PTA二期管道预制方案

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1、ZhuHaiPTANo.2ProjectContractorJobNo.MethodStatementContractorDoc.No.MS-PTA2-PIPE-001PipingFabricationworkRev.0Page21of26ZhuhaiPTANo.2Project珠海PTA二期项目管道预制施工方案PipingFabricationMethodStatement会签Signature批准ApprovedbyPanShaoming审核ReviewedbyGanLin编制PreparedbyTangBenlinTJune20,2006二零零六年六

2、月二十日21ZhuHaiPTANo.2ProjectContractorJobNo.MethodStatementContractorDoc.No.MS-PTA2-PIPE-001PipingFabricationworkRev.0Page21of26目录1.工程概述General2.编制依据References3.施工工艺程序、施工方法ConstructionProcedureandMethods4.劳动力需用计划及技能要求ManpowerPlanandSkillRequirements5.施工机具、计量器具及施工手段用料计划ConstructionEq

3、uipmentandTools,DispensingMechanismandConstructionMaterialsPlan6.附JHAAttachment:JHA：21ZhuHaiPTANo.2ProjectContractorJobNo.MethodStatementContractorDoc.No.MS-PTA2-PIPE-001PipingFabricationworkRev.0Page21of261.工程概况珠海PTA二期工程工艺管道的预制由我单位施工。本工程管道材质较多，其中需要预制的金属管道有碳钢（20#），低温钢（A333-6），不锈钢（

4、00CR19NI10,316L，317L）,，合金钢；管道的壁厚大约在2～19mm之间，为保证管道预制工作优质、安全的进行，特编制此施工方案。1.GeneralManypipematerialsshallbeusedinthisprojectincludingpre-fabricatedmetalpipe,suchascarbonsteelpipe(20#),lowtemperaturesteelpipe(A333Gr.6),stainlesssteelpipe(00Cr19Ni10,316L,317L)etc.，alloyandallpipessched

5、uleare2~19mm.Thisprocedureiscompiledtoensurethequalityofworksandtosafelyexpediteconstructionprogress.2.编制依据：2.1焊工产品记录质量控制计划QP8009．012.2焊接检查质量控制计划QP8009．022.3《工业金属管道施工及验收规范》GB50235-97CodeofconstructionandacceptancespecificationofindustrymetalpipingGB50235-972.4《现场设备、工业管道焊接工程施工及验收规范

6、》GB50236-98ConstructionandacceptancespecificationforfieldweldingofequipmentandindustrysteelpipingGB50236-983.施工工艺程序:管道除锈防腐材料验收施工准备单线图标注技术交底方案编制焊口预热（如果需要）管段焊接管段组对、标识坡口加工管道下料及标记移植外观及尺寸检查合金钢热处理和硬度检验管段封闭、出厂无损检测不锈钢焊口酸洗21ZhuHaiPTANo.2ProjectContractorJobNo.MethodStatementContractorDoc.N

7、o.MS-PTA2-PIPE-001PipingFabricationworkRev.0Page21of263.Constructionsequence:ExecutionPlanCompilingTechnicalReviewingIsometricMarkingConstructionPreparationRustandPaintingofpipingSpoolfit-upandMarkPipingCuttingandMarkTransplantingBevelMachining合金钢预热PreheatSpoolWeldingHeattreatment

8、HardnesstestInspectAppearanceandD