钢网架架设安装系高危施工作业，对施工质量要求高。越南海防一期燃煤热电厂储煤棚屋面钢网架采用高空拼装法安装，从网架安装支撑平台搭设、网架安装工艺、质量关键点防控等方面对网架施工进行了总结，可为相关工程提供参考。

The installation of steel frame is a kind of highly dangerous work, requiring high-quality construction. In the first stage project of Haiphong coal-fired power plant of Vietnamese, the steel frame on the roof of the coal bunker is installed by the assembly technology at high altitude. In this paper, the establishment of supporting platform, installation technique of steel frame and key points prevention of quality are summarized, providing references for similar projects.