en.Wedoany.com Reported - The fishway tunnel section of the Dadu River Jinchuan Hydropower Station, constructed by China Energy Engineering Group Gezhouba No.1 Engineering Co., Ltd., recently successfully passed water, marking the official commissioning of the entire fishway. Located in Jinchuan County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province, the fishway is a nature-mimicking fish passage combining a "natural tributary channel + artificial tunnel." The tunnel section is approximately 1 kilometer long, with an overall climbing height of 5.45 meters. The Jinchuan Hydropower Station fishway is equipped with a fish passage effectiveness monitoring system, including underwater high-definition cameras and water quality monitoring equipment, while the inlet and outlet are fitted with sonar counting systems to enable dynamic data monitoring.

The Jinchuan Hydropower Station project is located on the upper reaches of the Dadu River. The reservoir has a normal storage level of 2,253 meters, a storage capacity of 488 million cubic meters, and an installed capacity of 860 megawatts. When operated jointly with the Shuangjiangkou Hydropower Station, the average annual power generation reaches 3.486 billion kilowatt-hours. During construction, the project department overcame difficulties such as delayed site handover and completed key milestones including the civil works of the fishway tunnel, installation and commissioning of gates and hoists, installation of tunnel lighting and monitoring facilities, and riverbank protection and regulation at the mouth of Xinzhagou, ensuring the project was commissioned on schedule. Next, the project department will advance the finishing works to ensure the smooth completion of the project.

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