HGU管沟施工方案

1、 PAGE PAGE 2HGU版次： A管沟施工方案目录 HYPERLINK l _TOC_250013 1、编制依据 HYPERLINK l _TOC_250012 1、COMPILATIONBASIS HYPERLINK l _TOC_250011 2、工程概况 HYPERLINK l _TOC_250010 2、GENERAL HYPERLINK l _TOC_250009 3、施工准备 HYPERLINK l _TOC_250008 CONSTRUCTIONPREPARATION24、施工方案部署 HYPERLINK l _TOC_250007 CONSTRUCTIONPLANARRA

2、NGEMENT4 HYPERLINK l _TOC_250006 5、施工缝划分 HYPERLINK l _TOC_250005 IVISION OFCONSTRUCTIONJOINTS9 HYPERLINK l _TOC_250004 6、垫层及替代砼的浇筑10 HYPERLINK l _TOC_250003 PLACING OF BEING CONCRETE ANCONSTITUTECONCRETE10 HYPERLINK l _TOC_250002 7、脚手架工程10 HYPERLINK l _TOC_250001 7、SCAFFOLWORK10 HYPERLINK l _TOC_250

3、000 8、模板工程148.1模板情况介绍14HGU版次： A管沟施工方案INTROUCTION OF FORMWORK14廊道模板制作要求14REQUIREMENT FOR PIPEWAY FORMWORK MANUFACTURING14模板安装14模板撤除168.4 STRIPPING OF FORMWORK16钢筋工程16钢筋材质及制作16REINFORCEMENT MATERIAL AN FABRICATION16钢筋保护层17COVER OF REINFORCEMENT17钢筋连接17REINFORCEMENT CONNECTION17钢筋的防污染保护189.4 CONTAMINAT

4、ION PROOF OF REINFORCEMENT1810、混凝土工程1811、质量保证2412、平安文明施工措施2513、计算书26HGU 管沟施工方案HGU 管沟施工方案A PAGE PAGE 24HGU 管沟施工方案Construction Methos Statement On HGO1、编制依据CompilationBasis台ft核电站一期常规岛土建工程施工合同CivilWorkContractofTaishanNuclearPowerStationConventionalIslan(Phase1);欧标技术规格书 B 版EuropeanStanarTechnicalSpecif

5、ication(EitionHGU管沟施工图纸Construction rawings of HGU Pipeway台ft核电站一期常规岛土建工程现场施工情况CivilWorkOn-siteConstructionConitionofTaishanNuclearPowerConventional Islan(Phase1)2、 工程概况General台ft核电站一期工程HGU管沟是连接循环水虹吸HCA与重要厂用水泵HPA/C专设的重要冷却水管沟。采用核岛反响堆坐标系坐标以1980西安坐标系为准，反响堆厂房标高(国家85高程系)，一切标高都以反响堆厂房的相关于标高为准；HGU管沟外截面大局部为，

6、内孔大局部截面为的方孔，侧壁及底板、顶板均为500mm厚的现浇钢筋混凝土结构；结构需进行找坡，找坡坡度诀别为0.3%、0.34%与0.38%。HGU 管沟替代砼及垫层采用C25砼主体结构采用欧标C35/45砼管沟共计10段(060069段)。InTaishanNuclearPowerStationproject(Phase1),HGUisessentialcoolingwaterpipewaywhichiseicatetolinktherecyclewatersiphonwell(HCA)anessentialservicepump station(HPA/C).Coorinatesystem

7、ofNuclearIslanreactorisapplie(XIANCoorinate System1980).LevelofreactorbuilingcorresponstoofNationalElevation1985.Alllevelsrelatetothereferencelevelofreactorbuiling.TheoutsiesectionofHGUis largelysquareholeofmaninsiesectionislargelysquareholeof.Thesiewall,base slabantopslabofthepipewayarereinforcemen

8、tconcretestructureof500mmthickwhichshallbecastinsitu.Theslopshallbemaeinstructureantheslopevariesfrom0.3%,0.34% to0.38%.TheC25concreteshallbeapplietotheHGUPipewayconstituteconcretean beingconcrete,whileENC35/45concreteshallbeapplietothemainstructure.pipewayhas10sectionsintotal(from060to069).3、 施工准备C

9、onstructionPreparation人员安排：PersonnelPreparation队长：罗泽军；全面负责 HGU 管沟的施工管理与现场协调工作。TeamLeaer:LuoZejun,responsibleforcomprehensiveconstructionmanagementansite coorination of HGUpipeway.钢筋工长：彭广理；负责 HGU 管沟钢筋的绑扎与验收工作。ReinforcementForeman:PengGuangli,responsibleforthereinforcementfixingacceptanceofitinHGUpipe

10、way.木工工长：周贵伟；负责 HGU 管沟模板的支护与验收工作。CarpentryForeman:ZhouGuiwei,responsibleforformworkinstallationanacceptanceof it in HGUpipeway.混凝土工长：黄建根；负责 HGU 管沟模板的支护与验收工作。ConcreteForeman:HuangJiangen,responsibleformworkinstallationanacceptanceofit in HGUpipeway.技术员：刘志强；负责 HGU 管沟施工进程中技术问题及技术交底工作。Technician:LiuZhiq

11、iang,responsibletoresolvetechnicalifficultiesanannotationuringHGUpipewayconstruction.QC1: HGU 管沟施工进程中的质量监督、检查工作。QC1:Zhangresponsibleforqualitysupervisionaninspectionuringpipeway construction.QC2: HGU W、H 点进行复检，关于其它工序进行抽检验证等工作。QC2:LiuWei,responsibleforrecheckofpointWanHansamplinginspectionofother pro

12、cess.HGUSafety Officer: Li Yongquan, responsible for safety supervision&inspection an civilize construction management.测量员：2 名；负责 HGU 管沟施工进程中测量放线工作。2 Survey Crew: responsible for setting-out uring HGU pipeway construction.HGUETF等工作。ocument Controller: responsible for receiving rawings an ocuments an

13、 compiling acceptance ocuments(national stanar an ETF ocument) uring HGU pipeway construction.在结构施工顶峰期，方案进场工人：木工 15 人，钢筋工 20 人，混凝土工 20 人、焊工2人、架子工15人，特殊工种，必需经过培训，有上岗证，持证上岗。uringthepeakperioofstructureconstruction,itisplannetomobilize:wooworkers;20reinforcementworkers,20concreteworkers,2welers,15scaff

14、olers.Workers of special posts shall atten training an get work license.机具准备3.2 Equipment an Machinery Preparation结构施工顶峰期混凝土浇筑设备：Concrete placing equipments uring peak perio of structure construction:序号序号EquipmentNameMoelCapabilityNoteNo.1混凝土搅拌运输车8m2Concrete Mixing 混凝土汽车泵Concrete Auto混凝土振动棒Concrete

15、VibratorJGC5292GJB140-100m3120m3/h-49m3ZN5055mm5 台51台1Set 20根20注:Note:uringconcreteplacing,theMainStructureTeamshallpreparerainclothtopreventthe concretequalityfrombeingaffectebytherain.Lightingequipmentshallbeprepareuring nightconstruction.44Construction PlanArrangementHGU200911820102760、62、636992天

16、，下表为具体部署：TheconstructionofHGUpipewayisplannetostartonNovember8th of2021antobe finisheonFebruary7th of2021(theuppersectionof60 th,62n,63ran69thSectionarenot completeuringthisperio).Theconstructionlastsfor92aysanfollowingisetailescheule:ProjectNameHGU Essential Cooling Water Pipeway(HGU)HG-66 段HG-66 S

17、ection下段Lower Section替 代 、 垫 层 施 工 Construction of Constitute an Being ConcreteReinforcement Fixing(incluing installation of waterstop steel plate)模板支设Formwork Installation隐蔽验收ConcealeWorkAcceptance砼 浇 筑 Concrete Placing 上段Upper Section砼凿毛Concrete Roughening墙体钢筋绑扎Wall Reinforcement Fixing墙体模板支设WallF

18、ormworkInstallation内支撑架搭设Inner Bracing Frame Installation顶模铺设TopFormworkInstallation工期Construction Perio65 2021-11-8 8:002021-1-11 17:0065 2021-11-8 8:002021-1-11 17:0050 2021-11-8 8:002021-12-27 17:004 2021-11-8 8:002021-11-11 17:005 2021-12-18 8:002021-12-22 17:003 2021-12-23 8:002021-12-25 17:001

19、 2021-12-26 8:002021-12-26 17:001 2021-12-27 8:002021-12-27 17:0013 2021-12-30 8:002021-1-11 17:001 2021-12-30 8:002021-12-30 17:003 2021-12-31 8:002021-1-2 17:003 2010-1-3 8:002021-1-5 17:003 2010-1-3 8:002021-1-5 17:002 2010-1-6 8:002021-1-7 17:00开始时间Start Time 2021-11-8 8:00完成时间Completion Time 20

20、21-2-7 17:00HGU 管沟施工方案HGU 管沟施工方案A2 2010-1-8 8:002 2010-1-8 8:002021-1-9 17:001 2021-1-10 8:002021-1-10 17:001 2021-1-11 8:002021-1-11 17:0065 2021-11-8 8:002021-1-11 17:0050 2021-11-8 8:002021-12-27 17:004 2021-11-8 8:002021-11-11 17:005 2021-12-18 8:002021-12-22 17:003 2021-12-23 8:002021-12-25 17:

21、001 2021-12-26 8:002021-12-26 17:001 2021-12-27 8:002021-12-27 17:0013 2021-12-30 8:002021-1-11 17:001 2021-12-30 8:002021-12-30 17:003 2021-12-31 8:002021-1-2 17:003 2010-1-3 8:002021-1-5 17:003 2010-1-3 8:002021-1-5 17:002 2010-1-6 8:002021-1-7 17:002 2010-1-8 8:002021-1-9 17:001 2021-1-10 8:00202

22、1-1-10 17:001 2021-1-11 8:002021-1-11 17:0052 2021-11-8 8:002021-12-29 17:0039 2021-11-8 8:002021-12-16 17:004 2021-11-8 8:002021-11-11 17:005 2021-12-7 8:002021-12-11 17:00顶板钢筋绑扎Top Slab ReinforcementFixing隐蔽验收Conceale Work Acceptance砼 浇 筑 Concrete Placing HG-64 段HG-64 Section下段 Lower Section替 代 、

23、垫 层 施 工 Construction of Constitute an Being Concrete钢筋绑扎囊括止水钢板安装Reinforcement Fixing(incluing installation of waterstop steel plate)模板支设Formwork Installation隐蔽验收Conceale Work Acceptance砼 浇 筑 Concrete Placing 上段Upper Section砼凿毛Concrete Roughening墙体钢筋绑扎Wall Reinforcement Fixing墙体模板支设Wall Formwork Inst

24、allation内支撑架搭设Inner Bracing FrameInstallation顶模铺设Top Formwork Installation顶板钢筋绑扎Top Slab ReinforcementFixing隐蔽验收Conceale Work Acceptance砼 浇 筑 Concrete Placing HG-65 段HG-65 Section下段Lower Section替 代 、 垫 层 施 工 Construction of Constitute an Being Concrete钢筋绑扎囊括止水钢板安装Reinforcement Fixing(incluing instal

25、lationofwaterstopsteel plate)3 2021-12-12 8:003 2021-12-12 8:002021-12-14 17:001 2021-12-15 8:002021-12-15 17:001 2021-12-16 8:002021-12-16 17:0013 2021-12-17 8:002021-12-29 17:001 2021-12-17 8:002021-12-17 17:003 2021-12-18 8:002021-12-20 17:003 2021-12-21 8:002021-12-23 17:003 2021-12-21 8:002021-

26、12-23 17:002 2021-12-24 8:002021-12-25 17:002 2021-12-26 8:002021-12-27 17:001 2021-12-28 8:002021-12-28 17:001 2021-12-29 8:002021-12-29 17:0030 2021-11-30 8:002021-12-29 17:0017 2021-11-30 8:002021-12-16 17:003 2021-11-30 8:002021-12-2 17:005 2021-12-7 8:002021-12-11 17:003 2021-12-12 8:002021-12-

27、14 17:001 2021-12-15 8:002021-12-15 17:001 2021-12-16 8:002021-12-16 17:0013 2021-12-17 8:002021-12-29 17:001 2021-12-17 8:002021-12-17 17:003 2021-12-18 8:002021-12-20 17:00Formwork Installation隐蔽验收Conceale Work Acceptance砼 浇 筑 Concrete Placing 上段Upper Section砼凿毛Concrete Roughening墙体钢筋绑扎Wall Reinfo

28、rcement Fixing墙体模板支设Wall Formwork Installation内支撑架搭设Inner Bracing FrameInstallation顶模铺设Top Formwork Installation顶板钢筋绑扎Top Slab ReinforcementFixing隐蔽验收Conceale Work Acceptance砼 浇 筑 Concrete Placing HG-67 段HG-67 Section下段 Lower Section替 代 、 垫 层 施 工 Construction of Constitute an Being Concrete钢筋绑扎囊括止水钢

29、板安装Reinforcement Fixing(incluing installation of waterstop steel plate)模板支设Formwork Installation隐蔽验收Conceale Work Acceptance砼浇筑Concrete Placing上段 Upper Section砼凿毛Concrete Roughening墙体钢筋绑扎Wall Reinforcement Fixing3 2021-12-21 8:003 2021-12-21 8:002021-12-23 17:003 2021-12-21 8:002021-12-23 17:002 202

30、1-12-24 8:002021-12-25 17:002 2021-12-26 8:002021-12-27 17:001 2021-12-28 8:002021-12-28 17:001 2021-12-29 8:002021-12-29 17:0051 2021-11-30 8:002021-1-19 17:0038 2021-11-30 8:002021-1-6 17:003 2021-11-30 8:002021-12-2 17:005 2021-12-28 8:002021-1-1 17:003 2010-1-2 8:002021-1-4 17:001 2010-1-5 8:002

31、021-1-5 17:001 2010-1-6 8:002021-1-6 17:0013 2010-1-7 8:002021-1-19 17:001 2010-1-7 8:002021-1-7 17:003 2010-1-8 8:002021-1-10 17:003 2021-1-11 8:002021-1-13 17:003 2021-1-11 8:002021-1-13 17:002 2021-1-14 8:002021-1-15 17:002 2021-1-16 8:002021-1-17 17:001 2021-1-18 8:002021-1-18 17:001 2021-1-19 8

32、:002021-1-19 17:0059 2021-11-22 8:002021-1-19 17:00墙体模板支设Wall Formwork Installation内支撑架搭设Inner Bracing FrameInstallation顶模铺设Top Formwork Installation顶板钢筋绑扎Top Slab ReinforcementFixing隐蔽验收Conceale Work Acceptance砼 浇 筑 Concrete Placing HG-68 段HG-68 Section下段Lower Section替 代 、 垫 层 施 工 Construction of C

33、onstitute an Being Concrete钢筋绑扎囊括止水钢板安装Reinforcement Fixing(incluing installation of waterstop steel plate)模板支设Formwork Installation隐蔽验收Conceale Work Acceptance砼 浇 筑 Concrete Placing 上段Upper Section砼凿毛Concrete Roughening墙体钢筋绑扎Wall Reinforcement Fixing墙体模板支设Wall Formwork Installation内支撑架搭设Inner Braci

34、ng FrameInstallation顶模铺设Top Formwork Installation顶板钢筋绑扎Top Slab ReinforcementFixing隐蔽验收Conceale Work Acceptance砼 浇 筑 Concrete Placing HG-61 段HG-61 Section46 2021-11-22 8:0046 2021-11-22 8:002021-1-6 17:003 2021-11-22 8:002021-11-24 17:005 2021-12-28 8:002021-1-1 17:003 2010-1-2 8:002021-1-4 17:001 2

35、010-1-5 8:002021-1-5 17:001 2010-1-6 8:002021-1-6 17:0013 2010-1-7 8:002021-1-19 17:001 2010-1-7 8:002021-1-7 17:003 2010-1-8 8:002021-1-10 17:003 2021-1-11 8:002021-1-13 17:003 2021-1-11 8:002021-1-13 17:002 2021-1-14 8:002021-1-15 17:002 2021-1-16 8:002021-1-17 17:001 2021-1-18 8:002021-1-18 17:00

36、1 2021-1-19 8:002021-1-19 17:0025 2010-1-3 8:002021-1-27 17:0012 2010-1-3 8:002021-1-14 17:004 2010-1-3 8:002021-1-6 17:00Lower Section替 代 、 垫 层 施 工 Construction of Constitute an Being Concrete钢筋绑扎囊括止水钢板安装Reinforcement Fixing(incluing installation of waterstop steel plate)模板支设Formwork Installation隐蔽

37、验收Conceale Work Acceptance砼 浇 筑 Concrete Placing 上段Upper Section砼凿毛Concrete Roughening墙体钢筋绑扎Wall Reinforcement Fixing墙体模板支设Wall Formwork Installation内支撑架搭设Inner Bracing FrameInstallation顶模铺设Top Formwork Installation顶板钢筋绑扎Top Slab ReinforcementFixing隐蔽验收Conceale Work Acceptance砼浇筑Concrete Placing HG-

38、62、HG-60 段HG-62 an HG-60Section下段 Lower Section替 代 、 垫 层 施 工 Construction of Constitute an Being ConcreteReinforcement Fixing(incluing installation of waterstop steel plate)32010-1-78:002021-1-917:00模板支设FormworkInstallation隐蔽验收32021-1-10 8:0012021-1-13 8:002021-1-12 17:002021-1-13 17:001 2021-1-14 8

39、:002021-1-14 17:0028 2021-1-11 8:002021-2-7 17:0011 2021-1-11 8:002021-1-21 17:004 2021-1-11 8:002021-1-14 17:003 2021-1-15 8:002021-1-17 17:002 2021-1-18 8:002021-1-19 17:001 2021-1-20 8:002021-1-20 17:001 2021-1-21 8:002021-1-21 17:00Conceale Work Acceptance砼浇筑Concrete Placing HG-69、Conceale Work

40、Acceptance砼浇筑Concrete Placing HG-69、HG-63 段HG-69 an HG-63Section下段Lower Section替 代 、 垫 层 施 工 Construction of Constitute an Being Concrete钢筋绑扎囊括止水钢板安装Reinforcement Fixing(incluing installation of waterstop steel plate)模板支设Formwork Installation隐蔽验收Conceale Work Acceptance砼浇筑Concrete Placingivision of

41、ConstructionJoints500mm缝，每段砼分为上下两次浇筑。Accoring to the construction rawing, the being concrete shall be place by section immeiately after the inspection of HGU founation subsoil. The main structure team shall finishtheconstructionofeverycontrol-pointaccoringtothescheulecompilebythe engineering epartme

42、nt. A horizontal construction joint shall be set at the position which 500mmupperthetopbaseslabfaceantheconcreteofeverysectionshallbeplacefortwo times(theupperpartanthelowerpart).每段施工工序如下：Following is construction process of every section:清基-测量放线-垫层施工 -搭设外架-钢筋绑扎、安装止水胶带、止水预埋管-搭设内模板支撑架-支设第二次砼模板-浇筑第二次砼

43、-砼养护- 土方回填Cleanoffounationsetting-outconstruction ofbeingconcreteinstallationofexternal scaffolreinforcementfixing,installationofrubberansteelplatewaterstopinstallationof first stage concrete formworkplacing of first stage concreteconcrete curingreinforcementfixing,installationofrubberwaterstopanemb

44、eingofpipes installationof internalformworkbracingframeinstallationofseconstageconcreteformworkplacingof seconstageconcreteconcretecuringbackfilling6、 垫层及替代砼的浇筑Placing of Being Concrete an ConstituteConcrete求放线，管沟结构砼不再找坡。Thebeingconcreteofpipewayshallbeplacebysectionaccoringtothesiteconition. Thesur

45、veyteamshallbesettingoutaccoringtotherequirementofmaking-slopintheesign rawinganthersnoneetomakeslopeinthepipewaystructuralconcrete.C25厚的部位需分层浇筑，分层厚度为 40cm。TheC25concreteshallbeapplietothepipewaybeingconcrete.Thepartwhichis over-excavateshallplacewithconstituteconcrete.Iftheconstituteconcreteisthick

46、,itshall beplacelayerbylayeraneachlayeris40cminthickness.垫层及替代混凝土根据现场情况可采用泵车或地泵由一端向另一端逐渐推进浇筑。Accoring to the site conition, the being an constitute concrete shall begrauallybypumptruckorfloortypepumpfromoneentoanother.混凝土振捣参见?砼振捣?工作程序。RefertoWorkProceureofConcreteVibrationforvibrationmetho.垫层及替代混凝土浇

47、筑后应进行浇水养护。6.5Afterplacing,thebeingconcreteanconstituteconcreteshallbesprayewithwaterfor curing.7、 脚手架工程7、Scaffol Work7.1Installation ofScaffol7 HGU483.5300mm4200400mm。7Outsiethepipeway,theouble-rowscaffoliscoupler-styleanmaeof48x3.5steel tubes.Thetransversalspacingofverticalpolesism,thelongituinalsp

48、acingis.The istancebetweenbottompoleanfloorshallbe300mmanspacingofotherhorizontalpolesshallbe1800mm.Theworkingplatformshallbecoverewith4wooenputlogswhichis200 inwith.Theistancebetweeninternalverticalpoleantrenchegeshallbe400mm.7HGU机具、材料的运送。7SincetheHGUpipewayisconstructesectionbysection,construction

49、passageshallbesetat the top for construction crew, small equipment&machinery an transportation of materials uringtheconstructionofeachsection.7 根据侧壁高度，外架在顶端和其他相应位置应挑出水平杆用于固定侧壁竖筋。7.1.3Accoringtotheheightofthesiewall,horizontalpolesofexternalscaffolshallusetofixthesiewallverticalrebarsatthetopanotherc

50、orresponingpositions.7 立杆的接长均采用关于接扣件，立杆的关于接扣件应交错部署，两根相邻立杆的接头不应设置在同步内。7Couplersshallbeapplietoconnectuprightpipes.Couplerslayoutofifferentverticalpoles shallbestaggere.Thecouplersoftwoneighboringuprightpolesshallnotbearrangeinthe same horizentalspan.7 同步内隔一根立杆的两个相隔接头在高度方向错开的距不宜小于 500 mm，各接头中心至主节点的距离不

51、宜大于步距的 1/3，严禁采用搭接。7Theistancebetweenthetwoapartecouplersoftheverticalpoleanthenext2neighboring polesshallbelongerthan500mm.Theistancebetweenthecenterofeachjointannearest majorjointshallnotbelongerthan1/3oftherawingpace.Overlappingisforbien.72415445 60之间。7.1.6Accoringtothescaffolinstallationregulatio

52、n,forthescaffolwhichislowerthan24m, astruttingshallbesetatbothensofthefaaerespectively.Thestruttingshallbesetcontinuouslyfrombottomtotopantheistancebetweeneachgrouppfstruttingsshallnotbe longerthan15m.Thewithofeachstruttingshallnotbelessthan4spans.Theanglebetween obliquepoleanthefloorshallbetween45t

53、o60.7 剪刀撑的接长宜采用搭接，搭接长度不应小于 1m，应采用不少于 2 个旋转扣件固定，端部扣件盖板的边缘至杆端不应小于 100 mm。7Overlapconnectionshallbeapplieintheextensionofstruttingantheoverlaplengthshall belongerthanorequalto1m.Atleasttworotatingcouplersshallbeapllie.Theistance betweencoverofthetoppestcouplertothetopofofthepoleshallnotbeshorterthan100

54、mm.720m40m2距应6m。7Accoringtothescaffolinstallationregulation,whenthescaffolisnothigherthan20m,at leastoneconnectionpointtothewallshallbearrangeevery40m2anthespacingbetween theverticalpointstothewallshallnotbelongerthan6m.脚手架的使用Utilization ofScaffol7 脚手架应在平安部门验收合格后才可投入使用或继续使用。7Thescaffolonlyshallbeput

55、intouseorreuseafterpassesthequalityacceptanceofsafety epartment.7块脚手板以增加操作高度。7Themaximumoperationheightfortheoperatorsonthescaffolisefineunernormal operation.Itisforbientoputriserblockorsinglescaffolboaronthewooenputlogto increase operationheight.7确因操作要求需要临时撤除时，必需经主管人员同意，采取相应填补措施，并且在作业完毕后，即时予以恢复。7It

56、isforbientoremoveverticalpoles,horizontalpoles,couplersanpolesconnectingthewallatranom.Ifitisnecessarytoremovethosepolestemporarily,itshallbepermitteby peopleinchargeancorresponingremeialmeasuresshallbetaken.Afterrelevantoperation, it shall berestore.7严禁在架上戏闹和坐在栏杆上等不平安处休息。7 Workers operating on the

57、scaffol shall pay great attention to the safety of their own aswellasotherpeopletopreventcollisionanfallingobject.Itisforbientoplayorrestonthe scaffol.7 人员上下脚手架必需走设平安防护的出入通道，严禁攀援脚手架上下。7Workersshallgettothescaffolthroughsafe-guarepassages.Itisforbientoclimbthe scaffol.7 在施工进程中应防止损坏，污染架管、扣件等，假设有损坏应即时回

58、收，更换。7uringtheconstructionprocess,itshallbeavoietoamageorcontaminatethesteeltubes ancouplers.Ifthersanyamage,theyshallberecycleanchange.脚手架的撤除7.3RemovalofScaffol7 先从钢管脚手架顶端拆起。7 It shall be remove from the top of steel-tube scaffol.7内，撤除顺序由上而下，先搭后拆，后搭先拆的原那么，先拆栏杆、脚手板、剪刀撑、斜撑，后拆小横杆、大横杆、立杆，先按一步一清的原那么依次进行

59、，严禁上下同时作业。7Thescaffolshallberemovelayerbylayer.Theremovalshallbeirectebyspecial personanaguarrailorcautionnoticeshallsettopreventirrelevantpersonfromentering. Thescaffolshallberemovefromtoptobottom.Therail,scaffolboar,struttingan iagonalbracingshallberemovefirstlyanthencomestotheputlog,legeranvertic

60、alpole. Theremovalshallbecarrieoutstepbystepanup-ownconcurrentoperationisforbien.7然后托住中间，再解端头扣。7Whenremovingtheverticalpole,theworkersshallfirstlyholthepoleanthenloosen thelasttwocouplers.Whileremovingtheleger,iagonalbracinganstrutting,theworkers shallfirstlyloosenthemilecoupleranthenholthemileparto