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1、现场签证管理作业指引编号:版号:A/0页码:第5页共11页现场签证管理作业指引(项目公司)编制日期审核日期批准日期修订记录日期修订状态修改内容修改人审核人批准人党的基层组织建设有了新突破,党的作风建设有了新加强,为全镇发展经济、提高人民生活永平提供了坚实基础和强大动力carriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofload
2、s.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallatio
3、n7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;col
4、dinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressare
5、withintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increa
6、sethestabilityofpipingsystemstopreventpipeline...C.weldingelbowshouldbenotlessthan1.5timesthepipediameter.D.Presselbowshouldbenotsmallerthantheoutsidediameterofthepipe.现场签证管理作业指引编号:版号:A/0页码:第5页共11页党的基层组织建设有了新突破,党的作风建设有了新加强,为全镇发展经济、提高人民生活永平提供了坚实基础和强大动力carriedout;4)for
7、springhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.
8、Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hange