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BLINDBOARDOPERATIONALSECURITYREQUIREMENTS1BLOCKINGBLINDBOARDOPERATIONSREQUIREDTOHANDLEBLOCKINGBLINDBOARDOPERATINGLICENSE,NOBLOCKINGBLINDBOARDOPERATINGLICENSEARENOTALLOWEDTOSMOKEBLOCKINGBLINDBOARDOPERATIONS2ITISSTRICTLYPROHIBITEDTOALTER,LENTTHEBLOCKINGBLINDBOARDOPERATINGLICENSECONTENTCONVERSIONANDEXPANSIONOFOPERATIONSORTRANSFERJOBSSITE,AGAINFORBLOCKINGBLINDBOARDOPERATINGLICENSE3INCOMPLETEJOBAPPROVALPROCEDURES,SAFETYMEASURESARENOTIMPLEMENTED,WORKENVIRONMENTDOESNOTMEETSECURITYREQUIREMENTS,WORKERSHAVETHERIGHTTOREFUSETOWORK4TOXICGASPIPING,EQUIPMENTBLOCKINGBLINDBOARD,NONIRRITANTGASPRESSURESHOULDBELESSTHAN200MMHGIRRITANTGASPRESSURESHOULDBELESSTHAN50MMHGGASTEMPERATURESHOULDBELESSTHAN60DEGREES5TECHNICALDEPARTMENTRESPONSIBLEFORDRAWINGBLINDLOCATIONMAP,NUMBERSTHEBLIND,CONSTRUCTIONPERSONNELWORK,BLINDLOCATIONMAPBYTECHNOLOGYARCHIVEFORFUTUREREFERENCE6THEBLINDPLUGOPERATINGPERSONNELMUSTWEARAPPROPRIATEPERSONALPROTECTIVEEQUIPMENT,MUSTDESIGNATEAPERSONRESPONSIBLEFORBLOCKINGBLINDBOARDWORK,ANDTODESIGNATEAPERSONRESPONSIBLEFORMONITORINGGUARDIANSAREADVISEDBYEXPERIENCEDOFFICERS,GUARDIANJOBSPEOPLEMUSTWEARAPPROPRIATEPROTECTIVEEQUIPMENTASREQUIRED,ANDGUARDIANSMUSTCHECK,IMPLEMENTINGRELEVANTSAFETYMEASURESONTHEJOBGUARDIANSMUSTADHERETOTHESCENE,ANDEMERGENCYTREATMENTJOBGUARDIANSHALLNOTLEAVETHEJOBSITEBEFORETHEEND7THEJOBCOMPLICATED,DANGEROUSPLACES,APARTFROMTHEGUARDIAN,ALSOCOMPANYLEADERSHIP,SAFETYANDENVIRONMENTDEPARTMENT,ISRESPONSIBLEFORPERSONNELINVOLVINGTHEENTIREPRODUCTIONSYSTEM,HEADOFTHETECHNICALDEPARTMENTMUSTBEPRESENT8INPLACESWHEREINFLAMMABLEANDEXPLOSIVEWORK,PLACEWITHIN30METRESWITHOUTHOTWORKOPERATIONSTASKLIGHTINGSHOULDUSEEXPLOSIONPROOFLAMPSANDEXPLOSIONPROOFTOOLSSHOULDBEUSED,PROHIBITIONOFBEATINGWITHANIRONPIPE,FLANGE,ETC9HIGHBLOCKINGBLINDBOARDOPERATIONSHALLFOLLOWTHEPROVISIONSOFLICENSEFORWORKINGATHEIGHT10CONSTRUCTIONUNITTOBLINDALOTACCORDINGTOTHEREQUIREMENTSOFTHEPERMITTOWORK,THEIMPLEMENTATIONOFSAFETYMEASURES,WORKCANBECARRIEDOUT11ISSTRICTLYPROHIBITEDONTHESAMEPIPESIMULTANEOUSLYINTWOPLACESANDTWOORMOREBLOCKINGBLINDBOARDOPERATIONSWHENPLUGGINGMULTIPLEBLIND,BLINDTOBLINDLOCATIONMAPANDPLATESNUMBERBYCONSTRUCTIONGENERALMANAGER,UNITYOFCOMMANDASSIGNMENTS12SIGNSINEACHBLOCKINGBLINDBOARDSHOWSTHATBLINDLOCATIONCTHEBLOCKINGBLINDBOARDPERMITSTHEMANAGEMENTOF1BLINDLOCATIONMAP,IMPLEMENTSECURITYMEASURES,AFTERTHEAPPROVALOFTHETECHNICALDEPARTMENT,ASSIGNMENTUNITSSTAFFTOCONFIRMJOBCOMPLEX,DANGEROUSPLACESREQUIREDSECURITYAUDITSOFTHEDEPARTMENTOFENVIRONMENTALPROTECTION,THECOMPANYINCHARGEOFSAFETYVICEPRESIDENTFORAPPROVAL4APPROVEAGOODBLOCKINGBLINDBOARDOPERATINGLICENSEINTRIPLICATE,MAINCONTRACTORS,OPERATINGUNITS,EACHHOLDACOPYOFTHEBIOSECTION5AFTERTHEENDOFTHEJOB,JOBS,TECHNICALCHECK,ACTIVITYHANDEDTHEBLINDLOCATIONTECHNOLOGY6WORKPERMITSMANAGEMENTSHOULDESTABLISHTHETICKETFILEINVENTORY,THETICKETISKEPTFOR3YEARSTHELIFTINGOPERATIONMANAGEMENTSYSTEM,PURPOSEINORDERTOCONTROLTHEPRODUCTIONWITHINTHEREGION,LIFTING,LIFTINGACTIVITIESTOPREVENTTHEOCCURRENCEOFACCIDENTS,THESYSTEMISFORMULATEDSECOND,THESCOPEOFAPPLICATIONOFTHISSYSTEMAPPLIESTOALLCOMPANIESWITHINTHELIFTINGOPERATIONTHIRD,LIFTINGALICENSEOFGRADEDCREDITTHREELEVELSOFMANAGEMENTIGENERALEQUIPMENT,WEIGHINGLESSTHAN1TONOFWEIGHTLIFTING,THELIFTINGOFTHERULES,TECHNOLOGYREVIEW,WORKSHOPDIRECTORFORAPPROVALBTHERULESOFWEIGHTEQUALTOORGREATERTHAN1TONLESSTHAN10TONSOFWEIGHTLIFTING,HOISTING,APPROVEDBYTHEWORKSHOP,EQUIPMENTMANAGEMENTDEPARTMENTFORAPPROVALCOFOVER10TONSANDHEAVYLIFTINGOPERATIONSPROJECTSORCONSTRUCTIONUNDERTHESPECIALCONDITIONS,SHALLPREPARELIFTINGPLAN,PERMITTOWORKSUBMITTEDTOCOMPANYEXECUTIVESANDSAFETYEQUIPMENT,THEJOINTSECURITYSECTORREVIEWCOMPETENTAFTERASSISTANTGENERALMANAGERAPPROVALFOUR,LIFTINGSAFETYREQUIREMENTS1LIFTINGWEIGHTSGREATERTHANOREQUALTO10TONNESOFTHEOBJECTANDTHESUBJECTOFCIVILENGINEERINGSTRUCTURES,HOISTINGCONSTRUCTIONPLANSHALLBEPREPAREDLOADISLESSTHAN10TONNES,BUTSMALLCOMPLEXSHAPES,STIFFNESS,LENGTHDIAMETERRATIO,PRECISIONPRECIOUS,UNDERTHESPECIALCONDITIONSOFCONSTRUCTION,SHOULDALSOPREPARECONSTRUCTIONPROGRAMMESHOISTINGCONSTRUCTIONPROGRAMMESEXAMINEDBYTHEPROJECTAUTHORITIES,SUBMITTEDTOTHECOMPETENTVPAPPROVALTOBEIMPLEMENTED2LIFTINGOPERATIONSMUSTSETUPTHEALERTLINEANDSETUPSPECIALCARE,GUARDIANSHIPPERSONNELMUSTWEARARMBANDS,LIFTINGREGIONALSTAFFOUTOFBOUNDS3LIFTINGOPERATIONSMUSTBEPROVIDEDFORLIFTINGLOADS,SLINGS,RIGGINGANDECONOMICCALCULATIONOPTIONS,DONOTOVERLOADWHENLIFTINGHEAVYOBJECTSCLOSETOORREACHTHERATEDLIFTINGCAPACITY,CHECKBRAKES,LOWHEIGHT,SHORTSTROKEAFTERTHELOADTEST,THENSMOOTHLYLIFTEDLARGEANDMEDIUMSIZEDEQUIPMENTBEFORELIFTING,LOADTESTSHOULDBECARRIEDOUTTRYHANGINGHEIGHTFORABOUT02MANDTHENCONDUCTARELIABILITYCHECKINCLUDINGTHESELECTIONANDCALCULATIONOFSAFETYFACTOROVERLOADLIFTINGISSTRICTLYPROHIBITED4BEFORELIFTINGMUSTPADTHEWOODANDTHEWOODUSEDMUSTBEOFADEQUATESIZEBESURETOOVER1MWHENLIFTINGREQUIRESFIREESCAPE,YOUMUSTCONTACTTHECIRCUITBREAKERINACCORDANCEWITHTHEPROVISIONS5LIFTINGOPERATIONSMUSTBERUNONALLKINDSOFHOISTINGMACHINERYPARTS,SAFETYDEVICESASWELLASSLINGS,RIGGINGADETAILEDSECURITYCHECKS,SECURITYDEVICESFORLIFTINGEQUIPMENTISSENSITIVEANDRELIABLE,NOILLNESSMUSTTRYBEFORELIFTINGCRANE,CONFIRMEDBEFORETHEYCANWORK6LIFTINGOPERATIONS,REMOVEDPLATFORMGUARDRAILMUSTBERESTOREDTHEBOLTACTIVITYFENCEREMOVALISSTRICTLYPROHIBITED7LIFTINGOPERATIONS,SHOULDHAVEADEQUATELIGHTINGATNIGHT,OUTDOOR16,LIFTINGTHEAPPROVALPROCEDUREISNOTCOMPLETE,SECURITYMEASURESARENOT第三單元運算定律與簡便計算加法交換律、加法結(jié)合律教學(xué)內(nèi)容P28/例1(加法交換律)P29/例2(加法結(jié)合律)教學(xué)目標(biāo)引導(dǎo)學(xué)生探究和理解加法交換律、結(jié)合律。培養(yǎng)學(xué)生根據(jù)具體情況,選擇算法的意識與能力,發(fā)展思維的靈活性。使學(xué)生感受數(shù)學(xué)與現(xiàn)實生活的聯(lián)系,能用所學(xué)知識解決簡單的實際問題。教學(xué)過程一、主題圖引入觀察主題圖,根據(jù)條件提出問題(1)李叔叔今天一共騎了多少千米(2)李叔叔三天一共騎了多少千米引導(dǎo)學(xué)生觀察主題圖教師根據(jù)學(xué)生提出的問題板書。二、新授練習(xí)本上用自己的方法列出綜合算式,解答黑板上問題。教師巡視,找出課堂上需要的答案,找學(xué)生板演。學(xué)生觀察第一組算式,發(fā)現(xiàn)特點。引導(dǎo)學(xué)生觀察第一組算式,總結(jié)出40565640試著再舉出幾個這樣的例子。根據(jù)學(xué)生的舉例,進行板書。通過這幾組算式,你們發(fā)現(xiàn)了什么學(xué)生發(fā)現(xiàn)規(guī)律兩個加數(shù)交換位置,和不變。這叫做加法交換律。教師根據(jù)學(xué)生的小結(jié),板書。你能用自己喜歡的方式表示出加法交換律嗎引導(dǎo)學(xué)生觀察第二組算式,總結(jié)出(8810496)88(10496)學(xué)生BLINDBOARDOPERATIONALSECURITYREQUIREMENTS1BLOCKINGBLINDBOARDOPERATIONSREQUIREDTOHANDLEBLOCKINGBLINDBOARDOPERATINGLICENSE,NOBLOCKINGBLINDBOARDOPERATINGLICENSEARENOTALLOWEDTOSMOKEBLOCKINGBLINDBOARDOPERATIONS2ITISSTRICTLYPROHIBITEDTOALTER,LENTTHEBLOCKINGBLINDBOARDOPERATINGLICENSECONTENTCONVERSIONANDEXPANSIONOFOPERATIONSORTRANSFERJOBSSITE,AGAINFORBLOCKINGBLINDBOARDOPERATINGLICENSE3INCOMPLETEJOBAPPROVALPROCEDURES,SAFETYMEASURESARENOTIMPLEMENTED,WORKENVIRONMENTDOESNOTMEETSECURITYREQUIREMENTS,WORKERSHAVETHERIGHTTOREFUSETOWORK4TOXICGASPIPING,EQUIPMENTBLOCKINGBLINDBOARD,NONIRRITANTGASPRESSURESHOULDBELESSTHAN200MMHGIRRITANTGASPRESSURESHOULDBELESSTHAN50MMHGGASTEMPERATURESHOULDBELESSTHAN60DEGREES5TECHNICALDEPARTMENTRESPONSIBLEFORDRAWINGBLINDLOCATIONMAP,NUMBERSTHEBLIND,CONSTRUCTIONPERSONNELWORK,BLINDLOCATIONMAPBYTECHNOLOGYARCHIVEFORFUTUREREFERENCE6THEBLINDPLUGOPERATINGPERSONNELMUSTWEARAPPROPRIATEPERSONALPROTECTIVEEQUIPMENT,MUSTDESIGNATEAPERSONRESPONSIBLEFORBLOCKINGBLINDBOARDWORK,ANDTODESIGNATEAPERSONRESPONSIBLEFORMONITORINGGUARDIANSAREADVISEDBYEXPERIENCEDOFFICERS,GUARDIANJOBSPEOPLEMUSTWEARAPPROPRIATEPROTECTIVEEQUIPMENTASREQUIRED,ANDGUARDIANSMUSTCHECK,IMPLEMENTINGRELEVANTSAFETYMEASURESONTHEJOBGUARDIANSMUSTADHERETOTHESCENE,ANDEMERGENCYTREATMENTJOBGUARDIANSHALLNOTLEAVETHEJOBSITEBEFORETHEEND7THEJOBCOMPLICATED,DANGEROUSPLACES,APARTFROMTHEGUARDIAN,ALSOCOMPANYLEADERSHIP,SAFETYANDENVIRONMENTDEPARTMENT,ISRESPONSIBLEFORPERSONNELINVOLVINGTHEENTIREPRODUCTIONSYSTEM,HEADOFTHETECHNICALDEPARTMENTMUSTBEPRESENT8INPLACESWHEREINFLAMMABLEANDEXPLOSIVEWORK,PLACEWITHIN30METRESWITHOUTHOTWORKOPERATIONSTASKLIGHTINGSHOULDUSEEXPLOSIONPROOFLAMPSANDEXPLOSIONPROOFTOOLSSHOULDBEUSED,PROHIBITIONOFBEATINGWITHANIRONPIPE,FLANGE,ETC9HIGHBLOCKINGBLINDBOARDOPERATIONSHALLFOLLOWTHEPROVISIONSOFLICENSEFORWORKINGATHEIGHT10CONSTRUCTIONUNITTOBLINDALOTACCORDINGTOTHEREQUIREMENTSOFTHEPERMITTOWORK,THEIMPLEMENTATIONOFSAFETYMEASURES,WORKCANBECARRIEDOUT11ISSTRICTLYPROHIBITEDONTHESAMEPIPESIMULTANEOUSLYINTWOPLACESANDTWOORMOREBLOCKINGBLINDBOARDOPERATIONSWHENPLUGGINGMULTIPLEBLIND,BLINDTOBLINDLOCATIONMAPANDPLATESNUMBERBYCONSTRUCTIONGENERALMANAGER,UNITYOFCOMMANDASSIGNMENTS12SIGNSINEACHBLOCKINGBLINDBOARDSHOWSTHATBLINDLOCATIONCTHEBLOCKINGBLINDBOARDPERMITSTHEMANAGEMENTOF1BLINDLOCATIONMAP,IMPLEMENTSECURITYMEASURES,AFTERTHEAPPROVALOFTHETECHNICALDEPARTMENT,ASSIGNMENTUNITSSTAFFTOCONFIRMJOBCOMPLEX,DANGEROUSPLACESREQUIREDSECURITYAUDITSOFTHEDEPARTMENTOFENVIRONMENTALPROTECTION,THECOMPANYINCHARGEOFSAFETYVICEPRESIDENTFORAPPROVAL4APPROVEAGOODBLOCKINGBLINDBOARDOPERATINGLICENSEINTRIPLICATE,MAINCONTRACTORS,OPERATINGUNITS,EACHHOLDACOPYOFTHEBIOSECTION5AFTERTHEENDOFTHEJOB,JOBS,TECHNICALCHECK,ACTIVITYHANDEDTHEBLINDLOCATIONTECHNOLOGY6WORKPERMITSMANAGEMENTSHOULDESTABLISHTHETICKETFILEINVENTORY,THETICKETISKEPTFOR3YEARSTHELIFTINGOPERATIONMANAGEMENTSYSTEM,PURPOSEINORDERTOCONTROLTHEPRODUCTIONWITHINTHEREGION,LIFTING,LIFTINGACTIVITIESTOPREVENTTHEOCCURRENCEOFACCIDENTS,THESYSTEMISFORMULATEDSECOND,THESCOPEOFAPPLICATIONOFTHISSYSTEMAPPLIESTOALLCOMPANIESWITHINTHELIFTINGOPERATIONTHIRD,LIFTINGALICENSEOFGRADEDCREDITTHREELEVELSOFMANAGEMENTIGENERALEQUIPMENT,WEIGHINGLESSTHAN1TONOFWEIGHTLIFTING,THELIFTINGOFTHERULES,TECHNOLOGYREVIEW,WORKSHOPDIRECTORFORAPPROVALBTHERULESOFWEIGHTEQUALTOORGREATERTHAN1TONLESSTHAN10TONSOFWEIGHTLIFTING,HOISTING,APPROVEDBYTHEWORKSHOP,EQUIPMENTMANAGEMENTDEPARTMENTFORAPPROVALCOFOVER10TONSANDHEAVYLIFTINGOPERATIONSPROJECTSORCONSTRUCTIONUNDERTHESPECIALCONDITIONS,SHALLPREPARELIFTINGPLAN,PERMITTOWORKSUBMITTEDTOCOMPANYEXECUTIVESANDSAFETYEQUIPMENT,THEJOINTSECURITYSECTORREVIEWCOMPETENTAFTERASSISTANTGENERALMANAGERAPPROVALFOUR,LIFTINGSAFETYREQUIREMENTS1LIFTINGWEIGHTSGREATERTHANOREQUALTO10TONNESOFTHEOBJECTANDTHESUBJECTOFCIVILENGINEERINGSTRUCTURES,HOISTINGCONSTRUCTIONPLANSHALLBEPREPAREDLOADISLESSTHAN10TONNES,BUTSMALLCOMPLEXSHAPES,STIFFNESS,LENGTHDIAMETERRATIO,PRECISIONPRECIOUS,UNDERTHESPECIALCONDITIONSOFCONSTRUCTION,SHOULDALSOPREPARECONSTRUCTIONPROGRAMMESHOISTINGCONSTRUCTIONPROGRAMMESEXAMINEDBYTHEPROJECTAUTHORITIES,SUBMITTEDTOTHECOMPETENTVPAPPROVALTOBEIMPLEMENTED2LIFTINGOPERATIONSMUSTSETUPTHEALERTLINEANDSETUPSPECIALCARE,GUARDIANSHIPPERSONNELMUSTWEARARMBANDS,LIFTINGREGIONALSTAFFOUTOFBOUNDS3LIFTINGOPERATIONSMUSTBEPROVIDEDFORLIFTINGLOADS,SLINGS,RIGGINGANDECONOMICCALCULATIONOPTIONS,DONOTOVERLOADWHENLIFTINGHEAVYOBJECTSCLOSETOORREACHTHERATEDLIFTINGCAPACITY,CHECKBRAKES,LOWHEIGHT,SHORTSTROKEAFTERTHELOADTEST,THENSMOOTHLYLIFTEDLARGEANDMEDIUMSIZEDEQUIPMENTBEFORELIFTING,LOADTESTSHOULDBECARRIEDOUTTRYHANGINGHEIGHTFORABOUT02MANDTHENCONDUCTARELIABILITYCHECKINCLUDINGTHESELECTIONANDCALCULATIONOFSAFETYFACTOROVERLOADLIFTINGISSTRICTLYPROHIBITED4BEFORELIFTINGMUSTPADTHEWOODANDTHEWOODUSEDMUSTBEOFADEQUATESIZEBESURETOOVER1MWHENLIFTINGREQUIRESFIREESCAPE,YOUMUSTCONTACTTHECIRCUITBREAKERINACCORDANCEWITHTHEPROVISIONS5LIFTINGOPERATIONSMUSTBERUNONALLKINDSOFHOISTINGMACHINERYPARTS,SAFETYDEVICESASWELLASSLINGS,RIGGINGADETAILEDSECURITYCHECKS,SECURITYDEVICESFORLIFTINGEQUIPMENTISSENSITIVEANDRELIABLE,NOILLNESSMUSTTRYBEFORELIFTINGCRANE,CONFIRMEDBEFORETHEYCANWORK6LIFTINGOPERATIONS,REMOVEDPLATFORMGUARDRAILMUSTBERESTOREDTHEBOLTACTIVITYFENCEREMOVALISSTRICTLYPROHIBITED7LIFTINGOPERATIONS,SHOULDHAVEADEQUATELIGHTINGATNIGHT,OUTDOOR16,LIFTINGTHEAPPROVALPROCEDUREISNOTCOMPLETE,SECURITYMEASURESARENOT觀察第二組算式,發(fā)現(xiàn)特點。學(xué)生繼續(xù)觀察幾組算式。出示(69172)28、69(17228)、155(145207)、(155145)207通過上面的幾組算式,你們發(fā)現(xiàn)了什么學(xué)生總結(jié)觀察到的規(guī)律。教師板書先把前兩個數(shù)相加,或者先把后兩個數(shù)相加,和不變。這叫做叫法結(jié)合律。學(xué)生用自己喜歡的方式表示加法結(jié)合律。學(xué)生根據(jù)這兩個運算定律,舉一些生活中的例子。三、鞏固練習(xí)P28/做一做、P31/4、1四、小結(jié)學(xué)生小結(jié)本節(jié)課學(xué)習(xí)的加法的運算定律。今天這節(jié)課你們都有什么收獲你能把這些運用于以后的學(xué)習(xí)中嗎五、作業(yè)P31/3板書設(shè)計加法的運算定律(1)李叔叔今天一共騎了多少千米(2)李叔叔三天一共騎了多少千米405696(千米)564096(千米)881049610496881929620088BLINDBOARDOPERATIONALSECURITYREQUIREMENTS1BLOCKINGBLINDBOARDOPERATIONSREQUIREDTOHANDLEBLOCKINGBLINDBOARDOPERATINGLICENSE,NOBLOCKINGBLINDBOARDOPERATINGLICENSEARENOTALLOWEDTOSMOKEBLOCKINGBLINDBOARDOPERATIONS2ITISSTRICTLYPROHIBITEDTOALTER,LENTTHEBLOCKINGBLINDBOARDOPERATINGLICENSECONTENTCONVERSIONANDEXPANSIONOFOPERATIONSORTRANSFERJOBSSITE,AGAINFORBLOCKINGBLINDBOARDOPERATINGLICENSE3INCOMPLETEJOBAPPROVALPROCEDURES,SAFETYMEASURESARENOTIMPLEMENTED,WORKENVIRONMENTDOESNOTMEETSECURITYREQUIREMENTS,WORKERSHAVETHERIGHTTOREFUSETOWORK4TOXICGASPIPING,EQUIPMENTBLOCKINGBLINDBOARD,NONIRRITANTGASPRESSURESHOULDBELESSTHAN200MMHGIRRITANTGASPRESSURESHOULDBELESSTHAN50MMHGGASTEMPERATURESHOULDBELESSTHAN60DEGREES5TECHNICALDEPARTMENTRESPONSIBLEFORDRAWINGBLINDLOCATIONMAP,NUMBERSTHEBLIND,CONSTRUCTIONPERSONNELWORK,BLINDLOCATIONMAPBYTECHNOLOGYARCHIVEFORFUTUREREFERENCE6THEBLINDPLUGOPERATINGPERSONNELMUSTWEARAPPROPRIATEPERSONALPROTECTIVEEQUIPMENT,MUSTDESIGNATEAPERSONRESPONSIBLEFORBLOCKINGBLINDBOARDWORK,ANDTODESIGNATEAPERSONRESPONSIBLEFORMONITORINGGUARDIANSAREADVISEDBYEXPERIENCEDOFFICERS,GUARDIANJOBSPEOPLEMUSTWEARAPPROPRIATEPROTECTIVEEQUIPMENTASREQUIRED,ANDGUARDIANSMUSTCHECK,IMPLEMENTINGRELEVANTSAFETYMEASURESONTHEJOBGUARDIANSMUSTADHERETOTHESCENE,ANDEMERGENCYTREATMENTJOBGUARDIANSHALLNOTLEAVETHEJOBSITEBEFORETHEEND7THEJOBCOMPLICATED,DANGEROUSPLACES,APARTFROMTHEGUARDIAN,ALSOCOMPANYLEADERSHIP,SAFETYANDENVIRONMENTDEPARTMENT,ISRESPONSIBLEFORPERSONNELINVOLVINGTHEENTIREPRODUCTIONSYSTEM,HEADOFTHETECHNICALDEPARTMENTMUSTBEPRESENT8INPLACESWHEREINFLAMMABLEANDEXPLOSIVEWORK,PLACEWITHIN30METRESWITHOUTHOTWORKOPERATIONSTASKLIGHTINGSHOULDUSEEXPLOSIONPROOFLAMPSANDEXPLOSIONPROOFTOOLSSHOULDBEUSED,PROHIBITIONOFBEATINGWITHANIRONPIPE,FLANGE,ETC9HIGHBLOCKINGBLINDBOARDOPERATIONSHALLFOLLOWTHEPROVISIONSOFLICENSEFORWORKINGATHEIGHT10CONSTRUCTIONUNITTOBLINDALOTACCORDINGTOTHEREQUIREMENTSOFTHEPERMITTOWORK,THEIMPLEMENTATIONOFSAFETYMEASURES,WORKCANBECARRIEDOUT11ISSTRICTLYPROHIBITEDONTHESAMEPIPESIMULTANEOUSLYINTWOPLACESANDTWOORMOREBLOCKINGBLINDBOARDOPERATIONSWHENPLUGGINGMULTIPLEBLIND,BLINDTOBLINDLOCATIONMAPANDPLATESNUMBERBYCONSTRUCTIONGENERALMANAGER,UNITYOFCOMMANDASSIGNMENTS12SIGNSINEACHBLOCKINGBLINDBOARDSHOWSTHATBLINDLOCATIONCTHEBLOCKINGBLINDBOARDPERMITSTHEMANAGEMENTOF1BLINDLOCATIONMAP,IMPLEMENTSECURITYMEASURES,AFTERTHEAPPROVALOFTHETECHNICALDEPARTMENT,ASSIGNMENTUNITSSTAFFTOCONFIRMJOBCOMPLEX,DANGEROUSPLACESREQUIREDSECURITYAUDITSOFTHEDEPARTMENTOFENVIRONMENTALPROTECTION,THECOMPANYINCHARGEOFSAFETYVICEPRESIDENTFORAPPROVAL4APPROVEAGOODBLOCKINGBLINDBOARDOPERATINGLICENSEINTRIPLICATE,MAINCONTRACTORS,OPERATINGUNITS,EACHHOLDACOPYOFTHEBIOSECTION5AFTERTHEENDOFTHEJOB,JOBS,TECHNICALCHECK,ACTIVITYHANDEDTHEBLINDLOCATIONTECHNOLOGY6WORKPERMITSMANAGEMENTSHOULDESTABLISHTHETICKETFILEINVENTORY,THETICKETISKEPTFOR3YEARSTHELIFTINGOPERATIONMANAGEMENTSYSTEM,PURPOSEINORDERTOCONTROLTHEPRODUCTIONWITHINTHEREGION,LIFTING,LIFTINGACTIVITIESTOPREVENTTHEOCCURRENCEOFACCIDENTS,THESYSTEMISFORMULATEDSECOND,THESCOPEOFAPPLICATIONOFTHISSYSTEMAPPLIESTOALLCOMPANIESWITHINTHELIFTINGOPERATIONTHIRD,LIFTINGALICENSEOFGRADEDCREDITTHREELEVELSOFMANAGEMENTIGENERALEQUIPMENT,WEIGHINGLESSTHAN1TONOFWEIGHTLIFTING,THELIFTINGOFTHERULES,TECHNOLOGYREVIEW,WORKSHOPDIRECTORFORAPPROVALBTHERULESOFWEIGHTEQUALTOORGREATERTHAN1TONLESSTHAN10TONSOFWEIGHTLIFTING,HOISTING,APPROVEDBYTHEWORKSHOP,EQUIPMENTMANAGEMENTDEPARTMENTFORAPPROVALCOFOVER10TONSANDHEAVYLIFTINGOPERATIONSPROJECTSORCONSTRUCTIONUNDERTHESPECIALCONDITIONS,SHALLPREPARELIFTINGPLAN,PERMITTOWORKSUBMITTEDTOCOMPANYEXECUTIVESANDSAFETYEQUIPMENT,THEJOINTSECURITYSECTORREVIEWCOMPETENTAFTERASSISTANTGENERALMANAGERAPPROVALFOUR,LIFTINGSAFETYREQUIREMENTS1LIFTINGWEIGHTSGREATERTHANOREQUALTO10TONNESOFTHEOBJECTANDTHESUBJECTOFCIVILENGINEERINGSTRUCTURES,HOISTINGCONSTRUCTIONPLANSHALLBEPREPAREDLOADISLESSTHAN10TONNES,BUTSMALLCOMPLEXSHAPES,STIFFNESS,LENGTHDIAMETERRATIO,PRECISIONPRECIOUS,UNDERTHESPECIALCONDITIONSOFCONSTRUCTION,SHOULDALSOPREPARECONSTRUCTIONPROGRAMMESHOISTINGCONSTRUCTIONPROGRAMMESEXAMINEDBYTHEPROJECTAUTHORITIES,SUBMITTEDTOTHECOMPETENTVPAPPROVALTOBEIMPLEMENTED2LIFTINGOPERATIONSMUSTSETUPTHEALERTLINEANDSETUPSPECIALCARE,GUARDIANSHIPPERSONNELMUSTWEARARMBANDS,LIFTINGREGIONALSTAFFOUTOFBOUNDS3LIFTINGOPERATIONSMUSTBEPROVIDEDFORLIFTINGLOADS,SLINGS,RIGGINGANDECONOMICCALCULATIONOPTIONS,DONOTOVERLOADWHENLIFTINGHEAVYOBJECTSCLOSETOORREACHTHERATEDLIFTINGCAPACITY,CHECKBRAKES,LOWHEIGHT,SHORTSTROKEAFTERTHELOADTEST,THENSMOOTHLYLIFTEDLARGEANDMEDIUMSIZEDEQUIPMENTBEFORELIFTING,LOADTESTSHOULDBECARRIEDOUTTRYHANGINGHEIGHTFORABOUT02MANDTHENCONDUCTARELIABILITYCHECKINCLUDINGTHESELECTIONANDCALCULATIONOFSAFETYFACTOROVERLOADLIFTINGISSTRICTLYPROHIBITED4BEFORELIFTINGMUSTPADTHEWOODANDTHEWOODUSEDMUSTBEOFADEQUATESIZEBESURETOOVER1MWHENLIFTINGREQUIRESFIREESCAPE,YOUMUSTCONTACTTHECIRCUITBREAKERINACCORDANCEWITHTHEPROVISIONS5LIFTINGOPERATIONSMUSTBERUNONALLKINDSOFHOISTINGMACHINERYPARTS,SAFETYDEVICESASWELLASSLINGS,RIGGINGADETAILEDSECURITYCHECKS,SECURITYDEVICESFORLIFTINGEQUIPMENTISSENSITIVEANDRELIABLE,NOILLNESSMUSTTRYBEFORELIFTINGCRANE,CONFIRMEDBEFORETHEYCANWORK6LIFTINGOPERATIONS,REMOVEDPLATFORMGUARDRAILMUSTBERESTOREDTHEBOLTACTIVITYFENCEREMOVALISSTRICTLYPROHIBITED7LIFTINGOPERATIONS,SHOULDHAVEADEQUATELIGHTINGATNIGHT,OUTDOOR16,LIFTINGTHEAPPROVALPROCEDUREISNOTCOMPLETE,SECURITYMEASURESARENOT288(千米)288(千米)40565640(88104)9688(10496)(學(xué)生舉例)(69172)2869(17228)兩個加數(shù)交換位置,和不變。155(145207)(155145)207這叫做加法交換律。先把前兩個數(shù)相加,或者先把后兩個數(shù)相加,和不變。這叫做加法結(jié)合律。ABBAABCABC課后小結(jié)加法運算定律的運用教學(xué)內(nèi)容P30/例3(加法運算定律的運用)教學(xué)目標(biāo)能運用運算定律進行一些簡便運算。培養(yǎng)學(xué)生根據(jù)具體情況,選擇算法的意識與能力,發(fā)展思維的靈活性。使學(xué)生感受數(shù)學(xué)與現(xiàn)實生活的聯(lián)系,能用所學(xué)知識解決簡單的實際問題。教學(xué)過程一、復(fù)習(xí)鞏固BLINDBOARDOPERATIONALSECURITYREQUIREMENTS1BLOCKINGBLINDBOARDOPERATIONSREQUIREDTOHANDLEBLOCKINGBLINDBOARDOPERATINGLICENSE,NOBLOCKINGBLINDBOARDOPERATINGLICENSEARENOTALLOWEDTOSMOKEBLOCKINGBLINDBOARDOPERATIONS2ITISSTRICTLYPROHIBITEDTOALTER,LENTTHEBLOCKINGBLINDBOARDOPERATINGLICENSECONTENTCONVERSIONANDEXPANSIONOFOPERATIONSORTRANSFERJOBSSITE,AGAINFORBLOCKINGBLINDBOARDOPERATINGLICENSE3INCOMPLETEJOBAPPROVALPROCEDURES,SAFETYMEASURESARENOTIMPLEMENTED,WORKENVIRONMENTDOESNOTMEETSECURITYREQUIREMENTS,WORKERSHAVETHERIGHTTOREFUSETOWORK4TOXICGASPIPING,EQUIPMENTBLOCKINGBLINDBOARD,NONIRRITANTGASPRESSURESHOULDBELESSTHAN200MMHGIRRITANTGASPRESSURESHOULDBELESSTHAN50MMHGGASTEMPERATURESHOULDBELESSTHAN60DEGREES5TECHNICALDEPARTMENTRESPONSIBLEFORDRAWINGBLINDLOCATIONMAP,NUMBERSTHEBLIND,CONSTRUCTIONPERSONNELWORK,BLINDLOCATIONMAPBYTECHNOLOGYARCHIVEFORFUTUREREFERENCE6THEBLINDPLUGOPERATINGPERSONNELMUSTWEARAPPROPRIATEPERSONALPROTECTIVEEQUIPMENT,MUSTDESIGNATEAPERSONRESPONSIBLEFORBLOCKINGBLINDBOARDWORK,ANDTODESIGNATEAPERSONRESPONSIBLEFORMONITORINGGUARDIANSAREADVISEDBYEXPERIENCEDOFFICERS,GUARDIANJOBSPEOPLEMUSTWEARAPPROPRIATEPROTECTIVEEQUIPMENTASREQUIRED,ANDGUARDIANSMUSTCHECK,IMPLEMENTINGRELEVANTSAFETYMEASURESONTHEJOBGUARDIANSMUS
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