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秦皇岛市安装公司第二工程队,在城市上水改道工程施工中,采用“管道浮沉就位”的新方法,克服了机械吊装设备不足的困难,提前四天,完成了300米长大型过河管道的安装任务,并节约了成本一万元。“管道浮沉就位”的作法是:在管沟的二步台上,将长3米、直径1米的钢管,每三节为一组,进行组焊,
The second project team of the installation company of Qinhuangdao City adopted a new method of “removal of pipelines in place” in the construction of the city’s water diversion project, which overcomes the difficulties in the lack of mechanical lifting equipment. It completed a 300-meter-long large-scale project four days in advance. The task of installing pipelines across the river and saving costs of 10,000 yuan. The practice of “sinking the pipeline in place” is: In the two-step platform of the trench, three-meter-long and 1-meter-diameter steel pipes will be welded in groups of three.