英文-布勒機械施工組織設(shè)計五冶金建設(shè)

Construction,Organization&DesignforTemporaryFacilitatesAintheRelocationProjectofWuxiBuhlerMachineryPlantQuotationProposalNo.5MetallurgicalConstructionCorporationofChina,WuxiSubsidiary2008.8.24

ContentChapterⅠGeneralinformationandfeaturesofprojectandanalysisofdifficultiesI.GeneralinformationofprojectII.ConstructionfeaturesandanalysisofdifficultiesChapterⅡProjecttargetsandcontrolofConstructionscheduleI.ProjecttargetII.ControlofConstructionscheduleAnnex:ConstructionpreparationsandentryplanAnnex1:PlanandallocationoflaborAnnex2:Listofmainmachinesforroad&groundworksAnnex3:ListofmainmachinesexpectedforcivilconstructionChapterIII ConstructiondeploymentandgenerallayoutI.ConstructiondeploymentII.ConstructionprojectmanagementandorganizationIII.ConstructionpreparationIV.Constructionlayout1.Overalllayoutdesign2.Layoutoftemporaryfacilities3.Temporaryelectricitylayoutforconstruction4.Temporarywatersupplyanddrainagesystemlayoutforconstruction5.MarkChapterIV MajorconstructionformulaandkeyworkstagesA.TemporarymatchingconstructionworksI.EngineeringsurveysII.MainprocessflowtheworksIII.EarthworksIV.ThefoundationworksV.SteelstructureVI.GroundworksIX.InstallationofaluminumalloydoorsandwindowsB.Roadconstruction1.RoadconstructionI.MainworkingprocedureofroadconstructionII.ConstructionformulaofearthworksofroadbedandcurbstonesC.Water/electricitysystemsoutdoors1.Mainconstructionprocedures2.SeweragesystemoutdoorsChapterⅤProjectQualityControlPlan1.Qualitytarget2.Measurestoguaranteeengineeringquality3.ProcesscontrolofconstructionqualityI.ProcesscontrolofconstructionmethodII.ProcesscontrolofmaterialsupplyIII.ProcesscontroloftestsIV.Controlofnon-conformityproductsV.CorrectiveandpreventivemeasuresVI.Handling,storage,protectionanddeliveryIX.ControlmodeandkeypointofconstructiontechnologyChapterⅥ SafetyandHealthSchemeI.On-siteRegulationsII.SafetyStandardActIII.HousekeepingworkduringconstructionperiodIV.ConstructionElectricityUseRegulationsV.FireprotectionmeasuresVI.JobsitescivilconstructionVII.WorkingatNightChapterⅦ EmergencyResponseMeasuresI.EmergencyResponseMeasuresChapterⅠGeneralinformationandfeaturesofprojectandanalysisofdifficultiesI.Generalinformationofproject1.ProposalscopeTheprojectisfortemporaryfacilitiesAintherelocationprojectofWuxiBuhlerMachineryPlant.Proposalscopeincludestemporarywalls,offices,toilets,entry/exit,guardroom,groundleveling,roadbedoftemporaryroad,outdoor/indoorwaterandelectricitysupplyandotheritemsontheconstructiondrawings.2.GeneralinformationofprojectGeneralinformation1.Owner:WuxiBuhlerMachineryPlant2.Project:TemporaryfacilitatesAintherelocationproject3.Projectlocation:XuedianRoad4.Designer:WuxiIndustrialConstruction&DesignInstitute5.Projectterm:temporarilydefined30dayssinceAugust28th2008tillSeptember26th2008,6.Qualitystandard:Guarantee100%qualificationwithinonceacceptance8.WorksNOBuildingStructureformRemark01TemporaryguardroomSteelstructure,one-floor02TemporaryofficesSteelstructure,one-floor03Outdoor/indoorwaterandelectricitysupplyStrong/weakcurrent,drainageandetc.04TemporaryroadsConcrete,gravelandetc.Excludedfinish05WallsColoredsteelsheetSiteconditions:Constructionsiteislarge,facilitatestransportationofConstructionmaterialsandequipments,andmatcheswithConstructionconditionsforauxiliaryworksandoutdoorworks.II.Constructionfeatures:1.QualityTheprojectconstructioncoversseveraldisciplinesandraiseshigherquality.Thereforegoodqualityshallbekeptinmindthroughtheconstructionprocess.Pooleffortstoimproveprojectmanagementsystem,optimizeconstructiontechnicalproposal,strengthentechnicalhandover,strictlycontrolmaterialqualityandprocesscheck,intensifyprotectionforsemi-productsandfinishedproductssothatqualityofeachsection,itemandstepisguaranteedoptimumtoestablishonemodelproject.2.ScheduleMainbottle-neckoftheprojectisurgentschedule.Tomeettheschedulerequirementandfinishallauxiliarybuildings,outdoorwaterandelectricitysupply,roadpavement,andgroundwithinthemainschedule,wewillpoolsufficientlabor,machinesandequipmentsandturnovermaterialsontheonehand.AndontheotherhandwewillprepareonedetailedConstructionschedule,reasonablyallocateConstruction,conductmulti-processessimultaneouslyaspossibleandstrictlycontrolessentialprocessestoguaranteerequiredscheduleorforadvancecompletion.3.SafetySafetymanagementistheimportantpartofprojectmanagement.Largequantityoflaborandmechanicalequipments,broadconstructionareaandmuchsafetyprotectionworkloadraisehigherrequirementforsafetymanagement,onedynamicmanagement.5.CivilizedconstructionProjectlocatesintheWNDsothatitisnecessarytoensurecivilizedconstructioninthedefinedareaandprotectsurroundingenvironment.Meanwhilenoiseanddrainageofconstructionsewageshallbecontrolled.6.ConstructionpreparationsandresourceallocationItisrequiredtomakeearlyplanforconstructionpreparations,on-sitegenerallayout,organizationofresourcesandentry/exitarrangementbecauseoflargequantityoflaborandmechanicalequipments.7.Constructiondifficultiesofmainworks(1)Worksofoutdoor/indoorwaterandelectricitysupplyandin-planttemporaryroadsmakescoordinationhard.(2)Water-proofanddecorationoftemporarycolored-sheetroofisoneoftheessentialpartsofwholeproject.Adoptreasonableandeconomictechnicalproposalandcoordinateprocessesreasonablysothatscheduleandqualityisguaranteedandconstructioncostisreduced.8.CostcontrolToprovidesatisfactoryserviceandmakepropercontributionstoowner,projectwilladoptcompetitionpolicywithpreferentialprice.Thereforeprofitcanonlybemaximizedbycontrollingandreducingprojectcostbymethodssuchaspreparingcostplan,implementingcostcontrol,strengtheningcostestimation,strictlycontrollingcostevaluationandoptimizingconstructiontechnicalproposal.ChapterⅡProjecttargetsandcontrolofConstructionscheduleI.Projecttargets1.Qualitytarget Guarantee100%qualificationwithinonceacceptance2.Targetofstart/completiondateandscheduleIfwewoninthebidcompetition,weguaranteetofinishallworkswithin30calendardaysonSeptember26th2008.ConstructionschedulewillstartfromAugust28th2008andendonSeptember26th2008.3.TargetofsafetyandmanagementforcivilizedconstructionTryourbesttocreatethecivilizedconstructionsiteandavoidanyinjury.IIControlofconstructionscheduleScheduletargetistofinishallworkswithinguaranteedperiod.Detailedarrangementpleasereferstonetworkcontroldiagramofconstructionschedule.Consideringlargequantityofworkloadandurgentschedule,wewilldrawupplandetailsandofferassistanceintheviewoforganizationmechanism.(1)OrganizationassistanceProjectwillbeconductedinclosecompliancewithprojectstandardstoensureorganizationassistance,sufficientandcompetentlaborandeachworkerwithspecialassignment.(2)ReasonableplanningPrepareconstructionorganizationdesignandconstructionplanbeforeconstructionandstrictlyenforcethemaftertheyarereviewedandapprovedbysupervisionengineer.Preparethegeneralscheduleplan,monthlyplanand10daysplan.Persistonthesystemofweeklymeetingtocheckandimplementperformanceofplans.(3)Propermanagement1.ControlmanagementofmechanicalequipmentsEnsureentryofmechanicalequipmentsasscheduled.Combineandcoordinateconstructionmachineriesduringequipmentallocationtoachieveoptimumeffect.Paymoreattentiontomaintenanceandservicetoimproveintactnessandusageofmechanicalequipments.2.CarryoutallbylawsOurbylawsarerelativelycomplete.Duringtheconstruction,conductallmanagementsystemswithfocusonsystemofpostresponsibility.Takefulluseofeffectsofallfunctionalunitsuponoperationtoensureconstructionscheduleandgoodconstructionquality.Eliminateanybadoccurrencelikeidlenessandreworking.3.DevelopworkcompetitionandemphasizestimulationsystemWealwaysdevelopvariouskindsofworkcompetitionduringconstructionofundertakenprojectstoinspireworkingpassion,quickenprojectschedule,improveconstructionquality,reduceconstructioncost,createmoreeconomicbenefits,increasestaff’sincome,andadvanceenterprisedevelopment.Forthisproject,wewillcontinueoneffectiveworkcompetitionandutilizeflexiblestimulationsystemtoensuresuccess.Annex:ConstructionpreparationsandentryplanWorkUnitQty,DescriptionStart/completiondate/dayssincestartResponsibleWater/electricity/gassupplynetworkandlevelground5LaborarrangedbyprojectmanagerMeasurement&location7Road5Watersupply&drainage7Constructionwater7Livingwater7SitedrainageSiterainwaterandsewagearedrainedoutsideaftersedimentationtreatment.10ElectricitysupplyResolveconstructionmachinesandillumination7OutsidetrunkResponsibilityofprojectowner7SitetrunkFromPartyA’sfeeder7ElectricalconsumersforconstructionDistributionaccordingtoprojectscheduleanddemands7TemporaryfacilitiesResolvesiteofficesandoperationstructure15OfficestructureForprojectmanagers15LivingstructureToiletsandinfirmaries15OperationstructureSteelbar,wooden-frameworker,mechanicalservice,electricianandetc.15SimpleshelterProtectionshelterofmachineryandrain-proofshelterofmaterials15TechnicaldocumentsCollectedincompliancewithstandardsofqualifiedconstructionprojectPreliminaryestimationofdesigndrawingsAsperpoliciesandregulationsfordesigndrawingsandpreliminaryestimation10ReviewofpreliminaryestimationfordrawingsResolveproblemsindesignandpreliminaryestimation10ConcludecontractsRelieduponagreedconditionsbetweenPartyAandPartyBDesignhandoverDesignerandPartyAworkwithPartyB10ConstructionorganizationdesignPreparedbyPartyAregardingtoprojectfeatures7Agreementofpre-madestructuralmembersHandled2monthsinadvanceaspersheetofpreliminaryestimationPlanofmaterialsupplyPreparedasperconstructionscheduleandplanningSitearrangementArrangementaspergeneralschedule2WorkmanagementManagementaccordingtoprojectschedule5StartapplicationreportHandledaftercontractsignatureSiteloftingAsperdesigndrawingandstandardcollectionofapproveddrawingsInspectionofmeasurementequipmentsAsrequiredbymunicipalmeasuringauthorityInstallation&trial-runningofmotorEnsurenoaccidentduringcontinuousoperationMaterialtest,designtestforproportioningratioofconcreteandmortarSampledbyWuxilaboratorywithfirstqualificationlevelthatshallprovidecorrectproportioningratioAnnex:Planofprojectstart/completionandexitAnnex1:PlanandallocationoflaborNo.PhasePreparationCivilengineeringconstructionOutdoorroadpavementOutdoorgroundconstructionFinalworksWorksPopulationPopulationPopulationPopulationPopulation1Brickerlayeood-worker101520523Steel-barworker81515324Scaffolder/462125Electricalwelder224416Electrician234417Pipingworker6210518Painter3/319Auxiliaryworker35552Totaledin4966947132Annex2:Listofmainmachinesforroad&groundworksNoEquipmentUnitQty.ApplicationRemark1ExcavatorSet1Excavateearth2BulldozerSet1Leveltheground3RoadrollerSet2Compacttheground15T,25T4ConcretemixerSet1Concreting5Vacuumwater-absorptionpumpSet1Absorbwateronthesurface6ConcretefinisherSet1Finishconcretelayer7FrogrammerSet2Compactthefloor8GeneratorSet1Temporarypowersupply70KW9Whole-stationinstrumentSet1MeasurementAnnex3:ListofmainmachinesexpectedforcivilconstructionNo.EquipmentSpec.Qty.OriginalplaceManufactureyearRatedpowerKWProductivityApplicationpostRemark1ACelectric-weldingmachineBXT4001Jianhu200221Welding2DCelectric-weldingmachineAX4-3001Yangzhou200230Welding3DisksawYPJ-21Wuxi20024.0Woodprocessing4Manualelectricalsaw1WuxiPurchasedlater1.5Woodprocessing5Concreterammer1Yangzhou20027.5Makemortarandpartialconcrete6MortarmixerHJ-200A1YangzhouPurchasedlater5.5Makemortar7PlatevibratorZW-51ShanghaiPurchasedlater2.0Concreting8VibrationrodZP-352WuxiPurchasedlater1.1Concreting&mixing9backhoe120021mExcavateearth10FrogrammerHM-602Wuxi20026.0Backfill11SubmergepumpQY-351Shanghai現(xiàn)購2.2Waterpumping1213141516ChapterIII ConstructiondeploymentandgenerallayoutI.Constructiondeployment(1)PrincipleofconstructiondeploymentFacingtoughcompetitionofbuildingmarket,allworkintheengineeringconstructionshouldadequatelyreflecttheenterpriseguidelineandspiritofourcompany,emphasizingon“constructioncontrol,qualitycontrolandcreationcontrol”toorganizeandinstructtheconstructionaccordingtothespecificcharacteristicsofthisproject,whichconcretelyimplementingthefollowingtasks:providingthemostexcellentprojectmanagersector,assigningtheconstructionteamthatworkshardandisaptatovercomingvariousdifficulties,adoptingadvancedtechnicalmanagementandwell-equippedconstructiontools,soundandscientificconstructionscheduleandconstructionscheme.Allsubsectionanditemsofthisprojectwillnotbesubcontractedwithoutexception.(2)ProjectdevelopmentprocessIntermsofourcompany’sconstructioncapabilityandthesimilarprojectconstructedasbefore,wearedeterminedandconfidenttocompletetheprojectwithhighqualityonschedule,providegoodservicefortheearlyapplicationofclient.Theconcreteconstructiondeploymentareasfollows:1.Constructionprocessschedule(1)Planeconstructionsectiondivision:Owingtothesomanyspecialtiesofthisproject,inordertocontroltheconstructionquality,plantodivideintotwo-constructionsectionaspertheauxiliarybuilding,indoor&outdoorwaterandelectricity,road,andorganizetheconstructionrespectivelybyrelevantprofessionalteamsundertheunifiedmanagementofprojectmanagersector.2.ConstructionimagescheduleInaccordancewiththepromisedtimelimitforthewholeproject,consideringthereasonssuchasrestrictedtimelimitforthisproject,largeareaofplanewithintersectinglimitation,theconstructionimagescheduleisasperthebudgetedman-dayincontractdocumentandshopdrawingandactualconstructionconditioninsite.Thedetailsseeconstructionschedule.II.Constructionprojectmanagementandorganization1.Establishthetriplemanagementsystem:projectmanagerdirects,deputyprojectmanagerandpersoninchargeofprojecttechnologycarryouttheintermediatecontrol,andallfunctionalofficesareresponsiblefortheimplementation,whichwillformanetworkmanagementsystemfromconstructionworkingproceduretoallsubsectionanditemsoftheprojectinhorizontalorientation,andfromprojectmanagertoworkteaminverticalorientation,establishascientificmanagementsystemtakingschedule,quality,safeandcivilizedconstructionaskey,combiningprofessionalmanagementwithsupervisionandinspection.2.Projectmanagershouldbethepersonwhohasbeenawardedthecivilizedsiteprize.Heisincompletechargeoftheschedule,qualityandsafetyofproject,civilizedconstructionandcostcontrol.3.Deputyprojectmanagershouldtakechargeofthetotalconstructioncontrolforcivilengineeringconstructionandcontrolforschedule,safetyandcivilizedconstruction.4.Personinchargeofprojecttechnology(1)Responsibleforthetotalprojecttechnologycontrolandestablishmentandsuccessfuloperationofqualityassurancesystem.(2)Responsibleforthecreationandreviewforconstructionorganizationdesignandspecificconstructionscheme.(3)responsibleforcompilingprojectqualityplan,organizingtheapplicationof“FourNewTechnology”,QCgroupactivity,commonfaultcontrolinqualityandtechnologybreakthroughtoguaranteetheimplementationofengineeringqualitytarget.(4)Responsiblefortheroutinetechnicalmanagementofprojectdepartment.5.Mainmanagerialpersonnel(1)foremanforconstruction：inchargeoftheconstructionproductionandschedulecontrolofsubsectionanditemsofproject.(2)Builder:inchargeoftheon-sitedeliveryandimplementationforsubsectionanditemsofprojectconstructiontechnology.(3)Qualityinspector:inchargeofthequalityinspectionandsupervisionforallproceduresintheoverallconstructionprocess.(4)Safetypersonnel:inchargeofthesafetycontrolandpreventionmonitoringintheoverallconstructionprocess.(5)Contractbudgetpersonnel:inchargeofconstructioncostcontrolandengineeringbudgetandfinalaccounts.(6)Materialpersonnel:inchargeoftheprocurementandacceptanceofmaterial.(7)Equipmentsupervisor:inchargeoftheroutineinspection,serviceandmaintenanceforconstructionmachinery.(8)Fileclerk:nchargeofthecatalogue,collection,transmission,arrangementandfilingforrelevanttechnicalinformation.(9)Surveyor:inchargeofthelocating,line,heighttransmissionandsettlementobservationforconstructionsurvey.(10)Tester:inchargeofthesampling,submissionforinspectionandretestforrawmaterialandthefabrication,maintenanceandtrialfortestpiece.(11)Civilizedconstructionsupervisor:inchargeofthecivilizedconstructionforprojectandcreation&controlforenvironmentalhygiene.(12)Material-pickpersonnel:inchargeofthemateriallimitedpickandeconomicalcontrolforon-sitematerial.III.ConstructionpreparationI.Infieldpreparation1.Studytheshopdrawings:allfieldmanagerialpersonnelshouldbefamiliarwithshopdrawingsandestablishthespaceconceptofstand-bybuildingsreferringtothepertinentstandarddrawingsandinformation,extractingtheproblemsatanymomentduringthestudytoprepareforjoiningintheinternalcheckandreviewofdrawings.2.Compiletheconstructionscheme,mapouttheprocessflowandwritedownthetechnicaldraft.3.Compiletheconstructionbudget.Accordingtothequotationsheetandengineeringbudget,combiningwiththeconstructionorganizationdesignandconstructiontechnology,takeadvantageofdatainformationtocompiletheconstructionbudgetmatchinguptothepracticalconstruction.4.Duplicatethesample,workouttheprocessingplanformaterial,toolsandsemi-finishedproductreferringtoallprofessionaljobdrawings.5.Compiletheworkplaninstagesaccordingtotheoverallscheduling.6.Workoutthepertinenttechnicalqualityrequirementsandmanagementcriterioninaccordancewiththerequirementsofconsistentstandard.II.Outfieldpreparation1.Maketheinspectionandassayforrawmaterialandtrial-proportioningforconcreteandmortar.2.Makethecontrolsurveypointandmainguidepile,ormakethebuildingorientationifconditionpermits.3.Surveythebenchmark,completetheimpermanentbenchmarkandenclosurewell.4.Levelupthefield,buildandrepairthetemporaryfencesusedforconstruction.5.Accordingtotheconstructionplan,laytheup-and-downwaterpipe,digthesedimentationbasin,placethetemporaryroad,planandhardentheconstructionsite,setupthevehiclewashingtrough.6.Setupthetemporaryfacilities,switchonthepowersupplyfromdistributionroomtoeachapplicationpoint.IV.ConstructionlayoutI.overalllayoutdesignAccordingtotheschedulingofconstructionsite,carryoutthedynamiccontrolofsubcontractingtoconstructionoveralllayoutundertheinstructionofgeneralcontracting,completethezoningschemeinstagesandinmajors,makethecompactcollectivemanagementrelativelyindependent.Basedoncreatingthedemonstrationprojectofcivilizedconstruction,trytobuildthegenuinegarden-styleconstructionsite,produceagoodtrademarkimageforallsidesthatparticipatetheconstruction.II.LayoutoftemporaryfacilitiesRoadsinconstructionsitearemainlyaspertheexistingroadsystem.OutfieldroadismainlydominatedbyXuedianRoad.1.Officebuildings:(1)Officebuildingsforowner,supervisorandgeneralcontractingsiteadoptthetemporarycamphousemadebycolorsteelplateofonestorey.（asshowninfigure）(2)Officebuildingsforconstructionareplannedtobeclosetotheaboveofficebuildings,settinguptheunifiedcamphousemadebycolorsteelplateofonestoreywithsizeof3.6×6.0meach.2.Livingquarters(1)Dorm:outsidetheconstructionsite(2)Toilet:setuptwowater-flushtoiletsof7.0m×7.2msizeatonesideofdorm,andtwocesspoolsof4m×3m×2.50msizeoutsidethetoilet.Thedischargedsewerageshallbeputthroughthedrainoutletpipelineonconstructionsiteandsomebodyisspeciallyassignedtobeinchargeofthecleaning.(3)Canteen:outsidetheconstructionsite,sendforlunch.3.Guard:setuptwoguardrooms,theguardsshallbeinchargeofsecuritydefenseandfirefightingforallpersonsonconstructionsiteandin-and-outmaterials.4.Vehiclewashingstand：inordertoensurethecleanlinessofwholeconcretevehiclewhenplacingandgrindingtheconcrete,andavoidthe“cast,splash,drop,leak”affectingthecleanlinessofurbanroads,onthearterialroadofconstructionatthenorthernsideofmajorentranceandexitsetupvehiclewashingstandandimpoundingreservoirforwashingthevehiclebeforeitsgoingout,allseweragedisposedthroughsettlementdischargeintothedrainagenetworkonsite.III.TemporaryelectricitylayoutforconstructionAccordingtotherequirementsofthisproject,onsitesetuponedistributionroomof500KVA.Inordertoensurethenormalpowersupplyforproducingareaandsafeutilizationofelectricityforlivingquarters,temporaryutilizationofelectricityforconstructionisseparatelylaidintheplan,thusindependentpowertransmissionsystemisrespectivelyformedinofficearea,livingquarterandproducingareaforconstruction.1.ElectricitylayoutinconstructionareaAccordingtothepowerequipmentlayoutonconstructionsite,inordertorealizetheequalutilizationofelectricity,thisprojectwilllaythecablebythreelines,onelineisswitchedfromthepowersupplytotemporaryfacilities,anotherlineisforwatersupplyandroad,andthelastlineisforliving.2.Allcablesarelaidalongthesiteroadandburiedunderneaththeground40cm,fillingupsandcoveredwithonelayerfire-claybrick.Thespecificationofcableis3×25㎡,equippedwithatleastfivegeneraldistributionboxes.allnodesofelectricityforconstructionareswitchedfromgeneraldistributionboxes,whicharefixedwithsupportabutment.IV.Temporarywatersupplyanddrainagesystemlayoutforconstruction1.Temporarywatersupplylayoutforconstruction(1)Waterinletmanifoldissuppliedtotheconstructionsitebyowner.Consideringthelargeoccupyingareaanddispersedwaterconsumptionpointofthisproject,plantosetuponesagsinkatthemaininlet,adoptoneboosterpumpforwatersupply.On-siteinternalmanifoldadoptswaterpipeofφ100,allbranchpipesareofφ50.(2)Exceptthetapssetinwaterconsumptionpointsforconstructionandliving,allotherpointsareplannedtosetupthetapsofφ20around.2.LayoutofdrainagesystemThedrainagesystemofwholesiteisthroughthemaindrain,afterseveralsettlement,thendischargeintotheurbansewer.V.Mark：Ontheentranceandexitroadgoingtotheofficearea,hangfourplatesonedrawingforconstruction,andsafetyalarmplateinthesafetyalarmposition;popularizationmarkaboutownerandcontractorhungonthebuildingandfences.ChapterⅣ MajorconstructionformulaandkeyworkstagesA.TemporarymatchingconstructionworksI.Engineeringsurveys1.Theentireworks’engineeringsurveysarepositionedonthebasisofthebuilding’splanandwiththehelpofthemasterplan’sroadbedcoordinates,theprincipleofcontrolbeingthatlocalworkscomeaftertheentireworks.Rectangularcontrolmappingwillbesetuponsite.Rectangularcontrolnetworkwillhaveitsnetworkformedupbymajoraxesofthebuilding,whoseguidingpileswillbereadybeforetheexcavationworksbegin,whichwillserveasthebasisoftheplancontrol.PositionedloftingAllcoordinateswillbesetonthesiteandpositionedwithpilesaccordingtotheconstructiondesigndrawing’scoordinateslatticenetwork.Afterthat,withthepilesofthecoordinatesandaccordingtothedesigndrawingtheborderlineswillbelaidoutonsite,alsotheboundariesofthemaingroundstructuresandzeropointlinebetweenexcavationareaandbackfillarea.Afterthatthelevelheightofthecoordinateswillbeworkedoutandmarked,indoingthatattentionwillbepaidthatcommonbasepointisusedasmuchaspossible.Surveysandprojectionofthebuildingwillbecompletedonaone-timebasiswiththehelpofthecoordinatedonsiteandaccordingtothematerplanandtherelativepositionsoftheexistingbuildings.Thengantrypileswillbesunkattheturningpointsinthebuilding’speripheralsandtwoendsofthelongitudinalwalls.Thenextworkstagewillstartaftertheclientandtherelevantplanningunithasmadeacceptanceinspectionandrecordofacceptanceofpositioningisready.Firsttimepositioningandloftingwillbethebasisoffoundationposition.Beforeexcavationandfoundationworksstart,recheckwillbemadeofthegantrypilesandotherpositioningpointstobesurethateverythingiscorrect.Incaseanythingisfoundtobeincorrect,itwillbeputtorightintimeandrelevantrecordwillbemade.II.MainprocessflowtheworksPositioningandloftingrecheckoftheloftingmanualexcavationC10bottomlayerfoundationwallsindoorsbackfillandcompactinggravellayercompactingupperpartsteelstructureworksroof/wallcoloredsheetsworksinteriordecorationfloorsanddoors/windowsIII.Earthworks1.Excavation1.1Waterdrainagefacilitieswillbereadybeforeexcavationstarts.Stripfoundationswillhavearoundthemdrainditchesof200*200linedwithgravel,matchedwithφ600mmwatertraps,whichwillbe500deeperthanthefoundationpit.Waterdrainagewillbeorganizedandpumpwillbeusedfordrainingatanytimetoensurethattherewillbenowaterdepositduringconstructionworks.2.Backfill(1).Withcompletionoffoundationworksearthbackfillmaystartimmediatelyafteraccep