施工方案

施工方案 Construction methoad 1 明、叶本管下料一律使用钢旬切断，严禁使用管制刀, 电气埋设备。 切断后管口用国鲁光滑， 无所现象，障配管洁最近的线路数设，埋入墙内线管与培面兆距不小于 1Smm，钢管 90 度 亲的尊曲半笃暗配不小于管外径 10 售，刘曲肩度小于管外径 10%，明配管数设订曲半径大于 管外径 6 倍，水平或垂直数设的钢管 2m 内时侍鲁不大于 3mm，并按规范要求加接线使。 The pipe materials used for burying into the wall and installation outside the wall shall be cut only by an hacksawy Gas cutting equipment、Pipe cutter and EDMCutting are prohibition. The pipe end shall be polished by a round file to avoid spur Phenomenon. The pipe used for burying into the walls shall be placed accorading to the shortest distance Principle，nmoreover，the net length from the steel pipe buried into the walls to the wall surface shall be not less than 15mm，and that the 90。degree bending radius skeel shall be not less than 10 times the length of the Pipe diametery and that the bending flat shall be less than 10% of the pipe diameter. The radius of the pipe installed outside the walls shall be not less than 6 times the length of the pipe diamerer，the horizontality and Verticality error of the installed pipe shall be not more than 0.15%，the junction box shall be installed in accordance with the criterion。 2 线管进入箱、人均采用一字索垂直进箱、食，管外悟与顶权上边缘的净距大于 60mm,避免 今后打膨胀则栓时损坏。数设好的管口用塞头堵牢，防止砂浆或异物进入，焊接钢管俐计时采 用液压认管器。 The pipes shall be vertically bent into che box，and that the net distance between the tube wall and the boxes” roof shall be not less than 60mm t