During construction period, the Danjiangkou Dam still plays the role of flood control.Therefore, it is important to balance the dam heightening construction and flood control realization.

• 丹江口大坝初期工程在大坝加高施工期间仍然承担着汉江中下游防洪任务，妥善解决好丹江口大坝加高工程建设的顺利进行与初期工程的防汛度讯、正常运行管理关系，意义重大。