一些施工单位需在甲方水管上接管用水,如不影响甲方正常用水接支管比较困难,可采取以下方法解决。先将要接的管子头丝扣套好,准备一根螺纹钢尖凿子,直径应根据需要确定,然后用一把手提式电动砂轮机在主管壁上打磨,边磨边观察,待留1～2毫米厚停止。也可用深度游标尺量。磨好后再将套好丝的管子头用电焊焊好,焊后将尖凿子放入管中, Some construction companies need to take over water from Party A’s water pipes. If it is not difficult for Party A to use normal water supply and branch management, the following methods can be adopted. The first to be connected to the pipe head screw set, prepare a threaded steel chisel, the diameter should be determined according to need, and then use a portable electric grinder in the main wall grinding, while grinding observation, to stay 1-2 mm Thick stop. Deep vernier scales can also be used. After the grinding is completed, the tube head of the wire is welded by electric welding, and the sharp chisel is placed in the tube after welding.