This paper introduces in detail the construction technologies for the steel-structured platform bridge of Jiugongli Station on the southern ex-tension station of light rail line 3 in Chongqing, including establishment, coating, hoisting and so on. It offers new modes and references for the estab-lishment and installation of platform bridge at home and abroad.%该文详细介绍了重庆轻轨三号线南延伸段九公里车站左侧天桥出入口通道过街钢结构天桥的制作、涂装、吊装等施工技术，为国内外的轨道人行天桥制作安装提供了新的模式和参考。
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