合理布置二期施工道路

文章阐述了拔贡水电站改扩建工程二期施工道路优化方案，合理布置，结合工程实际情况，经过验算，增加一个临时交通桥，顺利完成2012年洪水期的施工任务，并为顺利完成了二期施工导流围堰和二期基坑开挖创造了良好前提条件，取得较好的经济效率，节约工程投资和施工成本。

Reasonable Layout of Phase-II Construction Roads

The paper makes an introduction to the optimization scheme for the phase-II construction road of the ex- tension project of Bagong hydropower station. The construction in flood period of 2012 is completed successfully by combining the actual situations of the project with reasonable arrangement, precious calculation and an additional temporary traffic bridge, which not only creates favorable preconditions for smooth completion of the phase-II con- struction diversion cofferdam and the phase-II pit excavation, but also obtains good economic benefits and saves the project investment and construction cost.