Hotwork热作业动火作业培训

HotworkSNPTHSETraining2|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyWhatisHotWork？什么是热作业？Aworkwillgeneratesufficientenergy(e.g.heat,sparks)toigniteflammableorcombustiblegaswhichincludeswelding,cutting,burning,brazing,grinding,andtheuseofopenflameetc..能够产生足够的能量点燃可燃或易燃气体的工作,其包括焊接、切割、燃烧，打磨以及使用明火等。3|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyHazardofHotWork热作业的危害HotWorkgenerate热作业可能产生:RadiationEnergy辐射能Temperature高温Fumes&gases烟雾和气体Noise噪音Sparks&slags火花和焊渣Resultin导致：Fire火灾Explosion爆炸Lossoflifeandproperty人身伤害和财产损失4|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyHotworkneededtouseworkpermit

需要平安作业许可证的热作业Welding,burning,oruseofopenflamesinSNPTsiteexceptroutinehotworkindesignatedplace.在非指定的例行热作业区域的焊接、燃烧、或使用明火Useofsparkorheatproducingtoolsorequipmentinclassifiedexplosivearea.在爆炸危险区域使用产生火花或高温的工具或设备Useofelectricaltools,electronicequipmentorvehiclesnotapprovedfortheusewithinaclassifiedexplosivehazardousarea.在爆炸危险区域内使用非防爆的或防爆等级不够的电气工具、电子设备或运输工具5|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyProhibitiontoHotWork禁止热作业Inareasnotauthorizedbymanagement未经批准的热作业区域；Intheareaofbuildingswithsafetysystem(e.g.firedector,sprinkler)whilesuchprotectionisactived装有消防平安系统〔如火灾报警探头，消防喷淋〕的建筑区域，当其有效时；Inthepresenceofexplosiveatmospheresthatmaybepresentormaydevelopinsidetanksorequipmentthatmayhavecontainedflammablegases,vapors,liquids,ordusts;可能存在易爆气体的储罐或可能有易燃气体、蒸气、液体或粉尘的设备；Inareasnearthestorageoflargequantitiesofexposed,readilyignitablematerials大量暴露的，能快速点燃物品区域6|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyCombustiblegasmonitoring可燃气体检测HotworkinaclassifiedexplosiveArea在防爆区域内的热作业;Welding,burning,oruseofopenflamesinanon-explosiveareawhichbordersonorhascombustibles在接近可燃物或有可燃物的区域进行焊接、燃烧、或使用明火作业;7|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyCombustiblegasmonitoringfrequency

可燃气体检测频率Atthetimeoftheon-siteSafeWorkPermitinspection.现场检查时进行。WhenthesafeworkingconditionsuponwhichtheSafeWorkPermitforhotworkarebasedarenotbeingmaintainedand/orhavechanged.热工作业平安作业许可证确认的平安工作条件不能维持和/或已经改变。PeriodicallyorcontinuouslyasspecifiedontheWorkPermitforhotwork.热工作业平安作业许可证指定须定时或连续地进行。IftheWorkPermitforhotworkissuspendedandneedstobere-authorizedbecauseofaworkstoppage.如果热工作业平安作业许可证被暂停，并因工作中断需要重新批准8|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyCombustiblegastest可燃气体检测Flammablegas,vaporconcentrationshallbelessthan10%ofitslowerexplosivelimit(LEL)可燃气体、蒸气浓度应小于爆炸下限的10%；Sampletestofcombustiblegasshallberepresentative;Combustiblegasdetectorshallbecalibrated可燃气体分析应具有代表性；可燃气体检测仪应经过校验ThefrequencyofCombustiblegastestduringworkdependsonworkcircumstanceandworkrisk.可燃气体分析的频率取决于工作环境和工作风险。可选择连续监测，定时监测；9|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyPriortowork工作前准备InitialSurvey预先检查Theworkareashallbecheckedanddeterminedtobeclearofactualorpotentialflammalbeatmospheres作业前工作区域必须检查确定无实际和潜在的可燃气体气氛。Ifdetectablelevelsareobserved,hotwork,spark-producingwork,orheat-generatingworkshallnotbeperformeduntilthesourceisfoundandeliminated.如果检测到危害存在，必须找到并消除危害，方可实施热作业，产生火花或放热的作业。10|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyPriortowork-AreaPreparation

工作前准备-区域准备AreaSegregation区域隔离Sparks,slagetc.,willbecontainedwithinpracticallimits.Inthosecaseswheresparks,slag,etc.,mayfallfromoneleveltoanother,thesurroundingareawillbe火花、焊渣、高温螺栓等应被控制在一定区域内。在火花、焊渣等可能掉落的地方，须采取以下措施：Ropedoff设立隔离区ProvidedwithaFireWatcher指定另一消防监护员Wetteddownwithwater,ifneeded,and如有必要，进行洒水；Markedwithsigns,asnecessary设置必要的警示牌11|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyPriortowork-AreaPreparation

工作前准备-区域准备SegregationofCombustibles可燃物的隔离Ifanobjecttobeweldedorcutcanbemove,movetheobjecttoasafepositiontodohotwork.如焊接或切割物可移动，移至平安区域从事热作业。Ifanobjecttobeweldedorcutcannotbemoved,allmovablefirehazardsinthevicinityshallbetakentoasafeposition.如焊接或切割物不可移动，附近火灾危险物应移至平安区域。Ifthefirehazardsarenotmovable,thenguardsshallbeusedtoconfinetheheat,sparksandslag,andtoprotecttheimmovablefirehazards如焊接或切割物不可移动，附近火灾危险物也不能移动，应采取防护装置来控制热、火花、焊渣以及不能移动的火灾危险物。Ifneitheroftheabovecanbeaccomplished,hotworkisprohibited.如以上均不能满足，禁止热作业。12|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyPriortowork-EquipmentPreparation

工作前准备-设备准备Whendoinghotworkonlinesorequipmentthatlastcontainedflammablesorcombustibles,thentheenergysourceshavebeenisolatedusingatleastoneofthefollowingmethods:在存放过易燃或可燃物质的设备上进行热工作业时，必须至少使用下面所列的一种方法隔离能量源

Disconnectionandmisalignmentofthepipingtoprovideanairgap.断开并错开管线以存在一空气间隙。Installationofblindsascloseaspossibletotheequipmentwithblindswhichareappropriateforthechemical,temperatureandpressureoftheservice.在尽可能靠近设备的一端安装盲板，盲板应该适合隔离的化学品、温度和压力。Doubleblocksandbleeds.使用双重阻断及排放。13|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyPriortowork-EquipmentPreparation

工作前准备-设备准备Whentheclearingofresidualcontentsisnotfeasible,thenlineplugs/stopplesandpurgegaseshavebeenusedsufficienttoremoveoxygentoalevelsuchthat:如不能完全去除残留的介质，须使用管塞或净化气体使氧气到达下面的水平：Theconcentrationofcombustiblesatthehotworkpointisat0%.热工作业点的最低爆炸极限〔LEL〕是0％。Theconcentrationofcombustiblesatthepointofexitofthepurgegasislessthan10%ofLEL出口处净化气体的可燃气体浓度小于10%LEL。14|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyPriortowork工作前准备Ventilation通风措施Natureventilation自然通风Mechanicventilation机械通风Ductsandconveyorsystemsthatmightcarrysparkstodistantcombustiblesshallbesuitablyprotectedorshutdown可能将火花带至较远处的可燃物处的输送系统和送风系统应适当防护和关闭。15|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyPre-workElectricalsafetyofthemachineorequipment(e.g.,weldingmachine)inclassifiedexplosivearea在电气防爆区域使用设备的电气平安Earthing接地TemporaryUseofPower临时电源safetysystemIsolation(e.g.firedector,sprinkler)消防平安系统隔离〔如火灾报警探头，消防喷淋〕16|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyDuringwork工作中Themeasuresusedduringhotworkinclude:热作业中的控制措施包括：Fireandexplosionprotectionmeasures:防火灾和爆炸控制方法有：Continuouslyorregularlygastest气体连续或间断地检测Keepworksitedamp保持工作场所潮湿Monitorandmaintaininertingprocess监测和维持惰性气体保护Monitorandmaintainwaterfilling监测和维持充水保护ProvideFireProtectionequipment消防器材Monitorbyfirewatcher消防监护人监护Ventilation通风Natureventilationormechanicventilation自然通风或机械通风Extractdust/gas/vaporatitssource在释放源抽走粉尘/气体/蒸汽17|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyPostWork工作后Checktheworkplaceaftercompletionofhotworkoperations,detectandextinguishpossiblesmolderingfires.动火结束后，检查工作场地是否有余烬并消除。18|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyFireWatcher消防监护人Afirewatcherisrequiredwheneverweldingorcuttingisperformedinlocationswhereotherthanaminorfiremightdevelop,orifanyofthefollowingconditionexists:在小火可能扩大的场所进行焊接或切割时，或以下任何情况存在是需要消防监护人：Appreciablecombustiblematerialsiscloserthan15mtothepointofhotwork可预知的易燃物离热作业的距离小于15mAppreciablecombustiblesaremorethan15mawaybutmaybeeasilyignitedbysparks可预知的易燃物离热作业的距离虽大于15m但易被火花点燃Wallorflooropeningswithin15mradiusexposecombustiblematerialinadjacentareasincludingconcealedspacesinwallsorfloors在半径15m以内的地面和墙的孔洞，包括隐蔽空间，有暴露的可燃物Combustiblematerialsareadjacenttotheoppositesideofmetalpartitions,walls,ceilings,orroofsandarelikelytobeignitedbyconductionorradiation易燃物很可能被周围的金属分隔物、墙面、天花板或屋顶的反光造成的热传导或辐射点燃19|PresentationTitle|PresenterName|Date|Subject|BusinessUseOnlyResponsibilityofFireWatcher消防监护人的职责Constantlyobserveforchangingconditions,the