This project is the section from Dongzhaocun Bridge to Majuqiao in the Beijing Sixth Ring Road Natural Gas Project (Phase I) (Luoqiying Majuqiao), with a diameter of DN1000 and a design pressure of 4.0Mpa. It is a high-pressure A natural gas pipeline. The total length of the pipeline is 12234 meters, and the DN500 branch pipeline is 104 meters long.