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上海黄浦江引水工程长桥和陇西2条项管及长桥泵站士建工程为上海环境保护项目饮用水质保护第1子项目工程中的一部分。该项目主要包括长桥、陇西2处的沉井、顶管及有关配套工程。其中长桥支线项管内径为3500mm、钢管壁厚34mm，顶进长度1732．72m；陇西支线顶管内径为2200mm，钢
Shanghai Huangpu River Diversion Project Changqiao and Longxi 2 project pipelines and Changqiao pump station personnel construction project are part of the first subproject of the Shanghai Environmental Protection Project for the protection of drinking water quality. The project mainly includes caisson, jacking pipe and related ancillary works in Changqiao and Longxi. Among them, the length of the entry pipe of the Changqiao branch is 3500mm, the wall thickness of the steel pipe is 34mm, and the jacking length is 1723.72m; the inner diameter of the top pipe of the branch line is 2200mm.