5000m3油罐安装施工方案

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1、1适用范围Applicability本方案适用于*水泥项目5000m3油罐现场组装全过程。Thismethodstatementappliesto*cementplantproject5000m3oiltankoverallassemblyanderectiononsite.2工程概况General2.1工程内容：5000m3立式拱顶油罐二座（罐体对接焊普通拱顶）Projectcontent:two5000m3verticalvaultoiltank.(commonvaultandbuttweldforthetank)2.2工程范围：油罐现场成形组对、焊接、检验以及罐体附件

2、安装。Projectscope:oiltanksiteassembly,welding,inspectionandinstallationoftankaccessories2.3罐体直径24000mm，壁高12000mm，立式拱顶，拱顶厚6mm,罐壁厚6mm、8mm、10mm、12mm,底板厚6mm，罐体上有环形楼梯，罐顶有栏杆，罐内有加热管等。Thetankdiameter24000mm,wallhighof12000mm,verticalvaultandthevaultthicknessis6mm.tankthicknessesis6mm,8mm,10mmand12mm

3、.bottomthicknessof6mm.therearecircularstairs,handrailsontopandheatingtubesinsidethetanketc.3编制依据ReferenceDocument3.1TCDRI提供的施工图纸及技术要求；ErectiondrawingandtechnicalrequirementprovidedbyTCDRI.3.2我公司现场施工设备；Erectionequipmentofourcompanyonsite4施工程序流程图FlowchartoferectionprocessPage23of23基础复测基础放线底板

4、组装尺寸检查组装板及支架搭设筒体焊接拱顶焊接吊装用桅杆安装包边角钢制作焊接下节筒体组装、焊接底节筒体组装焊接加热器管安装罐底焊接尺寸检验弓形板焊接顶节筒体组装拱顶组装焊缝及底板凸凹检查罐体提升检查桅杆调整中间筒体组装、焊接筒体焊缝检查罐底真空试漏罐体尺寸检查Page23of23Foundationsre-surveyFoundationsettingoutBaseplateassemblyDimensioncheckFitplate&setupsupportWeldcylindershellWeldvaultInstallliftingmastCoverededgeangl

5、eironfabricationandweldFit&weldlowertankshellFit&weldbottomtankshellInstallheatingpipeTankbottomweldingDimensioncheckWeldcamberedplateFittopsectionofshellFitvaultWelds&bottomplateconvexo-concavedegreecheckingLiftingtankCheckAdjustmastFit&weldlowertankshellInspecttankweldsAirleakagetestofbo

6、ttomtankTankdimensioncheckPage23of231主要施工工序描述describethemainconstructionprocess1.1基础检验Foundationacceptance1.1.1用钢卷尺、水准仪检查基础标高。基础中心标高允许偏差±20mm，每10m弧长内任意两点高差不大于6mm，且整个圆圈内高差不大于12mm。Usingsteeltapeandleveltocheckfoundationelevation,foundationcenterelevationallowabletoleranceis±20mm,theheightdif

7、ferenceoftwopointsatrandomselectionofevery10marclengthshouldbelessthan6mm,andtheheightdifferenceinwholecircleshouldnotmorethan12mm.1.1.2沥青砂层表面应平整密实，无突出的隆起，凹陷及贯穿裂纹，沥青砂层表面凹凸度按下列方法检查：从基础中心向基础周边拉线测量，基础表面每100m2范围内测点不少于10点，基础表面凹凸度允许偏差不得大于25mm。Asphaltsandlayersurface