• 92.00 KB
  • 5页

外墙涂料吊篮施工安全技术交底

  • 5页
  • 当前文档由用户上传发布,收益归属用户
  1. 1、本文档共5页,可阅读全部内容。
  2. 2、本文档内容版权归属内容提供方,所产生的收益全部归内容提供方所有。如果您对本文有版权争议,可选择认领,认领后既往收益都归您。
  3. 3、本文档由用户上传,本站不保证质量和数量令人满意,可能有诸多瑕疵,付费之前,请仔细先通过免费阅读内容等途径辨别内容交易风险。如存在严重挂羊头卖狗肉之情形,可联系本站下载客服投诉处理。
  4. 文档侵权举报电话:19940600175。
'Manipulatorisnowusedasaindustrialrobotsinuse,thecontrolobjectivesoftenappearofteninindustrialautomation.Industrialautomationtechnologyhasgraduallymatured,asmatureatechnologylinehasbeenrapiddevelopmentinindustrialautomationasaseparatesubject.Manipulatorapplicationbegantofilterintowelding,logistics,mechanicalprocessing,andotherindustries.Especiallyathighorverylowtemperatures,fullofpoisonousgases,highradiationcase,robotinsimilarcircumstancesshowedgreatusealsobringsgreatconveniencetothestaff.Preciselybecauseofthisrobottogetpeople"sattentionbegantobeahighdegreeofdevelopment.Laborrates,workingconditions,laborintensiveaspectsofpromotingdevelopment.BothathomeandabroadtodevelopthePLC(programmablelogiccontroller)isinvariousspecialcircumstancesandunderspecialconditionssetformechanicaldevices.Nowturnedonthedevelopmentofthemicroelectronicsautomaticcontroltechnologyandtherapiddevelopmentofthetrains,thesuccessofPLChardwaresoftwareandsimulationcontrolwinbigandsuccessfuldevelopment,nowcontinuestodevelopasafactoryautomationstandards.Becauserobotsaregooddevelopmentofthetechnologymakesagoodoptimizationofproductivecapital,androbotshowsthisuniqueadvantages,suchas:hasgoodcompatibility,wideavailability,hardwareiscomplete,andprogrammingthatcanbemasteredinashorttime,sointhecontextofindustrialPLCapplicationsbecameubiquitous.Manipulatorinmanydevelopedcountryagricultureandindustryhasbeenapplied,suchastheuseofmechanicalharvestinglargeareasoffarmland,repeatedoperationsonthehigh-speedlinethatusesaroboticarm,andsoon.Today,thehighlevelofautomationcombinedwithrestrictionsonthemanipulatordevelopmentlevelisslightlylowerthantheinternational.ThedesignismainlyarmweldingmachinebyPLCAutomationcontrol.Thisofdesignletdesignersoninschoolbylearnofhasamustofconsolidation,understandhassomeusuallydidn"topportunitiesawarenessinworldrangewithinsomeleadinglevelofknowledgehashasmustawareness,hopedesignerscaninyihouofdesigninthecansuccessofusinginthisdesignintheproceedsofexperience1.2manipulatorinbothathomeandabroadofresearchprofileautomationmechanicalarmresearchbeganYu20thcenturymedium-term,afteryearswithwithcomputerandautomationtechnologyofdevelopment,MakesmechanicalarmontheGrandstageofindustrialautomationandshine,graduallybecameanindustrialevaluationstandards,anditsimportancecanbeseen.Noworiginalroboticarmspentmostofmassproductionanduseontheproductionline,whichisprogrammedroboticarm.Asthefirstgenerationofmanipulatorpositioncontrolsystemsmainfeatures,althoughnotbackseveralgenerationsthatcandetecttheexternalenvironment,butcanstillsuccessfullycompletelikewelding,painting,deliveryaswellasformaterialssimplemovements.Secondgenerationmechanicalarmsareequippedwithsensorsandmanipulatorshavetheenvironmentthereisacertainamountof"sense",whenthemechanicalarmistousetheprogramasabasis.Differenceisthattherobotbegand施工单位广西恒辉建筑集团有限公司工程名称云董坡保障房项目3#楼分部工程外墙涂料交底部位外墙吊篮日期2015.3.15交底内容第一、吊篮内操作安全交底1、吊篮操作工,必须经认定的机构培训合格,持证上岗。无操作上岗证的人员,严禁操作吊篮。2、进入吊篮,必须戴好安全帽,系好安全带、钩好保险钩(拴在安全保险绳上)。3、吊篮操作工和上篮人员,应严格遵守吊篮“使用说明书”和“安全技术规定”。4、上篮人员必须身体健康,无高血压、贫血病、癫痫病和其他不适宜高空作业的疾病,严禁酒后作业,禁止在吊篮内玩笑嬉闹。5、吊篮搭设构造必须遵照专项安全施工组织设计(施工方案)的规定,组装或拆除时,应3人配合操作,严格按搭设程序进行,任何人不允许改变方案。6、吊篮的负载不得超过1176N/㎡(120公斤/㎡),吊篮上的作业人员和材料要对称分布,不得集中在一头,保持吊篮负载平衡。7、承重钢丝绳与挑梁连接必须牢靠,并应有预钢丝绳受剪的保护措施。8、吊篮的位置和挑梁的设置应根据建筑物实际情况而定。挑梁挑出的长度与吊篮的吊点必须保持垂直,安装挑梁时,应使挑梁探出建筑物一端稍高于另一端。挑梁在建筑物内外的两端应用钢管连接牢固,成为整体。9、每班每一次升降吊篮前,必须先检查电源、钢丝绳、屋面悬臂架,悬臂架配重块是否符合要求,检查安全锁和升降电机是否完好。10、吊篮升降范围内,必须清除外场面的障碍物。11、严禁将吊篮作为运输材料和人员的电梯使用,严格控制吊篮内的荷载。12、上篮作业人员必须在上、下午离开吊篮前,对安全锁、升降机及钢丝绳等沾污的水泥浆等杂物垃圾作一次清除,以确保机械的安全可靠性。13、上吊篮人员在操作前必须做到下列几点:检查电源线连接点,观察指示灯;按启动按钮,检查平台是否处于水平状态;检查限位开关;检查提升器与平台的连接处;检查安全绳与安全锁连接是否可靠,动作是否正常。14、每天下班停用吊篮,应将吊放下降到二层楼窗厅口,并用拉杆将吊篮拉牢在建筑物窗洞口上,不使吊篮随风飘动。15、电动吊篮必须实施二级漏电保护。16、电动吊篮在使用过程中,严禁空中无保障时上下人员及物料,以防坠人坠物。外墙涂料安全技术交底专业技术负责人:交底人:接受人:tabletscover,placedovernight,resetelectricBoardShangslowlyheatingtodigestliquidcolorlesstransparent,andappearedlargeperchloratesmoke,removedtaperedbottle,joined0.5mLsulfuricacid,Withoutglasscover.resetappropriatelyelevatedtemperatureremoveperchlorateontheheatingplates.Add10mL~15mLofwater,heattoboiling.Aftertakingdowncoldvolumeto50mLwithwater,ifthedilutionofthesampleisdifferent,shouldensurethatsamplescontaining1%sulfateinsolution.Whiletworeagentblanks.Determinationofdrawing5,0.0,0.5,1.0,2.0,3.0,4.0,6.0mLaluminiumstandardsolution(theequivalentofaluminium-containing0,0.5,1.0,2.0,4.0,6.0μgg)wereplacedina25mLcolorimetrictube.InturneachtubeaddlmLsulfuricacidsolutionl%.吸...Pathogenicbacteria(salmonella,Shigella,Staphylococcus),GB/T4789.4,GB/T4789.5,GB/T4789.10,moldyeastticketGB7718starchandstarchproductsinspectionandtestingthesensestaking50gramsormoreofsamplesplacedinawhiteporcelainplates,innaturallightwitheyecolor,noseandsmellingandtastingit.Test1,definitionofnetcontentofstarchwaterandstarchwaterprinciple:starchsamplesdryweightloss.Sampleweightlossweightexpressedasapercentageoftheoriginalweightofthesample.Thisstandardappliesto130c,1starchstarchpropertystabilitysamplesatatmosphericpressure.Principle:thesamplesatatemperatureof130-133c,anatmosphericpressureofelectricheatingintheoven-drying90min,getthesampleweightloss.2,instrumentsandanalyticalbalance;Metalplate:notundertheinfluenceofstarchinthetestconditions.Dishshouldbeevenlydistributedonthesurfacethetestsamplesshallnotexceed0.3G/cm2.Thespecificationsforthediameter55-65mm,high15-30mm,wallmanipulatorcontrolmodeandprogrammablecontrollersintroduction2.1Selectdiscussionwithmanipulatorcontrol2.1.1classificationofcontrolrelaysanddiscreteelectroniccircuitcancontrololdindustrialequipment,butalsomorecommon.Mainlythesetworelativelycheapandyoucanmeettheold-fashioned,simple(orsimple)industrialequipment.Sohecanseethemnow,howeverthesetwocontrolmodes(relayanddiscreteelectroniccircuits)arethesefatalflaws:(1)cannotadapttothecomplexlogiccontrol,(2)onlyforthecurrentproject,thelackofcompatibilityand(3)notreformingthesystemwithequipmentimprovements.SpringforthedevelopmentofChina"smodernindustrialautomationtechnologythesubstantialincreaseinthelevelofindustrialautomation,completedtheperfectrelayofthecomputertoomuch.Intermsofcontrollingthecomputershowedhistwogreatadvantages:(1)eachofthehardwarecanbeinstalledononeormoremicroprocessors;(2)theofficialdesignerofthesoftwarewritingcontentcontrolisallabout.Nowinseveralwaysinthecontextofindustrialautomationcanoftenbeseeninthreeways:(1)ProgrammableLogicalController(referredtoasIPC);(2)DistributedControlSystem(DCSforshort),and(3)theProgrammableLogicalController(PLCforshort).2.1.2PLCandtheIPCandDCScontrastcontrast1,eachofthethreetechnologiesoforiginsanddevelopmentrequirementsforfastdataprocessingmakesitinventedthecomputer.Themenbroughtintermsofhardwarethere,usingahighlevelofstandardization,canusemorecompatibilitytools,isarichsoftwareresources,especiallytheneedforimmediacyinoperationalsystems.Sothecomputercaneffectivelycontrolisusedtocontrolandmeetitsspeed,onthevirtualmodel,real-timeandincomputationalrequirements.Distributedsystemstartedwithacontrolsystemforindustrialautomaticinstrumentusedtocontrol,whereasnowitissuccessfullydevelopedintoindustrialcontrolcomputerusedasacentralcollectionanddistributionsystemandtransitionofdistributedcontrolsysteminanaloguehandling,loopcontrol,hasbeguntoreflecttheuseofahugeadvantage.Thoughdistributedsystemhasgreatadvantagesinloopregulation,butonlyasameansofcontinuousprocesscontrol.OptimizationofPLCisthecorrespondingrelayneedswasborn,itsmainuseintheworkordercontrol,earlyprimaryisreplacedrelaythishulkingsystem,focusedontheswitchcontrollingtherunningorderoffunctions.Markedbythemicroprocessorintheearly1970ofthe20thcenturyemerged,micro-electronicstechnologyhasdevelopedrapidly,peoplesoonmicroelectronicsprocessingtechnologywillbeusedintheProgrammableLogicalController(thatis Manipulatorisnowusedasaindustrialrobotsinuse,thecontrolobjectivesoftenappearofteninindustrialautomation.Industrialautomationtechnologyhasgraduallymatured,asmatureatechnologylinehasbeenrapiddevelopmentinindustrialautomationasaseparatesubject.Manipulatorapplicationbegantofilterintowelding,logistics,mechanicalprocessing,andotherindustries.Especiallyathighorverylowtemperatures,fullofpoisonousgases,highradiationcase,robotinsimilarcircumstancesshowedgreatusealsobringsgreatconveniencetothestaff.Preciselybecauseofthisrobottogetpeople"sattentionbegantobeahighdegreeofdevelopment.Laborrates,workingconditions,laborintensiveaspectsofpromotingdevelopment.BothathomeandabroadtodevelopthePLC(programmablelogiccontroller)isinvariousspecialcircumstancesandunderspecialconditionssetformechanicaldevices.Nowturnedonthedevelopmentofthemicroelectronicsautomaticcontroltechnologyandtherapiddevelopmentofthetrains,thesuccessofPLChardwaresoftwareandsimulationcontrolwinbigandsuccessfuldevelopment,nowcontinuestodevelopasafactoryautomationstandards.Becauserobotsaregooddevelopmentofthetechnologymakesagoodoptimizationofproductivecapital,androbotshowsthisuniqueadvantages,suchas:hasgoodcompatibility,wideavailability,hardwareiscomplete,andprogrammingthatcanbemasteredinashorttime,sointhecontextofindustrialPLCapplicationsbecameubiquitous.Manipulatorinmanydevelopedcountryagricultureandindustryhasbeenapplied,suchastheuseofmechanicalharvestinglargeareasoffarmland,repeatedoperationsonthehigh-speedlinethatusesaroboticarm,andsoon.Today,thehighlevelofautomationcombinedwithrestrictionsonthemanipulatordevelopmentlevelisslightlylowerthantheinternational.ThedesignismainlyarmweldingmachinebyPLCAutomationcontrol.Thisofdesignletdesignersoninschoolbylearnofhasamustofconsolidation,understandhassomeusuallydidn"topportunitiesawarenessinworldrangewithinsomeleadinglevelofknowledgehashasmustawareness,hopedesignerscaninyihouofdesigninthecansuccessofusinginthisdesignintheproceedsofexperience1.2manipulatorinbothathomeandabroadofresearchprofileautomationmechanicalarmresearchbeganYu20thcenturymedium-term,afteryearswithwithcomputerandautomationtechnologyofdevelopment,MakesmechanicalarmontheGrandstageofindustrialautomationandshine,graduallybecameanindustrialevaluationstandards,anditsimportancecanbeseen.Noworiginalroboticarmspentmostofmassproductionanduseontheproductionline,whichisprogrammedroboticarm.Asthefirstgenerationofmanipulatorpositioncontrolsystemsmainfeatures,althoughnotbackseveralgenerationsthatcandetecttheexternalenvironment,butcanstillsuccessfullycompletelikewelding,painting,deliveryaswellasformaterialssimplemovements.Secondgenerationmechanicalarmsareequippedwithsensorsandmanipulatorshavetheenvironmentthereisacertainamountof"sense",whenthemechanicalarmistousetheprogramasabasis.Differenceisthattherobotbegand外墙涂料安全技术交底施工单位广西恒辉建筑集团有限公司工程名称云董坡保障房项目3#楼分部工程外墙涂料交底部位外墙吊篮日期2015.3.15交底内容17、五级(含五级)大风以上不得使用吊篮。18、雨天严禁使用吊篮。19、吊篮在每天开始使用前,必须要认真检查。20、一旦发生故障,必须立即停止使用并通知检修人员,待检修合格后才可以继续使用。21、平台内施工人员允许一到四人操作,严禁四人以上操作。22、吊篮未着地不允许进行位置移动。23、吊篮的负载不得超过1176N/㎡(120㎏/㎡),严禁集中堆载、偏载、超载。24、配重块必须均匀码放并固定,以保证负载平衡。25、吊篮的安装、升降、拆除、维修必须由专人进行。26、吊篮悬挂机构的左右移动是通过前支撑底部的滑轮固定,吊篮悬挂机构的前后是不会移动的,吊篮悬挂机构固定形式是通过在后支座处加配重块固定,配重块必须均匀码放并固定,以保证负载平衡。27、在吊篮施工时,有专门负责的安全员巡查,在特殊的情况下,及时汇报处理解决。28、材料在空中进出时,首先要将吊篮固定在主体结构上,固定点不少于两点,然后再将材料运输到吊篮内。吊篮施工季节性措施在雨季,应将吊篮的左右提升机用防水油布包裹住,并在电缆的接口处用防水胶布密封住以便尽可能的防止雨水进入电机内。电缆的所有接头都用防水胶布缠绕,电控箱的各个承接插口在雨季施工中必须用防水胶布黏结。雷雨天及大风天绝对禁止施工,并在雷雨到来之前彻底检查吊篮的接地情况。六级以上大风天气里,必须将吊篮下降到地面或施工面的最低点。冬季施工应注意不可以将施工用水到处飞溅,以免结冰而导致施工人员摔倒而出现事故。在冬季雾天施工时,应等大雾散去并在日照比较充足下,才可以使用电动吊篮,否则,容易出现打滑并可能出现设备事故。冬季施工需将棉衣和棉裤系好袖口和裤脚。专业技术负责人:交底人:接受人:外墙涂料安全技术交底tabletscover,placedovernight,resetelectricBoardShangslowlyheatingtodigestliquidcolorlesstransparent,andappearedlargeperchloratesmoke,removedtaperedbottle,joined0.5mLsulfuricacid,Withoutglasscover.resetappropriatelyelevatedtemperatureremoveperchlorateontheheatingplates.Add10mL~15mLofwater,heattoboiling.Aftertakingdowncoldvolumeto50mLwithwater,ifthedilutionofthesampleisdifferent,shouldensurethatsamplescontaining1%sulfateinsolution.Whiletworeagentblanks.Determinationofdrawing5,0.0,0.5,1.0,2.0,3.0,4.0,6.0mLaluminiumstandardsolution(theequivalentofaluminium-containing0,0.5,1.0,2.0,4.0,6.0μgg)wereplacedina25mLcolorimetrictube.InturneachtubeaddlmLsulfuricacidsolutionl%.吸...Pathogenicbacteria(salmonella,Shigella,Staphylococcus),GB/T4789.4,GB/T4789.5,GB/T4789.10,moldyeastticketGB7718starchandstarchproductsinspectionandtestingthesensestaking50gramsormoreofsamplesplacedinawhiteporcelainplates,innaturallightwitheyecolor,noseandsmellingandtastingit.Test1,definitionofnetcontentofstarchwaterandstarchwaterprinciple:starchsamplesdryweightloss.Sampleweightlossweightexpressedasapercentageoftheoriginalweightofthesample.Thisstandardappliesto130c,1starchstarchpropertystabilitysamplesatatmosphericpressure.Principle:thesamplesatatemperatureof130-133c,anatmosphericpressureofelectricheatingintheoven-drying90min,getthesampleweightloss.2,instrumentsandanalyticalbalance;Metalplate:notundertheinfluenceofstarchinthetestconditions.Dishshouldbeevenlydistributedonthesurfacethetestsamplesshallnotexceed0.3G/cm2.Thespecificationsforthediameter55-65mm,high15-30mm,wallmanipulatorcontrolmodeandprogrammablecontrollersintroduction2.1Selectdiscussionwithmanipulatorcontrol2.1.1classificationofcontrolrelaysanddiscreteelectroniccircuitcancontrololdindustrialequipment,butalsomorecommon.Mainlythesetworelativelycheapandyoucanmeettheold-fashioned,simple(orsimple)industrialequipment.Sohecanseethemnow,howeverthesetwocontrolmodes(relayanddiscreteelectroniccircuits)arethesefatalflaws:(1)cannotadapttothecomplexlogiccontrol,(2)onlyforthecurrentproject,thelackofcompatibilityand(3)notreformingthesystemwithequipmentimprovements.SpringforthedevelopmentofChina"smodernindustrialautomationtechnologythesubstantialincreaseinthelevelofindustrialautomation,completedtheperfectrelayofthecomputertoomuch.Intermsofcontrollingthecomputershowedhistwogreatadvantages:(1)eachofthehardwarecanbeinstalledononeormoremicroprocessors;(2)theofficialdesignerofthesoftwarewritingcontentcontrolisallabout.Nowinseveralwaysinthecontextofindustrialautomationcanoftenbeseeninthreeways:(1)ProgrammableLogicalController(referredtoasIPC);(2)DistributedControlSystem(DCSforshort),and(3)theProgrammableLogicalController(PLCforshort).2.1.2PLCandtheIPCandDCScontrastcontrast1,eachofthethreetechnologiesoforiginsanddevelopmentrequirementsforfastdataprocessingmakesitinventedthecomputer.Themenbroughtintermsofhardwarethere,usingahighlevelofstandardization,canusemorecompatibilitytools,isarichsoftwareresources,especiallytheneedforimmediacyinoperationalsystems.Sothecomputercaneffectivelycontrolisusedtocontrolandmeetitsspeed,onthevirtualmodel,real-timeandincomputationalrequirements.Distributedsystemstartedwithacontrolsystemforindustrialautomaticinstrumentusedtocontrol,whereasnowitissuccessfullydevelopedintoindustrialcontrolcomputerusedasacentralcollectionanddistributionsystemandtransitionofdistributedcontrolsysteminanaloguehandling,loopcontrol,hasbeguntoreflecttheuseofahugeadvantage.Thoughdistributedsystemhasgreatadvantagesinloopregulation,butonlyasameansofcontinuousprocesscontrol.OptimizationofPLCisthecorrespondingrelayneedswasborn,itsmainuseintheworkordercontrol,earlyprimaryisreplacedrelaythishulkingsystem,focusedontheswitchcontrollingtherunningorderoffunctions.Markedbythemicroprocessorintheearly1970ofthe20thcenturyemerged,micro-electronicstechnologyhasdevelopedrapidly,peoplesoonmicroelectronicsprocessingtechnologywillbeusedintheProgrammableLogicalController(thatis Manipulatorisnowusedasaindustrialrobotsinuse,thecontrolobjectivesoftenappearofteninindustrialautomation.Industrialautomationtechnologyhasgraduallymatured,asmatureatechnologylinehasbeenrapiddevelopmentinindustrialautomationasaseparatesubject.Manipulatorapplicationbegantofilterintowelding,logistics,mechanicalprocessing,andotherindustries.Especiallyathighorverylowtemperatures,fullofpoisonousgases,highradiationcase,robotinsimilarcircumstancesshowedgreatusealsobringsgreatconveniencetothestaff.Preciselybecauseofthisrobottogetpeople"sattentionbegantobeahighdegreeofdevelopment.Laborrates,workingconditions,laborintensiveaspectsofpromotingdevelopment.BothathomeandabroadtodevelopthePLC(programmablelogiccontroller)isinvariousspecialcircumstancesandunderspecialconditionssetformechanicaldevices.Nowturnedonthedevelopmentofthemicroelectronicsautomaticcontroltechnologyandtherapiddevelopmentofthetrains,thesuccessofPLChardwaresoftwareandsimulationcontrolwinbigandsuccessfuldevelopment,nowcontinuestodevelopasafactoryautomationstandards.Becauserobotsaregooddevelopmentofthetechnologymakesagoodoptimizationofproductivecapital,androbotshowsthisuniqueadvantages,suchas:hasgoodcompatibility,wideavailability,hardwareiscomplete,andprogrammingthatcanbemasteredinashorttime,sointhecontextofindustrialPLCapplicationsbecameubiquitous.Manipulatorinmanydevelopedcountryagricultureandindustryhasbeenapplied,suchastheuseofmechanicalharvestinglargeareasoffarmland,repeatedoperationsonthehigh-speedlinethatusesaroboticarm,andsoon.Today,thehighlevelofautomationcombinedwithrestrictionsonthemanipulatordevelopmentlevelisslightlylowerthantheinternational.ThedesignismainlyarmweldingmachinebyPLCAutomationcontrol.Thisofdesignletdesignersoninschoolbylearnofhasamustofconsolidation,understandhassomeusuallydidn"topportunitiesawarenessinworldrangewithinsomeleadinglevelofknowledgehashasmustawareness,hopedesignerscaninyihouofdesigninthecansuccessofusinginthisdesignintheproceedsofexperience1.2manipulatorinbothathomeandabroadofresearchprofileautomationmechanicalarmresearchbeganYu20thcenturymedium-term,afteryearswithwithcomputerandautomationtechnologyofdevelopment,MakesmechanicalarmontheGrandstageofindustrialautomationandshine,graduallybecameanindustrialevaluationstandards,anditsimportancecanbeseen.Noworiginalroboticarmspentmostofmassproductionanduseontheproductionline,whichisprogrammedroboticarm.Asthefirstgenerationofmanipulatorpositioncontrolsystemsmainfeatures,althoughnotbackseveralgenerationsthatcandetecttheexternalenvironment,butcanstillsuccessfullycompletelikewelding,painting,deliveryaswellasformaterialssimplemovements.Secondgenerationmechanicalarmsareequippedwithsensorsandmanipulatorshavetheenvironmentthereisacertainamountof"sense",whenthemechanicalarmistousetheprogramasabasis.Differenceisthattherobotbegand专业技术负责人:交底人:接受人:施工单位广西恒辉建筑集团有限公司工程名称云董坡保障房项目3#楼分部工程外墙涂料交底部位外墙吊篮日期2015.3.15交底内容第二、外墙涂料技术交底一、施工准备1、墙面应基本干燥,基层含水率不得大于10%。2、窗户保护膜已粘贴完毕。3、吊篮经验收合格。二、基层处理1、首先对基层进行查看,对表面浮粒,残渣进行清除,确保表面清洁,无疏松物,无潮湿。2、对表面细微裂缝、砂眼、阳角碰坏细小处进行全方位修复处理。3、对分格条(缝)、棱角基层修复,确保分格条(缝)棱角清晰、平直,基层光洁、防水。4、基层应尽量做到干净、平整、牢固。墙面进行分段验收,如发现墙面起壳、严重裂缝、分格线破损、粉刷上下交接处不平整,阴阳角不垂直、油脂、污脂等弊病。应上报房产公司有关管理人员进行协调,返修至施工规范标准要求后,再进行下道工序施工。外墙涂料安全技术交底tabletscover,placedovernight,resetelectricBoardShangslowlyheatingtodigestliquidcolorlesstransparent,andappearedlargeperchloratesmoke,removedtaperedbottle,joined0.5mLsulfuricacid,Withoutglasscover.resetappropriatelyelevatedtemperatureremoveperchlorateontheheatingplates.Add10mL~15mLofwater,heattoboiling.Aftertakingdowncoldvolumeto50mLwithwater,ifthedilutionofthesampleisdifferent,shouldensurethatsamplescontaining1%sulfateinsolution.Whiletworeagentblanks.Determinationofdrawing5,0.0,0.5,1.0,2.0,3.0,4.0,6.0mLaluminiumstandardsolution(theequivalentofaluminium-containing0,0.5,1.0,2.0,4.0,6.0μgg)wereplacedina25mLcolorimetrictube.InturneachtubeaddlmLsulfuricacidsolutionl%.吸...Pathogenicbacteria(salmonella,Shigella,Staphylococcus),GB/T4789.4,GB/T4789.5,GB/T4789.10,moldyeastticketGB7718starchandstarchproductsinspectionandtestingthesensestaking50gramsormoreofsamplesplacedinawhiteporcelainplates,innaturallightwitheyecolor,noseandsmellingandtastingit.Test1,definitionofnetcontentofstarchwaterandstarchwaterprinciple:starchsamplesdryweightloss.Sampleweightlossweightexpressedasapercentageoftheoriginalweightofthesample.Thisstandardappliesto130c,1starchstarchpropertystabilitysamplesatatmosphericpressure.Principle:thesamplesatatemperatureof130-133c,anatmosphericpressureofelectricheatingintheoven-drying90min,getthesampleweightloss.2,instrumentsandanalyticalbalance;Metalplate:notundertheinfluenceofstarchinthetestconditions.Dishshouldbeevenlydistributedonthesurfacethetestsamplesshallnotexceed0.3G/cm2.Thespecificationsforthediameter55-65mm,high15-30mm,wallmanipulatorcontrolmodeandprogrammablecontrollersintroduction2.1Selectdiscussionwithmanipulatorcontrol2.1.1classificationofcontrolrelaysanddiscreteelectroniccircuitcancontrololdindustrialequipment,butalsomorecommon.Mainlythesetworelativelycheapandyoucanmeettheold-fashioned,simple(orsimple)industrialequipment.Sohecanseethemnow,howeverthesetwocontrolmodes(relayanddiscreteelectroniccircuits)arethesefatalflaws:(1)cannotadapttothecomplexlogiccontrol,(2)onlyforthecurrentproject,thelackofcompatibilityand(3)notreformingthesystemwithequipmentimprovements.SpringforthedevelopmentofChina"smodernindustrialautomationtechnologythesubstantialincreaseinthelevelofindustrialautomation,completedtheperfectrelayofthecomputertoomuch.Intermsofcontrollingthecomputershowedhistwogreatadvantages:(1)eachofthehardwarecanbeinstalledononeormoremicroprocessors;(2)theofficialdesignerofthesoftwarewritingcontentcontrolisallabout.Nowinseveralwaysinthecontextofindustrialautomationcanoftenbeseeninthreeways:(1)ProgrammableLogicalController(referredtoasIPC);(2)DistributedControlSystem(DCSforshort),and(3)theProgrammableLogicalController(PLCforshort).2.1.2PLCandtheIPCandDCScontrastcontrast1,eachofthethreetechnologiesoforiginsanddevelopmentrequirementsforfastdataprocessingmakesitinventedthecomputer.Themenbroughtintermsofhardwarethere,usingahighlevelofstandardization,canusemorecompatibilitytools,isarichsoftwareresources,especiallytheneedforimmediacyinoperationalsystems.Sothecomputercaneffectivelycontrolisusedtocontrolandmeetitsspeed,onthevirtualmodel,real-timeandincomputationalrequirements.Distributedsystemstartedwithacontrolsystemforindustrialautomaticinstrumentusedtocontrol,whereasnowitissuccessfullydevelopedintoindustrialcontrolcomputerusedasacentralcollectionanddistributionsystemandtransitionofdistributedcontrolsysteminanaloguehandling,loopcontrol,hasbeguntoreflecttheuseofahugeadvantage.Thoughdistributedsystemhasgreatadvantagesinloopregulation,butonlyasameansofcontinuousprocesscontrol.OptimizationofPLCisthecorrespondingrelayneedswasborn,itsmainuseintheworkordercontrol,earlyprimaryisreplacedrelaythishulkingsystem,focusedontheswitchcontrollingtherunningorderoffunctions.Markedbythemicroprocessorintheearly1970ofthe20thcenturyemerged,micro-electronicstechnologyhasdevelopedrapidly,peoplesoonmicroelectronicsprocessingtechnologywillbeusedintheProgrammableLogicalController(thatis Manipulatorisnowusedasaindustrialrobotsinuse,thecontrolobjectivesoftenappearofteninindustrialautomation.Industrialautomationtechnologyhasgraduallymatured,asmatureatechnologylinehasbeenrapiddevelopmentinindustrialautomationasaseparatesubject.Manipulatorapplicationbegantofilterintowelding,logistics,mechanicalprocessing,andotherindustries.Especiallyathighorverylowtemperatures,fullofpoisonousgases,highradiationcase,robotinsimilarcircumstancesshowedgreatusealsobringsgreatconveniencetothestaff.Preciselybecauseofthisrobottogetpeople"sattentionbegantobeahighdegreeofdevelopment.Laborrates,workingconditions,laborintensiveaspectsofpromotingdevelopment.BothathomeandabroadtodevelopthePLC(programmablelogiccontroller)isinvariousspecialcircumstancesandunderspecialconditionssetformechanicaldevices.Nowturnedonthedevelopmentofthemicroelectronicsautomaticcontroltechnologyandtherapiddevelopmentofthetrains,thesuccessofPLChardwaresoftwareandsimulationcontrolwinbigandsuccessfuldevelopment,nowcontinuestodevelopasafactoryautomationstandards.Becauserobotsaregooddevelopmentofthetechnologymakesagoodoptimizationofproductivecapital,androbotshowsthisuniqueadvantages,suchas:hasgoodcompatibility,wideavailability,hardwareiscomplete,andprogrammingthatcanbemasteredinashorttime,sointhecontextofindustrialPLCapplicationsbecameubiquitous.Manipulatorinmanydevelopedcountryagricultureandindustryhasbeenapplied,suchastheuseofmechanicalharvestinglargeareasoffarmland,repeatedoperationsonthehigh-speedlinethatusesaroboticarm,andsoon.Today,thehighlevelofautomationcombinedwithrestrictionsonthemanipulatordevelopmentlevelisslightlylowerthantheinternational.ThedesignismainlyarmweldingmachinebyPLCAutomationcontrol.Thisofdesignletdesignersoninschoolbylearnofhasamustofconsolidation,understandhassomeusuallydidn"topportunitiesawarenessinworldrangewithinsomeleadinglevelofknowledgehashasmustawareness,hopedesignerscaninyihouofdesigninthecansuccessofusinginthisdesignintheproceedsofexperience1.2manipulatorinbothathomeandabroadofresearchprofileautomationmechanicalarmresearchbeganYu20thcenturymedium-term,afteryearswithwithcomputerandautomationtechnologyofdevelopment,MakesmechanicalarmontheGrandstageofindustrialautomationandshine,graduallybecameanindustrialevaluationstandards,anditsimportancecanbeseen.Noworiginalroboticarmspentmostofmassproductionanduseontheproductionline,whichisprogrammedroboticarm.Asthefirstgenerationofmanipulatorpositioncontrolsystemsmainfeatures,althoughnotbackseveralgenerationsthatcandetecttheexternalenvironment,butcanstillsuccessfullycompletelikewelding,painting,deliveryaswellasformaterialssimplemovements.Secondgenerationmechanicalarmsareequippedwithsensorsandmanipulatorshavetheenvironmentthereisacertainamountof"sense",whenthemechanicalarmistousetheprogramasabasis.Differenceisthattherobotbegand专业技术负责人:交底人:接受人:施工单位广西恒辉建筑集团有限公司工程名称云董坡保障房项目3#楼分部工程外墙涂料交底部位外墙吊篮日期2015.3.15交底内容三、墙面基层批底为达到最佳的批刮效果,用2m长的铝合金直尺进行批刮腻子,或采用双手拿的长铁板批刮,第一次横向批刮,第二次就要纵向批刮。要用这样特殊的工具进行施工那是因为泥工本身粉刷的铁板就比油漆工的长,它的两个着力点本身就比较长,比较平,而你再用小铁板批刮不是就更不平了吗?所以,我们要用这样特殊的工具进行施工,从而达到最佳效果。四、底漆涂刷施工:1、对基层表面处理后从细部到大面积仔细检查,确认符合要求,检测基层含水率≦15%,PH值≦10,且天气晴好时,方可进行基层封底;2、基层封底漆严格按规定的稀释比例稀释,采用SUZUKA石材调专用底漆施工,注意:稀释时应充分搅拌,稀释比例为10%(即每桶20.7kg稀释为2.07kg);施工工具:中毛滚筒;用量:0.12kg/平方米/层;3、施工时,用滚筒或排笔蘸取底漆,刷与墙上。底漆施工一遍,不能漏刷底漆;4、基层封底先小面后大面、从上到下施工;5、基层封底涂饰确保无漏底、流挂;6、待底漆施工完毕后,4小时内避免淋雨,干燥12小时,方可涂第一遍面漆;7、如果工程进行中,出现局部修补,修补处应待墙体干后,重上底漆,不能直接在漏刷底漆的位置涂刷面漆。tabletscover,placedovernight,resetelectricBoardShangslowlyheatingtodigestliquidcolorlesstransparent,andappearedlargeperchloratesmoke,removedtaperedbottle,joined0.5mLsulfuricacid,Withoutglasscover.resetappropriatelyelevatedtemperatureremoveperchlorateontheheatingplates.Add10mL~15mLofwater,heattoboiling.Aftertakingdowncoldvolumeto50mLwithwater,ifthedilutionofthesampleisdifferent,shouldensurethatsamplescontaining1%sulfateinsolution.Whiletworeagentblanks.Determinationofdrawing5,0.0,0.5,1.0,2.0,3.0,4.0,6.0mLaluminiumstandardsolution(theequivalentofaluminium-containing0,0.5,1.0,2.0,4.0,6.0μgg)wereplacedina25mLcolorimetrictube.InturneachtubeaddlmLsulfuricacidsolutionl%.吸...Pathogenicbacteria(salmonella,Shigella,Staphylococcus),GB/T4789.4,GB/T4789.5,GB/T4789.10,moldyeastticketGB7718starchandstarchproductsinspectionandtestingthesensestaking50gramsormoreofsamplesplacedinawhiteporcelainplates,innaturallightwitheyecolor,noseandsmellingandtastingit.Test1,definitionofnetcontentofstarchwaterandstarchwaterprinciple:starchsamplesdryweightloss.Sampleweightlossweightexpressedasapercentageoftheoriginalweightofthesample.Thisstandardappliesto130c,1starchstarchpropertystabilitysamplesatatmosphericpressure.Principle:thesamplesatatemperatureof130-133c,anatmosphericpressureofelectricheatingintheoven-drying90min,getthesampleweightloss.2,instrumentsandanalyticalbalance;Metalplate:notundertheinfluenceofstarchinthetestconditions.Dishshouldbeevenlydistributedonthesurfacethetestsamplesshallnotexceed0.3G/cm2.Thespecificationsforthediameter55-65mm,high15-30mm,wallmanipulatorcontrolmodeandprogrammablecontrollersintroduction2.1Selectdiscussionwithmanipulatorcontrol2.1.1classificationofcontrolrelaysanddiscreteelectroniccircuitcancontrololdindustrialequipment,butalsomorecommon.Mainlythesetworelativelycheapandyoucanmeettheold-fashioned,simple(orsimple)industrialequipment.Sohecanseethemnow,howeverthesetwocontrolmodes(relayanddiscreteelectroniccircuits)arethesefatalflaws:(1)cannotadapttothecomplexlogiccontrol,(2)onlyforthecurrentproject,thelackofcompatibilityand(3)notreformingthesystemwithequipmentimprovements.SpringforthedevelopmentofChina"smodernindustrialautomationtechnologythesubstantialincreaseinthelevelofindustrialautomation,completedtheperfectrelayofthecomputertoomuch.Intermsofcontrollingthecomputershowedhistwogreatadvantages:(1)eachofthehardwarecanbeinstalledononeormoremicroprocessors;(2)theofficialdesignerofthesoftwarewritingcontentcontrolisallabout.Nowinseveralwaysinthecontextofindustrialautomationcanoftenbeseeninthreeways:(1)ProgrammableLogicalController(referredtoasIPC);(2)DistributedControlSystem(DCSforshort),and(3)theProgrammableLogicalController(PLCforshort).2.1.2PLCandtheIPCandDCScontrastcontrast1,eachofthethreetechnologiesoforiginsanddevelopmentrequirementsforfastdataprocessingmakesitinventedthecomputer.Themenbroughtintermsofhardwarethere,usingahighlevelofstandardization,canusemorecompatibilitytools,isarichsoftwareresources,especiallytheneedforimmediacyinoperationalsystems.Sothecomputercaneffectivelycontrolisusedtocontrolandmeetitsspeed,onthevirtualmodel,real-timeandincomputationalrequirements.Distributedsystemstartedwithacontrolsystemforindustrialautomaticinstrumentusedtocontrol,whereasnowitissuccessfullydevelopedintoindustrialcontrolcomputerusedasacentralcollectionanddistributionsystemandtransitionofdistributedcontrolsysteminanaloguehandling,loopcontrol,hasbeguntoreflecttheuseofahugeadvantage.Thoughdistributedsystemhasgreatadvantagesinloopregulation,butonlyasameansofcontinuousprocesscontrol.OptimizationofPLCisthecorrespondingrelayneedswasborn,itsmainuseintheworkordercontrol,earlyprimaryisreplacedrelaythishulkingsystem,focusedontheswitchcontrollingtherunningorderoffunctions.Markedbythemicroprocessorintheearly1970ofthe20thcenturyemerged,micro-electronicstechnologyhasdevelopedrapidly,peoplesoonmicroelectronicsprocessingtechnologywillbeusedintheProgrammableLogicalController(thatis Manipulatorisnowusedasaindustrialrobotsinuse,thecontrolobjectivesoftenappearofteninindustrialautomation.Industrialautomationtechnologyhasgraduallymatured,asmatureatechnologylinehasbeenrapiddevelopmentinindustrialautomationasaseparatesubject.Manipulatorapplicationbegantofilterintowelding,logistics,mechanicalprocessing,andotherindustries.Especiallyathighorverylowtemperatures,fullofpoisonousgases,highradiationcase,robotinsimilarcircumstancesshowedgreatusealsobringsgreatconveniencetothestaff.Preciselybecauseofthisrobottogetpeople"sattentionbegantobeahighdegreeofdevelopment.Laborrates,workingconditions,laborintensiveaspectsofpromotingdevelopment.BothathomeandabroadtodevelopthePLC(programmablelogiccontroller)isinvariousspecialcircumstancesandunderspecialconditionssetformechanicaldevices.Nowturnedonthedevelopmentofthemicroelectronicsautomaticcontroltechnologyandtherapiddevelopmentofthetrains,thesuccessofPLChardwaresoftwareandsimulationcontrolwinbigandsuccessfuldevelopment,nowcontinuestodevelopasafactoryautomationstandards.Becauserobotsaregooddevelopmentofthetechnologymakesagoodoptimizationofproductivecapital,androbotshowsthisuniqueadvantages,suchas:hasgoodcompatibility,wideavailability,hardwareiscomplete,andprogrammingthatcanbemasteredinashorttime,sointhecontextofindustrialPLCapplicationsbecameubiquitous.Manipulatorinmanydevelopedcountryagricultureandindustryhasbeenapplied,suchastheuseofmechanicalharvestinglargeareasoffarmland,repeatedoperationsonthehigh-speedlinethatusesaroboticarm,andsoon.Today,thehighlevelofautomationcombinedwithrestrictionsonthemanipulatordevelopmentlevelisslightlylowerthantheinternational.ThedesignismainlyarmweldingmachinebyPLCAutomationcontrol.Thisofdesignletdesignersoninschoolbylearnofhasamustofconsolidation,understandhassomeusuallydidn"topportunitiesawarenessinworldrangewithinsomeleadinglevelofknowledgehashasmustawareness,hopedesignerscaninyihouofdesigninthecansuccessofusinginthisdesignintheproceedsofexperience1.2manipulatorinbothathomeandabroadofresearchprofileautomationmechanicalarmresearchbeganYu20thcenturymedium-term,afteryearswithwithcomputerandautomationtechnologyofdevelopment,MakesmechanicalarmontheGrandstageofindustrialautomationandshine,graduallybecameanindustrialevaluationstandards,anditsimportancecanbeseen.Noworiginalroboticarmspentmostofmassproductionanduseontheproductionline,whichisprogrammedroboticarm.Asthefirstgenerationofmanipulatorpositioncontrolsystemsmainfeatures,althoughnotbackseveralgenerationsthatcandetecttheexternalenvironment,butcanstillsuccessfullycompletelikewelding,painting,deliveryaswellasformaterialssimplemovements.Secondgenerationmechanicalarmsareequippedwithsensorsandmanipulatorshavetheenvironmentthereisacertainamountof"sense",whenthemechanicalarmistousetheprogramasabasis.Differenceisthattherobotbegand外墙涂料安全技术交底施工单位广西恒辉建筑集团有限公司工程名称云董坡保障房项目3#楼分部工程外墙涂料交底部位外墙吊篮日期2015.3.15交底内容五、弹性面漆施工A第一遍面涂施工1、在底漆干透的干净墙面上除去浮尘,可直接施工第一遍面漆。注意:施工前应对面涂充分进行搅拌;2、第一遍面漆施工,稀释比例为10%(即每桶22.05kg稀释为2.205kg);施工工具:中毛滚筒;用量:0.15kg/平方米/层;(注:稀释宜采用洁净的清水;稀释时应充分搅拌均匀)3、涂饰施工先小面后大面,从上面到下面按顺序施工;4、施工时涂料应接与分格线或窗套等处,避免结合处出现色差;5、施工后应达到色泽一致、无流挂、漏底,阴角处无积料;6、面漆施工工具不能混用,防止混色。B第二遍面漆施工1、在第一遍面涂施工完毕后,待涂层表面硬干后才能进行第二遍面涂施工,间隔时间为12小时;2、第二遍面漆施工,稀释比例为5%(即每桶22.05kg稀释为1.1kg);施工工具:中毛滚筒;用量:0.15kg/平方米/层;3、涂饰施工先小面后大面,从上面到下面按顺序施工;4、施工时涂料应接与分格线或窗套等处,避免结合处出现色差;5、施工后应达到色泽一致,无滚挂、漏底,阴角处无积料;6、局部修补时,尽量使用同一批号的涂料,防止色差。六、施工后维护:涂料施工后,干燥时间不小于24小时,才能经受雨水的冲刷,具体时间需要视干燥时候的气候情况而定。七、注意事项:1、以上涂料施工间隔时间为一般正常情况下,如遇温度低或空气潮湿等特殊情况需同涂料供货单位现场技术人员协商,确保无质量问题后施工;2、针对泥工修补及钢管洞修补处应干燥后再刷涂料,否则易脱皮起泡;3、下水管应先接出墙面,防止下雨影响墙面干燥。专业技术负责人:交底人:接受人:tabletscover,placedovernight,resetelectricBoardShangslowlyheatingtodigestliquidcolorlesstransparent,andappearedlargeperchloratesmoke,removedtaperedbottle,joined0.5mLsulfuricacid,Withoutglasscover.resetappropriatelyelevatedtemperatureremoveperchlorateontheheatingplates.Add10mL~15mLofwater,heattoboiling.Aftertakingdowncoldvolumeto50mLwithwater,ifthedilutionofthesampleisdifferent,shouldensurethatsamplescontaining1%sulfateinsolution.Whiletworeagentblanks.Determinationofdrawing5,0.0,0.5,1.0,2.0,3.0,4.0,6.0mLaluminiumstandardsolution(theequivalentofaluminium-containing0,0.5,1.0,2.0,4.0,6.0μgg)wereplacedina25mLcolorimetrictube.InturneachtubeaddlmLsulfuricacidsolutionl%.吸...Pathogenicbacteria(salmonella,Shigella,Staphylococcus),GB/T4789.4,GB/T4789.5,GB/T4789.10,moldyeastticketGB7718starchandstarchproductsinspectionandtestingthesensestaking50gramsormoreofsamplesplacedinawhiteporcelainplates,innaturallightwitheyecolor,noseandsmellingandtastingit.Test1,definitionofnetcontentofstarchwaterandstarchwaterprinciple:starchsamplesdryweightloss.Sampleweightlossweightexpressedasapercentageoftheoriginalweightofthesample.Thisstandardappliesto130c,1starchstarchpropertystabilitysamplesatatmosphericpressure.Principle:thesamplesatatemperatureof130-133c,anatmosphericpressureofelectricheatingintheoven-drying90min,getthesampleweightloss.2,instrumentsandanalyticalbalance;Metalplate:notundertheinfluenceofstarchinthetestconditions.Dishshouldbeevenlydistributedonthesurfacethetestsamplesshallnotexceed0.3G/cm2.Thespecificationsforthediameter55-65mm,high15-30mm,wallmanipulatorcontrolmodeandprogrammablecontrollersintroduction2.1Selectdiscussionwithmanipulatorcontrol2.1.1classificationofcontrolrelaysanddiscreteelectroniccircuitcancontrololdindustrialequipment,butalsomorecommon.Mainlythesetworelativelycheapandyoucanmeettheold-fashioned,simple(orsimple)industrialequipment.Sohecanseethemnow,howeverthesetwocontrolmodes(relayanddiscreteelectroniccircuits)arethesefatalflaws:(1)cannotadapttothecomplexlogiccontrol,(2)onlyforthecurrentproject,thelackofcompatibilityand(3)notreformingthesystemwithequipmentimprovements.SpringforthedevelopmentofChina"smodernindustrialautomationtechnologythesubstantialincreaseinthelevelofindustrialautomation,completedtheperfectrelayofthecomputertoomuch.Intermsofcontrollingthecomputershowedhistwogreatadvantages:(1)eachofthehardwarecanbeinstalledononeormoremicroprocessors;(2)theofficialdesignerofthesoftwarewritingcontentcontrolisallabout.Nowinseveralwaysinthecontextofindustrialautomationcanoftenbeseeninthreeways:(1)ProgrammableLogicalController(referredtoasIPC);(2)DistributedControlSystem(DCSforshort),and(3)theProgrammableLogicalController(PLCforshort).2.1.2PLCandtheIPCandDCScontrastcontrast1,eachofthethreetechnologiesoforiginsanddevelopmentrequirementsforfastdataprocessingmakesitinventedthecomputer.Themenbroughtintermsofhardwarethere,usingahighlevelofstandardization,canusemorecompatibilitytools,isarichsoftwareresources,especiallytheneedforimmediacyinoperationalsystems.Sothecomputercaneffectivelycontrolisusedtocontrolandmeetitsspeed,onthevirtualmodel,real-timeandincomputationalrequirements.Distributedsystemstartedwithacontrolsystemforindustrialautomaticinstrumentusedtocontrol,whereasnowitissuccessfullydevelopedintoindustrialcontrolcomputerusedasacentralcollectionanddistributionsystemandtransitionofdistributedcontrolsysteminanaloguehandling,loopcontrol,hasbeguntoreflecttheuseofahugeadvantage.Thoughdistributedsystemhasgreatadvantagesinloopregulation,butonlyasameansofcontinuousprocesscontrol.OptimizationofPLCisthecorrespondingrelayneedswasborn,itsmainuseintheworkordercontrol,earlyprimaryisreplacedrelaythishulkingsystem,focusedontheswitchcontrollingtherunningorderoffunctions.Markedbythemicroprocessorintheearly1970ofthe20thcenturyemerged,micro-electronicstechnologyhasdevelopedrapidly,peoplesoonmicroelectronicsprocessingtechnologywillbeusedintheProgrammableLogicalController(thatis'