城市轨交运营线路大修更新改造项目是一项复杂、系统的工程。详细地介绍了该类项目招标管理过程中的难题,通过对其特点的分析和归纳,提出了有效的管控方法,以确保在轨交维护保障有关规章的约束下,顺利实现项目进度、施工质量、费用控制等目标。 Urban rail transit operations overhaul renovation project is a complex, systematic project. In this paper, the difficulties in bidding management of this kind of project are introduced in detail. By analyzing and summarizing their characteristics, an effective control method is put forward to ensure the smooth progress of project schedule, construction quality under the constraint of the relevant regulations of on-orbit maintenance and protection , Cost control and other goals.