoftThearticles3.1.6,3.1.7,3.2.3,3.4.3,3.4.4anditem5TheDepartmentofCommunicationDevelopmentofMIITisinchargeofexplanationandsupervisedimplementationofthisSpecificationIfltherehaveanyeasecontactusandalsosendby/mailtoCommunicationDevelopDepartmfMIIT(address:13Chang'anAvenue,Beijing,ZipCode:100804).ShanghaiPostsandTelecommunicationsTheRevisingChiefEditorTheParticipatingRevisingOJLUCommunicationDesignInstChiefParticipatingStaff:fordirectuse-wirepoleLY/T1294-2012etc.tocommunicationpoleline,itisnecessarytorevisetherelevantcontentsoftheformerdesignspecifications,toprovidebetterguidancetotheengineeThisspecificationappliestoandsymbols,polelinesurvey,constructionsppolelineforanewlThenew-builtpolelineconstructlocation,andconsideredtherequirementsofnumeroususers,overallplanning,jointsharingofresources;andthesharingofresourcesontheexithroughtechnicalreconstruThecontentssupplementedandupdXinBuTong〔2011〕No.94issuedbyMIIT-NoimplementationofcommunicationengineeringconstructionprofessionalstandardandThecompilingspecificationsofcommunicationengineeringconstructionprofessionalstandard.2)Anewchapterof"TermsandSymbols",andthedata-relatedappendixismovedintocorrespondingpartoftheExpf4)Thecontentsofthesection4.2"PolerequirementsofCircualconcretepoleGB/T4623-2006andLogfordirectuse-wirepoleLY/Ttheformer6.2.3anditslatteroneswill 1.0.1TheDesignSpecificationsforPoleLineofAerialOptical(Copper)CableCommunicationEngineeringisapplicabletothedesignofcommunicationaerialoptical(copper)cablepole.0.2TheengineerintthebasicprincipleandpolicyofStatecapitalconstruction,makerationaluseconsumptionofland,energyandrawmaterials,attachgreatimportancetoth1.0.3ItshallcomplywithTheStipulateofCapitalConstructionofTransportations,PostsandTelecommunicationiftheengineeringdesignistouchingtothesecurityofnationaldefence.1.0.4Theengineeringdesignmustensuretheoverallcommunnetwork,safetyandreliability,economyreasonable.1.0.5Theengineeringdesigplanning,therecentphaseconstructionplanshouldbecombinedwiththelong-termdevelopmentpla1.0.6Newconstructionsofpolelineengineeringshouldbecompliedwiththeprincipleofcandco-sharing,consideredtherequirementsofnumeroususers,tobeoverallplaning、joint1.0.7Anyothernewpolelineshallnothadbeenbuiltinthis_routelandtherehavethevacantplachangingoptical(copper)cable;ifthereisnovacancyplacefor/hangingline,atechnicalreconstructionshouldbesuitedtomeetthereproductsofmeetingrelatednationaltechnicals1.0.9Iftherehaveanycontradicationbetweenthisspecificationandthelatestnationalorelvanttechnicalstandards,thelatestnatperformed.1.0.10Underthespecialcircumstance,ifitisubmittedtotherelevantdepartm2.1.1ReinforcedconcretepoleReinforcedconcretepoleisakindofpolethatusesordinaryPrestressedconcretepoleisakindofpolethatusesprestressedsteelbarasitslongitudireinforcementandwhoseallowablevalueofanti-cracktestcoefficie2.1.3PartiallyprestresPartiallyprestressedconcretepolereferstoakindcombinationofprestressedsbar,anditsallowablevalueofanti-cracktestcoefficientisequalto0.8.2.1.4Logfordirectuse-wireWoodpolewithoutpreservative-treatedprocessanddirectlyusedforaeriall2.1.5Preservative-treatedModifiedwoodpolewithAnti-corrosionperformanceviapreservative-treatedprocess.Spandistancebetweentwoadjacent2.1.7HeightofpoleHeightofpoleinaerialline.TerminalpoleisanupholderforbeAnglepoleisakindofpoleerectedofthemwillbranchoutinacertainplinesinagivenplacemergedintoonepPolesdeployedonthestr2.1.12Acrosspoleofflyinglinedistancesandraising3.1PoleLineRouteDetermina3.1.1TherouteofaerialcommunicationpolelineshaSpecificationsforTelecommunicationCableLineEngineering.3.1.2Thepolelineroutingshallkeptawaythefol1Inthevicinityofinflammableandexplosiveareas,importantbridge3Forests,highmountainsandloftyhills,strongwind4Theareaswhereareaffectedoncommunicationbyhi5AreaswhereLandscapeis3.1.3Polelinesettingshallbeinaccordancew1Fieldpolerouteshallbeer2Thepolelineshouldbesredlineoftherailwayboundarywhilebeingclosetotherailway.Afthecurvesofrailwayo3PolelinepositioninurbanCommunicationlinesshouldnotsetonthesameroadsideThenewconstructedpolelinerouteshallnotaffectedtothecftheexistingcommunicationlines;3.1.4Crisscrossingbetweenpo1Crossingwithrailwayorhighway,undergroundpassingwayshallbburialpipeorculvertpassingmaybeadop2Crisscrossingbetpassingthroughonthebridge,themethodsofunderwateroptical(copper)cableorMicrocontrdirectionaldrillingpipemaybeusPassingthroughabovesteelpipeorhardfoptical(copper)cablemaynotb3.1.5Polelineshallverticalcrossing,theminimumcrossingangleshallnotbelessth3.1.6Theaerialoptical(copper)cablesmustbepassingthroughbelowthepowerlinepensionwireoffirstlayerofoptical(copperfpowerlinefrompowerpoleshallbeinaccordanTheminimumverticalcleara一一一一一Notes:1Thedataistakingfro4Ifthepowersubscriberlineiscoated,theoptical(c5Underspecialcircumstancetheoptical(coppspanandsuspensionwireshallbestrengthenedwithprotec3.1.7Communicationlinemustnotbecrossingwithelectricrailwayortloadzoneofpassingthroughareaandgeograselectedfromthenominalpolespandispandistance,itmayuseaconstructionme2)Whenthepolespandistanceofaepandistance,itmayuseadeviceofflyingline.3.2.2Polepositionsettingshallbeinaccordancewithfoll3Thepolepositionshallbelocatedinthesitesofconvenientconstruction4Whenthesoilisnotstablnotmeetspecifiedrequirementsaccordingtothestandardpolespathepolepositionmaybeappropriatelymovedforwaexceedtheallowablespecified5Ifthepolesneedtosetonthesiteswherethesrootbaseandprotectivemeasurementsofpolepositionshallbeconsidered.3.2.3Spacingdistancebetweenpoleposition(includingoverheadconstructiononpole)aundergroundorgroundinfrastructuresshallbeinaccorTheminimumhorizontalclearancThedistancebetweencommunicationpipe,cabl一一Note:Whentheterrainisrestricted,spacingdistathangroundheightofpole,inindividualsites,ifitcannotmeetrequirements,thecorrespondingprotecti3.3.1Anglepolesetupinthepointofturningpopointofpolelinetermination,branchpolesetupinthepointwhereoptical(copper)cableneedtobranchoutinthemiddleofpoleline.ofpoles.3.3.3Brace(bracingpole)wouldbeinstalledonthdistancepolespan,flyinglineandanti-wind/icepreventionpoleetc,thepositi3.4HeightDeterminationofPole3.4.1Theheightdeterminationof1StandardheightofpoleisselectedaccordingtotherequirementsofultimatensuspensionwiresandopticcableofthelowestlayerandburieddepthforpoleetcFigure3.4.1Heightcalculationo2HeightofpoleiscalculatedaccordingtotaccordingtothecalculWhere:a——hanginglayersforoptical(copper)cable(n—1)×0.40m[newconstructionpolelibedesignedaccordingtotheultimatehangingnumbersofoptical(copper)cable];b——themaximumsag,sagofthehighesttc——heightbetweenthegroundandthemaximumsagofthelowestlayerofcableonthepole;d——burieddepthforpole,whichshallmeettherequirementsof3.4.2Heightofpoleconfigurationatspecialplaceisasfellows:1Whentheaeriallinecros(copper)cableandsuspensionw2Configuringpolef1)Whenthepoleneedtobeheightconfigurationforheightofpoleshallmeettherequir2)Therequirementofslopechangeisnotlargerthan20%,wheningtheheightofpoleofhoistingspantoreducetheslopecfextensionmeasurementmaybeadopt1)Cementpolemayusetheextensionheightdeviceoextensionheightshouldnotexceed2m;reinforcedconcretecone-pole2)Whenheightoflogpoledoesnotexceed12m,thheightofpoleisfrom12mto16m,theheightofpoleisabove16m3.4.3WhenPolescrosstheotherbuildings,thespacingdistancebetweenthlowestlayerofcableandotherbuilding一一一一一3.4.4HoledepthofpoleshallbeinaccordancewiththosespTable3.4.4Holedepthofpoleunit:mNote:Thistableissuitedtothenewconstructioncommunicationlineinthelightandthemidshallbeimplementedaccordingtothespec3.5.2Whentheangledepthofturningangleoflineexceed13m,itmatomeasure,theangledepthofthetwoanglepolesandpoL≈L?≈L?≈StandardpoledistanceFigure3.5.2Duala3.6BraceandBracingPoleM3.6.1Thetypesofbraceshavethebraceofanglepole,theterminalbrace,two-direct3.6.2Thebraceofanglepoleisinstalledintheopposiondirectionoftwo-directionbraceisontheverfbracesandtwobracesofalongthepolelinedirection,theinstallationdirectionofquartetdirectionbracemaydeflect45°inarestrictedterrain;thenstallationdirectionsoftwo-directionbraceand3.6.5Thetripartitedirectionbraceiscomposedoftwo-directionbraceandabraceofalongthepole3.6.6Measurementsofthedistance/heightratioforbraceandtheposbeinaccordancewiththefollowingrequirements:1Theputinanglebetweenthepointofinstalling2Thedistance/heightratioforbrabackwardmovedbythedifferentdistance/hei3.6.7Measurementsofthehigh-piledbraceandhangingplatebraceshallbeinaccordancewicrosstheroadorotherobstacles(suchasbungalows)inthefbraceforanglepoleortwodirectionbrace,thehigh-piledbraceneedstonormaldistance/heightratio,thehangingpla3.6.8Measurementsofthebracingpolesh1Whenbraceisunabletobeuesdatoutsideofanglepole,itmaybechpole;bracingpoleisinstalledatinsideanglebisectorofanglepole,asshowWhenterminalbraceisunabletodirectionsidemaybeadopted,thedistance/heightratioDistance/heightratiFigure3.6.8Brac4PoleLineConstru4.1.1Polelineconstructionspecificationshallbedesignedzoneofpassthroughareaandthehangingloadofoptical(4.1.2Meteorologicalloadzoneofcommunicationlineisdividedintofloadzone,themiddumloadzone,thehthicknessofsuspensionwireoroptical(copper)cablfMeteorologicalconditio一5℃一2Themaximumwindspeedshallbecalculatedaccordingtotheaverrecordedmaximumwindspeedfor10minutes.Theloadtionareaandappearanceofthemfeveryfenyearsforacycle.Theareawherconstructionstandardsofthisploelinesectionshallbeadoptedseparatelyaccordingtoth4.1.3Ifthereareparticularmeteorologicalconditionsinaindividualine4.2.1Cementpolesshalladoptthepreservativetreatedwoo1Theheightofpoleisselectedaccordingtotherequiremwiresandoptical(copper)cablesonthepole,thepoledistanceandthepoleforma2ThespecificationandformatofthecementpoleforrequirementsofGB/T4623CircualConcretePole.3ThespecificationandformatofthewoodpoleforcommunicrequirementsofGB/T22102Preservative-treatedWoodandLY/T1294LogforDirectUse-wirePole.4.2.3Caculatingmethodforpoleintenmunicationpoleintensitymeansthfthepole,itiscalculatedaccordWhere:M——loadbendingmomentofexcavatedpositionofthepole(Nm);M?——bendingmomentwhichisgeneratedbythewindpressureofhangingoptical(cM?——bendingmomentwhichisgeneratedbythewindpressure(N·m).2Calculationofloadbendingmomentforthepoleshallbeincompliancewith2)TheloadbendingmomentM?ofwindpressureforoptical(copper)cableandsuspensionwiresWhere:P?——thehorizontalresultantofwindpressureofoptical(copper)cableandsuspensionwireonK?——aerodynamiccoefficients,K?=1.2fortheroundedbodyeh,——heightconversioheighton6monthepole:hb——icecoveredthickness(mm);n?——numberofhangingoptical(copper)cablesonthepole,iftherearemultipleopticaln2——numberofsuspensionwireonthepole;d?——outsidediameterforhangingoptical(copper)cableonthepole,iftherearemultipl(copper)cableshand?——outsidediameterofsuspensionwireonpole;h?——heightofhorizontalresultantpointfromthegroundsurface(m);3)LoadbendingmomentM?ofwindpressureshallbecalcWhere:P?——horizontalresultantofwindpressureonthepole(N);h?——groundheightofpole(m);K?——aerodynamiccoefficientofthepolebody,K?=0.7;d?topdiameterofpole(mm);dg一diameterofexcavatedpointforpoleroot(mm).Y?——poledeflectiongeneratedG?——thepole'sselfweight(N).4.2.4TheselectionofpoleintensityiscalculaWhere:Mmax——maximumloadmomentonthepM——loadbendingmomentofexcavatedpointforthepK——designsafetyfactor;cementpoleK≥2.0,thepreservativetreatedwoodpoleK≥2.2.4.2.5Thestandardpoleformato4loadload8loadloadload4.3.1Thebraceshall4Polesonthebothsidesofcrossingtherail7PolethatheightofpolformatshallmeettherequirementsofZinc-coated2Groundanchorofbraceusedforcementpolelineshouldadoptthesteanchorandthecementbraceplate;thewoodpolesteelwirestrandformatimesthesameformatofbrace;thespecificationofthegroundanchorofbrace,thecementbraceplateippingplatemethod(3holesand2slotsclampplate),thefasr5Braceshallnotbeinstalledonthesidewalk;whenitisunabletobeavoid4.3.4Oneterminalbraceshallbeinstalledforeachsuspensionwireofterminalp4.3.5Theterminalbraceshallbeinstalledintheoppositedirectionofbranchicableforbranchpole,theterminalbraceshallusesteelw4.3.6Alayeroftripartitedirectionbracewire,bracesofalongthepolelinethansuspensionwire.4.3.7Terminalbracesshallbeinstafotmatoftheterminalbracesshallbe4.3.87/2.2mmsteelwirestrandmaybeusedastwodireslopechangeislarge4.3.9Alayerof7/installedforpole(jointingpole)thatitsheightofpoleislargerthan12m,ifthepoleisatriple-jointpole,alayeroftwodirectionbraceorfourdirectionbraceshallbeinstalled4.3.10Anti-windponumbersofpolesforaerialcommunicationline,itsintervalnumbersofpolesshallbeinaccordance848884848244824282424224.3.11Thedeviceforanti-windpoleshalladoptonelayeroftwodibraceshallbethesameoneofthemaximumformatsuspensi4.3.12Braceofanglepolecannotcompletelyreplaceinstalledincaseofmeetingtheanglepolewhichwillbeinstaandtheintervalnumberwillbere-countedfromthispole.4.3.13Anti-windpolemaynotbeinstalledandnumberoficepreven4.3.14Twodirectionbracemaybeinsttoinstallstrengthdeviceofpolerootbase.4.4.1Jointingpoleforwoodpoleshallbeinaccordancewiththefollowi1Thetopdiametrootdiameteroftheuppersection;andthetopdiameterofthelowsectionmustnotbelessthenthesameoftheuppersection.2Dualjointingpoleshallbeadoptedforthelowestjointingpointoftriple-jointingpole,singlejointingpoleshallbeadoptedfortheuppereachjoinfingpointandtwodirectionbraceorfourdirection4.4.2Jointingpoleforcementpoleshallbeinaccordancewiththefol1Whencementpoleuse"isometricalcementisometricalcementpoleshallmeettherequirementsofCircual2Connectingmayadoptthesteelplatinstalledontheupperconnect4Therequirementsofextensionheightusing"U"slotsteelonthetopoflargerthan/Im,extensionmethodinstalledontwoflanksofpole.1Anti-windpole/icepreventionpoleandpolesinthatslopchangeislargerthan20percent,jointi4.5.2Woodcrossbarforfixedrootmaybeinstalledontheflanksofpinstalledonthebottomofpoleroottoreinforceforwshallbetar-injectedpSpecification(diameter×lbottomofpoleroottoreinforceforcementpole,forminaccordancewiththosespecNote:"U"-shapedchuckhoopshouldbeusedforchuckinstallatio1Anglepolethatanhsidesofcrossingthf3Polesonthesoftsoil4.5.5Singlewoodcrossbarorsi2Polessettingonswamps,polesofliftingspanthats4.5.6Doublecrossbarssh4.5.7Polerootprotectionme1Thepolesonslope,landslidelocations,maybeprotected2Thepolesontheflo3Thepolesettinginriverwheremaybeaffectedbyfloodingpeaandwater-preventionstakemaybesetupintheups4.6.1Whenoutdoorequipment,branchbox,cross-connectingcabinetofaccessnetworkorotherdeviceswithlarge-size,heavyweightareattachedonpol4.6.2AttacheddeviEquipmentInstallationEngineeringofCableAccessNetwork.4.7.1Designforinfluencclosetothegroundwirenetofpowerplantsandsubstationsorthegrtower,thedangerousinfluenceoncommunicationwiresormetfactorsoftheelectromagnetibreakdownandworkingconofelectricalrailway)withnormaloperation,thedacommunicationlineshallbe2Thesuspensionwireofaerialoptical(copper)cableshalofcrossingpowerline,thegroundwireonthepoleshouldhave2.0mfromtheground,insulatorsshallbeaddedtodisconnectforth3Thesuspensionwireof4.7.2Designforlightingprotectionshallbeinaccordancewithttheopenareaorsuburbwithmorethan20polewithangledepthtobpoleonthetopofhillside,theaerialsuspensionwireshallbeconnectedwiththeinsulatorshouldbeinst4Lightingshieldwireshallbeusedforthepolesw5Aerialgroundwireshouldbeerectedforthepolespanofthesconnectedwiththebraceforgrounding;cewiththeboltintotheground;cementpolewithoreinforcingbaronthetopofpoleforgrounding.4.7.4Groundingresis4.8.1Numberingguidingofpoleforlonghaulopticacompliancewiththefollowingprinciples:1Numberingofpoleshouldbefromeasttowestornorthto2Polelineshouldbeindependentnumberedbyplacenameofthestartpointandendpo3Whentherearetwoormorethantnumberedseparately;4Halfwaybranchlineshouldbeindividuallynumbered,itsnumbersarefromt4.8.2Numberingofpoleforlocaloptical(copper)cablelineenginee1Urbanpolesshouldbenumberedconsecutivelybythestreetanreservedaccordingtothedistanceofmiddlesectionandthesituationofthestreet.2Polenumberofpolelineinneighborhood,sidestreets,alleysalongthelinedirect3Poleintheoutskirtsandsuburbsshouldbe4.8.3Polenumbershallfacethesideoftheroad,ifthereareroadsonbothsidesofthepole,thepolenumbershouldbebasedonitsalongtheroad,ifasectionofpopolelinepathischangedtothesidepath,thenthepolenumbershould4.8.4Methodofpolenumberingmaybesprayedwithpaintspra-edorwrittendirectlyoncementpole,thenumberplatecanbetackedonthepolesforwoodpole.4.8.5Themaincontentofpolenumberingforoptical(2Constructingyearofpole;3Abbreviationorchinesephoneticizecodeofrepeaterorlinesectionname;4Namesofroadsandstreetsofurbanline.4.8.6Therequirementsofpo2Whenthereisanadditionalpoleamongtheexistinglthesamenumberasthefrontpol3Whentheindividualpoleisdecreasedontheexistingpoleline,vacantnumbermayandnotneedforrenumbe4Thelastletterofcementpole'snumberortheloweredgeofnumberplatetackedatspecialsectionsaccordi5High-piledbraceandbra5SuspensionWireSpecificationDesignforAerialOptical(a)thesameinstallationlocationoftwoflanks(b)thealternateinstallationlocFigure5.1.1Installationlocationo5.1.2Suspensioholdhoopmethodshallbeadoptedforcementpolewithoutinsertboltholes,theinsertwiresinstalledonthesamelocationoftwoflanksofpole;eachsusp5.1.4Suspensionwiretermina1Suspensionwireisbraceholdhoopmaybeusedforterminalsuspensionwireonthecementpole,theterinstalledonthereversedirection;suspensionwireonthewoodpo3Sub-endingshouldbeusedatthepolebeforeaspanofterminalpdirectionisinstalle(a)cementpole(SideSideofterminalpoleBracegrommetSuspensionwireofoptical(coppformatofsuspensionwire)Figure5.1.4-2Sub-endingsuspensionwireinstallationdi5.2SuspensionWireInwire,itsspecificationandformatshallmeettherequirementsofStrand;steelwire,steelwirestrand,or5.2.2Specificationofsteelwirestrandisselectedbytheweightofsu(copper)cables,meteorologicalconditionsload,polespanandmechanicalandphysicalpropertiesof5.2.3SafetyfactorKmust1Unitloadofsuspensi1)UnitloadofsuspensionwireforhookmWhere:g*stressperunitlengthofsuspensionwiregeneratedbyself-weightofoptical(copper)g?——stressperunitlengthofsuspensionwireactedbyiceload(MPa/m);g3——stressperunitlengthofsuspensionwiregeneratedbyoptical(cgs——stressperunitlengthofsuspensionwireactedbywindpressurewithiceload(MPa/m);g?——stressperunit