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阴保程序文件1.PURPOSE.22.SCOPE.23.DEFINITIONS.24.RESPONSIBILITIES25.DEVELOPMENT26.DOCUMENTS27.HEALTH,SAFETYANDENVIRONMENT1.PURPOSE.ThepurposeofthisprocedureistoestablishLdtaYPFBactivities,forinstallationofcathodicprotectionatthebottomofstoragetanksandpipesburiedorsubmerged.2.SCOPE.Thisprocedureappliestoinstallingthecathodicprotectionstoragetanksandpipesburiedorsubmergedbythemethodsofsacrificialanodesandimpressedcurrent.3.DEFINITIONS.-8535-EZ-014-C_SIGNEDMEMORIAESTUDIODESISTEMADEPROTECCIÓNCATÓDICA-NACETM0497MeasurementestorelatedtechniquestoCriteriaforCathodicProtectiononUndergroundorSubmergedMetallicPipingSystem-NACETM0101MeasurementestorelatedtechniquestoCriteriaforCathodicProtectiononUndergroundorSubmergedMetallicTankSystems-APIRP1632CathodicProtectionforUndergroundpetroleumstorageTankandPipingSystems-Sacrificialanode:generallyspecificMetalMagnesium,Aluminum,andZinc,fortheprotectionofstoragetanksandburiedorsubmergedpipelines,metalsformingagalvaniccouplewithiron(Mg-Fe)whichwillprotectfromcorrosion.-AnodeCathodicProtectionImpressedCurrent:generallyspecificMetalFe-Si,graphite,titanium,andothermetalsusedMMOtodraincurrenttotheelectrolyteinordertoprotectfromcorrosionburiedorsubmergedstructure.-Referenceelectrode:Ahalfcellisusuallycopperorsilvercoppersulphatesilverchloride,calomel,zinc,etc.Usedtomeasurethecathodicprotectionpotential-floorstructure.-ElectricPotential:Measurevoltagebetweentwopoints,areferencepointorzeropointandthepointtobemeasured,interfaceofpositiveandnegativecharges.-Thermalweldingusingmetalpowder:exothermicweldingtypeconsistsofmetallicpowdersignitionpropertiestoperformadesiredelectricalconnectionbetweenwiretowireorwire-blade4.RESPONSIBILITIES4.1.ManagerworkProvidethenecessaryresourcestoimplementtheprovisionsofthisprocedure.4.2.ElectricalandinstrumentationSuperIntendantDirectandmonitortheactivities.ImplementactivitiesunderPoliciesandProcedures.Reviewandcomplywiththeprovisionsofthisprocedure.Evaluateandverifyspecificw
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