Pipeline work must be organized

The end-to-end welding operation of the Danyang Bridge re-routing section of the West-to-East Gas Pipeline Project in charge of the construction of the First Pipeline Company marked the completion of the first domestic large-caliber, high-pressure long-distance pipeline with pressure plugging connection head operation. As the expansion of the Shanghai-Nanjing Expressway will have a certain impact on the safe operation of the West-East Gas Pipeline, in order to ensure the safe operation of the Gas Pipeline, the West-East Gas Pipeline Branch Company decided to restructure the crossing section of the Danyang Bridge. In order to ensure the gas consumption of downstream users, this construction adopts the non-stop transportation plugging method to implement the line change and joint operation. The total length of the modified line section is 1440 meters. Two main pipelines with a diameter of 1016 mm and two bypass pipelines with a diameter of 323.9 mm need to be laid again. According to the arrangement of the West-East Gas Pipeline Branch Company, Pipeline No. 1 is responsible for the installation and joint operations of the pipeline.

Under the circumstances of tight construction period and heavy tasks, all the employees of the four pipelines in the first company of the pipeline overcame the many adverse conditions of high temperature, rain and low foundation bearing capacity in the Jiangnan water network area, so that the installation and pressure test of the main line and bypass pipeline were in accordance with the west The overall plan of the Gas-to-East Pipeline Branch Company ended as scheduled on October 26. After that, they immediately invested in plugging cooperation and joint preparations. The preparation of the material demand plan of each unit must be based on the fixed asset investment plan, major repair plan and usual maintenance requirements issued by the pipeline branch company, and the plan must be followed by procurement. At the same time, supervise and inspect the implementation of the material procurement plan of each unit, and collect, sort, summarize, and review the plans reported by each unit in a timely manner, and promptly approve the plan.

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