施工方案

施工方案 Constuction melhod 1二、配管下料一律使用钢句切断,严禁使用管央刀,电气焊设备。 切断后管口用回钴光滑， 无毛刺现象，嘲本管治最近的线路数设，埋入墙内线管与二面当下不小于 5mm， 钢管90” 度 坷的检曲半径隧配不小于管外径 10 售，硒曲记度小于管外径 10站，明配管数设栖册半径大于 管外径 6 舍，水平或和直数设的钢管 2m 内时钳生不大于 3nm，并按规范要求加接线个 The pipe materials used for burying into the wall and installation outside the wall shall be cut only by an hacksaw Gas cutting equipment 、Bipe cutterandsDMCutting areprohibition The pipe end shall be polished by a round file to avoid spur Phenomenon .The pipe used for burying into the walls sha