办公区临时用电方案

BASFMDIComplexChongqingProjectCivilFoundationandU/GPipingTheThirdChemicalEngineeringContractNo.:CO-CQ5522-92-L-010ConstructionCompanyofChinaRev.04,4Aug,2012FileNo:MDI-TCC-92L010-MS-0001Page1of28ProjectQualityManagementMethodStatementofOffice&FabricationYardTemporaryPowerMethodStatementforPowerofTemporaryFacilityMDI-TCC-92L010-MS-000144,Aug,2012Issueforapproval320,Jul,2012Issueforapproval27,Jul,2012Issueforapproval121,June,2012Issueforapproval08,June,2012IssueforapprovalWangXiangzhouShiXiarongWangBenquanRevisionDateRevisionDescriptionPreparedByReviewedByApprovedByBASFMDIComplexChongqingProjectCivilFoundationandU/GPipingTheThirdChemicalEngineeringContractNo.:CO-CQ5522-92-L-010ConstructionCompanyofChinaRev.04,4Aug,2012FileNo:MDI-TCC-92L010-MS-0001Page2of28ProjectQualityManagementMethodStatementofOffice&FabricationYardTemporaryPower目录Contents一、概述Briefintroduction二、电气设备的选择SelectionofElectricalEquipments三、施工Construction四、环境保护及安全文明施工EnvironmentalProtectionandHousekeepingMeasures五、安全用电、防火措施ElectricalSafetyandFireProtectionMeasures六、安全应急措施EmergencyResponseMeasures七、安全管理方针及目标、组织机构HSEpolicyandobjectives、OrganizationChart八、现场危害源辩识及控制措施、JSA分析SiteRiskSourceIdentificationandControlMeasures九、使用及维修OperationandMaintenance十、配电系统图PowerDistributionSystemDiagram十一、现场平面布置图SiteLayoutPlan十二、办公区及加工场地临时用电及消防设施布置图TemporaryPowerLayoutandfirefightinginOfficeandFabricationYardBASFMDIComplexChongqingProjectCivilFoundationandU/GPipingTheThirdChemicalEngineeringContractNo.:CO-CQ5522-92-L-010ConstructionCompanyofChinaRev.04,4Aug,2012FileNo:MDI-TCC-92L010-MS-0001Page3of28ProjectQualityManagementMethodStatementofOffice&FabricationYardTemporaryPower一、概述1.Briefintroduction1.1重庆BASFMDI项目临时办公区及临时预制区，包括以下系统：TemporaryofficeareaandtemporaryprefabricationareaofBASFMDIComplexChongqingProjectincludesfollowingsystems:1.1.1办公区照明、空调系统；Lightingandairconditioningsysteminofficearea1.1.2安装、土建、电仪、防腐保温等专业临时设施及预制场地。Temporaryfacilitiesandfabricationyardsfordisciplineteamssuchaspiping,civil,E&I,paintingandinsulation.总配电箱到四个二级配电箱采用放射式配电方式。线路采用YJV22埋地敷设，过路加钢管保护。Radialpowerdistributionisusedbetweengeneraldistributionboxandfoursecondarydistributionboxes.BuriedYJV22cablewillbeused,andsteelpipewillbeprovidedforroad-crossingcables.1.2在系统构建中，配电采用TN-S系统，控制方式为三级控制二级保护。TN-Ssystemisusedinpowerdistributionsystem,andthecontrolmethodisthird-levelcontrolandsecond-levelprotection.1.3编制依据References1.3.1临设规划图；TemporaryFacilityArrangementPlan1.3.2施工组织设计；Constructionexecutionplan1.3.3业主提供现场临时供电平面图。SitetemporarypowerdistributionplanprovidedbyOwner1.3.4中化三建《施工现场临时用电方案编制规定》RegulationsonpreparationofmethodstatementforsitetemporarypowerofTCC1.3.5《建设工程施工现场供用电安全规范》GB50194-93;Safetycodeofpowersupplyandconsumptionforinstallationconstructionengineering1.3.6《施工现场临时用电安全技术规范》JGJ46-2005;Technicalcodeforsafetyoftemporaryelectrificationonconstructionsite1.3.7《电气装置安装工程１KV及以下配线工程施工及验收规范》GB50258-96Codeforconstructionandacceptanceof1KVandunderwiringworkinelectricequipmentinstallationengineering1.3.8《电气装置安装工程电缆线路施工及验收规范》GB50168-2006Codeforconstructionandacceptanceofcablelevelselectricequipmentinstallationengineering1.3.9《电气装置安装工程接地装置施工及验收规范》GB50169-2006Codeforconstructionandacceptanceofgroundingconnectionelectricequipmentinstallationengineering二、电气设备的选择BASFMDIComplexChongqingProjectCivilFoundationandU/GPipingTheThirdChemicalEngineeringContractNo.:CO-CQ5522-92-L-010ConstructionCompanyofChinaRev.04,4Aug,2012FileNo:MDI-TCC-92L010-MS-0001Page4of28ProjectQualityManagementMethodStatementofOffice&FabricationYardTemporaryPower2.Selectionofelectricalequipments2.1用电负荷计算Calculationofpowerload2.1.1P1一级配电箱负荷;LoadofP1primarydistributionbox有功功率计算值ActivepowercalculationP=K(Σk1p1+Σk2p2+Σk3p3+Σk4p4)=1.1*（0.6*58+0.4*49+0.5*37+0.4*35）=1.1*（34.8+19.6+18.5+14）=95.59KW无功功率计算值ReactivepowercalculationQ=K(Σk1p1tgφ1+Σk2p2tgφ2+Σk3p3tgφ3+Σk3p4tgφ4)=127KVAR其中K=1.1K1=0.6K2=0.4K3=0.5K4=0.4tgφ=1.33视在计算负荷ApparentcalculatedloadS=(P²+Q²)½=159KVA计算电流CurrentcalculationI=S/U3½=241A2.1.2P2二级配电箱负荷;LoadP1secondarydistributionbox有功功率计算值ActivepowercalculationP=K(Σk1p1+Σk2p2+Σk3p3+Σk4p4)=1.1*（0.3*40+0.5*2+1*2+0.3*5）=18.2KW无功功率计算值Reactivepowercalculation序号No.负荷名称LoadDescription合计功率(KW)totalpower(KW)1AL办公室照明及空调系统ALofficeandairconditioningsystem582P2配电箱P2distributionbox493P3配电箱P3distributionbox374P4配电箱P4distributionbox355总负荷Totalload179序号No.负荷名称Loaddescription额定功率（KW）Ratedpower数量Qty.合计功率(KW)Totalpower1直流电焊机DCweldingmachine104402型材切割机Sectionsteelcutter2123照明Lighting1224其它机械Othermachines555总功率(KW)Totalpower49BASFMDIComplexChongqingProjectCivilFoundationandU/GPipingTheThirdChemicalEngineeringContractNo.:CO-CQ5522-92-L-010ConstructionCompanyofChinaRev.04,4Aug,2012FileNo:MDI-TCC-92L010-MS-0001Page5of28ProjectQualityManagementMethodStatementofOffice&FabricationYardTemporaryPowerQ=K(Σk1p1tgφ1+Σk2p2tgφ2+Σk3p3tgφ3+Σk4p4tgφ4)=1.1*（0.3*40*1.33+0.5*2*1.33+1*2*1.33+0.3*5*1.33）=24KVAR其中K=1.1K1=0.3K2=0.5K3=1K4=0.3tgφ=1.33视在计算负荷ApparentcalculatedloadS=(P²+Q²)½=(18.2²+24²)½=30KVA计算电流CurrentcalculationI=S/U3½=45.6A2.1.3P3二级配电箱负荷;LoadofP3secondarydistributionbox有功功率计算值Act