AshlandUPRExpansionProject(Phase2)ElectricalWorkPlan常州亚什兰不饱和聚酯扩建(二期)项目电气施工方案19.4ElectricalWorkPlan电气施工方案1.ActualQuantityofWork工程主要工程量1.1Actualquantityofelectricalwork电气主要工程量S.N.序号Description名称ModelandType型号规格Unit单位Quantity数量1Distributionpanel,cabinet配电盘、箱Set台242Cable电缆M米177553Cabletray电缆桥架M米3844Explosion-proofpushbutton防爆按钮Pc.个415Steeltube钢管M米45246Kindsoflightingfixture各类灯具Set套337AshlandUPRExpansionProject(Phase2)ElectricalWorkPlan常州亚什兰不饱和聚酯扩建(二期)项目电气施工方案22.ElectricalConstructionProcedurewithqualitycontrolpoint带质量控制点的电气施工程序BlockChartofElectricalConstructionProcedure电气施工程序方框图PreparationInstallshapedsteelCoordinatewithcivilcontractor'sburyingworkLightingtubingInstallgroundinglugInstallcabeltrayLeadcableinthetubeInstalltransformer、panelandcabinetLaygroundingcableElectricalequipmenttubingInstalllightingfixtureEarthingresistancemeasurementTestmeters,gaugesandrelaysCablelayingTirallightingonFabricatecableheadandwiringSystemtestSystemsimulationtestSingleunittestrunAshlandUPRExpansionProject(Phase2)ElectricalWorkPlan常州亚什兰不饱和聚酯扩建(二期)项目电气施工方案3施工准备基础型钢安装配合土建预埋照明配管接地板安装电缆桥架安装管内穿线变压器、盘柜安装接地线敷设电气设备配管灯具安装接地电阻测量表计、继电器等试验电缆敷设试亮电缆头制作、接线系统调试系统模拟试验单体试车AshlandUPRExpansionProject(Phase2)ElectricalWorkPlan常州亚什兰不饱和聚酯扩建(二期)项目电气施工方案43.ConstructionMethodandTechnicalRequirements施工方法及技术要求3.1Installationofpanel,cabinetandbox盘柜箱的安装3.1.1Foundationshapedsteelshallbeleveledaccordingtotheindoorfloorelevationpriortotheinstallationofpanelandcabinetwithanallowanceas1/1000andamax.heightnomorethan5mm.盘柜安装前先进行基础型钢按室内地坪的标高找平,其误差为1/1000,最大不超高5mm。3.1.2Electricalelementsandequipmentshallbecheckedfortheirmodels,sizesaccordingtothedesigndrawingwhethertheyareincompliancewiththedesignandtheelectricalelementsaredamagedornot.盘柜安装前应根据设计图纸对电气元件设备进行核查型号、规格是否与设计相符,电气元件有无损坏。3.1.3Levelnessandverticalityoftheinstalledpanelandcabinetmustbeaccordingtothefollowingstandards盘柜安装的水平度、垂直度必须在以下标准内。Item项目Allowance允许偏差mmVerticality(permeter)垂直度(每米)1.5Topoftwoadjacentpanels相邻两盘顶部2Topoflinedpanel成列盘顶部5Sideoftwoadjacentpanels相邻两盘边1Levelerror水平偏差Planeoflinedpanel成列盘面5Jointsbetweenpanels盘间接缝23.1.4Electricalelementsinthepanelshouldbeverified,testedandsetaccordingtospecifications.盘柜内的电气元件应按照规范要求进行校验、测试和整定。3.1.5Panelsandcabinetsshouldbefixedtightly.PrimaryandsecondaryloopintheAshlandUPRExpansionProject(Phase2)ElectricalWorkPlan常州亚什兰不饱和聚酯扩建(二期)项目电气施工方案5panelshallbeconnectedfirmlyandcorrectlywithclearcodenumberandproperwriting.盘柜应固定牢固,盘内一、二次线,应连接牢靠、正确。编号清晰,字迹端正。3.1.6Panelandcabinetfoundationshallhavereliablegrounding.盘柜基础要有可靠接地。3.2Cableandcabletraywork电缆及桥架的施工3.2.1Cableintheplantshallbelaidinthelarge-spanladdertypethroughcabletray,whichshallbedistributedtodifferentareasalongthepiperackandguidedtoprotectivepipeofpowerequipment.本装置的电缆敷设在大跨距梯级式直线桥架内,桥架沿管廊敷设至各区,引向用电设备穿保护管。3.2.2Cabletechnicalconditionshouldbecompletewithmanufacturer’squalitycertificate,andtheirspecificationandlengthshallbeinaccordancewiththedesignrequirement.电缆的技术条件必须齐全,有出厂合格证,其规格、长度应符合设计要求。3.2.3Cableprotectivepipeshallbeaccordingtodesignrequirement.Pipeopeningshallbesmoothwithoutanyburrs,andbentradiusshallnotbesmallerthanthemin.bentradius(10times)ofleading-incable;电缆保护管应符合设计要求,管口光滑无刺,弯曲半径不能小于所穿入电缆的最小弯曲半径(10倍);3.2.4Cabletrayshallbeinstalledfirmly.Onthesamelevelofcabletray,itsleveldeviationshallbenomorethan5mm.Deviationsattheleftandrightsidesalongcabletraydirectionshallnotbelargerthan10mm.电缆桥架应安装牢固,在同一水平面上的桥架其水平误差不得大于5mm,桥架走向左右的偏差不应大于10mm。3.2.5Whencableshallbeledinandoutofthecabletray,aholeopenershouldbeappliedtomakeholesonthecabletray.Nogasweldingandburncuttingshallbeallowed.电缆引入引出桥架时,必须用开孔器在桥架上开孔,不得用气焊烧割。AshlandUPRExpansionProject(Phase2)ElectricalWorkPlan常州亚什兰不饱和聚酯扩建(二期)项目电气施工方案63.2.6Cableshallbetestedandinspectedaccordingtospecificationpriortoitslaying.Electricianshallpreparecablelayinglistaccordingtothedesignandactualsitecondition.Cableshallbelaidbythelayingorderfromthefartothenearorbythetraynumbermanufacturedaccordingtoset-lengthtoavoidintermediateconnectioncausedbyinsufficientlength.电缆敷设前应按规范要求进行试验检查,电气技术人员根据设计及现场实际情况编排电缆敷设表,敷设秩序应先远后近或按定长制造的盘号敷设。避免长度不够造成中间接头。3.2.7Cablelayingmustbeearnestlyandwellprepared.Plentyofmanpower,cablelayingkits,cablereelshouldbearranged,andtechnicianshallbeassignedtocommandacontrolthework.敷设电缆一定要认真做好准备工作,人力的安排、敷设电缆的工器具、电缆盘摆放位置均要充分准备,并有技术人员全面指挥。3.2.8Withintheexplosion-proofareaofthisplantshallbeavoidedfromintermediateconnectionofthecable.Cableafterlayingshouldnotbecrossed,twistedandattheturningcorneraproperallowanceshallberemained.Noover-tensionshallbeallowed.在本装置的防爆区内应避免电缆中间接头,电缆敷设后不应交叉、扭绞,拐弯处应有余量,不应拉得过紧。3.2.9Marksandlabelsshallbeputonthecableafteritslayingandcabletagshallbesuspended.电缆敷设后应做标识,挂上电缆牌。3.3Electricaltubing电气配管3.3.1Electricaltubingmustbeaccordingtothedesignandspecification.Thelevelnessorverticalityofinstallationshallhaveanallowanceof1.5‰.Itsfulllengthshallnotbelargerthan1/2ofinnertubediameter.Theopentubingshallbehorizontalandvertical.Max.distancebetweenpipeclampshallbenolargerthanthefollowingtable:电气配管必须符合设计要求和规范规定,其水平或垂直安装的允许偏差为1.5‰,AshlandUPRExpansionProject(Phase2)Elect