地下管道施工方案晟碟.docx
- 文档编号:6859582
- 上传时间:2023-01-11
- 格式:DOCX
- 页数:15
- 大小:73.89KB
地下管道施工方案晟碟.docx
《地下管道施工方案晟碟.docx》由会员分享,可在线阅读,更多相关《地下管道施工方案晟碟.docx(15页珍藏版)》请在冰豆网上搜索。
地下管道施工方案晟碟
Content目录
1.CONTENT目录..................................1
2.GENERAL工程概况................................2
3.SPECIALITY工程特点..............................2
4.CODE执行标准....................................3
5.PIPINGINSTALLATION管道施工....................5
6.MATERIALTEST材料检验..........................7
7.PIPEINSTALLATION管道敷设.....................12
8.PIPESWEEPINGANDCLEAN管道的吹扫与清洗......12
9.WATERPRESSURETEST管道的水压试验...........14
10.PIPETRENCHBACKFILLING管沟回填.............14
11.FINISHPRODUCTPROTECTION成品保护..........14
12.LABORANDMACHINEPLAN人力及机具计划.......15
13.CIVILANDSAFETYWORKPLAN文明施工及安全计划.16
14.QUALITYSTANDARD质量标准.....................17
UndergroundPipingInstallationPlan
地下管道施工方案
1.General工程概况
SANDISKCVIPFACTORYPROJECTundergroundpipinginstallationlocateatthenumber555ofjiangchuanroad,minhangDistrictShanghaiCity.Thisplanappliesfortheinteriorundergroundpipingandexteriorundergroundpiping.Theinteriorundergroundpipinginclude:
Industrial,domesticwatersupply,industrialwastewaterdrainage,domesticsewagedrainage,stormwaterdrainage;mainpipingmaterialisPVC-Udrainpipe,Galy,pipe.Theexteriorundergroundpipingincludeindustrial,domesticwatersupplysystem,industrialwastewaterdrainage,stormwaterdrainage,domesticsewagedrainagesystem,totally2500m;watersupplypipeisgraphiteironpipe,stormwater,domesticsewageisPVC-Upipe,industrialwastewaterisUPVCpipe.
晟碟半导体(上海)有限公司新建厂房工程地下管网工程,位于上海市闵行区江川路555号,本方案适用于室内底板下管网及室外地下管网两部分。
室内底板下管道包括:
生产、生活给水管网、生产废水管、生活污水、雨水排水管网,主要管材为PVC-U排水管、镀锌钢管;室外部分为地下生产、生活给水管网,雨水、生活污水、工业废水管网,总长约为2500m;给水管采用离心球墨铸铁管,雨水、生活污水采用加筋PVC-U排水管,工业废水采用UPVC管
2.Speciality工程特点
Thisisnewexpansionproject,payattentiontosafety.
本工程为新建项目,施工时要注意安全.
3.Code执行标准
a.SHANGHAIELECTRONICENGINEERINGDESIGN&RESEARCHINSTTTUTECOV.LTDdesign
上海电子工程设计研究院有限公司设计图纸
b.GB50242-2002CodeforQualityAcceptanceofWaterSupply&Drainageand.heatingconstruction.
GB50242-2002建筑给排水及采暖施工质量验收规范
c.GBJ141-90CodeforWaterSupply&DrainageBuildingConstructionandacceptance
GBJ141-90给水排水构筑物施工及验收规范
c.GB50268-97CodeforWaterSupply&DrainagePipingConstructionandAcceptance
GB50268-97给水排水管道工程施工及验收规范
e.GB50303-2002CodeforQualityAcceptanceofBuildingElectricityEngineeringConstruction
GB50303-2002建筑电气工程施工质量验收规范
4.Pipinginstallation管道施工
(1)Layout测量放线
Proceedthesurveyandorientationaccordingtothedesigndrawingandbenchmark,whenitconflictwithdesigndrawing,settleddownbyM+Wcoordination.RecheckthefirstsurveypointsuppliedbyM+Wtoconfirm,obtaintheexcavationpermitfromM+Wpriortocommencement.
根据图纸对施工坐标点进行测量定位,当与设计图纸不符时,协同M+W公司共同解决。
对M+W提供的第一个测量点应反复核实,确定其正确性,开挖前报M+W确认许可后,方可开始施工
(2)Excavationofpipetrench管沟开挖
Theexcavationofpipetrenchwillbebybackhoemainlyandassistwithlabors
管道开挖,采用机械开挖为主,人工开挖为辅。
Duringbackhoeexcavation,takereverseexcavationmeasure
机械开挖过程中,采用反铲进行开挖,开挖采用倒挖法进行管沟开挖。
Forthepipetrenchexcavation,installsupportsystemornotconsideringtheearthcondition,stillwhenthedepthexceeds1.4mmusthaveslope.Theexcavatedearthstockingatleast1.4mfarawayfromthepipetrenchtoavoidearthcollapse.
管沟开挖时,应根据土质进行考虑放坡与是否打支撑,但管沟深度超过1.4m必须放坡施工,管沟开挖的土,必须堆放于距离管沟不小于1.4m,以免造成管沟塌方。
Duringpipetrenchexcavating,monitoringtheelevationatanytime,thebackhoeexcavatingtoalittlehigherlevelofdesignedlevel.
管沟开挖时,标高控制应采用随开挖,随测量,机械开挖到设计要求标高左右
Ifundergroundwaterimmergedthandrainedbyopentrench,theopentrenchshould100mmlowerthanpipetrenchbottomandslopetowatercollectionpit.Setonewatercollectionpitevery30m,pumpoutthewaterintimetoensurenowaterstandinginpipetrenchandassignwatchingmantocheckthecrackandwaterpermeatecondition.Takeappropriatemeasurestoavoiddangerous.
管沟开挖时,如有地下水采用明沟排水,明沟应比管沟底低100mm并坡向集水坑,在每30m设一个集水坑,利用潜水泵抽水保证管沟内无水,并专人检查沟边是否有裂纹及渗水情况,如有应采取措施以防止发生危险确保施工安全.
Duringpipetrenchexcavation,setobvioussignstoavoidincident
管沟开挖过程中,应设置标志防止人员发生意外。
Assistbylabortodig100mmandlevelthebottom,pavesandcushion
利用人工随机清底,挖土下挖100mm,并做沙垫层基础。
(3)Workfacewidth工作面宽度
Theexcavatewidthofpipetrenchbottomshallbecalculatebytheunderformula:
管道沟槽底部的开挖宽度,以下式计算:
B=D1+2b1B:
excavatewidth(mm)ofpipetrenchbottom;D1:
theexteriorwidthmmofpipingstructure;b1workfacewidthofpipeside.
B=D1+2b1其中:
B:
管道沟槽底部的开挖宽度(mm);D1:
管道结构的外缘宽度(mm);b1管道一侧的工作宽度
Workfacewidthofpipeside管道一侧的工作面宽度b1(mm)
Exteriorwidthmmofpipingstructure管道结构的外缘宽度D1
Workfacewidthofpipeside管道一侧的工作面宽度b1
Non-metalpiping非金属管道
Metalpiping金属管道
D〈=1000
300
200
5.Materialtest材料报验
Watersupplypipeuseductileironpipe,socketconnectbyrubberring;
给水管采用给水用球墨铸铁管,橡胶圈承插连接;
BuildingoftheFactory1andthecub1drainagewaterpipeusePVC-Uwatersupplypipe,adhesiveconnection:
BuildingoftheFactory1andthecub1drainagepipeuseHDPEpipeinlet,socketconnectbyrubberring,buildingoftheCUB1tocooldownpooldrainageuseHotDipGalv.Steelpipe,anti-corrosionbytwoclothandthreelayersasphalt.
生产1和动力1建筑内划片废水管采用PVC-U给水管,粘接;生产1和动力1建筑室外划片排水管采用HDPE双壁波纹管,橡胶圈承插连接;CUB1建筑到降温池采用热镀锌钢管,做两布三油防腐。
Exteriorstormwater,sewagedrainageuseU-PVCpipe,socketconnectbyrubberring;
室外雨水、生活污水管道采用U-PVC加筋承插式排水管,橡胶圈连接;
Checkthetype,standard,materialandquantityandapparentviewofallpipe,pipefittings,valveetc.accordingtodesignpriortoinstallation,thecheckcontentasfollows:
所有管道、管件、阀门等材料在安装前按设计要求核对其规格、型号、材质及数量并进行外观检查,检查内容如下:
Checkwhetherthereisdamage,crackofgraphiteironpipe,thepipeopeningsizeintheallowedscope,thebitumencoatingfinished,theinnerlinedcementloosed,therubberringcompleteandsmooth.
检查球墨铸铁管有无损坏、裂缝,管口尺寸是否在允许范围,外涂沥青漆是否完成,内衬水泥是否脱落;橡胶圈应形体完整、表面光滑;
ApparentviewofReinforcePVC-U,HDPE,PVC-Udrainagepipepriortoinstallation,theinnerwallofpipe,pipefittingsshouldbesmooth,levelwithoutbubbles,crack,delaminationordistinctmark,depressedcondition.Thepipecannotwithdifferentdirectionbending,itsstraightdeviationshalllessthan1%.Thepipeendshouldbelevelandverticaltogridline
加筋PVC-U管,HDPE管,PVC-U排水管在安装前要进行外观检查,管材与管件内外壁应光滑、平整无气泡裂口、裂纹、脱皮和严重的冷斑及明显的痕蚊、凹陷,管材轴向不得有异向弯曲,其直线度偏差应小于1%,管材端口必须平整,并垂直与轴线。
Steelpipesurfaceshouldwithnocrack,shrinkagehole,slag,delaminationetc.defects,thecorrosionnotexceedtheminusdeviationofwallthickness,thesteelpipeandwailthicknessinthedeviationallowance.
钢管表面应无裂纹、缩孔、夹渣、重皮等缺陷,锈浊不超过壁厚负偏差,钢管及壁厚在允许的偏差范围内。
Valvesmustaccompanywithex-factoryqualifiedcertificate,checktheapparentcheckpriortoinstallation.Thevalvesealfaceshouldbeperfect,andsomeneedwatertest.
阀门等在出厂前必须有合格证明,安装前要进行外观检查,阀门密封面完好无损,部分阀门须做水压试验;
Theweldmaterial(electrode,weldingwire),airchemicalconstitution,mechanicalpropertyshouldmatchwiththemothermaterialandcomplywiththeweldingcraftsmanship.
管道焊接采用的焊材(焊条、焊丝)及气体的化学成分、机械性能须与母材匹配并兼顾满足焊接工艺的要求。
6.Pipeinstallation管道敷设
6.1InstallSequence施工顺序
(1)Interiorpiping室内管道:
Factory1(productionbuilding1)(生产厂房1):
Trenchexcavation---Cushionconcrete---Rebar---LayPipe---PipeTest---Pourconcrete
沟槽开挖→垫层混凝土→钢筋绑扎→下管→管道试验→浇注混凝土
Otherbuildings其他建筑:
Trenchexcavation---Sandcushion---Laypipe---Firstbackfilling---PipeTest---Trenchbackfilling
管沟开挖→垫层沙→下管→第一次回填→管道试验→管沟回填
(2)Exteriorpiping室外管道
Theexteriorpipinginstallsequenceshallaccordingtoburydepth,deeperpriortoshallowprinciple.
室外管道施工顺序应按管道埋设深度,先深后浅原则。
Drainagepiping排水管道:
Trenchexcavation---sandcushion---Laypipe---Firstbackfilling---Pipetest---Trenchbackfilling---Flush
管沟开挖→沙垫层→下管→第一次回填→管道试验→管沟回填→冲洗
Watersupplypiping给水管道:
Trenchexcavation---Concretecover---Laypipe---Firstbackfilling---Pressure,refinedtest---Trenchbackfilling---Flush
管沟开挖→垫块→下管→第一次回填→压力、严密性试验→管沟回填→冲洗
6.2Installkey安装要点:
6.2.1Installkeyofgraphiteironpipe,exteriordrainpipe球墨铸铁管、室外排水管道安装要点
(1)Installsequence安装程序:
Laypipe---Cleanpipeopening---Cleanrubberring,installrubberring---Installmachineequipment---Paintlubricantonsocketsurfaceandrubberring---Pushpipeintosocket---Check
下管→清理管口→清理胶圈、上胶圈→安装机具设备→在插口外表面和胶圈上刷润滑剂→顶推管子使之插入承口→检查
(2)Preparationpriortoinstallation安装前准备
Removethestiranddustatpipeopening.
将管口的毛刺和杂物清除干净;
Checkthematchconditionandworkconditionoftools。
检查安装机具是否配套齐全,工作状态是否良好
(3)Installkey安装要点:
Laypipe:
accordingtothetechnicalrequirementlaythethepipetothetrenchbottom,accordingtothesignsifthereisonpipebody.
下管应按下管技术要求将管子下到沟底,如管体有向上放的标志,应按标志摆放管子;
Cleanpipeopening:
removethedebrisatsocketandcleanup,fortheadhesivearticlesmaycausewaterleakage.
清理管口将承口内的所有杂物予以清除,并擦干净,因为任何附着物都可能造成接口漏水;
Cleanrubberring,installrubberring:
Cleanuptheadhesivearticlesonrubberring;bendtherubberasheartshapeorflowershape(bigdiameter),theninsertinsocketchannelandacirclepressurebyhandtoensuretherubberringinposition,pushedintochanneluniformly.
清理胶圈、上胶圈将胶圈上的粘结物清查干净;把胶圈弯成心型或花型(大口径)装入承口槽内,并用手沿整个胶圈按压一遍,确保胶圈各个部分不翘不扭,均匀一致的卡在槽内;
MachinesandTools:
Usejinchainhoistorwiregripputthemachinesandtoolsinposition,takecareofpollutiontothecleanedpipe.
安装机具设备可采用手拉葫芦或紧线器,将准备好的机具设备安装到位,安装时注意不要将已清理的管子部位再次污染;
Paintthelubricateagentonsocketsurfaceandrubberring:
thelubricateagentissuppliedbymanufacturer,orusesoapwaterpaveontheinnersideofrubberringuniformly.Tackcareofthebrokenareawhenpaintthelubricateagenttothesockettop.
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 地下管道 施工 方案