Procedure for Cleaning,Flushing,Gauging and Hydro Testing of Pipelines

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1、East-westGasPipelineProjectConstructionProcedureforCleaning,GaugingAndHydrotestingofPipelinesChinaPetroleumPipelineBureau（CPP）DocumentNo.:EWPL00-COS-PR-0014Rev.:A1ProcedureforCleaning,GaugingAndHydrotestingofPipelinesContractNo.:DocumentNo.:A12006-6-17IS

2、SUEDFORREVIEWDuZhongyuanZengZhaochengLiJianhuiREVDATEDESCRIPTIONPREPAREDBYREVIEWEDBYCHECKEDBYAPPROVEDBYPage56of56East-westGasPipelineProjectConstructionProcedureforCleaning,GaugingAndHydrotestingofPipelinesChinaPetroleumPipelineBureau（CPP）DocumentNo.:EWP

3、L00-COS-PR-0014Rev.:A1Contents1.0ProjectDescription………………………………………………………………………32.0ReferenceDocuments…………………………………………………………………….43.0Resourceplanning……………………………………………………………………….44.0SafetyandEnvironment…………………………………………………………………105.0ConstructionFlowChartands

4、chedule…………………………………………………..126.0PipelineSectionCleaningandGauging……………………………………………………137.0PipelineSectionHydrostaticTest…………………………………………………………..248.0Termination…………………………………………………………………………………….399.0TestReport………………………………………………………………………………………4010.0Qualit

5、yControl………………………………………………………………………………….41Page56of56East-westGasPipelineProjectConstructionProcedureforCleaning,GaugingAndHydrotestingofPipelinesChinaPetroleumPipelineBureau（CPP）DocumentNo.:EWPL00-COS-PR-0014Rev.:A11.0PROJECTDESCRIPTION：1.1GeneralEast-We

6、stGasPipeline(EWPL)projectcompriseof48’’dia,1386kmlongmainline,dispatchcompressorstation,intermediatecompressorstations,mainlinevalvestationsandtap-offstation.EWPLoriginatesatOnshoreGasProcessingTerminal(OGPT)ofRelianceIndustriesLimitedlocatedatGadimoga,

7、southofKakinadainstateofAndhraPradesh.PipelinefromOGPTtraversesthroughthestateofAndhraPradesh,Karnataka,MaharashatraandGujaratandterminatesnearBharuchinthestateofGujarat.TheContractorshallensurethatthecompletepipelinesectionundergoingcleaning,gauging,fil

8、lingandhydrostatictestaftermechanicallycompleteinallrespectsi.e.wieldingcompleteandconfirmedbyEngineer-in-Chargeandthepipelineislaidandbackfilled.Thelengthofthesectionsbasicallywillbethedistancebetweentwolinevalvestationso