由海委承建的官厅水库大坝加高改建工程,今年7月份圆满竣工,8月下旬,经国家验收。被评为“工期短、质量好、投资省、消耗低、效益高“的工程,达到了国家优质工程的五项标准。官厅水是建国初期,在永定河上游兴建的一座大型水库,也是一座以防洪为主,兼顾供水、发电、灌溉的综合利用水利枢纽工程。水库运行30多年后,由于泥沙淤积严 The Guanting Reservoir dam reconstruction project, constructed by the CMC, was successfully completed in July this year. In late August, the project was checked and accepted by the state. Was rated as “short construction period, good quality, investment, low consumption, high efficiency,” the project has reached the national five projects of high quality standards. Guanting Water is a large-scale reservoir built in the upper reaches of the Yongding River in the early years of the founding of the People’s Republic of China. It is also a comprehensive utilization of water conservancy hub projects that mainly take flood control, power generation and irrigation. After more than 30 years of reservoir operation, due to siltation of sediment