HGU管溝施工方案

1、1、2、2、General 13、施工預(yù)備 25、5.6、墊層及替代砼的澆筑 106.7、7、Scaffold Work 118.1模板情形介紹 168.18.2廊道模板制作要求 178.28.38.4Requirement for Pipeway Formwork Manufacturing 17 模板安裝 模板拆除1719Stripping9. 鋼筋工程鋼筋材質(zhì)及制作 198.49.1of Formwork 19199.1Compilation Basis 1 工程概況 13. Construction Preparation 24、 施工打算部署 44. Construction Pla

2、n Arrangement 4 施工縫劃分 10Division of Construction Joints 10Placing of Bedding Concrete and Constitute Concrete 10 腳手架工程 118、模板工程 16Introduction of Formwork17Reinforcement Material and Fabrication 191、HGU 管溝施工方案編制依據(jù) 19.2鋼筋愛護(hù)層 209.2 Cover of Reinforcement209.3鋼筋連接 209.3 Reinforcement Connection 209.4 鋼

3、筋的防污染愛護(hù) 219.4 Contamination Proof of Reinforcement 2110、 混凝土工程 2211、質(zhì)量保證 2912、安全文明施工措施 3013、運(yùn)算書 31HGU 管溝施工方案Construction Methods Statement On HGO1、編制依據(jù)1. Compilation Basis 臺(tái)山核電站一期常規(guī)島土建工程施工合同Civil Work Contract of Taishan Nuclear Power Station Conventional Island（Phase 1）;歐標(biāo)技術(shù)規(guī)格書 （ B 版）European Stand

4、ard Technical Specification(Edition B)HGU 管溝施工圖紙Construction Drawings of HGU Pipeway 臺(tái)山核電站一期常規(guī)島土建工程現(xiàn)場(chǎng)施工情形Civil Work On-site Construction Condition of Taishan Nuclear PowerStation Conventional Island(Phase 1) 工程概況2. General臺(tái)山核電站一期工程 HGU 管溝是連接循環(huán)水虹吸井 （HCA ）與重要廠 用水泵房（HPA/C）專設(shè)的重要冷卻水管溝。采納核島反應(yīng)堆坐標(biāo)系（坐標(biāo) 以1980

5、西安坐標(biāo)系為準(zhǔn)），反應(yīng)堆廠房標(biāo)高士 0.00有關(guān)于8.7m（國(guó)家85高 程系），所有標(biāo)高都以反應(yīng)堆廠房的相對(duì)標(biāo)高為準(zhǔn)； HGU 管溝外截面大部分 為3.5mx 3.5m,內(nèi)孔大部分截面為2.5mX 2.5m的方孔，側(cè)壁及底板、頂板 均為500mm厚的現(xiàn)澆鋼筋混凝土結(jié)構(gòu)；結(jié)構(gòu)需進(jìn)行找坡，找坡坡度分不為 0.3%、0.34%與0.38%。HGU管溝替代砼及墊層采納 C25砼，主體結(jié)構(gòu)采 納歐標(biāo)C35/45砼；管溝共計(jì)10段（060069段）。In Taishan Nuclear Power Station project(Phase 1), HGU is essential cooling wat

6、er pipeway which is dedicated to link the recycled water sipho n well(HCA) and essential service pump station(HPA/C). Coordinate syste m of Nuclear Island reactor is applied(XI AN Coordinate System 1980). Level 士 0.00 of reactor building corresponds to 8.7m of National ElevatioHGU 管溝鋼筋的綁扎與驗(yàn)收工作。Reinf

7、orcement Foreman:ent fixing and acceptance of 木工工長(zhǎng)：周貴偉；負(fù)責(zé)n Datum 1985. All levels relate to the reference level of reactor building.The outside section of HGU is largely square hole of 3.5m x 3.5m and i nside section is largely square hole of 2.5mx 2.5m. The side wall, base s lab and top slab of the

8、 pipeway are reinforcement concrete structure of 5 00mm thick which shall be cast in situ. The slop shall be made in struct ure and the slope varies from 0.3%, 0.34% to 0.38%. The C25 concrete shall be applied to the HGU Pipeway constitute concrete and bedding con crete, while EN C35/45 concrete sha

9、ll be applied to the main structure. T he pipeway has 10 sections in total(from 060 to 069).施工預(yù)備3. Construction Preparation3.1 人員安排：3.1 Personnel Preparation 隊(duì)長(zhǎng)：羅澤軍；全面負(fù)責(zé) HGU 管溝的施工治理與現(xiàn)場(chǎng)和諧工作。Team Leader: Luo Zejun, responsible for comprehensive construction management and site coordination of HGU pipe

10、way.鋼筋工長(zhǎng)：彭廣理；負(fù)責(zé)Peng Guangli, responsible for the reinforcem it in HGU pipeway.HGU 管溝模板的支護(hù)與驗(yàn)收工作。Carpentry Foreman: Zhou Guiwei, responsible for formwork installatio n and acceptanceof it in HGU pipeway.混凝土工長(zhǎng)：黃建根；負(fù)責(zé) HGU 管溝模板的支護(hù)與驗(yàn)收工作。Concrete Foreman: Huang Jian gen, responsible formwork installation a

11、nd acceptance of it in HGU pipeway.技術(shù)員：劉志強(qiáng)；負(fù)責(zé) HGU 管溝施工過程中技術(shù)咨詢題及技術(shù)交底工 作。Technician: Liu Zhiqiang, responsible to resolve technical difficulties and technical annotation during HGU pipeway construction.QC1: 張嚴(yán)光；負(fù)責(zé) HGU 管溝施工過程中的質(zhì)量監(jiān)督、檢查工作。QC1: Zhang Yan guang, responsible for quality supervision and insp

12、 ection during HGU pipeway construction.QC2: 劉煒；負(fù)責(zé) HGU 管溝施工過程中的 W、H 點(diǎn)進(jìn)行復(fù)檢，對(duì)其它 工序進(jìn)行抽檢驗(yàn)證等工作。QC2: Liu Wei, responsible for recheck of point W and H and sampli ng inspection of otherprocess.安全員：李永全；負(fù)責(zé) HGU 管溝施工過程中安全監(jiān)督、檢查和文明施 工治理工作。Safety Officer: Li Yongquan, responsible for safety supervision&inspe ctio

13、n and civilizedconstruction management.測(cè)量員： 2 名；負(fù)責(zé) HGU 管溝施工過程中測(cè)量放線工作。2 Survey Crew: responsible for setting-out during HGU pipeway cons truction.資料員：負(fù)責(zé) HGU 管溝施工過程中圖紙和文件的接收， 編制驗(yàn)收資料 國(guó)標(biāo)和 ETF)等工作。Document Controller: responsible for receiving drawings and documen ts and compiling acceptancedocuments(nat

14、ional standard and ETF docume nt) during HGU pipeway construction.Durding the peak period of structure construction, it is planned to m obilize: 15 woodworkers; 20 reinforcement workers, 20 concrete workers, 2 welders, 15 scaffolders. Workers of special posts shall attend training a nd get work lice

15、nse.3.2機(jī)具預(yù)備3.2 Equipment and Machinery Preparation60、8thof4. Con structi on P la n Arran geme ntHGU管溝打算從2009年11月8日開工，到2010年2月7日完工(除 62、63、69段的上段部格外)，總工期92天，下表為具體部署：The con structi on of HGU pip eway is planned to start on November of 2009 and to be finished on February 7th of 2010(the upper section

16、60th, 62nd, 63rd and 69th Section are not completed during this peri結(jié)構(gòu)施工高峰期混凝土澆筑設(shè)備:Con Crete p laci ng equipments duri ng p eak p eriod of structure con struct ion:序號(hào)No.設(shè)備名稱 Equipment Name型號(hào)Model工作能力Cap ability備注Note1混凝土攪拌運(yùn)輸車Con crete Mixi ng TruckJGC5292GJB8m35臺(tái)5 Sets2混凝土汽車泵Con crete Auto Pump140-1

17、00m3/8.5-12 Mp a/44.5m120m3/h-49m1臺(tái)1 Set3混凝土振動(dòng)棒Con crete VibratorZN5055mm20根20 Sets注:砼澆筑時(shí)主體隊(duì)需儲(chǔ)備雨布，防止雨水對(duì)砼質(zhì)量的阻礙；夜間施工 需增加照明燈具。Note: During concrete placing, the Main Structure Team shall prepare rain cloth to prevent the concrete quality from being affected by the rai n. Lighting equipment shall be pre

18、pared during night construction.施工打算部署od). The construction lasts for 92 days and following is detailed schedule:任務(wù)名稱Project Name工期Con structi onP eriod開始時(shí)刻Start Time完成時(shí)刻Com pl etio n TimeHGU專設(shè)重要冷卻水廊道Esse ntial Cooli ng Water P ipeway(HGU)92 d2009-11-8 8:002010-2-7 17:00HG-66 段65 d2009-11-8 8:002010

19、-1-11 17:00HG-66 Sectio n下段Lower Sect ion50 d2009-11-8 8:002009-12-27 17:00替代、墊層施工Con struct ion of Con stitute andBedd ing Con crete4 d2009-11-8 8:002009-11-11 17:00鋼筋綁扎(包括止水鋼板安裝)Rein forceme nt Fix in g(i ncludi ng in stallati on of waterst op steel plate)5 d2009-12-18 8:002009-12-22 17:00模板支設(shè)Form

20、work In stallati on3 d2009-12-23 8:002009-12-25 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2009-12-26 8:002009-12-26 17:00砼澆筑Con crete P laci ng1 d2009-12-27 8:002009-12-27 17:00上段Upper Sect ion13 d2009-12-30 8:002010-1-11 17:00砼鑿毛Con crete Roughe ning1 d2009-12-30 8:002009-12-30 17:00墻體鋼筋綁扎Wall Rei nfo

21、rceme nt Fixi ng3 d2009-12-31 8:002010-1-2 17:00墻體模板支設(shè)Wall Formwork In stallati on3 d2010-1-3 8:002010-1-5 17:00內(nèi)支撐架搭設(shè)Inner Braci ng Frame In stallati on3 d2010-1-3 8:002010-1-5 17:00頂模鋪設(shè)Top Formwork In stallati on2 d2010-1-6 8:002010-1-7 17:00頂板鋼筋綁扎Top Slab Rei nforceme nt Fixi ng2 d2010-1-8 8:0020

22、10-1-9 17:00隱藏驗(yàn)收Con cealed Work Accepta nee1 d2010-1-10 8:002010-1-10 17:00砼澆筑Con crete P laci ng1 d2010-1-11 8:002010-1-11 17:00HG-64 段HG-64 Section65 d2009-11-8 8:002010-1-11 17:00下段 Lower Section50 d2009-11-8 8:002009-12-27 17:00替代、墊層施工Con struct ion of Con stitute and Bedd ing Con crete4 d2009-1

23、1-8 8:002009-11-11 17:00鋼筋綁扎(包括止水鋼板安裝)Rein forceme nt Fix in g(i ncludi ng in stallati on of waterst op steel plate)5 d2009-12-18 8:002009-12-22 17:001 /模板支設(shè)Formwork In stallati on3 d2009-12-23 8:002009-12-25 17:00隱藏驗(yàn)收1 d2009-12-26 8:002009-12-26 17:00Con cealed Work Acce ptance砼澆筑Con crete P laci n

24、g1 d2009-12-27 8:002009-12-27 17:00上段Upper Sect ion13 d2009-12-30 8:002010-1-11 17:00砼鑿毛Con crete Roughe ning1 d2009-12-30 8:002009-12-30 17:00墻體鋼筋綁扎Wall Rei nforceme nt Fixi ng3 d2009-12-31 8:002010-1-2 17:00墻體模板支設(shè)Wall Formwork In stallati on3 d2010-1-3 8:002010-1-5 17:00內(nèi)支撐架搭設(shè)Inner Braci ng Frame

25、In stallati on3 d2010-1-3 8:002010-1-5 17:00頂模鋪設(shè)Top Formwork In stallati on2 d2010-1-6 8:002010-1-7 17:00頂板鋼筋綁扎Top Slab Rei nforceme nt Fixi ng2 d2010-1-8 8:002010-1-9 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2010-1-10 8:002010-1-10 17:00砼澆筑Con crete P laci ng1 d2010-1-11 8:002010-1-11 17:00HG-65 段HG-

26、65 Sectio n52 d2009-11-8 8:002009-12-29 17:00下段Lower Sect ion39 d2009-11-8 8:002009-12-16 17:00替代、墊層施工Con struct ion of Con stitute andBedd ing Con crete4 d2009-11-8 8:002009-11-11 17:00鋼筋綁扎(包括止水鋼板安裝)Rein forceme nt Fix in g(i ncludi ng in stallati on of waterst op steel plate)5 d2009-12-7 8:002009-

27、12-11 17:00模板支設(shè)Formwork In stallati on3 d2009-12-12 8:002009-12-14 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2009-12-15 8:002009-12-15 17:00砼澆筑Con crete P laci ng1 d2009-12-16 8:002009-12-16 17:00上段Upper Sect ion13 d2009-12-17 8:002009-12-29 17:00砼鑿毛Con crete Roughe ning1 d2009-12-17 8:002009-12-17 17:

28、00墻體鋼筋綁扎Wall Rei nforceme nt Fixi ng3 d2009-12-18 8:002009-12-20 17:00墻體模板支設(shè)Wall Formwork In stallati on3 d2009-12-21 8:002009-12-23 17:00內(nèi)支撐架搭設(shè)Inner Braci ng Frame In stallati on3 d2009-12-21 8:002009-12-23 17:00頂模鋪設(shè)Top Formwork In stallati on2 d2009-12-24 8:002009-12-25 17:00頂板鋼筋綁扎Top Slab Rei nfo

29、rceme nt Fixi ng2 d2009-12-26 8:002009-12-27 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2009-12-28 8:002009-12-28 17:00砼澆筑Con crete P laci ng1 d2009-12-29 8:002009-12-29 17:00HG-67 段HG-67 Sectio n30 d2009-11-30 8:002009-12-29 17:00下段 Lower Section17 d2009-11-30 8:002009-12-16 17:00替代、墊層施工Con struct ion

30、of Con stitute andBedd ing Con crete3 d2009-11-30 8:002009-12-2 17:00鋼筋綁扎(包括止水鋼板安裝)Rein forceme nt Fix in g(i ncludi ng in stallati on of waterst op steel plate)5 d2009-12-7 8:002009-12-11 17:00模板支設(shè)Formwork In stallati on3 d2009-12-12 8:002009-12-14 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2009-12-15

31、8:002009-12-15 17:00砼澆筑Con crete P laci ng1 d2009-12-16 8:002009-12-16 17:00上段 Upper Section13 d2009-12-17 8:002009-12-29 17:00砼鑿毛Con crete Roughe ning1 d2009-12-17 8:002009-12-17 17:00墻體鋼筋綁扎Wall Rei nforceme nt Fixi ng3 d2009-12-18 8:002009-12-20 17:00墻體模板支設(shè)Wall Formwork In stallati on3 d2009-12-21

32、 8:002009-12-23 17:00內(nèi)支撐架搭設(shè)Inner Braci ng Frame In stallati on3 d2009-12-21 8:002009-12-23 17:00頂模鋪設(shè)Top Formwork In stallati on2 d2009-12-24 8:002009-12-25 17:00頂板鋼筋綁扎Top Slab Rei nforceme nt Fixi ng2 d2009-12-26 8:002009-12-27 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2009-12-28 8:002009-12-28 17:00砼澆

33、筑Con crete Placing1 d2009-12-29 8:002009-12-29 17:00HG-68 段HG-68 Sectio n51 d2009-11-30 8:002010-1-19 17:00下段38 d2009-11-30 8:002010-1-6 17:00Lower Sect ion替代、墊層施工Con struct ion of Con stitute andBedd ing Con crete3 d2009-11-30 8:002009-12-2 17:00鋼筋綁扎(包括止水鋼板安裝)Rein forceme nt Fix in g(i ncludi ng in

34、 stallati on of waterst op steel plate)5 d2009-12-28 8:002010-1-1 17:00模板支設(shè)Formwork In stallati on3 d2010-1-2 8:002010-1-4 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2010-1-5 8:002010-1-5 17:00砼澆筑Con crete P laci ng1 d2010-1-6 8:002010-1-6 17:00上段Upper Sect ion13 d2010-1-7 8:002010-1-19 17:00砼鑿毛Con cret

35、e Roughe ning1 d2010-1-7 8:002010-1-7 17:00墻體鋼筋綁扎Wall Rei nforceme nt Fixi ng3 d2010-1-8 8:002010-1-10 17:00墻體模板支設(shè)Wall Formwork In stallati on3 d2010-1-11 8:002010-1-13 17:00內(nèi)支撐架搭設(shè)Inner Braci ng Frame In stallati on3 d2010-1-11 8:002010-1-13 17:00頂模鋪設(shè)Top Formwork In stallati on2 d2010-1-14 8:002010-

36、1-15 17:00頂板鋼筋綁扎Top Slab Rei nforceme nt Fixi ng2 d2010-1-16 8:002010-1-17 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2010-1-18 8:002010-1-18 17:00砼澆筑Con crete P laci ng1 d2010-1-19 8:002010-1-19 17:00HG-61 段HG-61 Section59 d2009-11-22 8:002010-1-19 17:00下段Lower Sect ion46 d2009-11-22 8:002010-1-6 17:00

37、替代、墊層施工Con struct ion of Con stitute and Bedd ing Con crete3 d2009-11-22 8:002009-11-24 17:00鋼筋綁扎(包括止水鋼板安裝)Rein forceme nt Fix in g(i ncludi ng in stallati on of waterst op steel plate)5 d2009-12-28 8:002010-1-1 17:00模板支設(shè)Formwork In stallati on3 d2010-1-2 8:002010-1-4 17:00隱藏驗(yàn)收Con cealed Work Acce p

38、tance1 d2010-1-5 8:002010-1-5 17:00砼澆筑Con Crete P laci ng1 d2010-1-6 8:002010-1-6 17:00上段Upper Sect ion13 d2010-1-7 8:002010-1-19 17:00砼鑿毛Con Crete Roughe ning1 d2010-1-7 8:002010-1-7 17:00墻體鋼筋綁扎Wall Rei nforceme nt Fixi ng3 d2010-1-8 8:002010-1-10 17:00墻體模板支設(shè)Wall Formwork In stallati on3 d2010-1-11

39、 8:002010-1-13 17:00內(nèi)支撐架搭設(shè)Inner Braci ng Frame In stallati on3 d2010-1-11 8:002010-1-13 17:00頂模鋪設(shè)Top Formwork In stallati on2 d2010-1-14 8:002010-1-15 17:00頂板鋼筋綁扎Top Slab Rei nforceme nt Fixi ng2 d2010-1-16 8:002010-1-17 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2010-1-18 8:002010-1-18 17:00砼澆筑Con cret

40、e P laci ng1 d2010-1-19 8:002010-1-19 17:00HG-62、HG-60 段HG-62 and HG-60 Section25 d2010-1-3 8:002010-1-27 17:00下段 Lower Section12 d2010-1-3 8:002010-1-14 17:00替代、墊層施工Con struct ion of Con stitute andBedd ing Con crete4 d2010-1-3 8:002010-1-6 17:00鋼筋綁扎(包括止水鋼板安裝)Rein forceme nt Fix in g(i ncludi ng in

41、 stallati on of waterst op steel p late)3 d2010-1-7 8:002010-1-9 17:00模板支設(shè)Formwork In stallati on3 d2010-1-10 8:002010-1-12 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2010-1-13 8:002010-1-13 17:00砼澆筑Con crete P laci ng1 d2010-1-14 8:002010-1-14 17:00HG-69、HG-63 段HG-69 and HG-63 Section28 d2010-1-11 8:00

42、2010-2-7 17:00下段Lower Sect ion11 d2010-1-11 8:002010-1-21 17:00替代、墊層施工Con struct ion of Con stitute andBedd ing Con crete4 d2010-1-11 8:002010-1-14 17:00鋼筋綁扎（包括止水鋼板安裝）Rein forceme nt Fix in g（i ncludi ng3 d2010-1-15 8:002010-1-17 17:00in stallati on of waterst op steel p late)模板支設(shè)Formwork In stallat

43、i on2 d2010-1-18 8:002010-1-19 17:00隱藏驗(yàn)收Con cealed Work Acce ptance1 d2010-1-20 8:002010-1-20 17:00砼澆筑Con crete P laci ng1 d2010-1-21 8:002010-1-21 17:00施工縫劃分5. Division of Construction Joints按照施工圖紙，HGU管溝驗(yàn)槽后應(yīng)趕忙澆筑墊層，逐段施工。主體隊(duì) 需按照工程部編制的進(jìn)度打算完成每個(gè)操縱點(diǎn)的施工。每段在底板頂面以 上500mm的位置設(shè)一水平施工縫，每段砼分為上下兩次澆筑。每段施工工序如下：Follo

44、wing is construction process of every section:清基-T測(cè)量放線墊層施工搭設(shè)外架-T鋼筋綁扎、安裝止水膠 帶、止水鋼板-f支設(shè)第一次砼模板-f澆筑第一次砼-f砼養(yǎng)護(hù)-f鋼筋綁 扎、安裝止水膠帶、預(yù)埋管-f搭設(shè)內(nèi)模板支撐架-f支設(shè)第二次砼模板- f澆筑第二次砼-f砼養(yǎng)護(hù)-f 土方回填Clea n of foun dati onf sett in g-ouf con structi on of beddi ng con crete i nstallation of external scaffoldf reinforcement fixing, inst

45、allation of rubber and steel plate waterstopf installation of first stage concrete formwork f placing of first stage concreteconcrete curingf reinforcement fixing, inst allatio n of rubber waterst op and embeddi ng of pipesf in stallati on of in ter n al formwork bracing framef installation of secon

46、d stage concrete formwor kf placing of second stage concreteconcrete curingf backfilling墊層及替代砼的澆筑6. Placing of Bedding Concrete and Constitute Concrete6.1管溝墊層混凝土可按照現(xiàn)場(chǎng)具體情形分段澆筑，測(cè)量隊(duì)?wèi)?yīng)依據(jù)設(shè)計(jì)圖紙每段找坡要求放線，管溝結(jié)構(gòu)砼不再找坡。40cm。ano ther.6.4混凝土振搗參見砼振搗工作程序。6.4 Refer to Work Procedure of Concrete Vibration for vibration

47、method.6.5墊層及替代混凝土澆筑后應(yīng)進(jìn)行澆水養(yǎng)護(hù)。After Placing, be sprayed with water 腳手架工程6.5the beddi ng con crete and con stitute con crete shall for curing.7、Scaffold Work7.1腳手架的搭設(shè)7.1 Installation ofScaffold6.1 The bedd ing con crete of pip eway shall be p laced by secti on acco rding to the site con diti on. The s

48、urvey team shall be sett ing out accord in g to the requirement of making-slop in the design drawing and there s n o n eed to make slope in the pip eway structural con crete.6.2管溝墊層混凝土采納C25砼，關(guān)于超挖部位需采納替代混凝土澆 筑，替代混凝土較厚的部位需分層澆筑，分層厚度為6.2 The C25 con crete shall be app lied to the pip eway bedd ing concr

49、 ete. The part which is over-excavated shall placed with constitute concret e. If the constitute concrete is thick, it shall be placed layer by layer andeach layer is 40cm in thickness.6.3墊層及替代混凝土按照現(xiàn)場(chǎng)情形可采納泵車或地泵由一端向另一 端逐步推進(jìn)澆筑。6.3 Accord ing to the site con diti on, the beddi ng and con stitute concre

50、 te shall be placed gradually by pump truck or floor type pump from one end to7.1.1 HGU管溝外雙排架采納扣件式鋼管腳手架，48X 3.5鋼管，立桿橫距0.9m，縱距1.5m,掃地桿距根部為300mm,其它步距為1800mm, 操作層平鋪4塊200寬木跳板，內(nèi)立桿離廊道邊距離 400mm。7.1.1 Outside the pip eway, the double-row scaffold is coup ler-style an d made of 48x3.5 steeltubes. The transve

51、rsal spacing of vertical poles is 0.9m, the Iongitudi nal spacing is 1.5m. Thedistanee between bottom pole and floor shall be 300mm and spacing of other horizontal polesshall be 1800mm. The working platform shall be covered with 4 wooden putlogs which is 200in width. The distanee between internal ve

52、rtical pole and trench edgeshall be 400mm.7.1.2 HGU管溝是分段施工，每段廊道施工時(shí)在端部位置搭設(shè)施工通 道，用于施工人員及小型機(jī)具、材料的運(yùn)送。7.1.2 Since the HGU pip eway is con structed secti on by secti on, const ruction passage shall be set at the top for construction crew, small equip ment&machinery and transportation of materials during t

53、he construction of each secti on.7.1.3按照側(cè)壁高度，外架在頂端和其他相應(yīng)位置應(yīng)挑出水平桿用于固 定側(cè)壁豎筋。7.1.3 According to the height of the side wall, horizontal poles of ex ternal scaffold shall be used to fix the side wall vertical rebars at the topand other corres ponding p ositi ons.7.1.4立桿的接長(zhǎng)均采納對(duì)接扣件，立桿的對(duì)接扣件應(yīng)交錯(cuò)布置，兩根 相鄰立桿的接頭不

54、應(yīng)當(dāng)設(shè)置在同步內(nèi)。7.1.4 Couplers shall be app lied to connect up right pip es. Coup lers lay out of different vertical poles shall be staggered. The couplers of two nei ghbori ng up right po les shall not be arra nged in the same horize ntal span.7.1.5同步內(nèi)隔一根立桿的兩個(gè)相隔接頭在高度方向錯(cuò)開的距不宜小于500 mm,各接頭中心至主節(jié)點(diǎn)的距離不宜大于步距的1/3

55、，嚴(yán)禁采納搭接。7.1.5 The distance between the two aparted couplers of the vertical p ole and the next 2 neighboring poles shall be longer than 500mm. The di stance between the center of each joint and nearest major joint shall not be longer than 1/3 of the drawing pace. Overlapping is forbidden.7.1.6腳手架搭設(shè)規(guī)

56、范規(guī)定， 高度在 24米以下的腳手架， 必須在外立面 的兩端各設(shè)置一道剪刀撐，并應(yīng)由底部至頂端連續(xù)設(shè)置，兩組間隔距離不 得大于 15米，每道剪刀撐寬度不應(yīng)小于 4 跨，斜桿與地面的傾角宜在 45 60之間。7.1.6 According to the scaffold installation regulation, for the scaffold which is lower than 24m, a strutting shall be set at both ends of the fa ? ade respectively. The strutting shall be set con

57、tinuously from bottom to top and the distance between each group pf struttings shall not be longe r than 15m. The width of each strutting shall not be less than 4 spans. T he angle between oblique pole and the floor shall between 45 to 60.7.1.7剪刀撐的接長(zhǎng)宜采納搭接，搭接長(zhǎng)度不應(yīng)小于1m,應(yīng)采納許多于 2 個(gè)旋轉(zhuǎn)扣件固定，端部扣件蓋板的邊緣至桿端不應(yīng)小于

58、 100 mm。7.1.7 Overlap connection shall be applied in the extension of strutting and the overlap length shall be longer than or equal to 1m. At least tw o rotating couplers shall be apllied. The distance between cover of the to ppest coupler to the top of of the pole shall not be shorter than 100mm.7

59、.1.8腳手架搭設(shè)規(guī)范規(guī)定，當(dāng)架高w 20m時(shí)，不小于40m2 個(gè)連墻 點(diǎn)，且連墻點(diǎn)的豎向間距應(yīng)W 6m。7.1.8 According to the scaffold installation regulation, when the scaff old is not higher than 20m, at least one connection point to the wall shal l be arranged every 40 m2 and the spacing between the vertical points to the wall shall not be longe

60、r than 6m.7.2 腳手架的使用7.2 Utilization of Scaffold7.2.1腳手架應(yīng)在安全部門驗(yàn)收合格后才可投入使用或連續(xù)使用。7.2.1 The scaffold only shall be put into use or reuse after passes th e quality acceptance of safety department.7.2.2作業(yè)人員在架上的最大作業(yè)高度應(yīng)以可進(jìn)行正常操作為度，禁止 在架板上加墊器物或單塊腳手板以增加操作高度。7.2.2 The maximum operation height for the operators