梅赛德斯奔驰亚洲再制造项目施工组织设计

梅赛德斯-奔驰亚洲再制造项目梅赛德斯-奔驰亚洲再制造项目施工组织设计

目录TOC\o"1-3"\h\u第一章编制综合说明ExplanationtoProposal ⑧收边Finishing屋面（含两篷）收边料搭接处须以钻拉钉固定及止水防水，屋脊盖板及檐口泛水（含天沟），须填塞PE封口条。Finishingjointsofroof(includingtwoawnings)shallbefastenedwithdrillinganddrawingnails.Waterstoppingandpreventionisalsonecessary.Waterflushingonridgecoveringboardsandeaves(includingcullis)shallbestoppedwithPEseals墙面板轧制及安装Rollingandinstallingwallboard墙面板轧制：墙面板在工厂加工好后运至现场。Thewallpanelistransportedtothesiteafterthefactoryhasbeenprocessed安装步骤：用墙面安装专用管架架设于墙面板安装位置，管架单面与墙面檩条分段固定，安装人员约每三档檩条一个就位于管架上，将压型钢板平放在平整干净的地面上，墙面板顶部打一Ф6mm吊板工艺孔，由地面人员将沿墙方向放置，由管架上部人员用绳向上拉，地面人员向上送，安放至安装位置，对准位置，然后用自攻螺丝固定，第二块板准确地搭接在第一块板上，并与第一块压紧再用自攻螺丝固定，随时检查压型板的平行度和垂直度，发现不垂直时，应及时调整。Installationsteps:specialpipeframeforwallsurfaceinstallationshouldbebuiltupontheinstallationposition,singlesideofpipeframeandwallsurfacepurlineshouldbefixedineachsection,installationstaffsandsontheframewiththespacingofaboutthreepurlinesandtheprofiledsteelplatesshouldbeplacedonflatandcleanground.AФ6mmfabricationholeofhangerplateshouldbedrilledonthetopofwallsurfaceplateandplacedalongthewalldirectionbygroundstaff,theplatewillbeliftedbystaffonframetopandsupportedbygroundstafftilltotheinstallationposition,afteraligningtheposition,theplateshouldbefixedwithself-tappingscrews;thesecondplateshouldaccuratelylappedonthefirstandfixedwithself-tappingscrewsaftertightlycompressingwiththefirstone.Theparallismandverticalityoftheprofiledplateshouldbecheckedatanytime,ifitisnotvertical,adjustmentshouldbeperformedtimely.竖向搭接：一般当压型板作墙面板时，长度足够覆盖整个墙面，无需进行竖向搭接，但有些特殊结构需要进行竖向搭接。压型钢板的竖向搭接方法与屋面板的纵向搭接相似，安装时上面的板搭接在外，下面的板搭在里面，搭接长度为150mm。Verticallap:ingeneral,whentheprofiledplateisusedaswallsurfaceboard,itslengthcouldcoverthewholewallsurfacesothatitisunnecessarytoperformverticallap.Byinstallation,theupperboardislappedoutsideandthelowerboardisinside,thelaplengthis150mm.泛水板及收边板的安装Flashingandtrimplatesinstallation泛水板和收边板的安装是整个围护系统安装的重要部分，直接影响整个工程的质量和效果，所以应该特别重视。Flashingandtrimplatesinstallationisanimportantpartinthewholeboundingsysteminstallation,whichcaninfluencequalityandeffectivenessoftheentireconstruction,thusspecialattentionshouldbeattached.纵向泛水板和盖板Longitudinalflashingandcoverplates纵向泛水板和盖板应在屋面板平底盘和波谷处有一向下弯的翻边，下弯的深度同钢板外形相应，泛水板安装好以后，一般与屋面板的波峰用自攻螺钉进行固定，纵向泛水板之间的搭接可参照纵向压型板的搭接形式，搭接长度为200mm，沿顺坡方向靠近坡顶的泛水板搭接在上面，在搭接处涂上密封胶。Longitudinalflashingandcoverplatesshouldcontaindownwardbendingrollflangingedgeonflatplateandwavethroughofroofboard,thedepthofdownwardbendingshouldcorrespondtotheshapeofsteelplate.Ingeneral,flashingplateshouldbefixedtowavepeakofroofplatebyself-tappingscrews,lapbetweenlongitudinalflashingplatescouldrefertolappingformoflongitudinalprofiledplates,with200mmlappinglength,andcouldbelappedontheflashingplatelapjointnearslopetopalongtheslopedirection,thelapjointshouldbesealedwithsealant.横向泛水板和盖板Transverseflashingandcoverplates用于屋面的横向泛水板和盖板，沿下方边线有一加工时的裂口，为保证防雨，可使切割裂口使其与波纹相配，也可稍作修改，使其嵌入沟槽之中，对小坡度屋面，最好将裂口切开贴紧波纹，带肋条钢板的横向泛水板和收边板，需要沿着低边缘处开槽或向下弯折，以便与钢板外形相配，这样可防止由风带来的水渗透到泛水板之下。Transverseflashingandcoverplatesforroofcontainabreachalonglowersideline,inordertoensurerain-proof,thecuttingbreachcouldbematchedwithrippleortrimmedalittletomakeitembedintogroove.Forroofwithlittleslope,itisbettertocutthebreachtocloseripple,transverseflashingandtrimplateswithribsteelplateshouldbegroovedordownwardbendedalonglowedgetomatchtheshapeofsteelplate,sothatwaterblownbywindcouldnotleakbelowtheflashingplate.横向泛水板的固定一般用自攻螺针固定在屋面板的波峰上，横向泛水板和泛水板之间的搭接长度为200mm，在搭接处应使用密封剂来密封，在搭接定位和固定前将上面一片翻转过来，在内面终端12mm处的整个宽度涂上3mm宽的连续的密封剂，并用拉铆将其固定。Transverseflashingplateshouldbecommonlyfixedonwavepeakofroofboardbyself-tappingscrews,lappinglengthbetweentransverseplateandflashingplateis200mm,thejointshouldbesealedbysealant,theupperplateshouldbeturnedoverbeforepositioningandfixingthelap,sealantwith3mmwidebrushingrangeshouldbeappliedon12mmofinnerfaceendwithoutinterruptionandtheinnerfaceendshouldbefixedwithblindrivets.检查验收Checkandacceptance用拉线和钢尺检查彩钢板的尺寸偏差，见下表：Dimensiondeviationofcolorsteelplateexaminedbypullingwireandsteelruler,seethefollowingtable:项目Item尺寸偏差DimensionDeviation(mm)波距WaveDistance±2.0波高WaveHeighth≤70mm±1.5h＞70mm±2.0侧向弯曲LateralBending在测量长度L1范围内withintherangeofmeasuringlengthL20.0注：h为彩板截面高度；L1为测量长度，系指板长扣除两端各0.5m后的实际长度（小于10m）或指扣除后任选的10m长度。Note:hisdepthofsectionofcolorsteelplate;L1ismeasuringlength,whichisthepracticallengthofplateafterdeducting0.5.ofeachend(lessthan10m)ortheoptionallengthof10mafterdeducting.(2)彩钢板制作的允许偏差和检验方法见下表：Examiningmethodandallowabledeviationofmanufacturingcolorsteelplate,seethefollowingtable:项目Item允许偏差AllowableDeviation（mm）检查方法InspectionMethod彩钢板的覆盖宽度Coverwidthofcolorsteelplateh≤70mm±8.0-2.0用钢尺检查Withsteelrulerh＞70mm+5.0-2.0板长Platelength±7.0横向剪切偏差Deviationoftransversecutting5.0泛水板尺寸Dimensionofflashingplate板长Platelength±5.0弯折面宽度Thicknessofbendsurface±2.0弯折面夹角Angleofbendsurface2˚用角尺检查Withanglesquare注：h为彩钢板截面高度Note:hisdepthofsectionofcolorsteelplate(3)彩钢板和连接件的品种、规格以及防水密封材料的性能符合设计要求和国家现行有关标准规定。Types,specificationsandwaterproofsealperformanceofcolorsteelplateandjointmembersshouldbeinaccordancewithdesignrequirementsandregulationsofnationalstandardsincurrenteffect.(4)彩钢板固定可靠、无松动，防腐涂料涂刷和防水密封材料敷设应完整，连接件数量、间距符合设计及国家有关规定要求。Colorsteelplateshouldbefixedandstablewithoutloose,anticorrosioncoatingsandwaterproofsealingmaterialcoatingsshouldbeintact,quantityandspacingofjointmembersshouldbeinaccordancewithrelevantnationalregulations.(5)彩钢板安装工程的允许偏差项目和检查方法见下表：Allowabledeviationandexaminingmethodofinstallationconstructionofcolorsteelplate,seethefollowingtable:项目Item允许偏差AllowableDeviation（mm）检查方法InspectionMethod屋面Roof檐口与屋脊的平行度Parallelismofcorniceandridge10.0用拉线和钢尺检查Withpullingwireandsteelruler彩钢板波纹对屋脊的垂直度VerticalityofrippleofcolorsteelplatetoridgeL/100020.0檐口相邻两块彩钢板端部错位Dislocationofbothendsoftwoadjacentcolorsteelplatesoncornice5.0彩钢板卷边板件最大波高Maxwaveheightofcurlingpanelofcolorsteelplate3.0墙面Wallsurface墙面板波纹线的垂直度VerticalityofwavemoldingofwallboardH/100020.0用吊线和钢尺检查withhangelineandsteelruler墙面包角板的垂直度VerticalityofwrapangleplateofwallsurfaceH/100020.0相邻两块彩钢板的下端错位Dislocationofbottomoftwoadjacentcolorsteelplates5.0用钢尺检查Withsteelruler注：L为屋面半坡度或单坡长度；H为墙面高度Note:Lishalf-slopeofrooforlengthofsingleslope;Hisheightofwallsurface.19、涂饰工程coatingwork19.1涂料饰面工程施工作业条件workcondition19.1.1涂料饰面工程应在抹灰工程、地面工程、木装饰工程、门窗工程、水、电气安装工程等全部完成后，并在清洁干净的环境下施工。Paintfinishesworkshouldbeafterplasteringworksprojects,decorativeworks,doorsandwindowswork,water,andelectricalinstallation,andsoon,anditshouldbedoneundercleanenvironment.19.1.2基体表面干燥，平整，干净无油污、无浮尘。混凝土或抹灰基层含水率不得大于10%，木材基层的含水率不得大于12%。Thesurfacemustbedry,smooth,oil-free,anddust-free.Andwatercontentofconcreteorplastershouldbelessthan10%,andthatofwoodmaterialshouldnotbemorethan12%.19.1.3晴天、无风、气温应在摄氏零上5~35℃之间。冬季应有采暖保温、防冻措施。Sunny,non-wind,andthetemperaturemustbebetween5~35℃.Andtakemeasureinwinterconstruction.19.1.4材料计划拟定，工具齐备，先期材料充足。Planoutmaterialpurchase,andthetoolandmaterialmustbesufficient.19.1.5设备调试政党完好，辅助工具已备。仓储地点落实。Afteradjustment,preparetheaccessorytools.Fixthelocationofwarehouse.19.1.6制度基本配置到位到岗。Thesystemmustbeperfect.19.1.7样板、设计要求已得到有关部门确认。Sample,designshouldbeqpprovedbyrelevantdepartment.19.1.8不涂饰部位已作好保护措施。Takeprotectionmeasureonthepositionthatthereisnoneedtocoating.19.2水性涂料饰面工程施工工艺要点keypoint:工艺流程：基层清理—嵌、批腻子—磨砂纸—封底涂料—饰面涂料（喷、滚、刷等）—完工保护—检验合格。Processflow:foundationclean-putty-paper-bottomsealingcoating-surfacecoating-protection-acceptance19.3溶剂型涂料饰面工程施工工艺要点Keypointsofconstructiontechnologyofsolventbasedcoatingfinish工艺流程：基体清理—嵌、批腻子—磨砂纸—刷底涂料—涂面层涂料等工艺过程。有的工序须往返几次重复。Processflow:foundationclean-putty-paper-bottomcoating-surfacecoating20、给排水施工技术方案watersupplyPP-Rpipeconstructiontechnicalproject20.1一般规定generalregulations20.1.1管道在安装施工前，应具备下列条件：Beforetheconstructionofthepipe,thefollowingessentialrequirementsshouldbesatisfied:施工图纸及其它技术文件齐全，且已进行图纸技术交底，满足施工要求；Constructionblueprintandothertechnicaldocumentsshouldbecomplete,andtheblueprinttechniquesshouldbefullyexposedtoeachotherandsatisfytherequirementsoftheconstruction.施工方案、施工技术、材料机具供应等能保证正常施工；Theconstructionproject,constructiontechnologyandadequatesupplyofthematerialsandmachinescanensurethenormalconstruction施工人员已通过PP-R管道安装的技术培训。PeopleinvolvedintheconstructionshouldpassthetechnicaltrainingofthePP-Rpipeinstallation.20.1.2提供的管材和管件应符合设计规定，并附有产品说明书和质量合格证书。Thematerialsuppliedshouldaccordwiththerequirementsinthedesign.Alsotheinstructionandqualificationcertificateshouldbeattached.20.1.3不得使用有损坏迹象的材料。如发现管道质量有异常，应在使用前进行复检。Thosematerialsthatshowdamagedsignsshouldnotbeused.Ifthepipequalityisfoundtobeabnormal,reexaminationshouldbeconductedbeforetheuse.20.1.4管道系统安装过程中的开口处应及时封堵，以免管道堵塞造成不必要的浪费。Theopeningthatleftaftertheinstallationofthepipesystemshouldbeblockedintime,orthepipeitselfmaybeblocked,thuscausesomeunessentialwaste.20.1.5施工安装时应复核冷、热水管压力等级和使用场合。管道标记应面向外侧，处于显眼位置。Duringtheconstruction,thecoldwaterandhotwaterpipe,thepressuredegreeandtheconditionwhenusingshouldbereexamined.Thepipesignshouldbeplacedfacingoutsideinalocationthatiseasytobeseen20.2管道敷设安装pipelayinginstallation20.2.1管道嵌墙暗敷时，宜配合土建预留凹槽，其尺寸设计无规定时，嵌墙暗管墙槽尺寸的深度为管径+20mm，宽度为管径+40-60mm。凹槽表面必须平整，不得有尖角等突出物，管道试压合格后，墙槽用M7.5级水泥砂浆填补密实，其表面砂浆（包括粉浆）的厚度不宜小于30mm，否则由于管道的热胀冷缩的因素，会造成墙面开裂，特别是热水管应严格掌握。Whenthepipeshouldbesetinthewall,someconcavitiesshouldbeleftbeforehandfortheconstruction.Ifthereisnoruleonthesizeoftheconcavity,thedepthshouldbeDe+20mmandthewidthshouldbeDe+40-60mm.Thesurfaceoftheconcavityshouldbesmoothwithoutanythingprotrudingout.Afterthepressuretestisuptothestandard,thecrackinthewallshouldbeblockedwithM7.5cementsandliquid.Theliquidonthesurfaceshouldbethickerthan30mm,orthewallmaycrackbecauseitwillexpandwithheatandcontractwithcold,andspecialattentionshouldbepaidtothehotwaterpipe.20.2.2管道安装时，不得有轴向扭曲，穿墙或穿楼板时，不宜强制校正。PP-R管与其它金属管道平行敷设时应有一定的保护距离，净距离不宜小于100mm，且PP-R管宜于在金属管道的内侧。Wheninstalling,nodeviationisallowedintheaxialdirection.Whenpenetratingthewallandfloor,itisbetternottoadjustitbyforce.WhenPP-Rpipeparallelswithothermetalpipes,somespaceshouldbereserved.Thenetdistanceshouldbenolessthan100mm,andthePP-Rpipeshouldbeplacedbehindthemetalpipe.20.2.3室内明装管道，宜在土建粉饰完毕后进行，安装前应配合土建正确预留空洞或预埋套管。Ifthepipeistobeplacedintheroom,itisbettertoinstallafterthewhitewash.Also,beforetheinstallationsomeholeshouldbereservedandsomecasingpipesshouldbeburiedbeforehand.20.2.4管道穿越楼板时，应设置钢套管，管套高出地面20mm，并有放水措施。管道传阅层面时，应采取严格的防水措施。传阅前端应固定支架，目的是防止管道变形，造成传阅管道与套管间松动，产生渗漏。Whenthepipeistopenetratethefloor,steelcasingpipeshouldbeplaced.Thesteelcasingpipeshouldbe20mmhigherthantheflooranditshouldhavemeasuresforthewater’sdraw-off,alsowaterproofmeasuresshouldbeveryrigidlyobeyedwhenthepipeistopenetratethefloor.Beforepenetrating,somesupportshouldbefixedfirstwiththeaimtoprotectingitfromchangingtheformthatmayleadtotheleakage.20.2.5热水管道穿越墙壁时，应配合土建设置钢套管，主要是让热水管能自由伸缩；冷水管穿墙时，可预留洞，洞口尺寸较外径大50mm。Whenthehotwaterpipeistopenetratethewall,asteelcasingpipeshouldbefixedsoastomakethewaterpipeextendanddrawbackfreely.Whenthecoldwaterpipeistopenetratethewall,aholeshouldbereserved.Thediameteroftheholeshouldbe50mmlargerthanthatofthewaterpipe.20.2.6直埋在地平面层以及墙体内的管道，应在封闭前做好试压和隐蔽工程的验收记录工作。Forthosepipes,placedonthesurfaceandburiedinthewalls,theexaminingandrecordingworkofthepressuretestandconcealingshouldbefinishedbeforetheseal.20.2.7建筑物埋地引入管和室内埋地管敷设要求如下：Therequirementsforthelayingoftheburied-pipeunderthegroundandfloorsareasfollows:室内地坪±0.00以下管道铺设宜分两段进行。先进行±0.00以下至基础墙外壁段的铺设,待土建施工结束后,再进行户外连接管的铺设;Thelayingofthepipesintheroomfloorbelow±0.00shouldbeconductedintwostages.Firstthepipeswhicharetobeplacedfromtheground±0.00tothefoundationofthebuildingshouldbelaid,thenaftertheconstructionisfinished,thepipeswhicharetobeplacedoutsidethebuildingshouldbeconnectedtotheonesintheroom.室内地坪以下管道铺设应在土建工程回填土夯实以后,重新开挖进行.严禁在回填土之前或未经夯实的土层中铺设;Thelayingofthepipesinsidetheroomshouldbeconductedafterthetighteningofthesoilandrediggingofthesoil.Layingbeforethefillingofthesoilandtighteningshouldbeforbidden.铺设管道的沟底应平整,不得有突出的坚硬物体。土壤的颗粒径不宜大于12mm，必要时可铺100mm厚的砂垫层；Thebottomoftheditchthatlaythepipesshouldbeassmoothaspossible,withoutanythingpiercingout.Thediameterofthesoilshouldbelessthan12mm,100mmdepthofsandlayercanbeplacedifnecessary;埋地管道回填时，管周回填土不得夹杂坚硬物与管壁接触。应先用砂土或颗粒径不大于12mm的土壤回填至管顶上侧300mm处，经夯实后方可回填原土。室内埋地管道的埋置深度不宜小于300mm；Whenfillingbackthesoilafterthepipelaying,thereshouldbenothingsolidandhardinthesoilaroundthepipe.Sandysoilorsoilwiththediameteroflessthan12mmshouldfirstbefilleduptothe300mmabovethepipetop.Theoriginalearthcanbefilledafterthetightening.Theburying-depthoftheinside-roompipelayingshouldbenolessthan300mm.管道出地坪处应设置护管，其高度应高出地坪100mm；Protectingpipesshouldbeplacedwhenthepipesaretopenetratetheearth.Theheightoftheprotectingpipeshouldbe100mmabovethesurface.管道在穿基础墙时，应设置金属套管。套管与基础墙预留孔上方的净空高度，若设计无规定时不应小于100mm；Whenpenetratingthewall,metalcasingpipesshouldbeplacedtoprotectthepipe.Thenetheightfromthereservedholeinthewalltothecasingpipe,whennoregulationsareset,shouldbemorethan100mm.管道在穿越街坊道路，覆土厚度小于700mm时，应采用严格的保护措施。Whencrossingthestreet,thedepthofthesoilcoveredonthepipeshouldbelessthan700mmandrigidprotectionmeasuresshouldbeadopted.20.3试压pressuretest管道系统试压分为强度试压和严密性试压两个步骤。强度试压时，冷水管和热水管分别按照1.5倍和2倍的最大工作压力试压，时间不少于1小时，压力表设在系统最低处；严密性试验时间为2小时，试验压力为最大工作压力的1.15倍。考虑到PP-R管道的特性，对最低强度试验压力，冷水管规定不小于1.0Mpa，冷水管不小于1.5Mpa。Thepressuretestofthepipesystemiscomposedoftwostages:strengthpressuretestandtighteningpressuretest.Duringthestrengthpressuretest,coldwaterpipeandhotwaterpiperespectivelyshouldbepressuredunder1.5timesandtwiceasstrongasthelargestworkingpressureforasleast1hour,withthemanometerinthelowestcondition.Thetighteningpressuretestshouldlast2hours,withthepressuretimesasstrongasthelargestworkingpressure.GiventhespecificpropertyofthePP-Rpipe,whentestingthelowestpressure,coldwaterpipeshouldbenolessthan1.0Mpawhilehotwaterpipeshouldbenolessthan1.5Mpa.注意事项：系统强度试压时，不包括用水设备，如水嘴、浮球阀等，试压时这些带金属嵌件连接部位，可用耐压的塑料堵头临时封堵。还须注意装卸时，不要用力过猛，以免损伤丝扣配件，造成连接处渗漏。严密性试验时，应当把水嘴等用水设备全部装上，以检查整个系统的可靠性.Thefollowingshouldbepaidspecialattention:Duringthesystem’sstrengthpressuretest,somewateringappliancesarenotincluded,suchaswatermouthandfloatingballvalveetc..Theseconnectingpartswithmetalsparesshouldbetemporarilyblockedwithplasticblockadesthatcanstandstrongpressure.Moreover,whenassemblinganddisassembling,theyshouldbetreatedmildlyinordernottodamagethethreadbucklefittingsthatmayleadtotheleakagebetweenthejoints.Duringthetighteningpressuretest,thewateringappliancessuchaswatermouthshouldbeequippedsoastotesttheliabilityofthewholesystem.20.3.1冷水管试压力，应为管道系统工作压力的1.5倍，但不得小于1.0Mpa。Whenthecoldwaterpipeistobetested,thepressureshouldbe1.5timesasstrongastheworkingpressureofthepipesystemanditshouldnotbelessthan1.0Mpa.20.3.2热水管试压力，应为管道系统工作压力的2.0倍，但不得小于1.5Mpa。Whenthehotwaterpipeistobetested,thepressureshouldbetwiceasstrongastheworkingpressureofthepipesystemanditshouldnotbelessthan1.5Mpa.20.3.3管道水压试验就符合下列规定：Thefollowingregulationsshouldbeobeyedduringthepipe’shydraulicpressuretest:热熔连接管道，水压试验时间应在24h后进行Ifthepipesareconnectedthroughmelting,thehydraulicpressuretestshouldbeconductedafter24hours.水压试验之前，管道应固定，接头须明露；Beforethetest,pipesshouldbefixedandthejointshouldbeopposedoutside.管道注满水后，先排出管道内空气，进行水密性检查；Afterthepipeisfloodedwithwater,theairshouldfirstbeemptiedsoastocarryouttheleakagetest.加压宜用手动泵，升压时间不小于10min，测定仪器的压力精度为0.01Mpa；至规定试验压力，稳压1h，测试压力降不得超过0.06Mpa；Whenraisingthepressure,manualpumpispreferred.Thetimeforraisingthepressureshouldbemorethan10minutes.Theprecisionofthetestedequipmentpressureis0.01Mpa.Whenthepressureisraisedtothesettestpressure,itshouldbeheldonfor1hour,andthedescendingrateofthepressureshouldbenomorethan0.06Mpa.工作压力的1.15倍状态下，稳压2h，压力降不得超过0.03Mpa，同时检查各连接处不得渗漏。Whenunderthe1.15timesofthenormalworkingpressure,thepressureshouldbeheldonfor2hours,andthedescendingrateshouldbenomorethan0.03Mpa.Meanwhile,thejointsshouldbecheckedtopreventleakage.20.3.4直埋在地坪面层和墙体的管道，试压工作必须在面层浇捣或封堵前进行，达到试压要求后，土建方能继续施工。Forthoseburiedunderthesurfaceofthegroundandinthewall,pressuretestshouldbeconductedbeforethecastingorsealingofthesurfacelayer.Theconstructioncanbecarriedonuntilthetestmeetstherequirements.20.4清洗、消毒cleaninganddisinfecting20.4.1给水管道系统在验收前，应进行通水冲洗。冲洗水流宜大于2m/s，冲洗时，应不留死角，每个配水点龙头应打开，系统最低点应设放水口，清洗时间控制在冲洗出口处排水的水质与进水相当为止。Thewatersupplypipeshouldbecleanedbyrunningwaterbeforethecheck-and-accept.Thewaterflowrateshouldbehigherthan2m/s.Everycornershouldbecleanedandeverywatertaponeverywaterdistributionpointshouldbeopened.Acertainwaterdraw-offpointshouldbeplacedinthelowestpoint.Thecleaningcouldn’tstopuntilthewaterqualityintheentranceandtheexitissimilartoeachother.20.4.2生活饮用水系统经冲洗后，还应用含20~30mg/l的游离氯的水灌满管道进行消毒，含氯水在管中应滞留24h以上。Afterthecleaning,thewholedrinkingwatersystemshouldfurthermorebedisinfectedwiththewaterthatcontains20~30mg/lfreechlorine.Thiskindofwatershouldbekeptinthewaterpipeatleastfor24hours.20.4.3管道消毒后，再用饮用水冲洗，并经卫生监督管理部门取样检验，水质符合现行的国家标准《生活饮用水卫生标准》后，方可交付使用。Afterthedisinfections,thepipeshouldberecleanedwithdrinkingwater.Itcan’tbeuseduntilafterthesampletestconductedbytheSanitationSupervisoryandAdministrativeDepartmentpassedanduntiltheresultisinconformitywiththestandardsofthe“DrinkingWaterSanitationStandards”.20.5注意事项pointsforattention20.5.1管材管件应存放在通风良好的库房或简易棚内，不得露天存放，防止阳光直射，注意防火安全，距离热源不得小于1米。Thepipesshouldbeplacedinthestorehousethathasgoodventilationsystemorinthesimplyequippedshed,andtheycan’tbeputintheopen-air.Thedirectirradiationshouldbeprohibited.Payattentiontothefireprevention,andthepipesshouldbeatleast1meterawayfromtheheatsource.20.5.2管材应水平堆放在平整的地上，应避免弯曲管材，堆置高度不得超过1.5米，管件应逐层堆码，不宜叠得过高。Thepipesshouldbeleveledonthegroundhorizontallysoasnottostrainthesepipes.Theheightofthepipesshouldnotbehigherthan1.5meters.Theyshouldbeplacedlayeruponlayerandnottoohigh.20.5.3搬运管材和管件时，应小心轻放，避免油污，严禁剧烈撞击、与尖锐物品碰触和抛、摔、滚、拖。Whencarrying,thesepipesshouldbeplacedcarefullytoavoidthegreasydirt,violentstrike,bumpingintosomethinghardandpiercingandtossing,flinging,rollinganddragging.20.5.4不得用硬物敲打管子与管件，尤其在较低温度时。Noallowanceforstrikingthepipeandpipematerialwithsomethinghardandsolid,particularlyinlowtemperature.20.5.5必须与管材轴向垂直方向切割管材，并保持切口干净平整。Whencutting,thepipesshouldbeconductedintheiraxialsectionandthesurfaceshouldbetidyandflat.20.5.6热熔连接严格按照规定的熔接深度进行连接。Themeltingconnectionshouldrigidlyobeythemeltingdepthforconnectinginthesetrule.20.5.7热熔连接时，管材与管件最大偏离角度不得超过50。Whenmelting,thelargestanglebetweenthepipeandthematerialis50.20.5.8管材弯曲时，弯曲半径不得小于管子直径的八倍，严禁用明火加热弯曲。Whencurving,thecurvingradiusshouldbeatleast8timesaslongasthatofthepipediameter.Curvingbyfireisforbidden.20.5.9金属螺纹在设计时采用锥形螺纹，连接时可使用麻或生料带密封，不可拧得过紧。Thetaperthreadisadoptedduringthedesignforthemetalthread.Whenconnecting,linencanbeusedtoseal,butitcannotbestretchedtootight.20.5.10根管子交叉重叠时，必须使用弯管。Whenthepipesoverlappingwitheachother,somecurvedpipesshouldbeused.20.5.11给水聚丙烯管道不得作为拉攀、吊架等使用。Thepolypropylenewatersupplypipescouldnotusedfordragging,climbing,andhanger.20.5.12直埋暗管封蔽后，应在墙面或地面标明暗管的位置和走向，严禁在管上冲击或钉金属等尖锐物体。Afterthesealingoftheburiedpipesinthesurface,somesignsshouldbemadeonthewallsurfaceorfloortopointoutthelocationandthetrendofthem.Tonailthesharp-pointedthingssuchasmetalonthepipeisforbidden.20.6排水UPVC管施工技术方案technicalprojectfordrainageUPVCpipeconstruction本项目的室内生活排水管及雨水管使用的是UPVC排水管；施工方案如下：TheUPVCdrainagepipeisusedintheindoorlivingdrainagepipeandrainpipeofthisproject.Theconstructionplanisasfollows:20.6.1所有UPVC管材进场后，必须检查进库存放，管材外壁均应有明显标志、生产厂家和生产日期。OnarrivalofalltheUPVCpipes,theyshouldbemovedintothestorehouseimmediatelyaftertheexamination.Outsidethepipesthereshouldbeclearsignsshowingmanufacturerandproductiondate.20.6.2管道施工工艺：施工准备～预制加工～管线定位、固定管卡～干管安装～立管安装～支管安装～闭水试验～管道冲洗～连接器具～成品保护。pipeconstructiontechnologies:preparation~prefabricatedprocessing~locatingpipelinesandfixingthepipechecks~installingthestempipes~installingthestandingpipes~installingthebranchpipes~blockingwatertest~cleaningthepipes~connectingtheequipment~protectingthefinishedproduct20.6.3卫生洁具安装工艺：施工准备～洁具外观检查～洁具预装～洁具安装～洁具与墙、地面的缝隙处理～成品保护sanitationequipmentinstallationtechnology:preparation~examiningtheoutwardappearance~preparedinstallingoftheequipment~installingtheequipment~dealingwiththecracksbetweentheequipmentandwallandfloor~protectingthefinishedproduct20.6.4施工前充分熟悉图纸，核对预留孔位置是否正确，根据施工图和现场情况，确定管线走向位置，并均匀布设固定支架，支架的固定必须采用螺栓，不得使用木楔。Beforetheconstruction,theblueprintshouldbefullyfamiliarized.Also,thelocationofthereservedholesshouldbereexamined.Thetrendofthepipelinecanbefixedaccordingtotheblueprintandconditionsonthespot.Moreover,thefixedsupportsshouldbelaidevenlyandtheboltsshouldbeusedforfixing,insteadofusingwoodenones.20.6.5UPVC管道粘接时，管口先必须用砂皮打毛，再均匀涂胶，插入轻轻转动，并将挤出的胶水拭搽干净，待粘接牢固后，再安装管道固定支架。WhenconnectingtheUPVCpipes,thesurfaceofthepipemouthshouldfirstberoughenedbyabrasivepaper,thenbeevenlypaintedwithglue.Insertthepipesandrotateitcarefullyandclearthegluepressedout.Thesupportsshouldbeinstalledafterthepipesarefixedthoroughly.20.6.7UPVC管线安装应做到“横平竖值”并在支管敷设时设置一定的坡度。遵循支坡主，主坡干，干坡立的原则。试验合格后预留孔分两次封堵，并做楼面泼水试验。Wheninstalling,theUPVCpipelinesshouldbeevenandstraightandacertainangleshouldbeleftduringthelayingofthebranchpipes.Theprinciplesof“Thebranchpipelinesarepartofthemainpipelines,themainpipelinesarealsopartofthestempipelineswhilethestempipelinesshouldbestraight”shouldbeobserved.Whenthetestisqualified,thereservedholesshouldbeblockedtwice,andwatersplashingtestshouldbedoneonthefloortotestwhethertheholesareblockedthoroughly.20.6.8UPVC管材敷设不得半明半暗，按照规范规定设置伸缩节、检查口等。设置伸缩节时应留有一定的余量，防止气温变化引起管道变形等现象。检查口的朝向应便于清扫。ThelayingoftheUPVCpipeshouldbestandardized.Theextensionjointandinspectionmouthshouldbesetupaccordingtothestandard.Whensettinguptheextensionjoint,somespaceshouldbeleftasitmaybecomedeformedbecauseofthechangeoftemperature.Thelocationoftheinspectingmouthshouldbeconvenientforcleaning.20.6.9室内排水立管过渡为横管处，应用2只45度弯头连接，并在弯头出加设支墩，回填土需灌水试验以后进行，回填物采用砂子。Whentheindoorstraightdrainagepipeschangeintothehorizontalpipes,two450jointsshouldbeusedforconnecting.Onthejointpointasupportingbaseshouldbebuilt.Thefillingofthebaseshouldbedoneaftertheleakagetest,andsandispreferredasthefillingmaterial.20.6.10所有需要隐蔽的工程，由质检部门提前一天邀请监理进行隐蔽验收。Forthoseprojectthatneedconcealing,QualityInspectingDepartmentshouldbeinvitedadayinadvancetoexaminetheconcealedproject.20.6.11卫生洁具安装应在装潢工作完成以后进行，安装前应完成通水、通球试验等检测。所有的卫生洁具均应按规定作盛水试验，24小时无渗漏为合格。Theinstallationofthesanitationequipmentshouldbeconductedafterthedecorating.Beforetheinstallation,sometestsshouldbecarriedoutsuchasthewaterflowingtestandball-passingtesttotestwhetherthepipeisblocked.Allsanitationequipmentshouldundertakethewaterleakagetestaccordingtotheregulations.Thosewithoutleakagein24hoursarequalified.21、消火栓与自动喷淋施工技术方案firehydrantandautomaticsprinkleconstructiontechnicalproject本项目的室内消防管、压力排水管、室外消防给水管采用的是镀锌钢管，卡槽连接其施工方案如下：Theindoorfirehose,thepressuredrainpipeandtheoutdoorfirewatersupplypipearegalvanizedsteelpipeandtheslotisconnected.Theconstructionplanisasfollows:21.1工艺流程procedure管网安装～系统试压～系统组件～供水设备安装～系统调试～系统验收。installingthepipesystem~pressuretestforthesystem~composingsparepartsforthesystem~installingthewatersupplyequipment~adjustingandtestingthesystem~examiningthesystem21.2系统安装前应会同监理或甲方代表对所有进场材料进行现场验收，检查进场材料的型号、规格是否符合设计要求和有关规范规定。检查外观是否出现破损，变形及油漆脱落等现象，并查验产品合格证书及质保书，收集归档。严格不合格产品及材料进入施工现场和安装于工程当中。Beforetheinstallmentofthesystem,thesupervisorortherepresentativeofthefirstpartyshouldexamineallthematerialsonthespot.Heshouldexaminethemodelandspecificationsofthesematerialstoensurethattheycomplywiththedesignrequirementsandstandardizeofsomeregulations.Alsotheyshouldexaminewhethertherearesomephenomenasuchasdamage,deformityandshedpaintandsoonFinallytheyshouldexaminethequalificationcertificateandqualityguaranteecertificateandplacethemonfile.Thoseunqualifiedproductsandmaterialshouldnotbeusedintheconstruction.21.3系统管网安装工艺流程：熟悉图纸～现场定位、放线～管道预制加工～支架安装～管道安装～试压和冲洗～配套组件安装～刷漆、验收。p