Abstract: The second round periodical inspection has now nearly finished for hydropower stations under electrical system. This article based on summarizing the inspection experience and results ago, paying attention to the problems found in inspection, go on doing well in the third round periodical inspection. In order improve the quality of inspection and find perils influencing on dam safety operation truly, the author has come up with considering on it.

摘要： 目前电力系统水电站第二轮大坝安全定检期检查工作已接近尾声，本文意在总结以往定检工作成果和经验，重视定检工作中发现的问题，继续做好第三轮定检工作。为进一步提高定检工作质量，准确地发现影响大坝安全运行的潜在问题，正确评价大坝安全现状，提出几点思考。