Abstract: The paper introduces the operation and existing problems of original dam monitoring system of Gaosha hydropower station. Based on this, the design and implementation scheme of monitoring system renovation and construction is proposed. By on- site inspection and testing, the renovation implementation and operation of automatic monitoring system are evaluated comprehensively. The results show that the expected effect is achieved, and the experience of design and implementation is summarized, for reference.

Key words: monitoring system, monitoring automation, renovation, on-site testing, comprehensive evaluation

摘要： 介绍了高砂水电站原大坝监测系统的运行情况及存在问题，据此提出监测系统更新改造和自动化系统建设的设计和实施方案，并通过现场检查、测试，综合评价监测自动化系统的实施质量和运行情况，结果显示其达到了预期效果，最后总结设计、实施等过程中的经验和体会，供其他工程借鉴。

关键词: 监测系统, 监测自动化, 更新改造, 现场测试, 综合评价