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1、第一章工程概况一、编制依掘：l、江苏创盛项目管理有限公司发布的《射阳县海通镇中尖、芦渔居委会农村饮用水管道安装工程》施工招标文件；2、关于本工程施工图设计、说明及答疑澄清纪要；3、《给排水管道工程施工及验收规范》GB50268-97；4、碳素结构钢GB/T700-20065、钢焊缝手工超声波探伤方法和探伤结果分级GB11345-896、钢材表面锈蚀等级与除锈等级GB8923-887、埋地钢质管道环氧煤沥青防腐涂层技术标准SYJ28-878、给水用聚乙烯管材GB/T13663-20009、普通砼用碎石或卵石质量标准及检验方法（JGJ5
2、3-92）10、普通砼用配合比设计规范（JGJ55-96）11、建筑安装工程质量检验评定标准（GBJ300-88）12、其他有关施工规范及标准。二、工程概况：1、工程名称:射阳县海通镇中尖、芦渔居委会农村饮用水管道安装工程。2、建设项目概述本次工程施工招标范围主要是射阳县海通镇中尖、芦渔居委会农村饮用水管道安装工程，管道采用镀锌钢管，管径为DN150、DN100及PVC-U管DN20、DN25、DN32、DN40、DN50、DN63、DN75、DN90、DN110enforcedthermalinsulationstartschec
3、kingsystem,issuedbythethermalinsulationconstructionbeforeyoustarttonotice,transferinspectionofupperandloweroperationandtransferofrecords.Foroutdooroperation,pipelineequipmenttoeffectivelycarryouttheinsulationwaterproofmeasuresfailtoinstallprotectivepanelsinpartwiththre
4、etarpaulincover,topreventinsulationfrommoisture.InsulationseamMichaelJackson5mm,joints,joints>100mm,insulationthicknesstolerance(+10MM~–5mm),appropriatematerialelasticbanding,spacingaccordingtothedesignrequirements,rigidinsulationsoftmaterialsforconstructionjointstight
5、;Andlarge-diameterverticalpipeforhightemperaturepipelineinstrictaccordancewithdesigndrawingscalledfortheestablishmentofexpansionjointsandholdingbracket;Designrequirementsintoaremovabletypeofinsulation,instrictaccordancewithspecificationsdisconnectfromtheotherinsulation
6、;Surfaceinsulationboardsinthetechnologyofplasteringconstructionofwovenclothtopreventpollutionandprotectivepanelsflushwiththesurfaceinterface,tightandclean.Sitemeasurementofinsulationboardsforelbowshapecutting,ensurethateachpieceoflappedtraffic,arctransitionofnatural,be
7、autiful,screwsup.Stampedeoutsideconstructionpersonnelisstrictlyprohibitedandshelveobjectsdirectlyontheoutershield.Inordertopreventthepollution-proneheater,channelareaofsecondarypollutionoflarge-diameterpipesandotherequipment,weavingcloth,anderectionoftheseparationplatf
8、ormforpreservation.Thermalinsulationconstruction,on-hooktackweldedtotheconsolidatedline,toensureevenlyspaced,andtheho
