厂区给排水管网施工方案 （中英文）.docx

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1、厂区给排水管网施工方案（中英文）目录CONTENT1编制依据Reference12 工程概况及工程量EngineeringBriefandQuantity22.1 工程概况EngineeringBrief22.2 主要工程量23 施工前准备及作业进度Preparationandprogressofoperationbeforeconstruction53.1 技术准备Technicalpreparation53.2 作业人员准备Preparationofoperatingpersonnel63.3 主要施工机械及工器具准备Preparationofmainconstructionmachine

2、andinstrument.73.4 4作业材料及半成品要求OPERATINGMATERIALSANDREQUIREMENTOFSEMI-FINISHEDPRODUCT.84 .施工方法及主要技术措施Constructionmethodandmaintechnicalmeasures941施工工艺流程94.1 土方开挖Earthworkexcavation94.2 管道安装Pipinginstallation104.3 排水检查井的施工要求13Drainageinspectionwellsconstructionrequirements134.4 管道水压试验Pipelinehydrostat

3、icpressuretest144.5 管道回填Pipelinebackfill145 作业质量要求QUALIFIEDREQUIREMENT155.1 质量要求及质量保证措施Qualityrequirementandmeasures156安全要求和措施SAFEMEASURES157.文明施工CIVILIZEDCONSTRUCTION171编制依据Reference1.1 生活给水管道施工图纸(F09151S-S0501)WaterSupplyPipelineConstructionDrawingGO915IS-SO501)1.2 雨排水管道施工图纸(F09151S-S0503)RainDrai

4、nagePipelineConstructionDrawingfF09151S-S0503)1.3 服务水管道施工图纸(F09151S-S0502)CoalMineWaterSprayPipelineConstructionDrawingfF09151S-S0502)1.4消防水管道施工图纸(F09151S-S0803)FirefighterPipelineConstructionDrawing(Fl0221SS1302)1.5 深井水管道施工图纸(F10221S-S0405)WaterSupplyPipelineConstructionDrawing(FlO221SS0405)1.6 事故排

5、油管道施工图纸(F10221S-S0405)2 工程概况及工程量EngineeringBriefandQuantity3 .1工程概况EngineeringBrief工程名称：孟加拉国KHULNA330MW(200-300MW)联合循环(双燃料)电站项目循环水管道安装工程；建设单位为BangladeshPowerDevelopmentBoard(BPDB)；电厂额定容量：单循环：233MW(燃气)，220MW(燃油)；联合循环：357MW(燃气),336MW(燃油)。总承包方为江苏永鼎泰富工程有限公司，设计单位为浙江省电力设计院，中国能建东北电力第三工程有限公司负责承建。Projectname

6、:BangladeshKHULN330MW(200300MW)combinedcycle(dualfuel)powerplantcirculatingwaterpipelineinstallationproject;constructionunitisBangladeshPowerDevelopmentBoard(BPDB);ratedcapacityofthepowerplant:singlecycle:233MW(gas),220MW(Fuel);combinedcycle:357MW(gas),336MW(fuel).ThegeneralcontractorisJiangsuYongdi

7、ngTaifuEngineeringCo.,Ltd.,thedesignunitisZhejiangElectricPowerDesignInstitute,andChinaNengjianNortheastPowerThirdEngineeringCo.,Ltd.isresponsiblefortheconstruction.2.2主要工程量(已到图纸工程量)Mainquantities(workamountofexistingdrawing)2.2.1雨排水管道工程量Quantitiesofdrainagepipeline高密度聚乙烯缠绕增强管DN1200高密度聚乙烯缠绕增强管DNllOO

8、122米100米高密度聚乙烯缠绕增强管DN900270米高密度聚乙烯缠绕增强管DN70070米高密度聚乙烯缠绕增强管DN600135米高密度聚乙烯缠绕增强管DN500195米高密度聚乙烯缠绕增强管DN400255米高密度聚乙烯缠绕增强管DN300350米UPVC加筋排水管DN225540米UPVC力口筋排水管DN150170米圆形检查井中IOOO40座圆形检查井中12509座圆形检查井中150012座矩形检查井口1400*l1004座矩形检查井口1500*11004座雨水口680X380118座矩形检查井2200*22002座Highdensitypolyethylenewindingrein

9、forcedtubeDN1200122metersHighdensitypolyethylenewoundreinforcedpipeDNllOO100metersHighdensitypolyethylenewoundreinforcedpipeDN900270metersHighdensitypolyethylenewoundreinforcedtubeDN70070metersHighdensitypolyethylenewoundreinforcedtubeDN600135metersHighdensitypolyethylenewoundreinforcedtubeDN500195m

10、etersHighdensitypolyethylenewoundreinforcedtubeDN400255metersHighdensitypolyethylenewoundreinforcedtubeDN300350metersUPVCreinforceddrainDN225540metersUPVCreinforceddrainDN150170metersRoundinspectionWells401000roundinspectionshaft91250150012roundinspectionWellsrectangular1400*HOOfourinspectionwell4re

11、ctangularinspectionWells1500*11002rectangularinspectionWells2200*22002Rainwateroutlet680380118seats2.2.2消防管道工程量Quantitiesoffirepipeline钢丝网骨架聚乙烯复合管De315X131140米钢丝网骨架聚乙烯复合管De225X10275米钢丝网骨架聚乙烯复合管Del60X9355米钢丝网骨架聚乙烯复合管DellOX7120米衬胶消防弹性座封闸阀DN3006台衬胶消防弹性座封闸阀DN2004台衬胶消防弹性座封闸阀DNl5025台室外消火栓DNl5024套Steelmesh

12、skeletonpolyethylenecompositepipeDE315131140metersSteelmeshskeletonpolyethylenecompositepipeDE22510275metersSteelmeshskeletonpolyethylenecompositepipeDE1609355metersSteelmeshskeletonpolyethylenecompositepipeDEl107120metersRubber1InedfireprotectionelasticseatsealinggatevalveDN3006Gel-IInedfireprotect

13、ionelasticseatsealinggatevalveDN2004setsRubberlinedfireprotectionelasticseatsealinggatevalveDN15025setsOutdoorfirehydrantDN15024sets2.2.3生活给水管道工程量Quantitiesofdomesticwaterpipeline给水用聚乙烯管材Del10*6.6435米给水用聚乙烯管材De63*4.7125米弹性座密封闸阀DNlO0,PNLO2套RVHXDN100,PNl.02unit弹性座密封闸阀DN50,PNl.0RVHXDN50,PNLO1unitsPolye

14、thylenepipeforwatersupplyDEl10*6.6435mPolyethylenepipeforwatersupplyDE63*4.7125mElasticseatsealinggatevalveDN100,PNl.02setsRVHXDN100,PNLO2unitElasticseatsealinggatevalveDN50,PNl.01setsRVHXDN50,PNl.01units2.2.4服务水管道工程量Quantitiesofcoalyardsprayingwaterpipeline给水用聚乙烯管材De500*29.7293米给水用聚乙烯管材De160*9. 523

15、0米给水用聚乙烯管材Del10*6. 6255米给水用聚乙烯管材De63*4.7145米PolyethylenepipeforwatersupplyDE500*29. 7 293 mPolyethylenepipeforwatersupplyDE160*9.5 230 metersPolyethylenePipeforwatersupplyDEllO* 6.6255mPolyethylenepipeforwatersupplyDE63* 4.7145 m2.2.5深井水管道工程量Quantitiesofcoalyardsprayingwaterpipeline给水用聚乙烯管材Del40*8.3

16、1180米Polyethylenepipe for water supply DE140 *8. 31180m2 .2. 6 事故排油管道工程量 Quantities of coal yard spraying water pipeline球墨铸铁管DN400160米 Ductile iron pipe DN400 160 meters球墨铸铁管DN30050米 DUCtile iron pipe DN300 50 meters球墨铸铁管DNloo55米 DUCtiIe iron pipe DNlOO 55 meters3 施工前准备及作业进度Preparation and progress

17、of operationbeforeconstruction3.1技术准备 Technical preparation组织施工技术人员和主要施工人员审核图纸，会同甲方、监理单位及设计单位进行图纸会审。制定施工方案；提出施工材料计划；做好开工前的技术培训和技术交底工作。Organizeconstruction technician and main construction workers to review drawings and joint hearing with contractor consultant and design institute. Make construction

18、plan, putforwardplan of construction material, make good preparation of technical training and technicaldisclosure.32作业人员准备Preparationofoperatingpersonnel3.2.1人力准备Preparationofmenpower水暖工（当地临时工）3060人焊工（当地临时工）510人Plumberdocalpeople)30-60Welder(localpeople)5-10组长（中国工人）10人班队长2人Groupleader(Chinesepeople

19、)10Classcaptain2测量人员1人技术员1人Surveyor1Technician1管理人员2人dminiStrativestaff23.2.2作业人员要求Therequirementofoperatingpersonnel3.2.2.1施工人员进厂，首先要进行安全意识教育，文明施工的标准化教育，质量创精品意识教育。提高施工人员的思想意识，做到人人心中有目标，事事有标准，产品有实物比较。Beforeworkersgoingtosite,theyshallstudysenseofsafety,standardeducationofcivilizedconstruction,senseo

20、fexcellencewithqualitytoimprovetheideologyofconstructionworkers,everyonehaveagoalinmindandstandardineachwork,comparingproductswithrealobject.Specialoperationspersonnelshallneedprofessionaltrainingandtheyneedpasstheexaminationbeforeconstruction.Operationspersonnelshallworkaccordingtodrawings,theycann

21、otalterdrawingatrandom.3.2.2.2特殊作业人员需经过专业培训，并且考试合格后，方可施工。3.2.2.3施工人员应严格按照施工图纸施工，不得随意更改图纸内容。3.2.2.4管道安装施工前,要求管沟土方施工完，施工技术准备完。Beforepipelayingconstruction,earthworkofpipedrainandtechnicianpreparationshallbefinished.3.2.2.5班长要清楚本班所承担的施工项目施工顺序、施工方法、施工工艺要求，施工人员主要掌握施工方法、施工工艺。Foremanshallhaveagoodideaofcon

22、structionsequence、constructionmethodtechnologicalrequirementsofconstructionproject,constructorsshallmainlyknowwellaboutconstructionmethodtechnologicalrequirements.3.2.2.6参加施工人员进入施工现场，必须戴好安全帽，严禁酒后进入施工现场作业。Constructorsshallwearsafetyhelmetbeforegoingtosite,itisforbiddentogotositeafterdrinking.3.2.2.7施

23、工人员不得在施工现场随意乱串，不得乱动本专业以外的机械、设备。Constructorscannotwalkaroundatwillandalsocannottouchmachineorequipmentexcepttheirown.3.2.2.8施工人员不得在沟底休息或停留，若在沟底进行施工作业时，沟顶必须设监护人员。Constructorscannotrestorstayatthebottomoftrench,whenconstructionatthebottomoftrench,thereshallbeaguardian.3.2.2.9所有施工人员施工前必须参加施工技术交底并签字。Allc

24、onstructorsshalljointhetechniciandisclosureandsignbeforeconstruction.3.3主要施工机械及工器具准备Preparationofmainconstructionmachineandinstrument逆变电焊机610台试压泵（DN50）1台Inverterwelder6-10piecesHydraulictestpump1-piece水准仪1台钢盘尺50米2把Level1pieceSteeltape(50m)2pieces火焊工具48套污水泵DNlOO2台Fireweldingtools4-8setsSewagepumpDN10

25、02pieces污水泵DN504台压力表Ioo4块SewagepumpDN504piecesPressuremeterIOo4pieces角向61006-10台角向M502台Angular1006-10piecesAngular1502pieces无齿锯1-2台千斤顶10-20吨24台Toothlesssaw1-2piecesJack10-20ton2-4pieces手拉葫芦（2吨）4-6台手拉葫芦（3吨）24台Chainblock(2ton)4-6piecesChainblock(3ton)2-4pieces铁锯2把压力表24块Steelsaw2piecesPressuremeter24pi

26、eces电锤1台大锤2把Electrichammer1piecesmallet2pieces手锤1kg10把水平尺500mm5把HammerIkg10Spiritlevel500mm5活扳手124把管钳子144把Adjustablespanner12zz4Boxspanner14”4压力钳（4号）1台铁锹1020把Pressureclamp(4)1Spade10-20镐10把四轮车1辆Pickaxe10Four-wheeler1吊车8吨1台载重汽车6吨1-2辆Crane8ton1Cargotruck6ton1-2汽车吊25吨1台载重汽车10吨1-2辆Truckcrane25ton1Cargot

27、ruckIOton1-2挖沟机1-3台土方运输车2-8辆Trencher1-3Earthworkcarrier2-8铲车1台Forklift13.4作业材料及半成品要求OPeratingmaterialsandrequirementofsemi-finishedproduct3.4.1各种管材应符合设计要求，并有合格证书。Eachkindofpipeshallcomplywiththedesignrequirementandalsohavecertificateofqualification.3.4.2作业材料、设备等必须及时到货，不得使用有损坏痕迹的材料。Operatingmaterials

28、andequipmentmustbedeliveredintime,whichcannotbeusedwithdamages.3.4.3管沟位置必须正确，尺寸、坡度、标高符合设计要求。Locationofpipeditchshallbeaccurate,sizegradientselevationshallcomplywiththedesignrequirement.3. 4.4施工材料要摆放整齐，做好防火防雨措施。施工材料、半成品、成品的标识要清晰。Materialofconstructionshallbeplacedinorderandalsoprotectedagainstrainand

29、fire.Identificationofmaterialsemi-finishedproductfinishedproductshallbeclear.4.施工方法及主要技术措施Constructionmethodandmaintechnicalmeasures4.1 施工工艺流程：Constructiontechnologyprocess安装准备f土方开挖一垫层施工一管道安装T土方回填f验收Installationpreparationearthworkexcavationcushionconstruction-pipelineinstallation-earthworkbackfill-

30、acceptance4. 2土方开挖Earthworkexcavation4.2. 1根据设计要求采用挖掘机开挖，自卸汽车配合。由测量进行定位放线，给出开挖边线，控制坡度及沟底标高。边坡坡度为1：0.75,工作面预留1米，管底标高一次到位，人工进行清理整平。4. 2.1Accordingtothedesignrequirements,excavatorsshallbeusedtoexcavatewiththecooperationofdumptrucks.Basedonthesurvey,theexcavationedgelineisgiven,andtheslopeandtrenchbott

31、omelevationarecontrolled.Theslopeslopeis1:0.75,theworkingfaceisreserved1meter,thebottomelevationofthepipeisinplaceatonetime,andmanualcleaningandlevelingarecarriedout4.2.2土方开挖防护措施4. 2.2Protectionmeasuresforearthworkexcavation4. 2.2.1机械挖方时，不得影响其它建筑物及其他设施的安全。挖方前必须掌握地下原有建筑物及新建设施。4.1.1.1 Themechanicalexc

32、avationshallnotaffectthesafetyofotherbuildingsandotherfacilities.Undergroundexistingbuildingsandnewfacilitiesmustbemasteredbeforeexcavation.4.2.2.2土方开挖时保留20CM土应用人工清槽,不得超挖,如若超挖应进行地基处理.处理方法采用人工分层分段进行夯实。Whileexcavation,itshallbe20cmsoilreservedtobecleanedbypeople,notexceeded.ifexceeded,itshallbefoundat

33、iontreatment,itshalladoptsubsectionandlayercompactionmathod.4.2.2.3由于开挖段的土质为回填士,所以开挖时根据施工现场实际情况可增大边坡坡度系数,必要时可做临时支撑，以免土方坍塌。Becausethesoilofexcavationisbackfilledsoil,itmaybeincreasethecoefficientofsideslopegradeaccordingtothesituation,ifnecessary,temporarysupportisneededtoavoidearthworkfalling.4.2.2.

34、4.方开挖面如果为回填士,为了防止挖方时土方坍塌，根据施工现场实际情况制定防护措施.如遇到软土或其他不稳定土层时,采用撑板支撑,开始支撑的开挖沟槽深度不得超过1.O米；以后开挖与支撑交替进行,每次交替的深度宜为040.8米。Ifthesurfaceofexcavationisbackfilledsoil,itshallbesomeprotectionmethodtoavoidearthworkfallingdownaccordingtothesituation.Forexample,iftherearesomesoftsoilorotherunstablesoil,itshallusesupp

35、ortingplatetohold,thedepthofexcavationditchshallnotexceedImatfirst,andthenexcavationandsupportingshallbeconductedalternatively,thedepthofeachIatemateshallbe0.4-0.8m.4.2.2.5开挖土方时,分层分段地进行,堆土高度不宜超过1.5米,且距槽口边缘不宜小于1米。Excavationshallbedonebysubsectionandlayer,theheightofpilesolidshallnotexceed1.5m,andalso

36、thedistancebetweenthepilesolidandnotchshallbeatleastlm.4.2.2.6当有地下水出现时，及时挖掘排水坑,用潜水泵将水排到沟槽外，即排即挖,槽底标高达到设计要求后,将沟槽底淤泥清除干净，回填砂夯实,打砂土垫层。Whileundergroundwaterarise,workersshallexcavatedrainageditch,usingsubmersiblepumptodrainawaywateroutsidegroovesametimewithexcavation,aftertheelevationofbottomoftankreach

37、edtherequirements,workersshallcleanmudandbackfillsandcompaction,casttheoillayer.4. 3管道安装Pipinginstallation4.1.1 雨污水管道安装：Stormwatersewerinstallation:4.1.1.1 自流雨污水管道Artesianstormsewerline管径2DN300-高密度聚乙烯缠绕增强管承插口快速电熔连接管径WDN225-UPVC排水管，橡胶圈承插连接DiameterDN300-Highdensitypolyethylenewoundreinforcedpipesocket

38、quickelectricfusionconnectionDiameterDN225-UPVCdrainpipe,rubberringsocketconnection4.3.L2钢制管道Steelpipe钢制管道管径分别为DN600DN250不锈钢管，316L材质采用焊接连接方式ThesteelpipediameterisDN600,DN250stainlesssteelpipe,316Lmaterialusingweldingconnection4.3.1.3 雨水检查井均采用砖砌结构；污水检查并采用钢筋混凝土结构，所有检查井井盖采用球墨铸铁重型井盖。Therainwaterinspecti

39、onshaftadoptsbrickstructure;Sewageinspectionshaftadoptsreinforcedconcretestructure,allinspectionshaftcoveradoptsductileironheavydutymanholecover.4.3.1.4 雨污水检查井、阀门井、水封井详细做法见图F09151S-S5507图；渗井、化粪池做法详见F09151S-S5504图。SeeFigureF09151S-S5504fordetailedpracticesofrainwaterandsewageinspectionWells,valveWell

40、sandwatersealingWells;SeeFigureF09151S-S5504fordetailsonmethodsofseepagewellandseptictank.4.3.1.5 埋地钢管外壁采用加强级环氧沥青防腐，干膜厚度20.7mm。Theouterwallofburiedsteelpipeisanticorrosivewithreinforcedepoxyasphalt,andthedryfilmthicknessis20.7mm4.3.2事故排油管道安装：Installationofemergencyoildrainagepipeline:432.1事故排油管道采用橡胶

41、圈承插连接，管道标高指管内底标高Theaccidentoildischargepipelineisconnectedwithrubberringsocket,andtheelevationofthepipelinereferstotheelevationoftheinnerbottomofthepipe4.3.3 饮用水管道安装：Installationofdrinkingwaterpipeline:4.3.3.1 不锈钢管采用焊接连接，给水用聚乙烯管采用热熔连接；不锈钢管室外地上部分使用，埋地管道采用给水用聚乙烯管材，地上与埋地分界处采用法兰连接。Stainlesssteelpipewith

42、weldingconnection,watersupplypolyethylenepipewithhotmeltconnection;Thestainlesssteelpipeisusedfortheoutdoorabovegroundpart,andtheburiedpipeismadeofpolyethylenepipeforwatersupply,andtheboundarybetweenthegroundandtheburiedgroundisconnectedbyflange.4.3.3.2 地上外露聚乙烯管材采用防紫外线措施进行保护，保护方法：缠绕25mm厚玻璃棉，并外包一层镀锌铁

43、皮。Theexposedpolyethylenepipeonthegroundisprotectedbyultravioletprotectionmeasures.Theprotectionmethodis:wound25mmthickglasswoolandwrappedwithalayerofgalvanizedironsheet.433.3生活水管道工作压力0.5MPa,试验压力0.8MPaTheworkingpressureofdomesticwaterpipelineis0.5MPa,andthetestpressureis0.8MPa4.3.4 服务水管道安装：InStalIati

44、Onofservicewaterpiping:4.3.4.1 服务水管(SW1)化学水管(SW2)RO产水管(SW3)冷却塔补给水管(MW2)均采用给水用聚乙烯管材，连接方式为热熔连接Servicewaterpipe(SWl),chemicalwaterpipe(SW2)ROproductionwaterpipe(SW3)andcoolingtowersupplywaterpipe(MW2)areallmadeofpolyethylenepipeforwatersupply,andtheconnectionmodeishotmeltconnection4.3.4.2 管道压力试验：(1)服务水

45、管SWl：工作压力0.5MPa,试验压力0.8MPa化学水管SW2：工作压力0.5MPa,试验压力0.8MPaRO产水管SW3：工作压力0.3MPa,试验压力0.8MPa冷却塔补给水管MW2：工作压力0.15MPa,试验压力：0.8MPaPipepressuretest:(1) ServicewaterpipeSWl:workingpressure0.5MPa,testpressure0.8MPa(2) ChemicalwaterpipeSW2:workingpressure0.5Mpa,testpressure0.8Mpa(3) ROproductionpipeSW3:workingpres

46、sure0.3Mpa,testpressure0.8Mpa(4) CoolingtowersupplypipeMW2:workingpressure0.15Mpa,testpressure:0.8Mpa4.3.4.3 地上外露聚乙烯管材采用防紫外线措施进行保护，保护方法：缠绕25mm厚玻璃棉，并外包一层镀锌铁皮。Theexposedpolyethylenepipeonthegroundisprotectedbyultravioletprotectionmeasures.Theprotectionmethodis:wound25mmthickglasswoolandwrappedwithalayerofgalvanizedironsheet.4.3.51肖防水管道安装4.3.5Installationoffirewaterpipe4.3.5.1 地上采用内外热镀锌无缝钢管#20,焊接连接；埋地采用钢丝网骨架塑料复合管，电熔连接4.3.5.2 Thegroundadoptsinternalandexternalhot-dipgalvanizedseam