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首页 LNG墙体施工方案

LNG墙体施工方案.doc

LNG墙体施工方案

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2017-09-28 0人阅读 举报 0 0 暂无简介

简介:本文档为《LNG墙体施工方案doc》,可适用于高等教育领域

LNG墙体施工方案张晓斌廖明强刘俊B张晓斌廖明强刘俊A张晓斌廖明强刘俊编制业主监理版次日期审核批准PreparedCBIOwnerSupervisoRevDateReviewedByApprovedByByr修改说明提交供审核RevisionDescriptionIFC(IssueforConstruction)中国核工业华兴建设公司CHINANUCLEARINDUSTRYHUAXINGCONSTRUCTIONCO福建LNG一期新增#、#储罐工程FJLNGPhaseIAdditional#And#TanksProject液化天然气低温储罐土建工程LNGCryogenicTankCivilWorks编码CODEFJLNGCOHUAX文件类别方案MethodStatementDocType文件名称福建LNG罐混凝土墙体施工方案DocTitleMethodStatementfortheConcreteWallofFJLNGTank版次Rev版次RevABCDEFGABCDEFG页码Page页码PageFujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:CHANGERECORDPAGEREVISIONDESCRIPTIONOFREVISIONAIssueforReviewBIssueforReviewIFCFujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:REVISIONTABLEPAGEREVISIONPAGEREVISIONAPPENDIXREVISIONAAAXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXFujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:目录ContentGeneral概述Scope范围References参考文献Drawing图纸Specifications规范Constructionmadeupasfollows:模板提升系统组成成员如下:Eachtankwillhavetowercranestolifttheformworkatthesametime每个罐同时安排个塔吊提升模板OneSafetyOfficertobepresentatalltimesduringtheliftingoperation一名安全员负责整个提升过程现场安全Chiefforemaninchargeofinspectiontoclearanceoftheplatformandtocooperatewiththeliftingteam罐长负责平台清理的检查及协调整个提升作业。OneQualityControlTechniciantoverifyseatingandsafetypininsertion一名质检员要验证销键的就位和安全。Tworiggersforeachtowercranetogiveinstructiontotowercraneoperator,checkslingsandshacklesandarrangeliftingoperation每个塔吊安排个起重工负责向塔吊司机发出指令和检查吊装索具卸扣的安全安装。OneRiggingChargeHand–tocheckshacklesandremovesafetypins一名吊装班长负责检查卸扣和移动安全销。FourCarpenters–tomakegoodtheplatforminfillsandtoeboards,installFujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:shacklesandsafetypins每个塔吊四名木工负责清理平台杂物、填实平台缝隙和踢脚板、安装卸扣和移动安全销。OneTowerCraneoperatortooperateTowerCrane塔吊司机负责操作塔吊。Onlythenonominatedmembers(doesnotincludeTowerCranedriver)oftheliftingteamwillbepermittedintotheliftingarea只有以上指定的提升队伍的人(不包括塔吊司机)允许进入提升区域。,ARiggerwillattachtheslingstotheliftingspindleusingtheshackles一名吊装工用卸扣将吊带绑在吊环上。TheRiggingChargeHandwillchecktoensurethattheshacklesarecorrectlyplacedandfullyclosed吊装班长检查以保证卸扣正确放置并完全扣拢。,TheRiggingChargeHandwillthencheckthatthenutontheclimbingconeisfullybackandtherearenootherobstructionsHewillthenpersonallyremovethesafetypins吊装班长还要检查爬升锥上的螺母安装好并且没有其他障碍物。然后亲自移走安全销。,TheTowerCraneBanksmanwillcheckthatnobodyisontheplatformofformworktobeliftedandthatallmembersoftheteamareintheircorrectlocationandtiedoffOnlyafterthischeckwillhegivetheinstructiontothetowercranedriverfortheformworktoberaised塔吊指挥员检查模板平台上没有任何人而且所有人员都在其正确的位置上并都系好安全带,这样后才能向塔吊司机给出指示开始模板的提升。,Ifatanytimeduringtheoperationanythingunexpectedarises,theoperationistobehaltedbytheTowerCraneBanksmanandnotifiedtheRiggingSupervisorforfurtherinstruction操作过程中无论何时发生突发事件时操作在塔吊指挥员的指令下暂停并且通知吊装工长等待下一步指示。FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:,Useofaprybartoreleaseaplatformisacceptable,howeveruseofsledgehammersetcisforbiddenIftheplatformdoesnotreleaseinanormalmanner,theTowerCraneBanksmanistostoptheliftandnotifiedimmediatelytheRiggingSupervisorforinstruction松动平台使用撬杆是允许的但使用大锤等是禁止的。如果松动平台没有用正常的方法塔吊指挥员应停止提升并立即向吊装工长发出通知。,IfatanytimeduringtheliftthecraneoverloadisactivatedtheliftistobehaltedandtheRiggingSupervisorConstructionMangerimmediatelynotified提升过程中若起重量超负荷则必须停止提升并且立即通知吊装工长或施工经理。,WiththeplatformliftedandseatedinitsnewpositiontheRiggingChargeHandwillpersonallyinspecttheClimbingBrackettoensurethatitiscorrectlyseatedonbothoftheclimbingboltsandpersonallyinstallthesafetypinsHavinginstalledthesafetypinstheRiggingChargeHandwillmarkonthewalltoindicateadjacenttothebracketthatthesuspensionpointissafe平台吊装并且就位后吊装班长必须亲自检查爬升托架保证两边的爬升锥的位置正确后亲自安装安全销。安装安全销时在墙体做记号标示出相邻托架的安全悬挂点。,AfurtherQualityControlCheckwillbemadeofthesuspensionpointsandsafetypins悬挂点和安全销组成进一步的质量检查。,OnlywhenthesafetypinshavebeeninstalledandinspectedbyQCwilltheTowerCraneBanksmangivetheapprovaltoremovetheshacklesandslings只有当安全销安装完毕并通过QC的检查对塔吊指挥给出正式通知后才能移走卸扣和吊带。FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:,Allnomembersoftheplatformraisingteamwillatalltimes,duringtheliftingoperation,betiedoffInparticularthenoriggersguidingtheplatformfromtheadjacentmainplatforms在整个提升操作过程中所有名人员必须,系牢安全带。在相邻的主平台之间安排两名特殊起重工。ClimbingBoltSafetyPins爬升锥安全销Climbingboltsafetypinswillbegalvanizedandcolouredredtiedtothemainplatformtoensurethattheyareeasilyidentifiable爬升锥安全销镀锌刷成红色并且与主平台连接以保证它们易于辨认。Replaceplywoodcovers重新放置胶合板盖板Afterraisingtheformwork,theplywoodcoverswillbeimmediatelyreplacedtoclosethegapsbetweenadjacentplatforms提升完后立即将胶合板盖板放回相邻平台之间盖住缝隙。Liftingofformwork模板提升Repeatingsteps,,formworkswillbeliftedinaconsecutivesequencesuchthat,wherepossible,theplatformsformacontinuouswalkway反复的~次后模板将被连续的提升到预定位置平台形成连续的人行道。Closingoftoeboardgaps踢脚板连接Theplatformtoeboardmustbecontinuousandallgapswillbeclosed平台的每一个缝隙用踢脚板连接。PostLiftInspection提升后检查Priortotheplatformbeingusedsafety,aninspectionwillbecarriedoutbyConstructionmanagerorNominatedSupervisorandNominatedSafetyOfficerSignstatingsafetoworkshouldbeerectedafterpostliftinspection生产经理或工长和安全员必须实施检查最先的平台是否能被安全的使用。在提升检查完FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:成后竖立标志牌证明是安全的。IncompletePlatforms未完成的平台NootherworkswillcommenceonaplatformuntiltheplatformiscompletedandinspectedbytheConstructionManagerorNominatedSupervisorandthenominatedSafetyOfficer在平台的提升没有完全完成和生产经理或工长和安全管理人员没有检查之前不能在平台上作业。SafetyInspection安全检查Anominatedsafetyofficerwillinspectplatformspriortoeachshiftandanyplatformorladderfoundtobeunsafewillbecorrectedimmediately专门的安全员必须检查平台的每一步移动和梯子的四周立即改正不安全的做法。HouseKeeping文明施工Inadditiontothededicatedcleaningteam,allworkerswillberesponsibleforthecleaningoftheirownworkareaattheendofashift为了保持清洁的环境所有工作人员在工作过程中都要保证自己的工作区域整洁。Trapdoors活动板门Trapdoorsisaveragelyinstalledineverylift,eachtrapdoorsonupperplatformandmainplatform,toprovideaccessbetweeneveryplatformThetrapdoorshallbeclosedimmediatelyaftergoingthroughit活动板门平均分布在每层墙体每层上承平台和主平台上各个提供了各平台之间的通道从活动板门走出后应立即关闭。InspectionProcedure检查程序PreconcretingInspectionofPositioningCone混凝土浇注前爬升筒检查ThesealingsleevepositioningconearetobeassembledandsecurelyfixedFujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:totheinnerfaceofformworkbythreadedrodandwingnut封装套与定位锥体组装并用螺杆及蝶形螺母将其固定在模板的内表面。Thestopanchoristhenscrewedintothepositioningconecareistobetakentoensurethattheanchorisfullyscrewedhome然后将锚固板旋入定位锥体。旋入时须仔细确保锚固板完全旋入Thelocationandconditionofthesealingsleeve,positioningconeandstopanchorwillbecheckedbyQCbeforeduringconcreting,correctiveactionshallbetakenimmediatelywhenanyfailureisfound在浇铸混凝土以前及过程中QC人员须对固定板、封装套、定位筒及制动器的位置及状况进行检查若有错误发生立即进行修正。PostconcretingInspectionofPositioningCone混凝土浇注后定位锥体的检查Thepositioningconeistoberemovedfromtheconcrete将定位锥体移出混凝土。Thenominatedcarpenterwillthencheckthedimensionfromthetipoftheanchorthreadingtothefaceoftheconcretetoensurethattheclimbingconecanbefullyscrewedhomeandtightened然后让指定的木工对从锚固件螺纹顶端至混凝土面的各尺寸进行检查以确保爬升锥体可以完全旋入上紧。Ifanyirregularityisnoticedduringtheclimbingconeinstallation,theinstallerwillimmediatelyinformthesupervisor如若在爬升锥体的安装过程中发现不正常情况安装工人须立即告知工长。NoformworkwillberaisedontotheclimbingconesuntiltheinstallationhasbeencheckedandacceptedbyQCforalltheformworkstoberaised安装完毕经质检员检查并同意提升模板后方可将模板安置于爬升锥体上。FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:Strikingofformwork拆模Approxhoursafterthecompletionofthepourthethroughboltswillbe“cracked”,buttheformworkwillbeleftinposition在浇注完成小时后直通螺杆要松开。但是模板仍留在原处。Theremovalofformworkwillnottakeplacepriortothespecifiedhours,butgenerallyaftersteelfixingofinnerandoutermatsofthenextlifthasbeencompleted在规定的小时之前不能进行模板拆除。而是在下一层内外钢筋网安装完成之前。,Removalofthethroughbolts直通螺杆的拆除。间连接板的,Removalofthefishplateconnectorsbetweenformpanels模板拆除,PullBackoftheformpanelsusingthescissorjacks用剪刀撑撤离模板。,Theformswillbecleanedwheninthepullbackposition撤离的时候对模板进行清扫。,Climbingoftheformstothenextliftusingthetowercranes用塔吊将模板升到下一层。Oncompletionoflift,theinnerformswillberemovedtoastorageareatobedismantledTheinnerplatformswillberaisedtobeusedfortheerectionofhorizontalinsertTheinnerplatformwillberemovedoncompletionoftheinsertwork在第层完工时内模板将搬移到储存区进行拆除。内平台将提升起来用作水平预埋件的支设。内平台将在预埋工作完成时进行拆除。Aftermechanicalsubcontractorfinishesinstallationofbearingringembedments,installandfixrebarandprestressductofwalllift,andthenliftouterformtobefixedonclimbingconesaboutmmbelowliftThenFujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:closeformworkwithscissorsjacks在机械分包商完成压力环预埋件安装后开始层墙体钢筋、预应力管安装和固定然后将外模板提升、固定于距离层混凝土顶面下方约mm处爬升锥体上用模板上的剪刀支撑将模板合拢。Useformworkupperplatformasroofraisingplatformandliftshallbeconcretedafterroofrising利用模板上部平台作为穹顶顶升的工作平台在顶升后方可将进行层混凝土施工。Oncompletionofring,theouterformswillberemovedtoastorageareatobedismantledTheouterplatformswillberaisedforaccessduringtheairraisinganderectionofhandrails在第层完工后将外模板提升到移到储存区进行拆除。外平台要提升上去作为穹顶及其上部结构施工的通道。Afterformworkremoval,clearthegroutonformworksProtectformworkswhenclearingQCcheckfortheforms,byagreewithCBI,repairtheholesordamagesonformworkswithgalvanizedsheetironifnecessary模板拆除后及时清理表面除去模板上飞溅、残留的水泥浆等清理时注意保护模板不受损坏。QC检查模板如果出现缺陷按CBI同意的方法应及时修补面板上如有孔洞、损坏时用渡锌薄铁皮进行修补。Horizontalconstructionjointstreatment水平施工缝的处理TotreatconstructionjointswithrougheningThedetailedmethodshouldbedecidedonbaseofsiteoperationdemonstrationwithapprovalofCBIandSupervisionCompany施工缝的处理决定采取凿毛具体的施工方法要根据现场操作的演示情况在取得总包和监理的同意下进行。Clearandfullywetconcretesurfacepriortonextliftconcretepour在下一层混凝土浇注前,清洗基层的其他杂物并充分湿润表面。FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:Concretework混凝土浇注工作CconcretewillbesuppliedfromtheonsitebatchingplantNopourwillcommenceuntilallsignoffshavebeencompleted,allplacingequipmentisinplaceandbothbatchingplantsareoperationalC混凝土由搅拌站在现场供应。所有准备工作就绪浇注设备到位且两台搅拌站可以运转后方可开始浇注。PlacementofConcrete混凝土浇注ThewallconcretingwillbecarriedoutliftbyliftNonstandardliftismmhighwhichisconcretedbyliftsFirsteightliftsaremmhigheachandthetopliftismmhighStandardliftismmhighwhichisconcretedbyliftsFirsteightliftsaremmhigheachandtopliftisaboutmmhighBeforeeveryconcreting,estimateconcretequantityonbasisoflastconcretingspeedtoensurepumpingequipmentcouldsatisfyconcretingneedandensureintervaloftwoliftsconcretingislessthanconcreteinitialsettingtime墙体采用分层浇筑。非标准层高度mm分层浇筑前层浇筑高度约为mm最上一层浇筑高度约为mm标准层层高mm分次浇筑前层浇筑高度约为mm最上一层浇筑高度约为mm。在每次混凝土浇筑前技术人员需根据前次浇筑速度进行预估并计算出实际需要控制的浇筑高度以保证混凝土的布料量小于泵送设备的供应量同时保证两层混凝土的间隔时间不超过混凝土初凝时间。PourconcretewiththreeplacingboomsandwithtowercraneincornersUsetowercraneandbackupmobilepumpincaseplacerboombreaksdowntoensurecontinuousconcreting采用三台混凝土布料机进行布料死角处采用塔吊进行布料。如果布料机损坏用塔吊和备用汽车泵进行浇筑保证浇筑不间断。FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:ConcretewillbeplacedlayerbylayerthemaximumthicknessofonelayershallnotbemorethanmmaccordingtotherequirementoftheprojectspecificationPutplacerboomjibrubbertubeintopreparedUPVCpipesforconcretepouringandkeepingthefallsheightofconcretenotmorethanmRefertosketch混凝土将一层一层放置根据规范要求最厚的一层不会超过mm。浇筑时将布料机臂杆端部橡皮管插入已经准备好的UPVC管内进行浇筑避免砼自由落高大于m。见图一。DILLHOLESONUPVCPIPEANDPUTREBARTHROUGHTHEHOLESANDSUPPORTTHEUPVCPIPEONHORIZONLDRENBARCONSTRUCTIONJIONTREBARUPVCPIPERUBBERTUBEOFPLACEINGBOOMDOKAFORMWORKSKETCHCompactionofConcrete混凝土密实TheconcretewillbecompactedusinghighfrequencyimmersionvibratorswillbemmandmmdiameterTherearetotalvibratorsThepatternofvibrationwillbesuchthatthefullmassofplacedconcreteiscompacted混凝土将使用直径为mm和mm的高频插入式振动器进行压实。振捣棒一共FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:根左右。振捣的模式将按照浇注混凝土大块混凝土来进行压实。Concretefinishing混凝土表面终饰Whilstworkisprogressingonthenextlift,alltieboltholeswillbefilledfromthelowerplatformsTieboltholeswillbefilledaccordingtotheFJLNGTankConcreteDefectRepairWorkProcedure(FJLNGQCHUAX),andwillbeinspectedandacceptedbyCBIandDaGangSupervisorsbeforenextlift当工作进行到下一层时所有的对拉螺杆孔将从下平台进行填充修补工作完成需得到CBI和大港监理的许可。ConcretefinishingisasperDDSPCTSSTClause混凝土表面终饰按照规范DDSPCTSST第条要求施工。ConcreteCuring混凝土养护Duringhoursafterconcreting,concretesurfaceisnotallowedofanyoperationFormworkcouldberemoveddaysafterconcretingandtheconcreteshouldbecuredwithcuringagentapprovedbyCBI混凝土浇筑完小时内混凝土面上严禁上人、堆物和其他施工工作。CurehorizontaljointsbycoveringwetsacksRemovesacksafterdaysandwatereverydayThewateringtimeisdeterminedasperdailyweather对于水平施工缝采取覆盖湿麻袋片的方式养护三天后移开麻袋片并每天浇水养护具体浇水次数依照当时天气情况而定。Forwalltwosides,removeformworksdaysafterconcretepouringandapplyoncuringagentapprovedbyCBI对于墙体两侧浇筑天后可以拆除模板并刷CBI批准的养护剂进行养护。TemporaryConstructionOpening临时施工洞口TwotemporaryconstructionopeningswillbecastintothewallasshownontheFujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:drawingsInthefirstliftStayFormstopendswillbeusedtoformthesidesoftheopeningsasappendixSupportfortheformworksystemforlifttwobeingconstructedasappendixThesoffitoftheopeningswillalsobeformedofStayFormsupportedontimbersspanningbetweentheformpanelsFormworkcannotberemoveduntildaysstrengthhasbeenachieved根据所示图纸预留两个临时施工洞口。在第一施工层中用末端固定模板形成洞口的侧面如附件第二层模板系统的支撑如附件设置。洞口的拱腹形成是在模板面板上按照一定距离放置的木方支撑的固定模板。要在天强度达到以后才能拆除。Whennolongerneeded,thedooropeningwillbeclosedandcastusingaletterboxshutterontheouterfaceandagainstthecarbonsteelvaporbarrierontheinsideface当不再需要时需要进行封闭采用箱式外模板内侧支撑在碳钢隔汽板内表面。ContingencyPlans应急方案SufficientbackupplantsuchasstandbyvibratorsshallbeavailableatthesiteIncaseofpumpbreakdown,towercranewillbeusedtokeepconcretingcontinuouslytillthebackuppumpisavailable现场应有足够的备用设备比如振动棒。如果泵损坏了塔吊将会使浇注继续进行下去直到备用泵到达现场。Incaseofaformworkfailure,thepourwillbestoppedandusetemporarystopenderectedortheformtemporarilybracedtoallowthepourtobecompleted如果摸板损坏了浇注将停止。临时安装的扶壁柱或临时拉牢的模板将完成浇注。Controls控制PourswillonlyproceedaftertheRequestForInspectionPriortoConcretinghasbeencompletedandinspectedAllpartieswillsignoffthedocumentreleasingthestructureasreadyforconcrete混凝土浇筑在检验申请表工作完FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:成和检验后才能进行。各方在文件上签字同意可以浇筑混凝土。Duringtheplacementofconcrete,thesamplestakenwillberecordedontheConcretePourRecord在混凝土浇注期间取样将记录在混凝土浇注记录上。SlumpandtemperaturetestingwillbeexecutedonsiteinaccordancewiththespecificationAfterremovaloftheformwork,anasbuiltsurveyoftheformedsurfacewillbecarriedouttoensureconformitywiththespecification坍落度和温度测试将按照规范来进行测试。模板拆除后将会进行成型表面的竣工测量确保符合规范。Access通道ThewallconstructionfortheLNGTankisperformedusingaproprietaryformworksystem,namelyDokaThemajorityofworkiscarriedoutfromthemainplatform,whilstanymakinggood,removalofinsertfixings,tieboltfillingetcwillbecarriedoutfromthelowerplatformsLNG罐体墙体的施工是采用Doka模板系统。绝大多数的工作都是在主工作平台上完成的同时混凝土的修补预埋件的支设和拆除拉结筋的支设在下层平台完成。AccessbetweenplatformswillbebywayofladdersAllladderswillbefirmlytiedintopositionAccesstothelowerplatformsisconstructedwithhingedopeningssoastoavoidopeningsinthemainplatformduringnormalworkingPleaseseeAppendix平台之间的通道是用楼梯实现的。所有的楼梯牢固地固定在定位上。为了在正常工作中避免在主工作平台出现洞口因此安装到下一层的平台通道该通道带活动门。见附件Duringsteelfixingitwillbenecessarytogainaccesstocompletetyingsplicedbarsbetweenindividualcages,fixingofductsandatthebuttressFujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:locationAccesswillbeprovidedtohangingplatformsbywayofsteelladders,whichareequippedwithhooksattheupperendtosecurelyfixtheladder绑钢筋过程中应提供通道来完成独立钢筋笼之间、管道的固定和附壁柱位置拉结筋的绑扎。悬挂平台提供钢筋楼梯通道其在上部末端有弯钩挂保证安全地固定楼梯。TwoaccessstairswillbeprovidednearthebuttresspositionsThesewillbeofscaffoldingmaterialandwillbetiedtotheconcretestructureasworkprogresses靠近附壁柱的位置有两个楼梯的通道。它们是由脚手架钢管构成在工作过程中与混凝土结构拉结。Training培训InitialtrainingfortheinstallationofClimbingconesandFormworkSystemwillbecarriedoutbyDokarepresentativeonsitePeriodicrefreshertrainingwillbecarriedoutatsitebythesupervisorwhoisinchargeoftheformworkThetrainingrecordwillbekeptwithalltrainees’namesThetrainingwillbecarriedoutasfollows:多卡模板代表在现场对悬挂锥体及模板系统进行最初的培训。模板的负责人将对培训过的人进行定期培训。对每次培训进行记录并且清楚地记录培训人员名单。培训过程按以下执行:Anchorinstallationtrainingwillbecarriedpriortocommencingeachliftofanchors在每层锚固件安装开始之前进行锚固件安装培训。Climbingconeinstallationtrainingwillbecarriedpriortocommencingeachliftofconeinstallation悬挂锥体安装之前进行悬挂锥体培训。FormworksLiftingProcedurestrainingwillbecarriedpriortocommencingeachlift在每层模板吊装之前进行模板吊装培训。FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:Safetyplanforwallconstruction墙体施工安全方案Physicalbarriertobeinstalled安装硬围护Thephysicalbarrierwouldbeinstalledaroundtanktopreventunintendedentrytoavoidhittingbyfallingobjectivesiffallingobjectreallyhappens罐体周围将安装硬围护隔离防止无关人员进入以避免落物打击。ClimbingofDokaformwork多卡模板爬升TousetowercranetoliftDokaformworksduringclimbing在爬升期间,用塔吊提升多卡模板。DuringliftingandpositionofDokaformwork,fallingprotectionmeasuresforeachoperator:在多卡模板提升和定位期间每位操作员shouldbeavailable都应掌握防坠落保护措施。(a)Safetyharnessandtiedoff安全带并系牢。(b)Touseladderastemporaryaccessforupdown使用梯子作为上下的临时通道(c)DoubletaglinesshouldbeusedtocontrolmovementofDokaforms使用两根拉线来控制多卡模板的移动。(d)Allloosematerialsshouldberemovedfromthepanelpriortolifting在模板提升之前所有松动材料都要移走。Fallprotection防坠落保护Allpanelshavealreadybeeninstalledhandrailstopreventfalling所有模板都应安装道扶手以防止坠落。SafetynetwouldbeinstalledaroundDokapanelsasfinalbarriertopreventobjectfalling多卡模板周围应安装安全网,作为防护以防止物体坠落。Alltoolsandloosematerialssuchasconcreteblocksandnuts,etcshouldbestoredinboxes,notdirectlyplacedonthewalkwaysandplatformsInspectionFujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:andmaintenanceoftheplatformsandwalkwaysshallbeproceededduringusing所有工具和疏松材料如混凝土块及螺帽都应保存在箱里。而不是直接放置在走道或平台上。使用期间应对平台和走道进行检查和维护。Accessandemergencyaccess通道和紧急通道ConstructionelevatorandemergencyaccesswouldbeinstalledasmainupdownaccessesforpersonnelEmergencyaccesswouldbebuiltwithscaffoldingtubesandcouplersandheightenedwiththeprogressofwallTheelevatorwillbeerectedafterfinishingconcretingofliftRegularlymonitoringandgoodmaintenancewouldbeproceededduringusing升降机和紧急通道将作为人员上下并按墙体的进度进行升高。在完成的主要通道。紧急通道将由脚手架管和接口建成,第层的混凝土浇注后,将支设升降机。在使用期间应定期监控和进行良好维护。Electricalsafetymeasure用电安全措施TouseTNSelectricalsystem(phaseandcables)使用TNS用电系统(相线)Touseonebreaker,oneleakagebreakerandoneconnectorsystemfordistributionboxandswitchbox配电箱和开关盒使用一个断路器一个漏电保护器盒一个连接器系统。Toelevateallcablesaroundpanels电缆随着模板而提升。Toregularlycheckandinspectelectricalsystem,especiallyafterraining定期检查用电系统,特别是雨后。Badweatherplan坏天气计划Tocontinuouslymonitorweathertrendstoadjustworktaskstominimizebadweatherimpacts不断监视天气变化情况,来调整工作任务。使坏天气的影响达到最小化。FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:Iffollowingconditionsappear,thejobshouldbestoppedimmediately:如出现以下状况,应立即停止工作:(a)Liftingshouldbestoppedifwindspeedmorethangrade(,ms)风力达到级(,ms)以上时停止提升工作。(b)Thunderandlightening雷鸣和闪电。(c)Thunderstormiscoming雷鸣暴雨即将来临(d)Typhoonandhurricaneiscoming台风和飓风即将来临Appendix附件Appendix:Typicalfixingpushingarrangementofverticalembedmentplate:竖向预埋件的安装附件Appendix:Typicaltemporaryfixingofhorizontalinsertbeforeafterwelding附件:焊接前后水平预埋件的临时固定Appendix:Rebarnetperformwork附件:钢筋网片预制模板Appendix:horizontalbeamsforliftingrebarmats附件:钢筋网片吊装Appendix:Formworkerection附录:模板安装Appendix:Formworkforlift附件:层模板Appendix:TCO模板图附件:临时洞口处模板Appendix:SteelpipescaffoldsupportatTCO附件:临时洞口处钢管脚手架支撑FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:Appendix:Wallverticalrebar附件墙体竖向钢筋图。Appendix:Trapdoorandladderaccess附件Doka工作平台间通道及楼梯。Appendix:Organizationchartforformworkliftingprocedure附件模板吊装工程组织机构图Appendix:Platformliftinginspectionform附件模板提升前检查表Appendix:Accesslayoutbeforeafterinnershutterlifting附件内外模板通道布置Appendix:Manufactureplanoftowerforsurveycontrol附件测量塔架加工图序号名称规格型号单位数量备注一制冷系统压缩机组AV台冷凝器LN台贮氨器ZA台桶泵组合ZWB台氨液分离器AF台集油器JY台空气分离器KF台紧急泄氨器JX台冷风机KLL台冷风机KLD台冷风机KLD台阀门套电磁阀套管道及支架吨管道及设备保温m管道保温包扎镀锌板吨FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE:附件套二气调系统中空纤维制氮机CAB台二氧化碳洗涤器GA台气动电磁阀D台电脑控制系统CNJK台信号转换器线台果心温度探头台库气平衡袋m个库气安全阀液封式个小活塞空压机台PVC管套附件套三水冷系统冷却塔DBNL台水泵SBLI台水泵SBLI台阀门套管道及支架吨附件套四电仪控系统电器控制柜套照明系统套电线电缆套桥架管线套附件套FujianLNGphraseAdditional##TanksProjectREVISION:MethodStatementfortheConcreteWallofLNGTankPAGE
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