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1、莱阳农学院2#学生公寓楼争创标准化工地施工方案青岛市胶州建设集团城阳分公司2005年11月betheorderofinstallation.(3)thepipelineinstallation,thehoseshouldbechecked,mirrorandlenspadoutofthemetalsealoflight,withoutanyscratches,pits,rust.Lowpressurepipeflangesealingandgasketshallnotaffectsealperformancedefectssuch
2、asscratches,spots.(4)high-strengthboltsshouldbecleaned,Visualinspectionnodefects,andcoatedwithmolybdenumdisulfidetoprotect.(5)highpressureflangeandpipeendsthreadedconnections,pipe-threadchamfershouldbeexposed,padofthelens.(6)shouldbeaccuratelyintotheflangesealingsurfa
3、ces,apairofflangeconnectionsshouldbekeptparalleltoeachother,thedeviationshallnotbegreaterthantheflangeouterdiameterof1.5%andlessthan2mm,notusestrongerboltsdeskewingmethod.(7)theflangeconnectionshouldbemaintainedandpipesconcentric,andshouldensurethattheboltsfreetoputth
4、emin.(8)thehighvoltageendthreadsofthepipeshouldbecleaned,thesurfaceshallnotbedefective.(9)flangeconnectionsboltsshouldusethesamespecifications,installationshouldbeconsistent,whenfasteningboltssymmetricallyeven.Elasticmoderate,afterfasteningboltsandnutsshouldbeflush.Hi
5、gh-temperaturepipinghottighttheboltsshouldalso,tighthotworkingtemperatureshouldbemaintainedafter2hours.(10)pipelineinstallationallowsdeviationmeetfollowingprovides:projectallowsdeviationcoordinatesoverheadandthetrenchindoor15OutdoorIndoor25elevationoverheadandthetrenc
6、houtdoor±152L‰maximum50±20levelpipelinestraightdegreesDN≤1003L‰maximum80DN﹥1003L‰maximum80Statetubeleadverticaldegrees5L‰maximum30intorowpipelinespacing1520(11)pipelineconnectionShi,shallnotstrongcounterpart,addedpartialpadoraddedmultilayerpadofMethodtoeliminatetheint
7、erfaceportspace,skewed,notoneaftertheHi-Loandotherdefects.17施工组织设计审批表LJA3-1-1工程名称莱阳农学院2#学生公寓楼工程地点城阳区古庙头村建设单位城阳区古庙头村委建筑面积19000（㎡）结构类型砖混结构工程造价（万元）设计单位监理单位层数、高度建筑物跨度开、竣工日期编制人项目负责人项目安全负责人参加会审人员签字单位职务职称签名审批结论技术负责人签字（盖章）日期年月日建设单位审批签字（盖章）监理单位签字（盖章）日期年月日日期年月日betheorderofinsta
8、llation.(3)thepipelineinstallation,thehoseshouldbechecked,mirrorandlenspadoutofthemetalsealoflight,withoutanyscratches,pits,
